JPH09204941A - Wire connecting tool and connecting adapter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate a connecting work by providing a frame, a nipping body provided on the frame, a recessed groove for fitting a wire, and a tapered surface for facilitating the insertion of the wire. SOLUTION: A wire connecting tool 10 is fixed, and a wire is connected to a terminal part 19. The tip of a wire 20 to be connected to the wire connecting tool 10 is brought into contact with the tapered surfaces 17, 17 of nipping bodies 13, 13 and pushed thereto. Then, the nipping bodies 13, 13 are pushed against a spring 15 and mutually expanded, and the wire 20 is inserted into recessed grooves 16, 16. When the wire 20 is left after insertion, the nipping bodies 13, 13 are pushed by the spring 15 to nip the wire 20, and holds this state. At this time, the wire 20 strongly contacts the recessed grooves 16 so as to be nipped in two positions of the section within each recessed groove 16. Further, when the wire 20 is removed, the wire 20 can be pulled out only by pushing the tips of the nipping bodies 13, 13 by a screw driver.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric wire connector for connecting an electric wire for electric power or a signal and a connecting adapter for connecting an electric wire to this terminal.

[0002]

The conventional electric wire connector conventionally used is to fix electric wires with screws. For this reason, the screws may loosen due to vibration, temperature change, secular change, and the like, which may cause poor contact, resulting heat generation, and noise. In addition, since the screw is handled in the wiring work, it is difficult to work in a high place or a narrow place.

Therefore, the present invention aims to improve these disadvantages and realize an electric wire connector which can be connected simply by inserting an electric wire and which can maintain a contact state in a stable and reliable manner. It is intended.

The present invention also provides a connection adapter for adapting a wider range of electric wires when using the electric wire connecting device.

[0005]

The present invention comprises a frame,
Two or more holding bodies that are movable by being guided by a slope provided on this frame, are directed toward the outside of the frame, are advanced by a spring in the direction of the front end, and are urged to join each other at this time. Is formed on a part or all of the joint surfaces of the sandwiching body, and a groove is formed to fit the wire when the wire is inserted from the tip, and the groove is formed at the tip of the groove.
An electric wire connector having a tapered surface that facilitates insertion of an electric wire.

According to another structure of the present invention, a frame and a slope provided on the frame are guided and movable.
The tip is directed toward the outside of the frame, is advanced by the spring toward the tip, and is formed on one or both of the holding body urged by the spring to join to one surface of the frame and the joining surface of the holding body and the frame. And a concave groove into which the electric wire is fitted when the electric wire is inserted from the tip.

Further, the present invention provides the above-mentioned claim 1.
Or in 2, the concave groove has a substantially V-shaped cross-sectional shape,
It includes an electric wire connector adapted to come into contact with an electric wire at two points in a cross section.

Further, according to the present invention, the front portion is made of a rod-shaped body,
The rear part is made of a thin-walled pipe body, and includes a connection adapter adapted to be connected to the electric wire by inserting the tip of the electric wire into the pipe body and crushing it from the outer periphery.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention shown in the drawings will be specifically described below.

1 to 3 show a first embodiment of the electric wire connecting device of the present invention.

In this electric wire connector 10, the frame 1
1 has a substantially rectangular parallelepiped outer shape, and FIG.
3 is a slope 1 inclined so that the left side is close to each other
It has 2,12. Two holding bodies 13 and 13 are provided in the frame 11, and are guided by the slopes 12 and 12, respectively, and are movable in the left and right directions in FIGS. It should be noted that the pins 14 and 14 are loosely inserted in the upper and lower portions in the figure in the two holding bodies 13 and 13, and therefore the two holding bodies 13 and 13 are loosely inserted.
Can move toward and away from each other, but move as a unit to the left and right. Further, each holding body 13 is made to project from the frame 11 with its tip facing leftward, is pushed from the rear portion by the spring 15, advances to the left, and is biased by the slopes 12, 12 so as to be joined to each other at this time.

A concave groove 1 is formed on the joint surface of each holding body 13, 13.
6 and 16 are provided, respectively, and the concave grooves 16 and 16 have a substantially V-shaped cross section. Furthermore, these concave grooves 16,
Tapered surfaces 17 and 17 are formed at the tip of the taper 16 to expand the tip.

