JP2537234Y2 - Wire connection case - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION This electric wire connection box has been created mainly for the purpose of being incorporated in telephone wiring equipment.

[0002]

2. Description of the Related Art Conventionally, the so-called one-touch method of connecting electric wires using spring materials instead of screws is well known, and there are various techniques.

[0003]

The prior art described above is extremely uneconomical in production because the structure for connecting electric wires is limited and parts are different for each wiring device. Further, there are also problems such as the structure of the spring for inserting and locking the electric wire and the structure of the push button for activating the spring, and the workability is poor. The present invention adopts the following means to solve the above-mentioned gantry.

[0004]

That is, first, it is made easy to handle the whole as one part. Secondly,
When installing the spring, use a frame to make a pair of cuts on one of the upstanding pieces of the grooved metal, and fit the curved surface of the spring into this to improve the ease of spring installation and the stability of the spring position. That I tried. Third, the push button incorporating the spring and the operating rod was easily fitted into a small housing. Fourth, the operating rod is provided with an electric wire holding groove in the center of the front of the rod to simplify the structure of the rod. And so on.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention and an example of its use will be described as follows. Housing (A), frame (B), operating rod (C)
And the operating rod (C) and the spring (D) are prepared in the same shape. The housing (A) has side plates (2) and (2) and a partition plate (3) of the same length arranged side by side on both sides and a center of a planar top plate (1) having a planar shape,
A flat rectangular holding hole (H1) is provided on the surface of the top plate (1) at a symmetrical position on both sides of the partition plate (3).
It is drilled in communication with 2), and the side plate (2) of the top plate (1)
A draw-out hole (H3) for a monitor terminal is formed on one side between the and the partition plate (3), and the whole is integrally formed of an insulating material.

The frame metal (B) is formed by bending the groove metal (B1), and the groove metal (B1) has a bottom plate (10) and both upright pieces (1).
1) The U-shaped cross section of (12), the height and the thickness of which are determined to match the space between the side plate (2) and the partition plate (3) of the housing (A).

[0007] In order to fold the center of the grooved metal (B1) in two, the upstanding pieces (11) and (12) on both sides are cut off to a required width to form a series (13) of bottom plates (10). The interval of the series (13) corresponds to the thickness of the partition (3) of the housing (A).

The series (13) of the grooved metal (B1) is bent so that the two bottom plates (10) are parallel to each other with the two bottom plates (10) facing each other. The height of the bent groove metal (B1) is set to a size corresponding to both side plates (2) of the housing (A).

Before and after the operation, the upstanding pieces (11) and (11) on one side of the grooved metal (B1) are each provided with two cuts (S), and both sides of the series (13) are provided on both sides. A terminal (T) and a monitor terminal (MT) protrude from the upper end of the grooved metal (B1).

The operating rod (C) is integrally formed so that the rod (C1) and the push button (C2) having a length to be accommodated in the grooved metal (B1) overlap with each other in a stepwise manner, and are arranged on the front center line of the rod (C1). An electric wire holding groove (20) is provided, and a taper (2) is provided from a required height position behind the rod (C1) to a tip of the frame.
1) is performed, and the end of the frame is formed thin.

[0011] The upper surface of the rod, which is stepped to the push button (C2), is used as a stopper (22).
A groove (23) is formed in the center of the upper surface of the push button (C2), and serves as a groove for a driver used when the push button (C2) is pressed. The operating rod (C) configured as described above is integrally formed of an insulating material.

The spring (D) is curved in a substantially arc shape, and a short bent piece (31) and a long bent piece (32) are bent and extended at both ends of the curved surface (30). This spring (D)
Has a width corresponding to the standing piece of the grooved metal (B1) of the frame metal (B), and is entirely formed of a material having a strong spring property such as phosphorous copper.

The above components are assembled as follows to form an electric wire connection case. That is, the curved surface (3) of the spring (D) is first formed on the cuts (S) for the two raised pieces (11) on one side of the grooved metal (B1) of the frame metal (B).
0), the short bent piece (31) is pressed against the upper end of the standing piece (11), and the long bent piece (32) is pressed against the opposite standing piece (12). The wire holding groove (20) of the rod (C1) of the operating rod (C) is in contact with the 12) surface, and is incorporated into the operating rod (C) and the frame (B), and each taper (21) surface of the rod (C1) The middle of the long bent piece (32) is press-fitted and attached, and each grooved metal (B1) of the frame metal (B) is attached to both side plates (2) and (2) of the housing (A) and the partition plate (3). ), The push button (C2) and the monitor terminal (MT) appear outside from the holding hole (H1) of the top plate (1) and the lead-out hole (H3), and are assembled and accommodated. As a result, an electric wire connection case is formed as one component.

[0014]

When the electric wire (L) is inserted into each connecting portion, the electric wire connection case is pressed down by applying a screwdriver or the like to the groove (23) of the push button (C2) in advance, and the electric wire is communicated with the holding hole. Insert the electric wire (L) into the insertion hole (H2) and insert the electric wire holding groove (20).
When the push button is released after inserting it to the limit, the spring (D)
The operating rod rises due to the spring pressure, and the end of the bent piece (32) is pressed against the electric wire.

