JPH0243285B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method of suspending a lighting fixture in the air and a connection wiring tool used therefor, and particularly relates to a method of suspending a lighting fixture in the air using wires or other cables, as if the lighting fixture were suspended in the air from the ceiling of a room. It can be suspended in any layout, reminiscent of a swing or an aerial overhead wire running parallel to the ceiling, and can be used to wire electrical wiring across multiple lighting fixtures with high efficiency and without any problems. The design was designed to provide a new lighting effect that is rich in overall interest and variation, as well as interior decoration aesthetics that match the variety of stores.

Hereinafter, the details of the present invention will be explained in detail based on the drawings. In FIGS. 1 to 6 showing the lighting equipment, A is the equipment main body with a constant length L in the form of a hollow round pipe; A socket accommodating box 11 is protruded from the intermediate portion with a right-angled communicating opening. 12 is the box 1
1, from which a pair of left and right wiring cords 13 are extended toward both ends of the opening of the appliance body A. 14
is a female terminal attached to the tip of each cord 13.

Reference numeral 15 indicates a pair of left and right rotation stopper convex protrusions protruding from the circumferential surface of both ends of the opening of the device main body A, as shown in FIGS. 7 and 8, in order to prevent the wiring cord 13 from being twisted; and 16 indicates a socket 12 A spring material 17 is sealed and installed in the box 11 as the back is pressed against the bottom surface of the box 11, and the socket 12 is a cap ring for sinking the socket 12 into the box 11 against the pushing force of the spring material 16. It is screwed onto the opening edge of the box 11. Therefore, there is no possibility that the socket 12 will become loose. 18
is a halogen lamp attached to the socket 12, and is also integrally equipped with a reflector plate 19 as shown in FIG.

Reference numeral B designates a pair of left and right connecting wiring tools which are attached to both ends of the opening of the device main body A in a closed state, and each of them is assembled into a unit body from the following parts.

That is, in FIGS. 9 to 26, which are extracted from this,
The first reference numeral 20 designates a cover bushing made of an insulating material such as synthetic resin into a hollow cylindrical shape with a bottom and having the same thickness as the device main body A.
As shown in FIG. 4, a small-diameter insertion leg tube 22 protruding from the bottom wall 21 is cut out with a cross-shaped slit 23 for diameter contraction. The bush 20 is attached to the instrument main body A by inserting and press-fitting the leg tube 22 into both opening ends of the instrument main body A.

In its installed state, the bush 20 can be rotated relative to the instrument main body A, but the rotation stopper convex 1 of the instrument main body A
Since the locking protrusion 24 that locks the locking protrusion 24 correspondingly projects from the stepped portion 25 of the bushing 20 that abuts against both opening ends of the instrument body A, its rotation operation can be performed within a certain angular range ( (approximately 360 degrees), and as a result, there is no need to worry about the wiring cord 13 twisting and breaking. In the illustrated example, one rotation stopper protrusion 15 and one locking protrusion 24 are provided, but the number can be increased to two or more.

Reference numeral 26 denotes a trident-shaped long hole for receiving a male terminal opened in the center of the bottom wall 21 of the bush 20, and 27 a pair of holes facing each other with the long hole 26 in between, which are also formed through the peripheral part of the bottom wall 21. circular hole for receiving the inserted leg, 28 is the button 20
A pair of receiving windows for cable holders having a relatively large circular opening are provided as a pair facing the trunk wall 29 of the
Reference numeral 30 designates a pair of receiving windows for connecting wiring cords which are opened in the body wall 29 in a parallel state facing in the same direction as the receiving window 28, and which are opposite each other and have a relatively small rectangular shape. Reference numeral 31 denotes a pair of opposing slide guide grooves, which are located on a plane orthogonal to the two types of receiving windows 28 and 30 and are also provided on the inner surface of the body wall 29, and which are located in the direction of the cylindrical core of the bush 20 itself. It extends along.

