JP3121414B2 - Wire connection device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wire connecting device for connecting a wire made of a stranded wire to a crimp terminal.

[0002]

2. Description of the Related Art The method of connecting electric wires differs depending on whether the conductor of the electric wire is a single wire or a stranded wire.

[0003]

When a single wire is used, there is a problem that it is difficult to route the wire. Also, 1
In the case where the rod-shaped crimp terminal for the core is crimped on a stranded wire and connected to the appliance by the number of the cores one by one, there is a problem that the wire is routed and a hand gap is required for connection.

[0004] The present invention has been made in view of the above points, and has as its object to provide an electric wire connection device for the purpose of easily connecting a wire.

[0005]

According to the present invention, a number of rod-shaped crimp terminals corresponding to a plurality of cores of a stranded electric wire for connection are provided, and a base is crimped to the stranded wire of the electric wire for connection. Box-shaped opening with multiple holes at the bottom for inserting crimp terminals
To form a body, provided the wire to the pair of cover <br/> over to holding the sides integrally with the opening of the main body respectively from both sides, the body
The rod-shaped crimp terminal protrudes outward from each hole side of the
It has a cylindrical portion .

According to a second aspect of the present invention, a seal for indicating the polarity and type of the electric wire is attached to the surface of the cover. Furthermore, in claim 3, a hole for confirming the electric wire is formed in the cover, and a transparent seal is attached to the hole. According to a fourth aspect of the present invention, the pair of covers is formed of a thermoplastic resin, an inner cover formed of a thermosetting resin is provided inside each of the pair of covers , and an inner body disposed in the main body is provided.
The inner body is formed into a box shape with thermosetting resin .
Inserted into each hole of the main body at the bottom of the box-shaped inner body
The cylindrical portion is formed integrally .

According to a fifth aspect of the present invention, holes of the main body are formed in a plurality of straight lines corresponding to a plurality of stranded electric wires, and the intervals between the plurality of holes are made different. Further, in claim 6,
The bottom of the hole through which the conductor of the single wire used as a rod-shaped terminal is inserted according to the number of cores of the single wire for connection
The body is formed with an opening at a plurality bored a box-like, open each body a pair of cover for holding the wire from both sides
Provided integrally with both sides of the mouth and project outward from each hole side of the body
It has a cylindrical portion through which the conductor of the output single wire is inserted .

[0008]

[Operation] Then, the base of the crimp terminal is crimped on the stranded wire of the electric wire, and the plurality of crimp terminals are inserted into the plurality of holes of the main body, respectively.
Both ends of the wire are sandwiched by a cover provided integrally with the main body, so that multiple crimp terminals can be connected to the instrument at one time. Have been able to connect.

According to a second aspect of the present invention, a seal for indicating the polarity, type, etc. of the electric wire is attached to the surface of the cover so that mistakes can be reduced even when the electric wire is replaced or reconnected.
The connection time is shortened. Further, in claim 3,
A hole for confirming the electric wire is formed in the cover, and a transparent seal is affixed to this hole, so that the coating color of the electric wire can be easily confirmed, and connection errors are reduced.

According to a fourth aspect of the present invention, the outer cover is formed of a thermoplastic resin, the inner cover formed of a thermosetting resin is provided on the inner side, and the inner body disposed in the main body is formed of the thermosetting resin. By doing so, heat resistance and impact resistance are improved. According to the fifth aspect, the holes of the main body are formed in a plurality of straight lines corresponding to the plurality of stranded electric wires, and the intervals between the plurality of holes are made different, so that the reverse connection to the appliance is achieved. It can be prevented and the reverse connection can be recognized when inserting the electric wire, so that the trouble of reconnection and disconnection can be saved.

Further, according to a sixth aspect of the present invention, a plurality of holes through which a conductor of a single-wire electric wire used as a rod-shaped terminal is inserted according to a plurality of cores of the single-wire electric wire for connection. By forming the main body and providing a cover that holds the electric wires from both sides integrally with the main body, the crimp terminal can be eliminated,
Further, it is possible to prevent heat generation or the like due to defective crimping of the crimping portion.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an exploded perspective view, and FIG. 2 is a perspective view. In addition, in the case of this embodiment, the case where the electric wire has three cores is shown. Three holes 2 are respectively formed in the main body 1, and a cylindrical portion 3 is integrally formed on the opening side of the holes 2.

