JP4124865B2 - Electrical connector with connecting terminals fitted with elastic cages - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an electrical connector, and more particularly to an electrical connector having an elastic cage for receiving a connection conductor.
[0002]
[Prior art]
An elastic cage used for a terminal of this type of electrical connector has a wing part attached to a support part and a wing part for holding a conductor to which a cable or the like is connected. The grip portion is connected to the holding wing portion via a spring-shaped loop portion. The elastic cage has a window part into which the conductor is inserted.
[0003]
[Problems to be solved by the invention]
It is preferable that the type of the connection terminal can be selected depending on the electric appliance. That is, it is preferable that any of a screw-fixed type terminal and a fitting type terminal can be used without changing the connecting piece of the instrument.
[0004]
Therefore, an object of the present invention is to provide an electrical connector that meets the above requirements .
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides an electrical connector having a connection terminal to which an elastic cage is attached, the conductor support portion (12) provided with an elastic cage adjacent to one end thereof, mounting wings fixed to the conductor support (12) and (13a), the loop portion (13c) in the mounting wings gripper that will be connected to (13a) which forms a spring and (13b), the inserted conductor (C) a window part (13d ) for gripping, and an elastic cage (13) forming the conductor support part (12) having a core part (12b) and an opening part (12d). The main conductor (14) has a screw hole connecting piece (14a) coaxial with the opening (12d), and the screw (15). Is inserted into the opening (12d) and into the screw hole (14b). Flip filled-in support (12) a main body (14) so as to fix the conductor supporting portion (12) exhibits a U-shape, on both sides of the core portion (12b), the elastic cage (13) Has a first wing part (12a) attached by the attachment wing part (13a), a second wing part (12c) for guiding the tool (B) and the plug (D), and the loop part (13c). ) And the second wing part (12c), the plug (D) can be inserted .
[0006]
Preferably, the screw has a screw locking means for the supporting portion, and the screw has a screw locking means for the main conductor. Further, the supporting portion and the main conductor are provided with a means for fastening the supporting portion.
[0008]
The first wing portion of the support portion is configured to bend before the screw is attached, and when the elastic cage is attached, the screw can be arranged by being bent at a right angle to the core portion. To do.
[0009]
Further, at least the reinforcing arm portion extends from one wing portion toward the other wing portion in the width direction, and is engaged with the other wing portion via a member.
[0010]
The reinforcing arm can be automatically engaged and locked to other wings.
[0011]
Further, the support portion has a U-shape, and a first wing portion and a second wing portion are formed on both sides of the core portion, and the support portion has an elastic cage with respect to the wing portion. It can be accommodated in close contact in parallel, has a reinforcing arm that connects both wings, and has a sufficient distance to accommodate the plug between the cage loop and the second wing.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.
The electric appliance according to the present invention shown in FIG. 1 has a casing made of an insulating material 10, several terminals A having a cage protected by a part of the casing, and a cover member 11. The terminal A is The conductor support 12 is provided, and a spring cage 13 is provided on the wing 12a. The spring cage 13 includes an attachment wing portion 13a fixed to the wing portion 12a of the support portion, a gripping portion 13b, and a loop portion 13c. The gripping portion 13b constitutes a spring, and a gripping window portion 13d. is connected to the attachment wings 13 a by a loop portion 13c which includes a. The end portion of the attachment wing portion 13a is inserted into and engaged with the gripping window portion 13d. Gripping window 13d are have a edge portion 13e which is pressed against the attachment wings 13a against the opposite side of the blade portion 12a. The gripping window portion 13d is used for gripping at least one conductor C between the edge portion 13e and the wing portion 13a. The wing 12a has a curved or medium-high end 12e, which facilitates insertion into the sprink cage window 13d.
[0013]
The conductor support member 12 has a U shape, and includes the wing portion 12a, the core portion 12b, and another wing portion 12C. The conductor support member 12 is attached to the attachment piece 14a of the main conductor portion 14 at the core portion 12b. This attachment is performed using a screw 15 including a head portion 15a and a screw shaft portion 15b. The head portion 15a has a dish shape as shown in FIGS. 1 and 2, or a flat shape as shown in FIG. The head portion 15a of the screw 15 is pressed against the peripheral edge portion of the opening 12d formed in the core portion 12b, and the screw shaft portion 15b is inserted into the screw hole 14e provided in the connecting piece 14a. The screw hole 14e and the screw 15 can replace the elastic terminal with a terminal having a normal screw grip conductor. The head 15a occupies most of the length of the core portion 12b, so that the height of the screw and the space required for the elastic cage 13 are minimized.
[0014]
The screw 15 is fixed to the conductor support member 12 using a locking means. This locking means comprises a notch or groove 15c formed on the lower side surface of the head 15a (see FIG. 2). Alternatively, as the locking means, as shown in FIG. 3, a special braking screw 15d is provided around the head and immediately below it.
[0015]
Means useful for fastening the screw to the conductor support member 12 include coatings and adhesives. The wing portion 12c extends slightly inclined to be parallel to the wing portion 12a. The wing portion 12c bends the loop portion 13c in order to clear the opening of the window portion 13d , and forms a guide arm for the tool B used when forming the passage of the connecting plug D. The wing part 12a has a curved end part 12j (see FIG. 5).
[0016]
In order to facilitate the assembly of the terminals and to reduce the size, the U-shaped support portion 12 has a shape shown in FIG. 2 in an initial state. For example, when the blade 12a is opened at 45 degrees so that the screw 15 can be inserted into the opening 12d, the screw 15 can be screwed. Before the screw 15 is screwed into the opening, the wing 12a to which the spring cage 13 is attached remains open. Then, after the screw 15 is screwed into the screw hole 14b, the wing part 12a is bent at a right angle to the core part 12. In this way, as shown in the figure, the distance between the wing portions 12a and 12c is reduced.
[0017]
The support part 12 has the arm part 12f, as shown in FIG. 3, FIG. The arm portion 12f extends in the lateral direction of the wing portion 12c. These arm portions 12f are provided with flange portions 12g. The flange portions 12g are folded back on the back surface of the wing portion, thereby preventing deformation of the wing portion 12c when the tool B or the plug D is used. . The support portion 12 maintains a state where the conductor C, the plug D, and the tool B are wide open so that the conductor C, the plug D, and the tool B can be inserted through the openings 11 c and 11 b of the cover 11 so as to face the core portion 12 b.
[0018]
Anti-rotation means is provided to prevent the support portion 12 from rotating relative to the main conductor 14. This anti-rotation means comprises a stopper portion 14c provided on the main conductor 14, and the stopper portion 14c engages with a notch 12i formed in the support portion 12 or a bent bracket 12i. The support part 12 is a plate piece as shown in FIG. 4 in the unfolded state.
[0019]
FIG. 5 shows an embodiment in which the present invention is applied to a double terminal. The spring cage 13 is accommodated in close contact with the support portion 12. One end portion of the bridge-shaped hard arm 16 is on the wing portion 12c, and the shoulder portion 16a on the other end is stretched over the wing portion 12a side, thereby increasing the rigidity of the support portion 12 and the terminal as a whole. . Here, the distance b between the loop portion 13c and the wing portion 12c of the spring cage 13 is a sufficient distance to accommodate the connecting plug D. With such a layout, the plug D to which electric power is input and the output are output. The space required to attach the cable C can be reduced.
[0020]
FIG. 6 shows another modification of the support portion 12. Two elastic cages are accommodated in close contact as shown in FIG. 5, but one cage may be provided. The two arm portions 12f extend from the wing portion 12c toward the wing portion 12a facing the width direction of the cage so that the cage can be fixed when the support portion is closed as indicated by the arrow F1.
[0021]
Each arm portion 12f has a notch 12k (or pin) at the free end, and when assembled (arrow F2), this engages with a notch 12l (or pin) formed on the side surface of the wing portion 12a. It is supposed to be. And once engaged, even if it tries to open the support part 12, it will not come off. That is, when the wing portion 12a is in the open position, the tip of the arm 12f is separated from the wing portion 12a and the cage can be mounted. When the wing 12a is bent and closed, the notch 12k of the arm engages with the notch 12l to lock the cage.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of an embodiment according to the present invention.
FIG. 2 is a side view of the electrical connector during assembly.
FIG. 3 is a side view of a modified example in which a reinforcing arm is provided.
FIG. 4 is a development view of a blank forming a support portion.
FIG. 5 is a perspective view showing another embodiment.
FIG. 6 is a perspective view showing another modification.
[Explanation of symbols]
10 Casing 11 Cover 12 Conductor Support 13 Elastic Cage B Tool C Plug

