JP3141338U - Distribution equipment for lighting equipment - Google Patents

Abstract

Provided is a lighting fixture power distribution device capable of easily and reliably mounting a power cord and a lighting fixture power distribution device.
A joint box comprises a power distribution cord for connecting a joint box A and a lighting fixture mounting socket B, and the joint box comprises a power distribution table 1 and a power distribution table cover 2, and a locking piece 17 of the cover is a power distribution table. Fitted to the support section 19 provided on the distribution board, and mounted on the distribution board, the distribution board comprises two terminal portions and two rotation suppression pieces for suppressing rotation of the partition wall portion and the sandwiching plate between the two terminal portions, Each of the terminal portions includes a terminal plate, a clamping plate, and a screw member, and the power distribution stand further includes the core portion of the power cord between the partition wall portion and the terminal portion without causing the screw member to be detached from the terminal plate. An insertion space for insertion between the terminal plate and the clamping plate is provided, and a thin upper portion and a guide portion are provided in the partition wall portion to form the insertion space.
[Selection] Figure 1

Description

  In the present invention, without disconnecting the power cord of the power cable, the power cord is electrically connected from the middle of the power cord by the joint box, and one lighting fixture mounting socket connected to the joint box by the power cord is provided. The present invention relates to a lighting fixture power distribution device that can be attached to a plurality of power cables.

In agricultural houses, factories, construction sites, etc., when it is necessary to illuminate a wide range with a large number of lighting fixtures, a large number of joint boxes are attached to a single power cable, and the power cord and power cord of the power cable are energized by the joint box. The cords were electrically connected in a branch connection, and a lighting fixture mounting socket for connecting a lighting device such as a light bulb to the current-carrying cord connected to the branch was connected.
However, when attaching a large number of joint boxes to a single power cable without cutting the power cord, the coating of the power cable's power cord is partially peeled off to expose the core wire, and the exposed core wire is joined to the joint cable. It was necessary to attach boxes one after another and a socket for attaching lighting fixtures, which required a lot of work for the installation work.

  Therefore, conventionally, a power distribution device (see Patent Document 1) has been proposed in which a large number of lighting fixtures can be attached to the power cord without cutting the power cord of the power cable.

Japanese Patent Publication No. 63-38926.

  In the power distribution device of Patent Document 1, the joint box is composed of a base and a cover and the inside is hollow and has power cord insertion openings at both ends, and the interior is divided into two chambers by a partition wall protruding from the top surface of the base. A terminal block is formed in each chamber, and a terminal plate and a washer that sandwich the power cord core wire are attached to the terminal block with terminal screws, and the lower end of the hanging tool that passes through the approximate center of the cover is a partition wall. It is a joint box that joins a base and a cover by screwing into a screw hole provided on the upper surface of the part, and there is a disclosure that electrical connection can be made to the energizing cord without disconnecting the power cord and connection to the power cord can be made .

However, when the core of the power cord is sandwiched between the terminal board and the washer, the power cord cannot be inserted between the terminal block and the partition wall, so the opposite side of the terminal block without the partition wall It must be inserted around the side. And, in order to attach the power cord to the outside of the terminal block without detouring, it is impossible to insert it between the terminal block and the partition wall, so remove the terminal screw and washer from the terminal plate and place it on the terminal plate. The power cord must be mounted, the washer attached to the terminal board again with the terminal screw, the terminal screw must be tightened, and the power cord core wire must be clamped between the terminal board and the washer. Also, when connecting the core wire by detouring from the outside of the terminal block, place the power cord on the terminal board, attach the washer to the terminal board again with the terminal screw, and when the terminal screw is tightened, the washer rotates with the terminal screw. There is a problem that the core wire cannot be securely attached to the terminal block when the washer is displaced with respect to the terminal plate when tightened.
Furthermore, the base and the cover must be coupled by screwing the male screw of the suspension provided on the base and the cover into the screw hole provided on the partition wall provided on the base.
Therefore, there is a problem that it takes time to attach a large number of power distribution devices to the power cord, and care must be taken to ensure that the power cord is securely connected to the terminal block.

  The purpose of the present invention was devised in view of the above problems, and when installing a large number of lighting fixtures on the power cord of the power cable, a partition wall provided on the power distribution stand of the lighting fixture A power cord is inserted on a substantially straight line between the two terminal portions provided on the power distribution stand so as to be connectable to the terminal portion, and the core portion of the power cord is connected to the terminal plate of the terminal portion at the time of insertion and connection work. When the clamping plate is tightened with a screw member between the terminal plate and the clamping plate, the clamping plate is prevented from rotating and the clamping plate is not displaced from the terminal plate. The core part of the power cord can be securely fixed to the board, and the power distribution cover can be attached to the power distribution board with a single touch. And sure And its object is to provide a luminaire power distribution device which can be attached to.