Covers 5 and 6 made of an insulating material such as plastic are integrally formed on the upper and lower surfaces of the main body 1 through flat elastic pieces 4 so as to be freely opened and closed. An elastic engagement piece 7 is formed on both sides of the lower cover 5, and an engagement hole 8 into which the engagement piece 7 is inserted and engaged is formed in the upper cover 6. The cover 6 has three holes 9 perforated in accordance with the number of cores of the electric wires. Furthermore, both covers 5,
A concave portion 10 in which the electric wire is located is formed on the inner surface of 6.

The electric wire 11 is a stranded electric wire and has a three-core structure. The crimp terminal 13 for crimping the conductor of the electric wire 11 has a rod shape, and is crimped to the conductor 12 at the base. Thus, the crimp terminal 13 and the conductor 12 of the electric wire 11 are caulked and connected, the crimp terminal 13 is inserted into the hole 2 of the main body 1, the covers 5 and 6 are closed to clamp the electric wire 11, and the engaging piece 7 is inserted into the engagement hole 8 and fitted. This state is shown in FIG.

Accordingly, since the covers 5 and 6 are integrated with the main body 1 in accordance with the core of the connecting electric wire, the connection to the equipment can be made at once, and only the single wire can be used for connection. In addition, since the stranded wire 11 can be connected to the
1 can be easily arranged and the working time can be reduced. (Embodiment 2) Embodiment 2 is shown in FIGS. In this embodiment, the number of cores of the electric wire 11 is two, and the structure is the same as that of the previous embodiment except that the number of holes 2 of the main body 1 is two in accordance with the number of crimp terminals 13. Is omitted.

(Embodiment 3) Embodiment 3 is shown in FIGS. In this embodiment, the number of cores of the electric wire 11 is four, and the number of holes 2 of the main body 1 is set to four according to the number of crimp terminals 13.
Since the structure is the same as that of the previous embodiment except for the following, the description is omitted. (Embodiment 4) FIG. 7 shows an embodiment in which the main body 1 and the covers 5 and 6 have a separate structure.
The connection piece 14 having a U-shape and flexibility is formed integrally with the main body 1.
On the upper and lower surfaces, a groove 15 is formed by two ribs 16, and a connecting piece 14 is slidably inserted into the groove 15 to be connected.

(Embodiment 5) FIG. 8 and FIG.
FIG. 8 shows another embodiment of the connecting method of FIG. 6, in which both covers 5 and 6 are fixed by screws 17. Further, in FIG. 9, an engagement hole 18 is formed in both covers 5 and 6,
A substantially U-shaped engagement fitting 1 whose tip engages with the engagement hole 18.
9 is formed.

(Sixth Embodiment) FIG. 10 shows a sixth embodiment. A recess 20 is formed on the surface of the upper cover 6 and the recess 20 is formed.
A seal 21 indicating the polarity, the purpose of the electric wire, and the like is attached to the inside. In FIG.
The seal 21 is shown with various indications, and it is possible to display which of the three wires is the ground, whether or not it is for feed wiring, and the color of the core of the electric wire.

By sticking, for example, a seal indicating the polarity on the cover 6 in this manner, there is little error in replacement and reconnection of the electric wires, and the connection time can be shortened. Further, even when the electric wire is connected to a joint box or the like, the possibility that the electric wire is accidentally disconnected is reduced. (Embodiment 7) FIG. 12 and FIG.
Shows an example in which a transparent seal 22 is attached to
Although 2 is attached to the surface of the cover 6, it may be attached to the lower surface.

As described above, since the transparent seal 22 is attached to the through hole 9 for checking the electric wire 11, the electric wire 1
The color of the coating 12a can be easily confirmed, and connection errors are reduced. In addition, since the seal 22 is attached, it is possible to prevent foreign matter from entering from outside, and to prevent a short circuit inside and deterioration of components. (Embodiment 8) FIG. 14 shows an embodiment. In this embodiment, the outer covers 5 and 6 are formed of a thermoplastic resin.
6, inner covers 23 and 24 each having a substantially U-shape are arranged inside. The inner covers 23 and 24 are each formed of a thermosetting resin, and are provided on both sides with fitting claws 25 respectively.
Are formed. The claws 2 of the inner covers 23 and 24
5 is formed inside the outer covers 5 and 6 and the claws 25 and 26 are fitted to each other to form the cover 5 and the cover 5.
6, inner covers 23 and 24 are fitted. In addition, inner cover 2
4 is provided with a hole 24a for checking the electric wire.

