JPH0864304A - Electric wire connecting apparatus - Google Patents

Abstract

PURPOSE: To connect a plug receptacle and a plug sufficiently stably without movement of a regulating part even if the regulating part is erroneously touched by inhibiting the movement of the regulating part when an inhibiting part formed at least one of the plug receptacle and the plug enters a process of movement of the regulating part. CONSTITUTION: In an inhibiting part 13, when an operational part 13e of an insertion rod 13b is grasped and the insertion rod 13b inserted into a through hole 13a is moved toward the projected part of an insertion hole 12, one end positioned inside the through hole 13 together with the other end before the movement is positioned inside the projected part 12a of the insertion hole 12. Consequently, the former end part enters the shifting space to a releasing position of a regulating part 22 of a plug 2 and thus the end part regulates the movement of the plug 2. A joining projected part 13f of the insertion rod 13b is joined with a joining recessed part 13d of the through hole 13a and held by the recessed part. In this electric wire connecting apparatus the inhibiting part 13 formed in the plug receptacle 1 enters the process of the movement or the regulating part 22 and the movement of the regulating part 22 is inhibited, so that the regulating part 22 does not move even if the regulating part 22 is erroneously touched and the plug 2 does not come off the plug receptacle.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric wire connecting device for connecting electric wires by inserting a plug into an outlet.

[0002]

2. Description of the Related Art Conventionally, as an electric wire connecting device of this type, FIG.
There is one shown in 5. This one is composed of an outlet A and a plug B having a restriction portion B ₁ for restricting the removal until it moves to a release position and being inserted into the outlet A for connecting an electric wire. .

[0003]

In such a conventional one, since the plug B inserted into the outlet A for connecting the electric wire C is provided with the restriction portion B ₁ for restricting the removal thereof, The plug B cannot be removed from the outlet A until the restriction B ₁ is moved, and the connection is stable.

However, since this compound, the regulating unit B ₁ is restricted only by the movement is released, accidentally regulating unit B ₁
If you touch or move the plug B, it may come off from the outlet A, so it could not be said that the connection was stable enough.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an electric wire connecting device capable of sufficiently stable connection.

[0006]

In order to solve the above-mentioned problems, the invention according to claim 1 has an outlet and a restricting portion for restricting removal until it is moved to a release position. In the electric wire connecting device including a plug to be inserted into an outlet, a blocking unit that can block the movement of the restricting unit by entering the moving space up to the release position is provided in at least one of the outlet and the plug. It has a specific configuration.

According to a second aspect of the present invention, in the first aspect, the blocking portion is provided with holding means for holding the state in which the movement of the regulating portion is blocked.

According to a third aspect of the present invention, in the second aspect, the blocking portion is provided with a biasing means for biasing the blocking portion in a direction opposite to the intruding direction. .

[0009]

According to the first aspect of the present invention, the movement of the regulating portion is blocked when the blocking portion provided on at least one of the outlet and the plug enters the moving process to the release position of the regulating portion.

According to the second aspect of the present invention, the blocking portion comprises:
Since the holding means for holding the state after entering the movement stroke of the regulation portion is provided, the blocking portion that has entered the movement stroke of the regulation portion does not carelessly move in the returning direction.

According to the third aspect of the present invention, the blocking portion comprises:
Since the urging means that urges in the opposite direction to the intrusion direction in the held state is provided, it returns when the holding by the holding means is released.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. This wire connection device is an outlet 1
, Plug 2.

The outlet 1 is made of a molding material such as plastic and has a substantially rectangular parallelepiped shape.
An insertion hole 12 having a substantially convex shape in a plan view for inserting is provided. A female contact (not shown) is provided in the insertion hole 12, and when the plug 2 is inserted, the male contact (not shown) provided in the plug 2 is joined to the female contact.