(1) A lighting fixture power distribution tool comprising: a joint box electrically connected to a power cable having two power cords; and a lighting fixture mounting socket connected to the joint box by two energizing cords. There,
The joint box includes a power distribution table and a power distribution table cover having a power cable inlet portion and a power cable outlet portion provided at substantially opposite positions,
The power distribution stand includes two terminal portions, and a partition wall portion for preventing a short circuit that extends from the power cable inlet portion side to the power cable outlet portion side and is positioned between the two terminal portions,
Each of the terminal portions includes a terminal plate fixed to the distribution board and electrically connected to the energization cord, and a partially exposed core wire portion of the power cord between the terminal plate. A clamping plate, and a screw member that passes through the clamping plate and is screwed with the terminal plate,
Further, the power distribution stand is configured to insert the core portion of the power cord between the terminal plate and the clamping plate from between the partition portion and the terminal portion without causing the screw member to be detached from the terminal plate. An insertion space is provided.

(2) The partition wall extends between the central portion of the power cable inlet portion and the central portion of the power cable outlet portion in a substantially straight line with a predetermined thickness. The power distribution tool for lighting equipment according to (1), wherein the cord is held in a low-curved state.
(3) The partition wall is provided with a thin upper portion for forming the insertion space, and a guide portion for guiding the core wire portion of the power cord onto the terminal plate. The electric power distribution tool for lighting equipment according to (1) or (2).
(4) The partition wall is provided with a thin upper portion for forming the insertion space, and a guide portion for guiding the core wire portion of the power cord onto the terminal plate. The lighting device power distribution tool according to (1) or (2), wherein the guide portion is curved or inclined toward the terminal plate from a lower portion of the thin upper portion.

(5) The distribution board includes a predetermined height provided near the terminal portions and at positions facing the partition walls via the terminal portions, and the core portion of the power cord is connected to the terminal plate. The power distribution tool for a luminaire according to any one of (1) to (4), further including two rotation suppression pieces that suppress rotation of the clamping plate during insertion work between the sandwiching plates.
(6) The height of the rotation suppression piece is the same as or slightly higher than the position of the clamping plate when the clamping plate is separated from the terminal plate by an interval where the core portion of the power cord smoothly enters. 5) A lighting appliance power distribution tool.

(7) The power distribution table cover includes a locking piece that projects downward from a lower end portion of the power distribution table cover and has a flange portion at an end portion, and the power distribution table covers the power distribution table cover to the power distribution table. A guide part that guides and spreads the locking piece of the switchboard cover when fitted, and a support part that fits with the lock piece that has passed through the guide part, and the switchboard cover is connected to the switchboard cover. The power distribution tool for a lighting device according to any one of (1) to (6), wherein the power distribution device is attached to the power distribution table by fitting between a stop piece and a support portion of the power distribution table.
(8) The power distribution table cover according to any one of (1) to (7), wherein the power distribution table cover includes a hanging portion for hanging the power distribution device for the light fixture that protrudes upward from the center portion of the upper surface. Ingredients.
(9) The lighting fixture mounting socket includes a housing that houses the ends of the two energization cords connected to the terminal boards of the power distribution stand, and is housed in the housing and accommodates the two energizations. The power distribution tool for a lighting fixture according to any one of (1) to (8), comprising a socket portion electrically connected to the cord.

(10) A lighting fixture power distribution tool comprising: a joint box electrically connected to a power cable having two power cords; and a lighting fixture mounting socket connected to the joint box by two energizing cords. There,
The joint box includes a power distribution table and a power distribution table cover having a power cable inlet portion and a power cable outlet portion provided at substantially opposite positions,
The power distribution stand includes two terminal portions, and a partition wall portion for preventing a short circuit that extends from the power cable inlet portion side to the power cable outlet portion side and is positioned between the two terminal portions,
Each of the terminal portions includes a terminal plate fixed to the distribution board and electrically connected to the energization cord, and a partially exposed core wire portion of the power cord between the terminal plate. A clamping plate, and a screw member that passes through the clamping plate and is screwed with the terminal plate,
The power distribution stand has an insertion space for inserting the core portion of the power cord between the terminal plate and the holding plate from between the partition portion and the terminal portion without causing the screw member to be detached from the terminal plate. With
The partition wall extends between the center portion of the power cable inlet portion and the center portion of the power cable outlet portion in a substantially straight line with a predetermined thickness. It is held in a curved state,
Further, the partition wall portion includes a thin upper portion for forming the insertion space and a guide portion for guiding the core portion of the power cord onto the terminal plate. The guide portion is characterized in that it is curved or inclined from the lower portion of the thin upper portion toward the terminal board.