The inner body 27 having substantially the same shape as the main body 1 of the previous embodiment is also formed of a thermosetting resin, and the holes 28 through which the crimp terminals 13 are inserted correspond to the number of cores of the electric wires 11. There are three perforations. Thus, the inner body 27 is disposed in the main body 1, the cylindrical portion 27a of the inner body 27 is inserted into the hole 9 of the cover 6, and the covers 5 and 6 are closed. The members are arranged to improve heat resistance and impact resistance. The covers 5, 6 and the inner covers 23, 2
4 may be formed by simultaneous molding.

(Embodiment 9) FIG. 15 shows Embodiment 9 in which the outer covers 5, 6 and the inner covers 23, 24 are formed by two layers. In this embodiment, the outer covers 5 and 6 are made of a transparent and thermoplastic resin,
3, 24 and the inner body 27 are made of a thermoplastic resin having excellent heat resistance.

Tenth Embodiment FIGS. 16 and 17 show a tenth embodiment. The distance between the holes 2 is different from that in FIG. In FIG. 16, the hole 2 on the right
a, the middle hole is 2b, and the left hole is 2c. Assuming that the distance between the holes 2a and 2b is a and the distance between the holes 2b and 2c is b, the distance between the two holes 2 is made different from each other as a> b.

FIG. 17 shows a case in which the present apparatus is inserted into and connected to the connection tool 31. An insertion hole 33 into which the crimp terminal 13 is inserted is provided in a concave portion 32 of the connection device 31. The intervals between the three insertion holes 33 are also made different from each other in accordance with the intervals between the holes 2. With this configuration, reverse connection to the connection device 31 can be prevented. In this embodiment, for example, the two crimp terminals 13 are used for power supply, and the remaining crimp terminals 13 are used for grounding. Although the electric wire has a three-core structure, the present invention can be applied to an electric wire having three or more cores.

(Eleventh Embodiment) FIG. 18 shows an eleventh embodiment. In this embodiment, the electric wire 34 is a single-wire electric wire.
Is inserted directly into the hole 2. In this case, the crimp terminal used in the previous embodiment is unnecessary. The types of the electric wires 34 include VVF and VVR electric wires.

[0026]

As described above, according to the present invention, a number of rod-shaped crimp terminals corresponding to the number of cores of a stranded electric wire for connection are provided, and the base is crimped to the stranded wire for connection. Box-shaped opening with multiple holes at the bottom for crimp terminal insertion
That body is formed, it provided the electric wire to the pair of cover holding the sides integrally with the opening of the main body respectively from both sides, the body
A circle that protrudes outward from each hole side and into which a rod-type crimp terminal is inserted
Since it has a cylindrical portion, the base of the crimp terminal is crimped to the stranded wire of the electric wire, a plurality of crimp terminals are respectively inserted into a plurality of holes of the main body, and the cover of the electric wire is provided integrally with the main body. By holding both sides, multiple crimp terminals can be connected to the device at one time, and twisted wire can be connected to places that could only be done with single wire for connection. In addition, there is an effect that the working time can be considerably shortened by the routing of the electric wire.

According to the second aspect of the present invention, a seal for indicating the polarity, type, etc. of the electric wire is attached to the surface of the cover, so that even when the electric wire is replaced or reconnected, mistakes are reduced. Thus, the connection time can be reduced. Also,
Even when the electric wire is connected to a joint box or the like, the possibility that the electric wire is accidentally disconnected is reduced. Furthermore, in claim 3, a hole for confirming the electric wire is formed in the cover, and a transparent seal is affixed to this hole, so that it is possible to easily confirm the coating color of the electric wire and reduce connection errors. You can do it.

Further, in the fourth aspect, the pair of mosquito <br/> bar formed of a thermoplastic resin, the cover inner formed in each <br/> inside of the pair of covers with a thermosetting resin The inner body to be disposed in the main body is provided, and the inner body is formed into a box shape with a thermosetting resin .
By integrally forming the cylindrical portion to be inserted into each hole of the body , heat resistance and impact resistance can be improved. According to the fifth aspect, the holes of the main body are formed in a plurality of straight lines corresponding to the plurality of stranded electric wires, and the intervals between the plurality of holes are made different, so that the reverse connection to the appliance is achieved. Can be prevented.
The trouble of reconnection and disconnection can be saved.

