JP2876190B2 - Socket for small light bulb connection - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an easily assembled small-sized light bulb connection socket.

[0002]

2. Description of the Related Art There are many known sockets that can be easily assembled to simultaneously blink a plurality of small light bulbs. Conventionally, in the case of a simple assembling type socket, a terminal plate is crimped to the end of the covered wire and the terminal plate is inserted into the terminal plate engaging hole provided in the socket housing together with the long covered wire. In addition, there has been known a socket in which a conductive nail is formed integrally with a socket fitting for a small light bulb with a base, which pierces a coated wire and conducts.

[0003]

In the case of crimping a covered wire and a terminal plate, the terminal plate to be stripped of the covering of the terminal portion of the covered wire and crimped is pressed into contact with a lead wire drawn from a small light bulb. To this end, it is inserted and fixed to the terminal plate insertion portion provided in the socket housing. In such a means, in order to arrange two wide terminal boards in a small housing suitable for a small light bulb so as not to be short-circuited, first, two covered wires before being crimped to the terminal plates must be fixed inside the housing. Then, the terminal boards are respectively crimped to the ends of the covered wires, and the pulling terminal boards are inserted and fixed to the terminal board insertion portions in the direction in which the covered wires are inserted again. afterwards,
The small light bulb inserted into the bulb base with the lead wire pulled out is inserted into the base housing hole of the housing, which is difficult and time-consuming to assemble.

On the other hand, in the means for crimping the terminal plate to the end of the covered wire and then inserting the terminal plate into the terminal plate engaging hole in the housing, twisting the flat terminal plate in the narrow housing. A complicated assembling is performed, such as inserting, once passing through the housing, and pulling in the original direction so as to be inserted into the terminal plate engaging hole. Therefore, even if you are accustomed to assembling, it takes about one minute for each socket to be assembled, and since the two covered conductors are separated from each other, it is necessary to twist the two covered wires to combine them. Was.

Further, in the case where the socket and the conducting claw are integrally formed, it is more expensive to use a small light bulb with a base and a socket fitting that fits the base than to use a small light bulb without a base. I had to become. In addition, when the end of the covered conductor is inserted into the socket, the positioning of the covered conductor becomes unstable, which makes it difficult to assemble the conductor.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a small-sized light bulb connection socket which is easy to assemble, including inexpensive parts, and a method of attaching and assembling a power supply line. It will not be provided.

[0007]

In order to solve the above-mentioned object, the present invention provides a small light bulb connection socket in which a plurality of disconnection holes are provided at the center of the flat plate width of a flat cable serving as a power supply line, and lead wires are provided on both sides of the disconnection hole. Is assembled so as to conduct the terminal plate pressed into contact with the lead wire of the small light bulb by piercing the cover. That is, two or more wires are arranged in a flat plate shape, and a plurality of portions of the wires arranged in the center in the width direction of the flat plate are cut so as not to be short-circuited, and a flat cable having a broken hole and a small light bulb without a base are provided. A bulb base that fits the bottom and guides the lead wire of a small bulb without a base outward, guides it, a pressure contact surface that is in pressure contact with the lead wire guided by the light bulb base, and a lead wire on the lower edge of the pressure contact surface A pair of terminal plates having conducting claws for conducting the press-contact surface and the conducting wire from the outside of the covering, a terminal plate engaging hole for fitting and locking the pair of terminal plates, and a conducting wire stored and held on the conducting claw side. A cable housing having a base housing hole for fitting a light bulb base, a socket housing, and an engaging portion for engaging a disconnection hole formed in the flat cable are formed at the center, and are formed between the cable holding portion and the cable housing. The conduction claw is It is those more configuration as 圧挟 cable fixing plate so 突差 to conduct respective conductors in a later.

It is also preferable that the flat cable is a sheet film conductor in which a sheet conductor or the like is arranged between two upper and lower plastic films.

[0009]

The flat cable 3 is formed by arranging two or more covered conductors in a flat plate shape, and is disposed at the center in the plate width direction except for at least one conductor wire 4 disposed at the end in the plate width direction. A plurality of portions of the conductive wire 4 are cut with a disconnection hole 6. The periphery of the disconnection hole 6 is surrounded by a conductor, a coating, or the like having no cut portion, and the interval between the cut ends before and after the disconnection hole 6 is always kept constant.

