JPH0456401B2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) TECHNICAL FIELD The present invention relates to a wiring device for lighting equipment.

(Prior Art) Conventionally, in fluorescent lamp equipment, for example,
As described in Japanese Utility Model Application Publication No. 59-138109 and Japanese Patent Application Publication No. 60-91501, wiring devices having lighting components such as glow sockets and switches are incorporated into a chassis together with a ballast, and A chassis cover is installed to cover the wiring equipment and ballast.

In this wiring device, a conductive plate having terminals for each lighting component and a lamp terminal is held between an insulating main body and a cover, and a lamp lead wire having a lamp socket is soldered to the lamp terminal of the conductive plate. The structure is such that the main body and cover are fixed by screws, eyelets, or engagement claws.

(Problems to be Solved by the Invention) However, in the above-mentioned conventional wiring device, the lamp lead wires are not held sufficiently against tension, and when tension is applied to the lamp lead wires, the soldered portions are damaged. This has the problem that problems such as disconnection and connection failure are likely to occur.

The present invention is intended to solve the above-mentioned problems, and aims to provide a wiring device that can reliably hold lamp lead wires against tension and that can be automated during manufacturing.

(Means for Solving the Problems) The wiring device of the present invention includes an insulating main body molded from synthetic resin and having a plurality of lighting parts, and a cover molded from synthetic resin that covers this main body. A wiring device in which a conductive plate having terminals for each lighting component and a lamp terminal is held between the conductive plates, and a lamp lead wire of an insulated conductive wire connected to a lamp socket is connected to the lamp terminal of the conductive plate. A lead wire groove into which the insulating covering of the lamp lead wire is inserted and a protrusion corresponding to the lead wire groove are provided in the part, and the core wire of the lead wire groove and the conductive plate are connected to connect the main body and the cover. are joined at their ends by ultrasonic welding, and the protrusion is fixed by biting into the insulating coating of the lamp lead wire in a welded state by ultrasonic welding.

(Function) In the wiring device of the present invention, the main body and the cover are integrally joined by ultrasonic welding, and the insulating coating of the lamp lead wire is also integrated by this ultrasonic welding. The part melts and welds into the protrusion, fixing it as one piece, and the lamp lead wire is held by the protrusion, and even if tension is applied to the lead wire, the connection between the core wire of the lead wire and the conductive plate is unstable. It never happens.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.

Reference numeral 1 denotes a wiring device for a fluorescent lamp device, and this wiring device 1 includes a main body 2, as shown in FIG. The main body 2 has a rectangular substrate 3 integrally formed of thermosetting insulating synthetic resin such as urea resin. As shown in FIGS. 2 to 4, lighting components such as two cylindrical glow sockets 4 and 5 and a cylindrical night light socket 6 are protruded along one side of the lower surface of this board 3. At the same time, a cylindrical switch guide tube 7 is protruded from the middle portion of the other side of the lower surface of the substrate 3, and a plurality of ribs 8 are provided radially around the switch guide tube 7.

Further, as shown in FIG. 4, end walls 9 are protruded from both ends of the upper surface of the substrate 3, and a plurality of lead wire grooves 10 are formed in the end walls 9. A plurality of joint holes 11 are formed through the hole. Further, an upwardly extending portion 12 of the switch guide tube 7 is provided to protrude from the upper surface of the substrate 3, and a plurality of protrusions 13 are radially connected to the outer periphery of the proximal end of this upwardly extending portion 12. Furthermore, a plurality of engagement holes 14 are formed in the substrate 3.

Further, the wiring device 1 includes a conductive plate 21. This conductive plate 21 is made of a thin metal plate material such as brass having a rectangular shape almost the same as that of the main body 2, and a plurality of circuit-shaped conductive bands 22 are integrally punched out from the single plate material, and each conductive band 22 is formed by punching out a plurality of circuit-shaped conductive bands 22. Obi 2
Lamp terminals 23 for two lamps are formed at both ends of the lamp.