Further, a blocking portion 13 that can block the movement of a later-described restriction portion 22 of the plug 2 is provided on the side of the convex portion 12a of the insertion hole 12. Specifically, the blocking portion 13 includes a through hole 13a penetrating from the outer surface 14 of the outlet 1 to the convex portion 12a of the insertion hole 12 and an insertion rod 13b inserted into the through hole 13a.
It consists of and. An operation hole 13c cut out from one end 11 communicates with this through hole 13a.
An engagement recess 13d is formed at a position substantially opposite to c.
The insertion rod 13b is formed in a substantially round bar shape, and has a rectangular parallelepiped operation portion 13 protruding from the operation hole 13c from one end to the other end.
e is provided, and the engaging recess is provided on the opposite side of the operating portion 13e.
Engagement protrusions 13f that form the holding means 3 together with 13d are provided.

Further, the outlet 1 has an uneven portion formed on the end surface from the central portion to the other end, and the concave portion serves as the wire connecting portion 15 to which the wire 10a drawn from the cable 10 is connected. The electric wire connecting portion 15 is appropriately connected to the female contact inside.

Like the outlet 1, the plug 2 is made of a molding material such as plastic and has a substantially rectangular parallelepiped shape.
21 and a rectangular rod-shaped restricting portion 22 that obliquely protrudes from one end to the other end of the plug body 21, and the cable 20 accommodating the electric wire 20a is led out from the other end of the plug body 21. There is. Since the electric wire 20a is appropriately connected to the male contact internally, the electric wire 20a is connected to the electric wire 10a via the female contact joined to the male contact. When one end of this plug 2 is inserted into the insertion hole 12,
The restriction portion 22 is appropriately locked to the inside of the convex portion 12a of the insertion hole 12 so that the restriction portion 22 is prevented from coming off. In this removal restriction, the restriction part 22 moves to the release position toward the plug body 21
It continues until you move.

Next, a description will be given of a procedure for preventing the removal restriction from being released by the blocking unit 13. Grasp the operating part 13e of the insertion rod 13b and move the insertion rod 13b inserted into the through hole 13a toward the convex portion 12a of the insertion hole 12.Before it moves, it is located inside the through hole 13a together with one end. The other end of the plug 2 is located inside the convex portion 12a of the insertion hole 12 and enters the moving space 23 to the release position of the restricting portion 22 of the plug 2, which prevents the plug 2 from moving. It comes to regulate. The state that regulates this movement is the insertion rod.
The engaging protrusion 13f of 13b is engaged with and retained by the engaging recess 13d of the through hole 13a.

In such an electric wire connecting device, the blocking portion 13 provided in the outlet 1 enters the movement path of the regulating portion 22 to prevent the regulating portion 22 from moving, so that the regulating portion 22 is erroneously formed. If you touch the
Will not come off from the outlet 1 and can be connected sufficiently stably.

Further, the blocking portion 13 is a moving space 23 of the regulating portion 22.
Since the holding means 3 for holding the state after entering the blocking portion 13 is provided, the blocking portion 13 that has entered the moving path of the regulating portion 22
Does not move carelessly in the return direction, and a more stable connection can be made.

Next, a second embodiment of the present invention will be described below with reference to FIG. The members having substantially the same functions as those in the first embodiment are designated by the same reference numerals, and only the differences from the first embodiment will be described.

In the first embodiment, the blocking portion 13 is provided only on one side of the convex portion 12a of the insertion hole 12, whereas in the present embodiment, the blocking portion 13 is provided on both sides. It is composed.

In this wire connecting device, the blocking portion 13
Are provided on both sides of the convex portion 12a of the insertion hole 12, the movement of the restriction portion 22 can be prevented more reliably than in the first embodiment, and the connection is more sufficiently stable. be able to.

Next, a third embodiment of the present invention will be described with reference to FIGS.
It will be described below based on. The members having substantially the same functions as those in the first embodiment are designated by the same reference numerals, and
Only the points different from the examples will be described.

In the first embodiment, the blocking means is provided by the holding means 3.
After the state in which 13 blocks the movement of the restricting portion 22 is released, the blocking portion 13 is manually restored to its original state, whereas in the present embodiment, the blocking portion 13 is provided. It is configured to be restored by the biasing means 4 provided.