Next, 33 is the cover bush 20 as described above.
This is a terminal holder that is inserted and set in a sliding manner into the hollow interior of the terminal, and is also made of an insulating material such as synthetic resin into a special shape as shown in FIGS. 15 to 18. 34 is a circular end plate of the holder 33, and when the holder 33 is inserted into the bush 20, it acts to cover the top surface of the opening of the body wall 29 in the bush 20. Reference numeral 35 denotes a circular intermediate partition plate parallel to the end plate 34, and when the holder 33 is inserted into the bush 20, a boundary partitioning the two types of receiving windows 28 and 30 parallel to the body wall 29 of the bush 20 is provided. We will approach the position.

Reference numeral 36 denotes a slide plate that connects and integrates the center portions of the end plate 34 and the partition plate 35, and when the holder 33 is inserted into the bush 20, the bush 20 receives the cable holder. A communication hole 37 that correctly matches the window 28 is opened in a circular shape. Moreover, the slide plate 37
The holder 33 engages with the slide guide groove 31 of the body wall 29 of the bush 20, so that the holder 33 can be smoothly inserted into the bush 20 without rotation.

Reference numeral 38 denotes a two-pronged fork-shaped terminal clamping piece protruding from the center of the partition plate 35, and a three-pronged male terminal 39 having an overall inverted T-shape is locked to this, and the holder 33 is inserted into the bush 20, its male terminal 39 is inserted into the bush 20.
It is adapted to be received and fixed in the elongated hole 26 of the bottom wall 21 at. The female terminal 14 of the device body A is electrically connected to the tip of the male terminal 39 by insertion.

Reference numeral 40 designates a pair of insertion legs located around the terminal holding piece 38 and protruding from the partition plate 35 of the holder 33;
It corresponds to the receiving circular hole 27 opened in the. As is clear from the illustration, the tip of each leg 40 is formed into a conical wedge shape.

In other words, while the terminal holder 33 holds and holds the male terminal 39 with its clamping piece 38,
It is inserted and set from the insertion leg 40 into the leg receiving circular hole 27 of the bush 20, and in the process, the slide plate 36 engages with the slide guide groove 31 of the bush 20 and slides correctly. become. When the insertion is completed, the communication hole 37 of the holder 33 is connected to the bush 20.
It is in matching communication with the receiving window 28 for the cable holder. On the other hand, the male terminal 39 held by the clamping piece 38 correctly faces the connection wiring cord receiving window 30 of the bush 20.

Further, numeral 41 extends between the matching cable holder receiving window 28 and the communication hole 37, and the bush 2
It is a cable holder that is passed through in a relationship perpendicular to the direction of the cylinder core of the cylinder 0, and as shown in FIGS. It consists of a hollow pin 43 that is inserted and set in a locked state, and a wire, string, or other cable 44 can be freely passed through the hollow pin 43.

In that case, a conical inclined slope surface 45 is provided on the hollow inner circumferential surface of the hollow shaft cylinder 42, while a spring receiving flange that can collide with the inclined slope surface 45 is provided from the outer circumferential surface of the hollow pin 43. 46 is projected outward. 47 is a retaining ring press-fitted into the hollow shaft cylinder 42 to prevent the hollow pin 43 from coming off; 48 is a compression coil spring inserted and wound between the retaining ring 47 and the flange 46; As a result, the hollow pin 43 is always pressed and biased in the direction of advancing from the hollow shaft cylinder 42.

A plurality of balls 49 are held in a radially symmetrical arrangement on the way of the hollow pin 43, and by getting on and off the inclined surface 45 of the hollow shaft cylinder 42, the balls 49 emerge and retract along the diametrical direction of the pin 43. It acts, grips and fixes the cable 44 class like a neck tightening,
Or to allow sliding relative to the cable 44,
Unfix it.