A lid 18 is attached to the rear end of the frame 11 to close the frame 11. The lid 18 supports the rear end of the spring 15 and has a terminal portion 19 on the rear portion.

The holding bodies 13, 13, the spring 15, and the lid 18 are
Both are made of a conductive material, and are electrically connected from the holding body 13 to the terminal portion 19 of the lid.

The electric wire connector 10 having the above-described structure is used and operates as follows.

The wire connector 10 is fixed and the terminal portion 19
An electric wire (not shown) is connected to by soldering or the like. The tip of the electric wire 20 to be connected to the electric wire connector 10 is brought into contact with the tapered surfaces 17, 17 of the holding bodies 13, 13 and pushed. In this case, the holding bodies 13 and 13 are pushed against the spring 15 and spread out, so that the electric wire 2o is inserted into the concave grooves 16 and 16. After inserting the electric wire 20 to an appropriate depth in this way and then leaving it to stand, the spring 15 holds the holding body 13,
13 is pushed to pinch the electric wire 20 and hold that state. At this time, since the electric wire 20 has a substantially V-shaped cross-section in each groove 16, the wire 20 makes a strong contact so as to be sandwiched at two points of the cross-section. When removing the electric wire 20, the ends of the holding bodies 13 and 13 may be pushed in with a screwdriver or the like and the electric wire 20 may be pulled out.

4 to 6 show a second form of the electric wire connecting device of the present invention.

In this electric wire connector 30, the frame 3
The outer shape of 1 is a substantially rectangular parallelepiped, and as shown in FIGS.
Has a slope 32 that is inclined so that the left side is lowered. The one holding body 33 is provided in the frame 31, is guided by the slopes 32 and 12, and is movable in the left-right direction in FIGS. Further, the sandwiching body 33 is made to project from the frame 31 with the tip end directed to the left side, is pushed from the rear part by the spring 34, and advances to the left, and at this time, the slope 32
Is urged so as to be bonded to the lower inner surface 35 of the frame 31.

A concave groove 36 is provided on the joint surface of the holding body 33, and the concave groove 36 has a substantially V-shaped cross section. Further, a taper surface 37 is formed at the tip of the groove 36 to widen the tip. A chamfer 38 is formed at the tip of the lower inner surface 35 of the frame 31.

A lid 39 is attached to the rear end of the frame 31 to close the frame 31. The lid 39 supports the rear end of the spring 34 and has a terminal portion 40 at the rear portion.

The holding body 33, the spring 34, and the lid 39 are all made of a conductive material, and are electrically connected from the holding body 33 to the terminal 40 of the lid.

The electric wire connector 30 has the above-described structure, and is used and operates as follows.

The electric wire connector 30 is fixed and the terminal portion 40
An electric wire (not shown) is connected to by soldering or the like. The tip of the electric wire 41 to be connected to the electric wire connector 30 is brought into contact with the tapered surface 37 and the chamfer 38 of the holding body 33 and pushed. In this way, the holding body 33 is pushed against the spring 34, is separated from the lower inner surface 35 of the frame 31, and is recessed.
The electric wire 41 is inserted therein. When the electric wire 41 is inserted to an appropriate depth in this way and then left as it is, the holding body 33 is pushed by the spring 34, and the electric wire 41 is held between the lower inner surface 35 and the holding state. At this time, since the electric wire 41 has a substantially V-shaped cross section of the concave groove 36, the electric wire 41 is strongly contacted so as to be sandwiched at a total of three points, that is, two points of the groove and one point of the lower inner surface in the cross section. When removing the electric wire 41, the tip of the holding body 33 is pushed in by a screwdriver or the like.
Just pull out.

In the above embodiment, two or one sandwiching body is provided, but a configuration in which three or more sandwiching bodies are provided is also possible. Further, the concave groove may be provided on the entire joint surface as in the first embodiment, or may be provided only on a part of the joint surface as in the second embodiment. The cross-sectional shape can be any shape, but as described above, when it is formed into a substantially V shape,
A good point of contact can be obtained by making point contact with the electric wire at two points on the cross section.