Specifically, the outlet 1 has an operation hole 13c.
A communication hole 13g is cut out from one end 11 to communicate with the through hole 13a between the outer surface 14 and the outer surface 14, and a communication rod 13b inserted into the through hole 13a communicates with the operation portion 13e and the other end. An engagement protrusion 13h having a substantially triangular cross section that can protrude from the hole 13g is provided. This engaging projection 13h is provided with the holding means 3 together with the operation hole 13c.
The insertion rod 13b is formed with a gentle inclination on one end side so that the insertion rod has elasticity and can be sunk.
A cut 13j is provided in 13b. Also, the through hole 13
Near the other end of a and the approximate center of the insertion rod 13b, the locking protrusions 13k,
13m each provided, spring member (biasing means)
4 is locked between both locking protrusions 13k and 13m.

Next, a procedure for preventing the removal restriction from being released by the blocking unit 13 will be described. Grasp the operating portion 13e of the insertion rod 13b, and insert the insertion rod 13b inserted into the through hole 13a toward the convex portion 12a of the insertion hole 12 to engage the protrusion.
When the 13h is pushed and moved so that it sinks, the other end, which was located inside the through hole 13a together with one end before it was moved, is now located inside the convex portion 12a of the insertion hole 12, and 2 Moving space 23 to the release position of the control unit 22
It will invade and regulate the movement of plug 2. In the state in which this movement is restricted, as shown in FIG. 8, the compressed spring member 4 is urged to return, and the engagement protrusion 13h of the insertion rod 13b is engaged with the inner edge of the operation hole 13c of the through hole 13a. And held.

Next, a procedure for canceling the above-mentioned removal restriction by the blocking unit 13 will be described. Operation part 13 of insertion rod 13b
Grab e and insert the insertion rod 13b that has been inserted through the through hole 13a.
When the engaging projection 13h is pushed so as to sink toward the convex portion 12a of 12, the compressed spring member 4 returns to its original state by the urging force that tries to return.

Next, a fourth embodiment of the present invention will be described below with reference to FIG. The members having substantially the same functions as those in the third embodiment are designated by the same reference numerals, and only different points from the third embodiment will be described.

In the third embodiment, the spring member 4 is locked between the locking projections 13k and 13m, whereas in the present embodiment, the through hole 13a is formed to be small on the insertion hole 12 side. Steps that change the inner diameter of the opening and the outer diameter of the insertion rod 13b
It is configured to be locked between 13n.

Next, a fifth embodiment of the present invention will be described below with reference to FIG. The members having substantially the same functions as those in the third embodiment are designated by the same reference numerals, and only different points from the third embodiment will be described.

In the third embodiment, the spring member 5 is locked between the locking projections 13k and 13m, whereas in this embodiment, the opening on the outer surface 14 side is formed in the through hole 13a. It is configured to be fixed between the closed inner wall surface and one end of the insertion rod 13b.

In any of the wire connecting devices of the third to fifth embodiments, in addition to the effect of the first embodiment, the blocking portion 13 is biased in the direction opposite to the intrusion direction while being held. Since the spring member (biasing means) 4 is provided, the spring member returns when the holding by the holding means 3 is released, and thus the labor of removing the plug from the outlet can be reduced as compared with the first embodiment. .

Next, a sixth embodiment of the present invention will be described below with reference to FIGS. 11 to 14. The members having substantially the same functions as those in the first embodiment are designated by the same reference numerals,
Only the points different from the first embodiment will be described.

In the first embodiment, the blocking unit is the outlet 1
However, in the present embodiment, the plug 2 is provided.

More specifically, the blocking portion 24 is provided on the outer contour of the plug body 21 facing the regulating portion 22 in the plug 2, and has a groove portion 24a formed with a large area deeper than the opening and the groove portion 24a. It has a wide portion 24b engaging with 24a and a sliding portion 24d having a narrow portion 24c and sliding in the groove portion 24a.