(11) A lighting fixture power distribution tool comprising: a joint box electrically connected to a power cable having two power cords; and a lighting fixture mounting socket connected to the joint box by two power cords. There,
The joint box includes a power distribution table and a power distribution table cover having a power cable inlet portion and a power cable outlet portion provided at substantially opposite positions,
The power distribution stand includes two terminal portions, and a partition wall portion for preventing a short circuit that extends from the power cable inlet portion side to the power cable outlet portion side and is positioned between the two terminal portions,
Each of the terminal portions includes a terminal plate fixed to the distribution board and electrically connected to the energization cord, and a partially exposed core wire portion of the power cord between the terminal plate. A clamping plate, and a screw member that passes through the clamping plate and is screwed with the terminal plate,
The power distribution stand has an insertion space for inserting the core portion of the power cord between the terminal plate and the holding plate from between the partition portion and the terminal portion without causing the screw member to be detached from the terminal plate. With
The partition part has a thin upper part for forming the insertion space, and a guide part for guiding the core part of the power cord onto the terminal plate, provided at a lower part of the thin upper part, The guide portion is curved or inclined in the terminal plate direction from the lower portion of the thin upper portion,
Further, the distribution board has a predetermined height provided in the vicinity of each terminal part and at a position facing the partition part via each terminal part, and the core part of the power cord is connected to the terminal plate and the terminal board. Two rotation suppression pieces for suppressing the rotation of the sandwiching plate during the insertion work between the sandwiching plates are provided.

(12) A lighting fixture power distribution tool including a joint box electrically connected to a power cable having two power cords, and a lighting fixture mounting socket connected to the joint box by two energization cords. There,
The joint box includes a power distribution table and a power distribution table cover having a power cable inlet portion and a power cable outlet portion provided at substantially opposite positions,
The power distribution stand includes two terminal portions, and a partition wall portion for preventing a short circuit that extends from the power cable inlet portion side to the power cable outlet portion side and is positioned between the two terminal portions,
Each of the terminal portions includes a terminal plate fixed to the distribution board and electrically connected to the energization cord, and a partially exposed core wire portion of the power cord between the terminal plate. A clamping plate, and a screw member that passes through the clamping plate and is screwed with the terminal plate,
The power distribution stand has an insertion space for inserting the core portion of the power cord between the terminal plate and the holding plate from between the partition portion and the terminal portion without causing the screw member to be detached from the terminal plate. With
The partition wall extends between the center portion of the power cable inlet portion and the center portion of the power cable outlet portion in a substantially straight line with a predetermined thickness. It is held in a curved state,
The partition part has a thin upper part for forming the insertion space, and a guide part for guiding the core part of the power cord onto the terminal plate, provided at a lower part of the thin upper part, The guide portion is curved or inclined in the terminal plate direction from the lower portion of the thin upper portion,
Further, the distribution board has a predetermined height provided in the vicinity of each terminal part and at a position facing the partition part via each terminal part, and the core part of the power cord is connected to the terminal plate and the terminal board. Two rotation suppression pieces for suppressing the rotation of the sandwiching plate during the insertion work between the sandwiching plates are provided.

(13) A lighting fixture power distribution tool comprising: a joint box electrically connected to a power cable having two power cords; and a lighting fixture mounting socket connected to the joint box by two power cords. There,
The joint box includes a power distribution table and a power distribution table cover having a power cable inlet portion and a power cable outlet portion provided at substantially opposite positions,
The power distribution stand includes two terminal portions, and a partition wall portion for preventing a short circuit that extends from the power cable inlet portion side to the power cable outlet portion side and is positioned between the two terminal portions,
Each of the terminal portions includes a terminal plate fixed to the distribution board and electrically connected to the energization cord, and a partially exposed core wire portion of the power cord between the terminal plate. A clamping plate, and a screw member that passes through the clamping plate and is screwed with the terminal plate,
The power distribution stand has an insertion space for inserting the core portion of the power cord between the terminal plate and the holding plate from between the partition portion and the terminal portion without causing the screw member to be detached from the terminal plate. With
The partition wall extends between the center portion of the power cable inlet portion and the center portion of the power cable outlet portion in a substantially straight line with a predetermined thickness. It is held in a curved state,
The partition part has a thin upper part for forming the insertion space, and a guide part for guiding the core part of the power cord onto the terminal plate, provided at a lower part of the thin upper part, The guide portion is curved or inclined in the terminal plate direction from the lower portion of the thin upper portion,
The distribution board has a predetermined height provided near each terminal portion and at a position facing the partition wall portion through each terminal portion, and the core portion of the power cord is sandwiched between the terminal plate and the terminal plate. Two rotation suppression pieces that suppress rotation of the clamping plate during insertion work between the plates,
Further, the power distribution table cover includes a locking piece that protrudes downward from a lower end portion of the power distribution table cover and has a flange portion at an end portion, and the power distribution table is fitted to the power distribution table with the power distribution table cover. A guide part that guides and spreads the locking piece of the power distribution table cover, and an engaging part that fits with the locking piece that has passed through the guide part, and the power distribution table cover locks the power distribution table cover It is attached to the said power distribution stand by fitting with a piece and the support part of the said power distribution stand, It is characterized by the above-mentioned.

  According to the lighting fixture power distribution device of the present invention, the distribution box of the joint box includes two terminal portions and a partition portion for preventing a short circuit located between the two terminal portions, and the terminal portion and the partition portion. Since the insertion space for inserting the core portion of the power cord without removing the screw member from the terminal plate is provided between the power cord and the terminal portion, the power cord is dropped into the insertion space from above. The core wire portion can be taken, and the attachment work of the power cord and the lighting fixture power distribution tool can be facilitated.