Glow terminals 24 and 25 arranged in the two glow sockets 4 and 5 of the main body 2 on the conductive band 22
A night light terminal 26 is formed in the night light socket 6 of the main body 2, and a common annular terminal 26 is formed on the conductive band 22 to fit around the outer periphery of the upper extension 12 of the switch guide tube 7 of the main body 2. A switch terminal 27 and a plurality of changeover switch terminals 28 are provided around the common switch terminal 27. Further, a capacitor terminal 29 and a power supply terminal 30 are provided in the middle of the conductive band 22, and ballast terminals 31 and 32 are provided on both sides of the conductive band 22. Furthermore, a thin cuttable connecting portion 33 is formed between each conductive band 22.

Further, the wiring device 1 is provided with a cover 41. This cover 41 is integrally formed of thermoplastic insulating synthetic resin such as nylon, and has a rectangular cover plate 4 corresponding to the substrate 3 of the main body 2.
2, and at both ends of the lower surface of the cover plate 42 are protrusions 43 facing the respective lead wire grooves 10 of the main body 2, and coupling pins 44 fitted into the respective coupling holes 11.
is installed protrudingly. Further, a cylindrical portion 45 corresponding to the switch of the main body 2 is protruded from the upper surface of the cover plate 42, and a guide groove 46 (FIG. 5) facing the inner wall of the cylindrical portion 45 is formed.

Furthermore, a capacitor storage frame 48 having a notch 47 on both sides at the middle part of the cover plate 42 and a power connector 5 having a locking hole 49 at the lower part of both sides.
0 is provided protrudingly. Furthermore, the cover plate 42
Engagement claws 51 corresponding to the respective engagement holes 14 of the main body 2 are protruded from the lower surface of the main body 2 .

A conductive plate 2 is placed on the upper surface of the substrate 3 of the main body 2.
1 and the upper extension part 12 of the switch guide cylinder 7.
At the same time, a common switch terminal 27 is fitted to the outer periphery of the main body 2, and each changeover switch terminal 28 is positioned between each protrusion 13, and glow terminals 24, 25 and a night light terminal are fitted to the glow sockets 4, 5 and the night light socket 6 of the main body 2. Place 26.

In this state, install the switch mechanism. This switch mechanism includes an upper extension portion 12 of the switch guide tube 7.
an annular contactor 63 that is rotatably fitted on the outer periphery and has a pair of contact pieces 61 and a pair of upward engaging pieces 62; an annular contactor 63 that has upward engaging pieces 62 on both sides of the upper end; Engaging protrusions 6 on both sides of the upper end
A coil spring 66 is fitted into the operating body 65, and an upward engaging piece 62 of the contact 63 is attached to the lower surface of the operating body 65. A rotating element 68 made of insulating synthetic resin having a serrated engagement surface 67 that engages with the operating body 65 is provided, and a flat through hole 69 in the center of the rotating element 68 is fitted into the operating body 65 so as to be freely retractable. match. The through hole 69 of the rotator 68 is formed with enough room to allow the threaded portion of the operating body 65 to pass therethrough.

Then, the lower part of the operating body 65 having the coil spring 66 and the rotator 68 is inserted into the switch guide tube 7, and the rotor 68 is rotatably attached to the outer periphery of the upper end of the upper extension part 12 of the switch guide tube 7. Fits in.

Further, as shown in FIG. 3, a plurality of lamp lead wires 72 each made of an insulated wire are connected to a pair of lamp sockets 71, and the core wire of each lamp lead wire 72 and each lamp terminal 23 of the conductive band 22 are connected to each other. At the same time, the insulating coating of each lead wire 72 is press-fitted into the lead wire groove 10 of the main body 2 and engaged. And this lamp lead wire 72
The connection is made by press-fitting the lead wire into the groove 10, and
Electrical connection is made by tearing the insulating coating of the lamp lead wire 72 with the lamp terminal 23 and letting the lamp terminal 23 reach the core wire.

Next, a cover 41 is placed on the main body 2,
Insert each coupling pin 44 at both ends into each corresponding coupling hole 11 of main body 2, and insert each protrusion 43 at both ends.
is brought into contact with the lead wire 72 in the lead wire groove 10. Then, the operating body 65 is inserted into the cylindrical portion 45, and the engaging protrusions 6 on both sides of the upper end of the operating body 65 are inserted.
4 is engaged with the guide groove 46, thereby forming a switch 70 which is a lighting component.