Claims (8)

An electrical connector having connecting terminals attached to an elastic cage,
A conductor support (12) provided with an elastic cage adjacent to one end;
The attachment wings (13a) which is fixed to the conductor support (12), the loop portion (13c) in the mounting wings (13a) gripping portion that will be connected to the forming the spring and (13b), was inserted A window (13d ) for gripping the conductor (C), and an elastic cage (13) forming
The conductor support part (12) has a core part (12b) and an opening part (12d), and is assembled as a part of the main conductor (14). The main conductor (14) It has a screw hole coupling piece (14a) coaxial with the opening (12d), a screw (15) is inserted into the opening (12d), and is screwed into the screw hole (14b), thereby supporting the support (12) as the main conductor. (14) to fix,
The conductor support part (12) has a U-shape, and on both sides of the core part (12b), a first wing part (12a) to which an elastic cage (13) is attached by the attachment wing part (13a); The tool (B) has a second wing part (12c) for guiding the plug (D) so that the plug (D) can be inserted between the loop part (13c) and the second wing part (12c). An electrical connector characterized by that.   The electrical connector according to claim 1, characterized in that the screw (15) has means for preventing loosening of the screw with respect to the support portion (12).   2. The electrical connector according to claim 1, wherein the screw (15) has means for preventing loosening of the screw with respect to the main conductor (14).   The electrical connector according to claim 1, characterized in that the support portion (12) and the main conductor (14) are provided with means for fastening the support portion (12h, 14c). The first wing part (12a) of the support part (12) is configured to bend before the screw (15) is attached. When the elastic cage (13) is attached, the first wing part (12a) is attached to the core part (12b). the electrical connector according to claim 1, characterized in that to be able to place a screw (15) is bent at a right angle. At least the reinforcing arm portion (12f) extends from one wing portion (12a, 12c) to the other wing portion in the width direction, and engages with the other wing portion via a member (12g, 12k, 16a). The electrical connector according to claim 1 , wherein the electrical connector is configured as described above. The electrical connector according to claim 6 , wherein the reinforcing arm portion (12f) is automatically engaged and locked with another wing portion.   The support part (12) has a U-shape, and a first wing part (12a) and a second wing part (12c) are formed on both sides of the core part (12a). (12) is capable of accommodating the elastic cage (13) in close contact with the wing portion in parallel and has reinforcing arms (12f, 16) for connecting the wing portions (12a, 12c). The electrical connector according to claim 1, characterized in that there is a sufficient distance between the loop portion (13c) and the second wing portion (12c) to accommodate the plug (D).

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