According to the lighting fixture power distribution device of the present invention, the partition wall portion extends substantially linearly at a predetermined thickness between the center portion of the power cable inlet portion and the center portion of the power cable outlet portion. Since the power distribution table holds the power cords in a low-curved state, the power cord can be attached to the joint box in a state close to a straight line without excessively bending the power cord, and the installation work can be performed easily. In addition, when force is applied to the power cord, excessive force is not applied to the terminal portion of the joint box.
In addition, the partition wall is provided with a thin upper portion that forms the insertion space, and a guiding portion for guiding the core portion of the power cord onto the terminal plate at the lower portion of the thin upper portion. The core part of the power cord can be easily taken on the terminal board of the terminal part, and further, the guide part is curved or inclined from the lower part of the thin upper part toward the terminal board, When the core portion of the power cord is moved so as to contact the thin upper portion and the guide portion, the power cord is automatically inserted between the terminal plate and the holding plate that is previously separated from the terminal plate by a predetermined distance. The power cord can be attached to the terminal part very easily.

According to the power distribution device for lighting equipment of the present invention, the power distribution cord includes two rotation suppression pieces having a predetermined height, so that the core portion of the power cord is connected between the terminal plate and the holding plate. When the core wire portion is tightened with the clamping plate, the rotation of the clamping plate can be prevented. Therefore, when the core part of the power cord is placed on the terminal plate and the clamping plate is moved downward and tightened by the screw member, the clamping plate can be lowered without rotating, and the power cord can be tightened. Even if it does not prevent the rotation by pressing, the core wire of the power cord can be securely clamped and connected to the terminal portion without causing any deviation in the positional relationship between the terminal plate and the clamping plate.
In addition, the height of the rotation suppression piece is the same as or slightly higher than the position of the holding plate when the holding plate is separated from the terminal plate by an interval where the core portion of the power cord smoothly enters. Even if the gap is widened so that the core part of the power cord can be easily inserted in the cord installation work, the pin does not rotate or the pin does not rotate and ride on the rotation restraining piece. The connection of the core part of the power cord to the part can be done simply by tightening the screw member.

According to the lighting device power distribution device of the present invention, the power distribution table cover includes a locking piece having a flange, and the power distribution table includes a guide portion that guides the locking piece and a support portion that fits the locking piece. Therefore, when a power distribution cover is fitted to the power distribution table, if a force is applied in the direction in which both are combined, the locking piece is spread by the guide portion and curved outward to overcome the guide portion. Then, with the snapping action by the elastic force of the locking piece, the hook portion of the locking piece fits into the support portion, and the power distribution table cover can be securely fitted to the power distribution table with one touch.
Moreover, since the said distribution stand cover is provided with the suspension part, the distribution tool for lighting fixtures can be suspended from the agricultural house, the ceiling of a factory, etc.

  According to the lighting fixture power distribution device of the present invention, the lighting fixture mounting socket is configured such that the two energization cords connected to the terminal boards of the power distribution stand are electrically connected to the socket portion in the housing. The structure is simple. Further, by attaching the joint box to the power cord, the lighting fixture power distribution device having the lighting fixture mounting socket can be connected to the power cord, and by changing the length of the energization cord, the lighting fixture can be attached. The position to suspend the socket can be easily adjusted.

  According to the lighting device power distribution device of the present invention, when installing the lighting device power distribution device to the power cord of the power cable, the power cord is almost straight from the insertion space between the terminal portion of the power distribution stand and the partition wall portion. It can be inserted in the shape of a wall, moved along the thin upper portion of the partition wall and the guiding portion, guided between the terminal plate and the holding plate, and the core portion of the power cord can be easily placed on the terminal plate. When the mounted power cord rotates the screw member and lowers the clamping plate, the clamping plate can be clamped between the terminal plate and the core wire portion without rotating by the rotation restraining piece. Will not shift. After the attachment of the core wire part to the terminal part is completed, the power distribution table and the power distribution table cover can be integrated by covering the power distribution table with the power distribution table cover and pressing them firmly. Therefore, the power cable and the plurality of lighting fixtures can be reliably connected to each other, and the work of attaching a large number of lighting fixtures to the power cable can be performed very efficiently.

Hereinafter, an example of an embodiment of a power distribution device for lighting equipment according to the present invention will be described with reference to the drawings.
1 is a front view of a power distribution device for a lighting device according to the present invention, FIG. 2 is a left side view of the same, FIG. 3 is an explanatory view showing the same usage state, FIG. 4 is a sectional view taken along the line XX, FIG. Fig. 6 is an enlarged cross-sectional view of the power distribution table cover of the power distribution device of the present invention, Fig. 6 is an enlarged cross-sectional view of the power distribution table before the power cord is attached, and Fig. 7 is a power distribution table in which the power cord is guided and attached FIG. 8 is an enlarged cross-sectional view of the power distribution stand with the power cord attached thereto, FIG. 9 is an enlarged perspective view of the power distribution stand of the lighting fixture power distribution device of the present invention, and FIG. 10 is the same power distribution stand. FIG.