The terminal plate 8 is brought into pressure contact with the lead wire 2 drawn out from the bottom of the miniature bulb 1 without the base, and is pierced from the outside of the covering portion 5 of the flat cable 3 through the conducting claw 11 to form a disconnection hole 6. Thus, the wire is electrically connected to the end of the conductive wire 4 cut.

The cable holding portion 14 is provided below the socket housing 12 and presses the flat cable 3 by the cable fixing plate 16 in which the engaging portion 17 is engaged with the disconnection hole 6 provided in the flat cable 3. . In the process of pressing and pressing the flat cable 3 against the cable holding portion 14, the conducting claws 11 accurately pierce the front and rear of the disconnection hole 6 of the flat cable 3 and conduct.

A pair of terminal plates 8 having conducting claws 11 are engaged with terminal plate engaging holes 13 provided in the socket housing 12 and are brought into pressure contact with the lead wire 2 drawn out to the bottom of the small bulb 1 without the base. Thus, the small light bulb 1 without the base is turned on and off by the power supply applied to the flat cable 3.

[0013]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a socket for connecting a small light bulb according to the present invention. FIG. 1 is an explanatory view of the appearance of the assembled socket for connecting a small light bulb according to the present invention. The small bulb 1 without the base is fitted with the lead wire 2 pulled out from the lower end of the bulb base 7, and the bulb base 7 is fitted into the socket housing 12, and the lead wire 2 and the terminal plate 8 are pressed against each other. I have. The terminal plate 8 is fitted into the socket housing 12 and is pierced into the flat cable 3 through the conductive claw 11 formed at the lower end thereof, thereby conducting the light. Is done.

As shown in FIG. 2, the flat cable 3 is formed by forming three insulated conductors 4 in parallel and cutting the conductor 4 including one central covering portion 5 to form a disconnection hole 6. Are formed. In general, a plurality of small bulbs 1 without bases are used for decoration and blink at the same time, so that a plurality of disconnection holes 6 of the flat cable 3 are formed at regular intervals. The disconnection hole 6 serves as a reference hole for positioning while completely cutting one conductor 4 in the center of the flat cable 3. FIG. 2 shows an example in which three insulated conductors 4 are formed in parallel. However, two insulated conductors 4 are formed in parallel, and one is disposed at the center position. It is also possible to arrange a pseudo-cable at one end so that a flat cable 3 in which four or more insulated conductors 4 are formed in parallel is used. It is also good to form the disconnection hole 6 so as to cut the above-mentioned conductive wire 4. In forming the disconnection hole 6 of the flat cable 3, the outer conductor 4
Alternatively, the formation of the pseudo cable is also designed so that the interval between the ends of the center conductor 4 where the flat cable 3 is largely bent and cut in the width direction in the vicinity of the disconnection hole 6 does not greatly change. It is.

FIGS. 3A and 3B show the assembled state of the socket housing 12 and the flat cable 3. FIG. Terminal plate engaging holes 13 are formed on the lower facing wall surfaces of the fitting holes 21 provided in the socket housing 12 so as to be opposed to each other in the longitudinal direction of the flat cable 3. It is fitted and locked from below. A conductive claw 11 is formed at the center of the lower edge portion 10 of the terminal plate 8, and the center conductor 4 except for the conductor 4 including at least the outermost covering portion 5 of the flat cable 3 is connected to the covering portion 5. It protrudes from the outside, makes mechanical contact, and makes it electrically conductive. The cable holding portion 14 is provided on the lower surface of the socket housing 12 and engages the flat cable 3. Here the cable holding part 1
4, a cable fixing plate 16 engages the engaging portion 17 with the disconnection hole 6 of the flat cable 3, and
Are fitted via locking pawls 18 so as to pinch them.