In other words, the coil spring 48 causes the ball 4 to
9 protrudes inward from the hollow pin 43 in order to constantly grip and fix the cables 44, and while resisting the coil spring 48, the pin 43 is held against the hollow shaft tube 42.
When pushed inward and retracted, the ball 49 sinks in and releases the gripping force of the cables 44. Incidentally, a male thread 50 is also carved on the outer peripheral surface of the hollow shaft cylinder 42.

As mentioned above, such a cable holder 41 passes through the receiving window 28 of the bush 20 and the communication hole 37 of the terminal holder 33, and both ends thereof are directed toward the opening edge of the communication hole 37 in opposite directions. A pair of caps 51 that are inserted and locked from the cap 51 are fixed and held in a manner that cannot be removed. Both caps 51
Each has a U-shaped cross section, and an insertion hole 52 for the cables 44 is also opened therein.

As is clear from the above description, connection wiring tool B
consists of a cover bushing 20, a terminal holder 33, and a cable holder 41, and the 22nd to 2nd
As shown in Fig. 6, the connected wiring tool B is assembled in advance into a whole unit body, and the connected wiring tool B that has been assembled is then inserted from the insertion leg tube 22 of the bush 20 to both open ends of the device main body A. It is inserted into the holder and integrated, and the lighting equipment as shown in Figures 1 to 6 is completed.

In that case, as described above, the appliance body A and the bushing 20 of the wiring tool B can rotate relative to each other within a certain angular range, so the cable holder 41 of the wiring tool B Cable 44 to be penetrated
It is possible to change the arrangement of the extension direction of the lamps and the irradiation directionality of the lamp 18 installed from the socket 12 of the device main body A so that they are on the same plane or intersect with each other. This means that
In the suspended usage state of lighting equipment according to category 4,
This means that the direction of irradiation of the lamp 18 can be changed such as upward, downward, diagonally downward, etc.

In addition, for the three-pronged male terminal 39 fixedly held on the terminal holder 33 of the connection wiring tool B,
As suggested from FIGS. 27 and 28, female terminals 54 attached to the ends of separate connection wiring cords 53 are inserted and used to electrically connect adjacent lighting devices. The unused male terminal 39 is kept closed by a blind cap 55 which is removably inserted into the rectangular wiring cord receiving window 30 of the bush 20. The blind cap 55 is the cable holder 4.
Needless to say, like the holding cap 51 of No. 1, it is made of an insulating material such as synthetic resin.

When using the above-mentioned lighting equipment suspended in the air, attach cables 44 such as wires or strings to the cable holders 41 of the connecting wiring tool B attached to both ends of the lighting equipment body A as shown in Figure 28. A plurality of lighting fixtures are installed in parallel in a so-called hanging state from the cables 44, and both ends of the cables 44 are cut off and attached to the wall surface of the room, for example, by fixing brackets 56 as shown in FIG. It is fixedly supported in a tensioned state through the support, and is supported horizontally parallel to the ceiling surface. In that case, adjacent lighting fixtures are electrically connected to each other by inserting the female terminal 53 of the connecting wiring cord 53 into the male terminal 39 of the wiring tool B.

Also, as shown in FIGS. 30 and 31, one end of the cables 44 is supported on the ceiling by a fixed bracket 56, and the other end of the cables 44 suspended vertically is In addition to attaching the weights 57, it is also possible to use the lighting equipment by installing them in parallel in the same manner as described above at a mid-height position of the pair of left and right cables 44. The directionality of irradiation by the lamp 18 can also be changed, such as upward, downward, diagonally downward, etc., by the relative rotation of the instrument body A and the connecting wiring tool B. The weight 57 can also be in the form of a round bar of a certain length similar to the device main body A as shown in FIGS. 30 and 31, as well as in the form of an annular plate and various other forms.