As shown in FIGS. 1 to 4, the power distribution device for lighting equipment according to the present invention comprises a power distribution table 1 and a power distribution table cover 2, and is a joint electrically connected to a power cable 3 having two power cords 3 a. It comprises a box A, a lighting fixture mounting socket B for screwing the light bulb C, and an energization cord 4 connecting the lighting fixture power distribution tool A and the lighting fixture mounting socket B.
As shown in FIGS. 5 to 10, the power distribution table 1 of the joint box A has a disk shape, and the receiving portions 5 protrude from both ends of the power distribution table 1 at substantially opposite positions on both sides of the power distribution table 1. In addition, the distribution table cover 2 has a bowl shape that can cover the distribution table 1 so as to cover it, and a flange portion 6 is provided to project at positions corresponding to the receiving portions 5 at both ends thereof. When the power distribution table cover 2 is fitted on the power distribution table 1, the power cable inlet portion 7 and the power cable outlet portion 8 are formed at both ends of the joint box A.

Two terminals 9 for connecting the power cord 3a of the power cable 3 are arranged side by side at a predetermined interval on the power distribution board 1, and the center of the power cable inlet 7 is between the two terminals. A partition wall 10 that is substantially linear and extends at a predetermined thickness is provided on the upper surface of the distribution board 1 so as to divide the joint box A into two. In addition, the partially exposed core wire portion 3b of the two power cords 3a is not short-circuited. In addition, the distribution board 1 is provided with an insertion space 14 in which the power cord 3a and the core wire portion 3b can be inserted between the partition wall portion 10 and the terminal portions 9.
Furthermore, the portion for fixing the terminal portion 9 of the distribution board 1 is formed slightly higher than the line connecting the power cable inlet portion 7 and the power cable outlet portion 8, and the terminal even if water enters the joint box The structure does not invade water. Therefore, when the power cord 3a is connected to the terminal portion 9 of the joint box A, the power cord 3a is attached to the terminal portion 9 by drawing a gentle curve that is slightly higher at the center of the distribution board 1 and lower at both ends of the distribution board 1. Thus, it is sandwiched between the receiving part 5 of the distribution board 1 and the flange part 6 of the distribution board cover 2 in a low-curved state.

  Each of the terminal portions 9 is fixed to the distribution board 1 and is electrically connected to the energizing cord 4. A core wire partially exposed to the power cord 3 a is provided between the terminal plate 11 and the terminal plate 11. It comprises a sandwiching plate 12 that sandwiches the portion 3b, and a screw member 13 that passes through the sandwiching plate 12 and is screwed with the terminal plate 11. The terminal member 11 and the sandwiching plate 12 are rotated by rotating the screw member 13. , The core portion 3b of the power cord 3a is inserted and placed on the terminal plate 11, and then the screw member 13 is rotated to lower the clamping plate 12 to fasten and fix the core portion 3b of the power cord. The core wire portion 3b of the power cord 3a can be connected to the terminal portion 9.

The partition wall portion 10 is formed with a thin upper portion 10a having a thin upper portion, and a guide portion 10b for guiding the core portion 3b of the power cord 3a onto the terminal plate is provided below the thin upper portion 10a. The insertion space 14 into which the power cord and the core wire portion 3b can be inserted is formed between the terminal portion 9 and the partition wall portion 10, and the screw member 13 is not detached from the terminal plate 11 within the above range. If the terminal plate 11 and the sandwiching plate 12 are separated from each other, the core portion 3 b of the power cord can be inserted between the partition wall portion 3 b and the terminal portion 9.
The guide portion 10b of the partition wall portion 10 has a shape that is curved or inclined so that the lower portion of the partition wall portion 10 extends from the lower portion of the thin upper portion 10a toward the terminal plate. When the electric wire cord 3a and the core wire portion 3b are inserted into the space 14 so as to drop from the upper side of the distribution board 1, the wire cord 3a and the core portion 3b are guided downward along the thin upper portion 10a and the guide portion 10b. It is automatically guided onto the terminal plate of the terminal portion 9.

  Reference numeral 15 denotes a rotation restraining piece, which protrudes from a side portion of each terminal portion 9 of the distribution board and at a position facing the partition wall portion 10 via the terminal portion 9, and connects the core portion 3b of the power cord. When inserting between the terminal plate 11 and the holding plate 12, the holding member 12 is prevented from rotating when the holding plate 12 is moved up and down with respect to the terminal plate 11 by the screw member 13. , Provided close to the side of the terminal board 11. The height of the rotation restraining piece 15 is the same as or slightly higher than the position of the clamping plate 12 when the clamping plate 12 is separated from the terminal plate 11 by an interval that allows the core portion 3b of the power cord to enter smoothly. ing.

The power distribution table cover 2 is provided with a locking piece 17 having a flange 16 at an end projecting downward from the lower end portion of the power distribution table cover 2, and the power distribution table 1 includes the power distribution table cover 2. At the time of fitting to the switchboard 1, the guide portion 18 that guides and spreads the locking piece 17 of the switchboard cover 2 and the flange portion 16 of the locking piece 17 that passes through the guide portion 18 are fitted. A joint 19 is provided, and the power distribution table cover 2 is mounted on the power distribution table by fitting the locking piece 17 and the power support portion 19 of the power distribution table, and the power distribution table 1 and the power distribution table cover 2 are integrated. It is configured to be box A.
Further, the power distribution table cover 2 is provided with a hanging portion 20 for hanging a power distribution device for a lighting fixture projecting upward from the central portion of the upper surface, and can be suspended from a ceiling 21 or the like.