In the above embodiment, the electric current flows from the holding body through the spring, to the lid and the terminal, but it is also possible to flow from the holding body to the frame and provide the frame with the terminal. Needless to say.

As is apparent from the above-mentioned method of use, in this wire connector, the wire must be rod-shaped in order to push the wire to be connected into the holding body. Specifically, a single wire, or a plurality of thin wires fixed by solder or the like is used. Further, in order to make it easier to use an electric wire composed of a large number of thin wires in the electric wire connecting tool, it is preferable to use a connecting adapter described below.

FIG. 7 shows one form of the connection adapter of the present invention.

The connecting adapter 50 has a rod-shaped body 51 at the front portion and a thin pipe body 52 at the rear portion. The whole is made of a conductive material such as metal.

The connection adapter 50 is used as follows.

First, the tip of an electric wire 53 consisting of a large number of thin wires to be connected to the pipe body 52 is inserted and crushed from the surroundings with pliers or the like to connect and fix the electric wire. In this way, the rod-shaped body 51 of the connection adapter connected to the electric wire is inserted and connected to the tip of the holding body of the above-described 9 electric wire connection tool 10, 30.

[0031]

As described above, the electric wire connector of the present invention has the following features.
Since it can be connected just by inserting the tip of the wire,
The connection work is extremely easy and the work efficiency is excellent, making it suitable for work in high places and narrow spaces. Furthermore, since the electric wire is elastically clamped and held by the spring, the electric wire is not loosened by temperature change and vibration, and a stable connection state can be maintained for a long period of time. Also, it is easy to remove the electric wire.

By using the connection adapter of the present invention, the electric wire connecting device can be easily used even for an electric wire composed of a large number of thin wires.

[Brief description of drawings]

FIG. 1 is a side sectional view of a first embodiment of an electric wire connector according to the present invention.

FIG. 2 is a front view of the same embodiment.

FIG. 3 is a side sectional view showing a state in which electric wires of the same form are connected.

FIG. 4 is a side sectional view of a second mode of the electric wire connector of the present invention.

FIG. 5 is a front view of the same embodiment.

FIG. 6 is a side sectional view showing a state in which the electric wire of the same shape bear is connected.

FIG. 7 is a side sectional view of one form of the connection adapter of the present invention.

[Explanation of symbols]

10 ... Electric wire connector, 11 ... Frame, 12 ... Slope, 13
... pinching body, 14 ... pin, 15 ... spring, 16 ... concave groove, 17
... taper surface, 18 ... lid, 19 ... terminal part, 20 ... electric wire. 3
0 ... Wire connector, 31 ... Frame, 32 ... Slope, 33 ...
Clamping body, 34 ... Spring, 35 ... Lower inner surface, 36 ... Recessed groove, 37
... Tapered surface, 38 ... Chamfer, 39 ... Lid, 40 ... Terminal part,
41 ... Electric wire. 50 ... Connection adapter, 51 ... Rod-shaped body, 5
2 ... Pipe body, 53 ... Electric wire.

Claims (4)

[Claims] 1. A frame and a slanting surface provided on the frame so that the frame can be moved, the tip is directed to the outside of the frame, a spring advances the tip, and at this time is urged to join each other. Two or more holding gaps, a groove formed in a part or all of the joint surfaces of these holding bodies, and a groove into which the electric wire is fitted when the electric wire is inserted from the tip, and a groove formed at the tip of the groove, An electric wire connector having a tapered surface for facilitating insertion of an electric wire. 2. A spring which is movable so as to be guided by a frame and an inclined surface provided on the frame and whose front end is directed toward the outside of the frame and which is advanced by a spring toward the front end and is joined to one surface of the frame at this time. An electric wire connector having a holding body urged by means of the above, and a groove formed on one or both of the joining surfaces of the holding body and the frame and into which the electric wire is fitted when the electric wire is inserted from the tip. 3. The groove according to claim 1, wherein the groove is substantially V
An electric wire connector having a V-shaped cross-sectional shape and being in contact with the electric wire at two points in the cross-section. 4. The front portion is made of a rod-shaped body, and the rear portion is made of a thin pipe body. By inserting the tip of the electric wire into the inside of the pipe body and crushing it from the outer circumference, the electric wire is connected to the electric wire. Connection adapter.