As described above, in the present invention, as a method for suspending a lighting fixture, a pair of left and right connecting wiring tools B are attached to both ends of a hollow pipe type fixture body A equipped with a lamp 18, and each wiring tool B is shaped. A terminal holder 33 and a cable holder 41 are enclosed in the cover bushing 20, and the three-pronged terminal 39 is fixedly held by the terminal holder 33, and the wiring cord 13 extends from the socket 12 of the lamp 18.
At the same time, wires, strings, or other cables 44 are connected to the adjacent cable holders 41 in the wiring tool B.
The terminal holder 33 of the wiring tool B is installed in parallel with a plurality of appliance bodies A suspended in the air by the cables 44 and 44 in a penetrating state.
Since the adjacent three-pronged terminals 39 are electrically connected by the connecting wiring cord 53, the cables 44 are connected to the ceiling surface in the store as suggested from FIGS. 29 to 31. By freely installing the lighting fixtures horizontally parallel to the ceiling or hanging down from the ceiling surface, multiple lighting fixtures can be installed and used in a suspended state, as if on a trapeze or in parallel on electric wires. Coupled with the change in the arrangement layout, it is possible to obtain a strikingly new lighting effect and the beauty of the interior decoration of the store, which is rich in interesting changes.

In addition, the connecting wiring tool B used for the suspension includes a hollow cylindrical cover bushing 20 with a bottom, and a bushing 2 to cover the top surface of the opening.
0, and a cable holder 41 that receives and passes cables 44 such as wires and strings, and extends from the bottom wall 21 of the cover bushing 20 to the open end of the hollow round pipe type device main body A. The insertion leg tube 22 that should be press-fitted into the section is extended, and the bush 20 is also
A cable holder receiving window 28 is provided in the trunk wall 29 of the
Two kinds of receiving windows 30 for connecting wiring cords are opened through the terminal holder 33, and a leg 40 inserted into the bottom wall 21 of the bushing 20 and a three-pronged terminal 39 are inserted into the terminal holder 33.
By inserting the legs 40 of the holder 33 into the bottom wall 21 of the bush 20, the three-pronged terminal 39 is fixedly held, and the terminal 39 is connected to the connection wiring cord of the bush 20. The cable holder is inserted through the communication hole 37 of the terminal holder 33 from the cable holder receiving window 28 of the bush 20 in a state perpendicular to the cylindrical core direction of the bush 20. The strip holder 41 is fixedly installed, and the connecting wiring cord 5 is connected from the connecting wiring cord receiving window 30 of the bush 20 to the three-pronged terminal 39.
3 can be electrically connected, it is possible to assemble the entire unit without using any tools, and the three-pronged male terminals between adjacent wiring tools B can be assembled into a complete unit without using any tools. 39 from the outside with the female terminal 54 of the connecting wiring cord 53, the number of installed lighting fixtures can be quickly adjusted. I can say it.

[Brief explanation of the drawing]