Furthermore, the capacitor terminals 29 are arranged with respect to the capacitor storage frame 48, and the power supply terminals 30 are arranged with respect to the power supply connector frame 50.

Then, the cover 41 is pressed, each of the engaging claws 51 is engaged with each of the engaging holes 14 of the main body 2, and the cover 41 is attached to the main body 2 while being held between the conductive bands 22. In this state, both ends of the main body 2 and the cover 41 are clamped from the upper and lower surfaces by ultrasonic welders, and the lower ends of each coupling pin 44 are ultrasonically fused to the lower surface of the main body 2, so that the main body 2 and the cover 41 are integrated. join to. This ultrasonic welding melts the press-contact portion of the protrusion 43 of the insulating sheath made of synthetic resin of each lamp lead wire 72, and the protrusion 43 bites into the insulating sheath in a welded state to fix the lamp lead wire 72. .

Then, a capacitor 73, which is a lighting component, is inserted into the capacitor housing frame 48, and its terminal 74 is connected to the capacitor terminal 29. At this time, the capacitor 7 is inserted into the notch 47 on both sides of the capacitor storage frame 48.
3 is inserted, and the capacitor 73 is housed in the capacitor storage frame 48 so that the upper part does not protrude.

Note that each circuit network is formed by cutting the thin connection portion 33 between each conductive band 22. In this way, the wiring device 1 as a unit is constructed. Then, a drawstring 75 is connected to the lower end of the operating body 65.

Further, when the switch 70 pulls the drawstring 75 connected to the lower end of the operating body 65, the operating body 65 descends with its engaging protrusion 64 engaged with the guide groove 46 of the cover 41, and the through hole is opened. The rotator 68, which is fitted with a margin at 69, rotates in accordance with the twist of the operating body 65, and its engaging surface 67 engages with the upwardly facing engaging piece 62 of the contactor 63 to make contact. Rotate the child 63,
When the pair of contact pieces 61 are switched into contact with the changeover switch terminal 28 of the conductive band 22 and the pull string 75 is released, the operating body 65 returns upward by the returning force of the spring 66, and only the rotor 68 is rotated at a predetermined angle and returned to its original position.

Reference numeral 81 denotes a container body, and as shown in FIG. 3, this container body 81 consists of a chassis 82 integrally formed from a metal plate and a chassis cover 83 which also functions as a reflector.

The chassis 82 has a flange 8 on the outer periphery of the lower end.
4 is bent, and a plurality of mounting holes 85 are formed in this flange 84, and an opening 86 is formed in the center of the upper surface, and a cord cover attachment hole 87 and a cord cover are formed on both sides of this opening 86. A mounting hole 88 is provided. A pair of stabilizers 89 and 90 are fixed to both sides of the chassis 82 with the opening 86 in between.
0 has terminals 91, 9 on the inner lower surface as shown in Figure 2.
It has 2. Although not shown, heat radiation holes are appropriately formed on the upper surface and side surfaces of the chassis 82.

As shown in FIG.
A flange 93 slightly wider in the inner diameter direction than 4 is bent and formed, and the chassis 82 is attached to this flange 93.
A plurality of slit-shaped heat dissipation holes 95 are formed along the inner circumference of the flange 93, and a pair of heat dissipation holes 95 are formed on both sides of the flange 93. A lead wire lead-out recess 96 is formed, and a burring edge piece 97 is formed on the upper inner edge of the lead wire lead-out recess 96. Also, chassis cover 8
Socket holes 98, 99, 100 corresponding to the pair of glow sockets 4, 5 and the night light socket 6 of the wiring device 1 are bored on the lower surface of the wiring device 3, and an upwardly recessed portion 101 is formed in the center.
A switch hole 102 corresponding to the switch guide tube 7 is bored in this recess 101 .