The lighting fixture mounting socket B includes a cylindrical housing 22 whose lower surface is open and whose upper surface is closed, a socket portion 23 into which a light bulb C mounted in the housing is screwed, and a conductive tongue for energizing the light bulb C. The end portions of the two energizing cords 4, each of which is connected to the terminal board 11 of the distribution board 1, are inserted from the upper part of the housing 22 and one energizing cord is connected to the socket portion 23. Then, the other energizing cord is connected to the conductive tongue piece 24, and a lighting fixture such as a light bulb C is screwed into the socket portion 23 for use. The position where the light bulb C is suspended can be brought to a desired position by changing the length of the energization cord 4.
Reference numeral 25 denotes a waterproof cover that closes the space between the lower opening of the socket portion and the light bulb C when the light bulb C is screwed into the socket portion 23.

Since the lighting fixture power distribution device of the present invention has the above-mentioned configuration, when attaching the lighting fixture power distribution device to the power cord of the power cable, the screw member is rotated to turn the screw member on the terminal plate of the power distribution stand. Prepare the connection by separating the power cord core wire part from the board by an interval that allows insertion, and then place the power cord and its core wire part in the insertion space provided between the partition wall part and the terminal part of the power distribution board. It is automatically inserted between the terminal board and the clamping board of the terminal part of the distribution board by moving the power cord and its core part along the thin upper part and the guiding part. Is done. When the core member is inserted and placed on the terminal plate, the screw member is rotated to lower the holding plate, and the holding plate is lowered without rotating by the rotation restraining piece, and the holding plate is eventually turned to the core portion of the power cord. The core portion of the power cord is fixed between the terminal plate and the sandwiching plate by further tightening. Then, when the locking piece having the collar part of the distribution table cover is aligned with the guide part of the distribution table and a strong force is applied in the direction in which the distribution table and the distribution table cover are aligned, the locking piece and the collar part get over the guidance part. The hook part fits into the engaging part, and both are joined together, and the connection between the joint box and the power cable is completed.
In addition, the above description is a case where the power cord is inserted and connected so as to drop into the insertion space of the distribution board, but conversely, the distribution space is held close to the power cord by holding the distribution board in the power cord and its core wire. To the position where the unit enters, and guide the inside of the insertion space so that the power cord and its core wire terminal terminal part are in contact with the thin wall upper part and the induction part of the partition part of the power distribution stand, and the core part of the power cord and the power distribution stand It is also possible to attach the terminal part.

Since the insertion space is provided as described above, the core portion of the power cord can be easily guided between the terminal plate and the sandwiching plate without removing the screw member from the terminal plate. Also, when fixing the power cord placed on the terminal plate by lowering the clamping plate with the screw member, the clamping plate can be lowered without rotating and the core part can be clamped and fixed between the terminal plate and the clamping plate. It is not necessary to suppress the clamping plate with a fingertip or the like to prevent rotation of the terminal, and by simply tightening the screw member, the terminal plate and the clamping plate can be clamped and fixed with the power cord in an appropriate positional relationship. After the installation of the cord is completed, the distribution table and the distribution table cover can be easily integrated by covering the distribution table with the distribution table cover and pressing them firmly. Furthermore, since the two power cords of the power cable connected to the joint box are connected in a state close to a straight line without being excessively bent, a large force is applied to the terminal section of the distribution board when a force is applied to the power cable. Power is not added.
Therefore, the work of attaching a large number of lighting fixtures to the power cable can be performed very efficiently, and the power cable and the plurality of lighting fixtures can be electrically connected securely and safely.

  Although an example of the embodiment of the present invention has been described above, the present invention is not limited to the embodiment, and it goes without saying that the present invention can be implemented in various forms without departing from the gist of the present invention. .

It is a front view of the electrical appliance for lighting fixtures of this invention. Similarly, it is a left side view. It is explanatory drawing which similarly shows a use condition. Similarly it is XX sectional drawing. It is an expanded sectional view of the power distribution stand cover of the power distribution tool for lighting fixtures of this invention. It is an expanded sectional view of the power distribution stand before attaching a power cord. It is an expanded sectional view of a power distribution stand in the state where a power cord is guided and attached. It is an expanded sectional view of a power distribution stand in the state where a power cord was attached. It is an expansion perspective view of the power distribution stand of the power distribution tool for lighting fixtures of this invention. It is an enlarged plan view of a distribution board.