The position of the disconnection hole 6 and the longitudinal direction of the flat cable 3 in the engagement portion 17 and the locking claw 18 of the cable fixing plate 16 correspond to the terminal plate 8 provided inside the socket housing 12.
The vicinity of the end of the disconnection hole 6 and the conductive claw 11 formed on the terminal plate 8 are aligned. Therefore, the flat cable 3 is connected to the socket housing 12.
Can be easily assembled so as to be electrically connected to the terminal plate 8 from below.

3 (a) and 3 (b), the locking claw 18 is provided on the cable fixing plate 16, but the locking claw 18 may be provided in the base housing hole 15 of the socket housing 12, or It is also good to form a locking claw 18 that meshes with both sides.

In the upper part of the socket housing 12, a base housing hole 15 for housing the base 7 from which the lead wire 2 of the small bulb 1 without the base is drawn out from the lower end is housed from above.
Is provided. When the bulb base 7 is fitted into the base accommodating hole 15, the lead wire 2 is brought into pressure contact with the pressure contact surface 9 formed in the terminal plate 8, and is simultaneously energized together with another small bulb 1 without a base, which is connected in series. Is done.

The central conductor 4 disconnected by the disconnection hole 6 of the flat cable 3 connected to the terminal plate 8 and the small light bulb 1 without the base, and the outer uncut conductor 4 have one end. By connecting the other part to an outlet or the like, connection can be made to all the bulbs at the same time.

[0020]

As described above, in the present invention, the positioning of the flat cable 3 with respect to the socket housing 12 is facilitated by forming the disconnection hole 6 in the set of flat cables 3.

The positioned flat cable 3
On the other hand, since the pair of terminal plates 8 are simultaneously inserted and made conductive, the operation can be simplified and the operation time can be reduced.

Conventionally, in some cases, the use of ten or more covered wires makes it difficult to handle, and even for an electric wire which is complicated in management, only one flat cable 3 can be used, so that it is easy to handle. Also, there is an effect that the assembly management becomes easy.

[Brief description of the drawings]

FIG. 1 is an explanatory view of an external appearance of an assembly of a socket for connecting a small bulb according to the present invention.

FIG. 2 is an explanatory view of a flat cable according to the present invention.

FIG. 3 is an explanatory view of assembling a socket housing and a flat cable.

[Explanation of symbols]

 1 small light bulb without base 2 lead wire 3 flat cable 4 lead wire 5 covering portion 6 disconnection hole 7 lamp base 8 terminal plate 10 lower edge of terminal plate 11 conduction claw 12 Socket housing 13-terminal board engaging portion 14-cable holding portion 15-base storage hole 16-cable fixing plate 17-engaging portion 18-locking claw 21-fitting portion

Claims (2)

(57) [Claims] 1. A flat cable formed by arranging two or more conductive wires on a flat plate and a bottom portion of a small bulb without a base, and a lead wire of the small bulb without the base is drawn out and guided. A light bulb base, a pressure contact surface which is press-contacted to a lead wire guided by the light bulb base, and a conductive claw which penetrates the above-mentioned conductor from the outside of the covering and penetrates the pressure contact surface to the conductor at a lower edge portion of the pressure contact surface. A pair of terminal plates, a terminal plate engaging hole for fitting and locking the pair of terminal plates, a cable holding portion for housing and holding a conductive wire on the side of the conductive claw, and a base housing for fitting the above-mentioned bulb base. A small light bulb consisting of a socket housing having a hole is connected in series via a conductor, and at the same time, in a simple assembling type small light bulb connection socket that blinks, two or more conductors of the flat cable described above are connected. In order not to short-circuit a plurality of conductors arranged on the flat plate and arranged at the center in the width direction of the flat plate, a copper wire is completely cut so as to be also a reference for positioning to form a window-shaped breaking hole, A cable fixing in which a conducting claw pierces and cuts the conductive wires cut before and after the disconnection hole between the flat cable and the cable holding portion formed at the center of the engagement portion engaging with the disconnection hole of the flat cable so as to conduct. A small light bulb connection socket characterized by comprising a plate. 2. The small light bulb connection socket according to claim 1, wherein the flat cable is a sheet film conductor in which a sheet conductor or the like is disposed between two upper and lower plastic films. Socket for connection.