Reference numeral 111 denotes a cord cover made of a metal plate with an open bottom. A flange 112 is bent at the outer periphery of the lower end of the cord cover 111, and a cord hole 113 is bored in the center of the upper surface of the cord cover 111. There is. In addition, the above flange 1
Attachment pieces 114 and attachment holes 115 that correspond to the cord cover attachment holes 87 and cord cover attachment holes 88 of the chassis 82 are formed on both sides of the chassis 82 .

In addition, the cord hole 11 of the cord cover 111
A power cord 117 is inserted through the cord holder 116 made of synthetic resin through the power cord 11.
A ceiling 119 having a hook connection piece 118 is connected to the outer end of the power cord 1.
At the tip of 17, attach the power connector frame 5 of the wiring device 1
A connector 120 that plugs into the 0 is attached. This connector 120 has locking claws 121 protruding from the lower portions of both sides, and a removal groove 122 is formed above the locking claws 121.

When assembling, a pair of ballasts 8
Wiring device 1 is installed inside the chassis 82 where 9 and 90 are installed.
The ballast terminals 31, 32 are soldered to the terminals 91, 92 of the ballasts 89, 90, and the wiring device 1 is connected to the lower part of the ballasts 89, 90. Next, a chassis cover 83 is installed oppositely to the lower part of the chassis 82, and the glow sockets 4, 5,
The lower parts of the night light socket 6 and the switch guide tube 7 are arranged opposite to the socket holes 98, 99, 100 and the switch hole 102, and the lamp lead wire 72 of the lamp socket 71 is provided for leading out the lead wire of the chassis cover 83 at the mating surface with the chassis 82. It is led out from the recess 96, and the flanges 84 and 93 of the chassis 82 and the chassis cover 83 are arranged opposite each other and fixed with screws through the respective mounting holes 85 and 94. At this time, the lead wire lead-out recess 9 of the chassis cover 83
The lamp lead wire 72 is protected by the edge piece 97 formed by the burring at 6, and the edge piece 97 can be brought into contact with the inner surface of the chassis 82 and can be easily positioned and installed as a positioning guide between the chassis 82 and the chassis cover 83.

In this way, as shown in FIG.
A storage space is formed, and a power connector frame 50 is made to face this storage space.

Next, insert the power connector 120 together with the tip of the power cord 117 through the opening 86 on the top surface of the chassis 82, insert the power connector 120 into the power connector frame 50 of the wiring device 1, connect it to the power terminal 30, and connect it to the power terminal 30. The locking claw 121 is locked in the locking hole 49 to connect electrically and mechanically,
Furthermore, the cord cover 111 is brought into contact with the upper surface of the opening 86 of the chassis 82, and its engaging piece 114 is engaged with the cord cover engaging hole 87, and is fixed with screws through the attachment holes 115 and 88.

At this time, attach the power cord 117 to the cord holder 11.
6 to adjust the length, and use the excess part as stabilizer 89,
It is stored in the storage space between the wiring device 90 and the wiring device 1.

In this way, the power cord 117 can be easily connected through the opening 86 of the chassis 82 and the internal storage space, and therefore the chassis 89 can be assembled without the power cord 117 attached. By doing so and connecting the power cord 117 later, assembly on an automatic line can be carried out smoothly.

Although not shown, glow lamps are attached to the glow sockets 4 and 5, a night light is attached to the night light socket 6, and the lamp socket 71 is connected to the terminal portion of the fluorescent lamp attached to the chassis 82.

In addition, in this assembled state, the lower end of the operating rod 65 is exposed in the recess 101 of the chassis cover 82, so that the operating rod 65 does not come into contact with external objects during assembly, packaging, or transportation, thereby preventing defects. can be prevented.

In addition, as shown in FIG. 1, the chassis cover 8
Wiring device 1 in which the flange 93 of No. 3 is located inside the chassis 82, and each heat radiation hole 95 in the flange 93 is inside the chassis 82 and is an internal storage component.
The wiring device 1 and the stabilizer 8 are placed outside the stabilizers 89 and 90, and are placed opposite the heat radiation hole 95.
There are no live parts 9 and 90, which prevents contact with live parts from the outside, resulting in high safety.Moreover, no heat radiation holes are formed on the bottom surface of the chassis cover 83, and when a lamp is attached, heat radiation holes are formed from below. 95 is no longer visible, and the design can be improved.