Explanation of symbols

A Joint box B Lighting fixture mounting socket 1 Distribution board 2 Distribution board cover 2
DESCRIPTION OF SYMBOLS 3 Power supply cable 3a Power supply cord 3b Core wire part 4 Current supply cord 5 Receptacle part 6 Reed part 7 Power supply cable inlet part 8 Power supply cable outlet part 9 Terminal part 10 Bulkhead part 10a Thin upper part 10b Guide part 11 Terminal board 12 Clamping board 13 Screw member 14 Insertion Space 15 Rotation Suppression Piece 16 Gutter 17 Locking Piece 18 Guide Part 19 Engagement Part 20 Suspension Part 22 Housing 23 Socket

Claims (13)

A lighting fixture power distribution tool comprising: a joint box electrically connected to a power cable having two power cords; and a lighting fixture mounting socket connected by the joint box and the two power cords,
The joint box includes a power distribution table having a power cable inlet portion and a power cable outlet portion provided at substantially opposite positions, and a power distribution table cover cover.
The power distribution stand includes two terminal portions, and a partition wall portion for preventing a short circuit that extends from the power cable inlet portion side to the power cable outlet portion side and is positioned between the two terminal portions,
Each of the terminal portions includes a terminal plate fixed to the distribution board and electrically connected to the energization cord, and a partially exposed core wire portion of the power cord between the terminal plate. A clamping plate, and a screw member that passes through the clamping plate and is screwed with the terminal plate,
Further, the power distribution stand is configured to insert the core portion of the power cord between the terminal plate and the clamping plate from between the partition portion and the terminal portion without causing the screw member to be detached from the terminal plate. A power distribution device for lighting equipment, comprising an insertion space. The partition wall extends between the center portion of the power cable inlet portion and the center portion of the power cable outlet portion in a substantially straight line with a predetermined thickness. The power distribution tool for lighting equipment according to claim 1, wherein the power distribution tool is held in a curved state. The partition part has a thin upper part for forming the insertion space, and a guide part provided at a lower part of the thin upper part for guiding the core part of the power cord onto the terminal board. The power distribution tool for lighting equipment according to 1 or 2. The partition part has a thin upper part for forming the insertion space, and a guide part for guiding the core part of the power cord onto the terminal plate, provided at a lower part of the thin upper part, The power distribution tool for a luminaire according to claim 1 or 2, wherein the guide portion is curved or inclined toward the terminal plate from a lower portion of the thin upper portion. The distribution board has a predetermined height provided near each terminal portion and at a position facing the partition wall portion through each terminal portion, and the core portion of the power cord is sandwiched between the terminal plate and the terminal plate. The power distribution tool for luminaires according to any one of claims 1 to 4, further comprising two rotation suppression pieces that suppress rotation of the clamping plate during insertion work between the plates. The height of the rotation suppression piece is the same as or slightly higher than the position of the holding plate when the holding plate is separated from the terminal plate by an interval where the core portion of the power cord smoothly enters. Power distribution device for lighting equipment. The power distribution table cover includes a locking piece that protrudes downward from a lower end portion of the power distribution table cover and has a flange portion at an end portion, and the power distribution table is provided when the power distribution table cover is fitted to the power distribution table. A guide part that guides and spreads the locking piece of the power distribution table cover, and a support part that fits the locking piece that has passed through the guide part; and the power distribution table cover includes a locking piece of the power distribution table cover, The power distribution tool for lighting equipment according to any one of claims 1 to 6, wherein the power distribution tool is attached to the power distribution table by fitting with a support portion of the power distribution table. The power distribution tool cover according to any one of claims 1 to 7, wherein the power distribution table cover includes a hanging portion for hanging a power distribution device for a lighting device that protrudes upward from a central portion of the upper surface. The socket for mounting the lighting fixture includes a housing that houses the end portions of the two energization cords connected to the terminal plates of the distribution board, and is accommodated in the housing and is electrically connected to the two energization cords and The distribution device for lighting equipment according to any one of claims 1 to 8, further comprising a socket portion that is connected electrically. A lighting fixture power distribution tool comprising: a joint box electrically connected to a power cable having two power cords; and a lighting fixture mounting socket connected by the joint box and the two power cords,
The joint box includes a power distribution table and a power distribution table cover having a power cable inlet portion and a power cable outlet portion provided at substantially opposite positions,
The power distribution stand includes two terminal portions, and a partition wall portion for preventing a short circuit that extends from the power cable inlet portion side to the power cable outlet portion side and is positioned between the two terminal portions,
Each of the terminal portions includes a terminal plate fixed to the distribution board and electrically connected to the energization cord, and a partially exposed core wire portion of the power cord between the terminal plate. A clamping plate, and a screw member that passes through the clamping plate and is screwed with the terminal plate,
The power distribution stand has an insertion space for inserting the core portion of the power cord between the terminal plate and the holding plate from between the partition portion and the terminal portion without causing the screw member to be detached from the terminal plate. With
The partition wall extends between the center portion of the power cable inlet portion and the center portion of the power cable outlet portion in a substantially straight line with a predetermined thickness. It is held in a curved state,
Further, the partition wall portion includes a thin upper portion for forming the insertion space and a guide portion for guiding the core portion of the power cord onto the terminal plate. The guide portion is curved or inclined from the lower portion of the thin upper portion toward the terminal plate. A lighting fixture power distribution tool comprising: a joint box electrically connected to a power cable having two power cords; and a lighting fixture mounting socket connected by the joint box and the two power cords,