Next, a description will be given of the procedure for preventing the removal restriction from being canceled by the blocking unit 24. If the narrow portion 24c of the sliding portion 24d is grasped and moved toward the other end of the groove portion 24a, it will enter the movement space 23 of the plug 2 up to the release position of the restricting portion 22 and the movement of the plug 2 Comes to regulate.

In such an electric wire connecting device, the plug 2
Since the blocking portion 24 provided in the intruder enters the movement path of the regulating portion 22 and blocks the movement of the regulating portion 22, the regulating portion 22 is erroneously
Even if you touch 22, the regulation part 22 does not move, the plug 2 will not come off from the outlet 1, and you can make a stable connection.

Although the first to sixth embodiments are all used for connecting information wires for transmitting information, the same applies to wire connecting devices used for connecting other wires as well as information wires. The effect of can be produced.

[0039]

According to the first aspect of the present invention, when the blocking portion provided on at least one of the outlet and the plug enters the movement process of the regulation portion, the movement of the regulation portion is blocked, so that the regulation portion is erroneously formed. Even if you touch, the regulation part will not move and the plug will not come off the outlet, so you can make a stable connection.

According to the second aspect of the present invention, since the blocking portion is provided with the holding means for holding the state after entering the movement stroke of the regulation portion, the blocking portion which has entered the movement stroke of the regulation portion is It does not move carelessly in the return direction, and the connection can be made sufficiently more stable than in the first aspect.

According to the third aspect of the present invention, since the blocking portion is provided with the biasing means for biasing the blocking portion in the direction opposite to the intrusion direction in the retained state, it is restored when the retaining by the retaining means is released. Therefore, the labor of removing the plug from the outlet can be reduced as compared to the second aspect.

[Brief description of drawings]

FIG. 1 is a perspective view of a first embodiment of the present invention.

FIG. 2 is a partial perspective view showing the vicinity of the blocking portion of the above outlet.

FIG. 3 is a front view of the above.

FIG. 4 is a side view of the above.

FIG. 5 is a front view of the second embodiment of the present invention.

FIG. 6 is a partial perspective view showing the vicinity of a blocking portion of an outlet according to a third embodiment of the present invention.

FIG. 7 is a partial cross-sectional view showing the vicinity of the blocking portion of the above outlet.

FIG. 8 is a partial cross-sectional view showing a compressed state of the above spring member.

FIG. 9 is a partial cross-sectional view showing the vicinity of a blocking portion of an outlet according to a fourth embodiment of the present invention.

FIG. 10 is a partial cross-sectional view showing the vicinity of the blocking portion of the outlet according to the fifth embodiment of the present invention.

FIG. 11 is a perspective view of a plug according to a sixth embodiment of the present invention.

FIG. 12 is a side view of the above plug.

FIG. 13 is a plan view of the above plug.

FIG. 14 is a perspective view of a sliding portion of a blocking portion of the above plug.

FIG. 15 is a perspective view of a conventional example.

[Explanation of symbols]

 1 Outlet 13 Blocking part 2 Plug 22 Restricting part 23 Moving space 24 Blocking part 3 Holding means 4 Spring member (biasing means) 10a, 20a Electric wire

Claims (3)

[Claims] 1. A wire connecting device comprising: an outlet; and a plug having a restricting portion for restricting removal until it is moved to a release position, the plug being inserted into the outlet for connecting an electric wire, to a release position. An electric wire connecting device, characterized in that a blocking portion capable of blocking the movement of the restricting portion by penetrating into the moving space of the plug is provided in at least one of the outlet or the plug. 2. The electric wire connecting device according to claim 1, wherein the blocking unit is provided with a holding unit that holds a state in which the movement of the restriction unit is blocked. 3. The electric wire connecting device according to claim 2, wherein the blocking unit is provided with a biasing unit that biases the blocking unit in a direction opposite to the intrusion direction while being held.