Further, according to a sixth aspect of the present invention, there is provided a box-shaped bottom having a plurality of holes through which a conductor of a single wire used as a rod-shaped terminal is inserted in accordance with the number of cores of the single wire for connection .
In forming a main body having an opening, a a pair of cover for holding from both sides both sides integrally with the opening of the main body each wire of single wire cable projecting outwardly from the respective holes of the main body conductor
Has a cylindrical portion through which the crimping terminal can be inserted , so that the crimping terminal can be omitted, and heat generation or the like due to crimping failure of the crimping portion can be prevented.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an embodiment of the present invention.

FIG. 2 is an overall perspective view of the same.

FIG. 3 is an exploded perspective view when the number of wire cores is two.

FIG. 4 is a perspective view of the same.

FIG. 5 is an exploded perspective view when the number of wire cores is four.

FIG. 6 is a perspective view of the same.

FIG. 7 is an exploded perspective view when the cover is separated from the main body.

FIG. 8 is a perspective view when both covers are screwed.

FIG. 9 is an exploded perspective view when the two covers are connected with an engagement metal fitting.

FIG. 10 is an exploded perspective view when a seal is attached to the cover.

11 (a) to 11 (d) are plan views of stickers showing different displays. FIG.

FIG. 12 is an exploded perspective view when a seal is attached to a hole for checking an electric wire according to the embodiment.

FIG. 13 is a sectional view of the above.

FIG. 14 is an exploded perspective view in the case where a cover is provided inside the above.

FIG. 15 is an exploded perspective view when the outer cover and the inner cover are molded in two layers.

FIG. 16 is a perspective view of the main body when the distance between the holes is different.

FIG. 17 is a perspective view when connecting to the connection device of the above.

FIG. 18 is a perspective view in the case where the single-wire conductor is a single wire.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 hole 5 Cover 6 Cover 9 hole 11 Electric wire 13 Crimp terminal 21 Seal 22 Seal

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Tokio Tanishi 1048 Kadoma Kadoma, Osaka Prefecture Matsushita Electric Works, Ltd. Inventor Takayuki Ikari 1048 Kazuma Kadoma, Kadoma City, Osaka Pref. Matsushita Electric Works, Ltd. (56) Reference JP-A-52-92390 (JP, A) JP-A-46670 (JP, A) JP-A-2-134666 (JP, A) JP-A-56-84278 (JP, U) JP-A-48-106488 (JP, U) JP-A-57-9183 (JP, U) ) Actually open sho 56-13371 (JP, U)

Claims (6)

(57) [Claims] 1. A number of rod-shaped crimp terminals corresponding to a plurality of cores of a stranded electric wire for connection are provided, and a hole for inserting a crimp terminal connected by crimping a base to a stranded wire of an electric wire is provided at a bottom portion. to form a body having an opening at multiple <br/> number bored with a box shape, each opening of the main body a pair of cover for holding the wire from both sides
It provided the integrally with both sides, protrude outwardly from the holes of the main body
An electric wire connection device having a cylindrical portion through which a rod-type crimp terminal is inserted . 2. The electric wire connection device according to claim 1, wherein a seal for indicating the polarity and type of the electric wire is attached to a surface of the cover. 3. A hole for confirming an electric wire is formed in a cover, and a transparent seal is attached to the hole.
The wire connection device according to the above. 4. The pair of covers are formed of a thermoplastic resin, an inner cover formed of a thermosetting resin is provided inside each of the pair of covers , and an inner body disposed in the main body is provided.
The inner body is formed into a box shape with thermosetting resin .
Inserted into each hole of the main body at the bottom of the box-shaped inner body
The electric wire connection device according to claim 1, wherein the cylindrical portion is formed integrally . 5. The electric wire connection according to claim 1, wherein holes of the main body are formed in a plurality of straight lines corresponding to the plurality of stranded electric wires, and the intervals between the plurality of holes are made different. apparatus. 6. A book having a box-shaped opening in which a plurality of holes are formed at the bottom for inserting a conductor of a single-wire electric wire used as a bar-shaped terminal in accordance with the number of cores of the single-wire electric wire for connection. forming a <br/> body, a pair of cover for holding the wire from both sides its
Provided integrally with both sides of the opening of the main body,
Cylindrical part that protrudes outward from the side and through which the conductor of a single wire is inserted
Wire connecting apparatus characterized by having a.