In addition, during repairs, inspections, etc., the power cord 11
7, insert a screwdriver into the concave groove 122 on the side of the power connector 120, bend the side of the power connector frame 50 outward, easily release the locking claw 121, and easily remove the power cord 117. can be separated into

In addition, in the above two-light fluorescent lamp equipment, for example, in a 62W lamp, a 30W and a 32W lamp are used,
For 70W, 30W and 40W lamps are used, one ballast 89 is for 30W, and the other ballast 90 is for 30W.
Available for 32W or 40W. In this case, typically
In order to balance the chassis 82, it is small and light.
The 30W type ballast 89 must be installed toward the outside, and the large and heavy 40W type ballast 90 must be installed toward the center, but because one of the ballasts 89 is located further outside, the size of the chassis 82 is In other words, the minimum radius of the chassis 82 is determined by the weight of the two stabilizers 89 and 90,
The chassis 82 cannot be made smaller.

Therefore, as shown in FIG. 4, the switch 70 of the wiring device 1 is arranged in the center of the chassis 82, and the two glow sockets 4 and 5 and the night light socket 6 are placed in parallel on a straight line of the wiring device 1.
Connect the power connector frame 50 to one small light ballast 8
By arranging it closer to the 9 side, the weight on one side of the wiring device 1 is increased, and one small, light ballast 89 is moved inward in order to balance the balance with the other large and heavy ballast 90. The inner diameter of the chassis 82 can be reduced, and the container body 81 can be made more compact.

In addition, in implementation, the end wall 9 having the lead wire groove 10 and the coupling hole 11 in the wiring device 1
The protrusion 43 and the coupling pin 44 may be provided oppositely on the main body 2 and the cover 41.
and the cover 41 may be provided alternately.

(Effects of the Invention) According to the present invention, the main body and the cover can be integrally joined by ultrasonic welding the main body and the cover molded from synthetic resin, and the lamp lead wire can be insulated by the ultrasonic welding. A part of the covering melts and welds into the protrusion and can be integrally connected to the protrusion, so by holding the lamp lead wire by the protrusion, the lamp lead wire is firmly supported and the lead wire is securely attached. It can be tension-stopped, is safe to use, and is easy to automate because it is held by welders from the top and bottom.

[Brief explanation of the drawing]

Fig. 1 is a partially cutaway side view of a lighting fixture showing an embodiment of the present invention, Fig. 2 is a bottom view of Fig. 1 with the chassis cover removed, and Fig. 3 is an exploded view of Fig. 1. FIG. 4 is an exploded perspective view of the above wiring device, and FIG. 5 is a partially sectional view of the wiring device in an assembled state. 1...Wiring equipment, 2...Main body, 4, 5, 70,
73... Glow socket, switch, capacitor as lighting parts, 10... Lead wire groove, 21...
...Conductive plate, 23...Lamp terminal, 24, 25, 2
7, 28, 29...Terminals for lighting parts, 41...
Cover, 43... Protrusion, 71... Lamp socket, 72... Lamp lead wire.

Claims (1)

[Scope of Claims] 1. An insulating main body molded from synthetic resin having a plurality of lighting parts and a cover molded from synthetic resin covering this main body, and terminals and lamp terminals for each of the lighting parts described above are provided. In a wiring device in which a conductive plate is held between the lamp terminals of the conductive plate and a lamp lead wire of an insulated wire connected to a lamp socket is connected to the lamp terminal of the conductive plate, the insulating cover of the lamp lead wire is inserted into the ends of the main body and the cover. A lead wire groove and a protrusion corresponding to the lead wire groove are provided oppositely, the core wire of the lead wire and the conductive plate are connected, and the body and the cover are joined at the end portions by ultrasonic welding. A wiring device characterized in that a protrusion is bitten into an insulating coating of a lamp lead wire in a welded state by ultrasonic welding and fixed.