The joint box includes a power distribution table and a power distribution table cover having a power cable inlet portion and a power cable outlet portion provided at substantially opposite positions,
The power distribution stand includes two terminal portions, and a partition wall portion for preventing a short circuit that extends from the power cable inlet portion side to the power cable outlet portion side and is positioned between the two terminal portions,
Each of the terminal portions includes a terminal plate fixed to the distribution board and electrically connected to the energization cord, and a partially exposed core wire portion of the power cord between the terminal plate. A clamping plate, and a screw member that passes through the clamping plate and is screwed with the terminal plate,
The power distribution stand has an insertion space for inserting the core portion of the power cord between the terminal plate and the holding plate from between the partition portion and the terminal portion without causing the screw member to be detached from the terminal plate. With
The partition part has a thin upper part for forming the insertion space, and a guide part for guiding the core part of the power cord onto the terminal plate, provided at a lower part of the thin upper part, The guide portion is curved or inclined in the terminal plate direction from the lower portion of the thin upper portion,
Further, the distribution board has a predetermined height provided in the vicinity of each terminal part and at a position facing the partition part via each terminal part, and the core part of the power cord is connected to the terminal plate and the terminal board. A power distribution tool for a luminaire, comprising two rotation restraining pieces for restraining rotation of the sandwiching plate during insertion between the sandwiching plates. A lighting fixture power distribution tool comprising: a joint box electrically connected to a power cable having two power cords; and a lighting fixture mounting socket connected by the joint box and the two power cords,
The joint box includes a power distribution table and a power distribution table cover having a power cable inlet portion and a power cable outlet portion provided at substantially opposite positions,
The power distribution stand includes two terminal portions, and a partition wall portion for preventing a short circuit that extends from the power cable inlet portion side to the power cable outlet portion side and is positioned between the two terminal portions,
Each of the terminal portions includes a terminal plate fixed to the distribution board and electrically connected to the energization cord, and a partially exposed core wire portion of the power cord between the terminal plate. A clamping plate, and a screw member that passes through the clamping plate and is screwed with the terminal plate,
The power distribution stand has an insertion space for inserting the core portion of the power cord between the terminal plate and the holding plate from between the partition portion and the terminal portion without causing the screw member to be detached from the terminal plate. With
The partition wall extends between the center portion of the power cable inlet portion and the center portion of the power cable outlet portion in a substantially straight line with a predetermined thickness. It is held in a curved state,
The partition part has a thin upper part for forming the insertion space, and a guide part for guiding the core part of the power cord onto the terminal plate, provided at a lower part of the thin upper part, The guide portion is curved or inclined in the terminal plate direction from the lower portion of the thin upper portion,
Further, the distribution board has a predetermined height provided in the vicinity of each terminal part and at a position facing the partition part via each terminal part, and the core part of the power cord is connected to the terminal plate and the terminal board. A power distribution tool for a luminaire, comprising two rotation restraining pieces for restraining rotation of the sandwiching plate during insertion between the sandwiching plates. A lighting fixture power distribution tool comprising: a joint box electrically connected to a power cable having two power cords; and a lighting fixture mounting socket connected by the joint box and the two power cords,
The joint box includes a power distribution table and a power distribution table cover having a power cable inlet portion and a power cable outlet portion provided at substantially opposite positions,
The power distribution stand includes two terminal portions, and a partition wall portion for preventing a short circuit that extends from the power cable inlet portion side to the power cable outlet portion side and is positioned between the two terminal portions,
Each of the terminal portions includes a terminal plate fixed to the distribution board and electrically connected to the energization cord, and a partially exposed core wire portion of the power cord between the terminal plate. A clamping plate, and a screw member that passes through the clamping plate and is screwed with the terminal plate,
The power distribution stand has an insertion space for inserting the core portion of the power cord between the terminal plate and the holding plate from between the partition portion and the terminal portion without causing the screw member to be detached from the terminal plate. With
The partition wall extends between the center portion of the power cable inlet portion and the center portion of the power cable outlet portion in a substantially straight line with a predetermined thickness. It is held in a curved state,
The partition part has a thin upper part for forming the insertion space, and a guide part for guiding the core part of the power cord onto the terminal plate, provided at a lower part of the thin upper part, The guide portion is curved or inclined in the terminal plate direction from the lower portion of the thin upper portion,
The distribution board has a predetermined height provided near each terminal portion and at a position facing the partition wall portion through each terminal portion, and the core portion of the power cord is sandwiched between the terminal plate and the terminal plate. Two rotation suppression pieces that suppress rotation of the clamping plate during insertion work between the plates,
Further, the power distribution table cover includes a locking piece that protrudes downward from a lower end portion of the power distribution table cover and has a flange portion at an end portion, and the power distribution table is fitted to the power distribution table with the power distribution table cover. A guide part that guides and spreads the locking piece of the power distribution table cover, and an engaging part that fits with the locking piece that has passed through the guide part, and the power distribution table cover locks the power distribution table cover A power distribution tool for a luminaire, which is attached to the power distribution table by fitting a piece with a support portion of the power distribution table.

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