FIG. 1 is a front view of the lighting equipment according to the present invention, FIGS. 2 and 3 are side and rear views, and FIG.
Figures 5 and 6 are enlarged cross-sectional views taken along lines 4-4 and 6-6 in Figure 4.
The figure is a semi-cutaway cross-sectional front view showing only the main body of the device, Figure 8 is an enlarged cross-sectional view taken along line 8-8 in Figure 7, and Figure 9 is a front view showing the disassembled state of the connecting wiring tool. Figure 10 is a front view showing the cover bushing, Figures 11 and 12 are a plan view and side view, Figure 13 is a sectional view taken along the line 13-13 in Figure 10, and Figure 14 is a cross-sectional view of the cover bushing. A sectional view taken along the line 14-14 in the figure,
Figure 15 is a front view showing the terminal holder extracted;
Figures 16 and 17 are the same plan view and side view, and Figure 18
The figure is a sectional view taken along the line 18-18 in Fig. 17, Fig. 19 is a front view extracting the cable holder, Fig. 20 is an enlarged sectional view taken along the line 20-20 in Fig. 19,
Figure 1 is a sectional view taken along line 21-21 in Figure 20, Figure 22,
Figure 23 is a front view and plan view showing the assembled state of the connecting wiring tool, and Figures 24 and 25 are 24-24 in Figure 22.
26 is a sectional view taken along the line 26-26 of FIG. 23, FIG. 27 is a partially cutaway side view showing how the lamp is attached to the lighting equipment, and FIG. The figure is a plan view showing how the lighting fixtures are used in parallel connection, and Figures 29 to 31 are explanatory diagrams showing various arrangement layouts of the lighting fixtures. A...Appliance body, B...Connection wiring tool, 12...
...Socket, 13...Wiring code, 14,54...
... Female terminal, 15 ... Stopper protrusion, 18 ... Lamp, 20 ... Cover bushing, 22 ... Insert leg tube, 24 ... Locking protrusion, 25 ... Step part, 28 ...
... Reception window for cable holder, 30 ... Reception window for connected wiring cord, 31 ... Slide guide groove, 33 ... Terminal holder, 34 ... End plate, 35
... Intermediate partition plate, 37 ... Communication hole, 38 ... Terminal clamping piece, 39 ... Three-pronged male terminal, 40 ... Insertion leg, 41 ... Cable holder, 42 ... Hollow shaft cylinder, 43 ... ...Hollow pin, 44...Cables, 45...
... Inclined slope surface, 48 ... Coil spring, 49 ... Ball, 51 ... Cap, 52 ... Insertion hole, 53
...Connection wiring cord, 56...Fixed bracket,
57... Weight.

Claims (1)

[Claims] 1. Hollow pipe type appliance main body A equipped with lamp 18
A pair of left and right connecting wiring tools B are installed as accessories at both ends of the terminal holder 33 and a cable holder 41 in the cover bushing 20 that forms each wiring tool B.
The three-pronged terminal 39 fixedly held by the terminal holder 33 is electrically connected to the wiring cord 13 coming out from the socket 12 of the lamp 18, and the adjacent mutual A wire, string, or other cable 44 is attached to the cable holder 41.
The terminal holder 33 of the wiring tool B is installed in parallel with a plurality of appliance bodies A suspended in the air by the cables 44 and 44 in a penetrating state.
A method for suspending a lighting fixture, which comprises electrically connecting adjacent three-pronged terminals 39 using a connecting wiring cord 53. 2. A hollow cylindrical cover bushing 20 with a bottom, a terminal holder 33 that is inserted and fixed into the bushing 20 in order to cover the top surface of its opening, and a cable holder that receives and passes cables 44 such as wires and strings. 41, and protrudes the insertion leg cylinder 22, which is to be press-fitted from the bottom wall 21 of the cover bushing 20 into the open end of the hollow round pipe type device main body A, and also extends the bushing 20.
A cable holder receiving window 28 is provided in the trunk wall 29 of the
Two types of receiving windows 30 for connecting wiring cords are opened through the terminal holder 33, and a leg 40 inserted into the bottom wall 21 of the bushing 20 and a three-pronged terminal 39 are inserted into the terminal holder 33.
By inserting the legs 40 of the holder 33 into the bottom wall 21 of the bush 20, the three-pronged terminal 39 is fixedly held, and the terminal 39 is connected to the connection wiring cord of the bush 20. The cable holder is inserted through the communication hole 37 of the terminal holder 33 from the cable holder receiving window 28 of the bush 20 in a state perpendicular to the cylindrical core direction of the bush 20. The strip holder 41 is fixedly installed, and the connecting wiring cord 5 is connected from the connecting wiring cord receiving window 30 of the bush 20 to the three-pronged terminal 39.
3. A connection wiring tool for suspending a lighting fixture, characterized in that the connection wiring tool is configured to electrically connect the parts 3 to 3. 3. When the insertion leg tube 22 of the cover bush 20 is press-fitted into the open end of the instrument body A, it is characterized in that it is set so that it can rotate relative to each other by a predetermined fixed angular range. A connection wiring tool for suspending a lighting fixture according to claim 2.