That is, when the push button (C2) is inserted up to the insertion limit and is released, the push button (C2) becomes tapered (2) of the rod (C1).
Folded piece (32) of spring (D) pressing against 1)
At the same time, the upper end of the bent piece (32) has been separated from the upstanding piece (12) by the pressure of the push button. In addition, the wire acts as a deterrent in the direction in which the wire is pulled out to prevent the wire from being pulled out.

[0016] In this manner, the outer line and the inner line are simultaneously inserted through the electric wire insertion port (H2) to complete the connection of both lines. When pulling out the insertion wire, the operating rod (C)
, The end of the bent piece (32) of the spring (D) pressed against the electric wire is separated from the electric wire (L), and the electric wire is pulled out without resistance.

A tester is appropriately connected to the monitor terminal (MT) to check the electric current of the wire connection. Stopper (2
In the case of 2), the push button is brought into contact with the back surface of the holding hole (H1) to serve as a stopper at the upper limit position of the operating rod (C).

The above description is an operation specific to the electric wire connection housing, and an example of use of the operation in a security device for a telephone line will be described with reference to FIGS. First, four wire connection cases are prepared, and each terminal insertion hole (E) is formed on the printed wiring board (E).
1) Insert the terminal (T) into the terminal (T), connect the terminal (T) to the printed wiring of the substrate (E) by soldering or the like, and store the assembled substrate (E) in the case (40) of the protector; The bottom cover (41) is fitted to the bottom of the case (40), and the protector is assembled. The protector has holes (42) for holding the wire connection housing on both sides.
(Four (43) are provided to expose the top plate portion of the electric wire connection case to the outside of the case. A through hole (H4) is formed at the center of the case (40), the board (E) and the bottom plate (41). The above example shows the protector, but is used for various other wiring devices.

[0019]

Since the present invention is constructed as described above, firstly, the electric wire connection casing is treated as one part, which is extremely useful for manufacturing various wiring devices. Second, each part is open in shape, which is convenient for automating the assembly of parts. Third,
Since the number of parts is small and the structure is easy to assemble, an extremely advantageous effect is obtained in manufacturing. Fourthly, there is an advantage that even when assembling, there is no work such as screwing or screwing, and only fitting is performed, so that only a single work is required and no skilled person is required. It is an extremely practical device that has excellent effects such as the above, and has a simple structure.

[Brief description of the drawings]

 The accompanying drawings show an embodiment and an example of use of the present invention.

FIG. 1 is an overall front view.

FIG. 2 is a sectional view of a main part of the above.

FIG. 3 is a plan view of a housing.

FIG. 4 is a plan view of a frame.

FIG. 5 is a front view of the same.

FIG. 6 is a side view of the operating rod.

FIG. 7 is a front view of the same.

FIG. 8 is a perspective view of a spring.

FIG. 9 is a sectional view of a protector.

FIG. 10 is an assembled perspective view.

FIG. 11 is a perspective view of a frame.

FIG. 12 is a perspective view of a frame metal at different angles.

[Explanation of symbols]

 A Case 1 Top plate 2 Side plate 3 Partition plate H1 Holding hole H2 Electric wire insertion hole H3 Monitor terminal draw-out hole B Frame B1 Groove 10 Bottom plate 11 Standing piece 12 Standing piece 13 Continuous S Notch T terminal MT Monitor terminal C Operating rod C1 Rod C2 Push button 20 Wire holding groove 21 Taper 22 Stopper 23 Groove D Spring 30 Curved surface 31 Short bent piece 32 Long bent piece

Continued on the front page (72) Inventor Minjiro Suzuki 108-3 Oyama Sayamagahara, Iruma-shi, Saitama Nisshin Electric Works, Ltd. (72) Inventor Toshiro Seki 3-12-15 Chuo, Warabi-shi, Saitama Stock Company Inside Nikko Electric Works (72) Inventor Kazuhisa Eguchi 3-12-15 Chuo, Warabi City, Saitama Prefecture Nikko Electric Works Co., Ltd.

Claims (1)

(57) [Scope of request for utility model registration] 1. A side plate (2) (2) and a partition plate (3) are arranged side by side on both sides and a center of a flat rectangular top plate (1), and the top plate (1) sandwiching the partition plate (3) is provided . A holding hole (H1) and an electric wire insertion hole (H2) communicate with each other at symmetrical positions on both sides, and a monitor terminal lead-out hole (H3) is formed on one side of the top plate (1), and the whole is insulated. Housing (A) integrally molded from material
The center of the grooved metal (B1) composed of the bottom plate (10) and the upright pieces (11) and (12) is connected at a required interval (13), and the bottom plate (10) is folded back and back, and The upstanding piece (11) on the side is provided with cuts (S) at two locations to form a series (1).
A pair of terminals (T) are protrudingly provided on both sides of 3), and grooves (B) are provided.
A monitor terminal (MT) is protruded from the upper end of the standing piece (12) of 1), and a frame (B) formed entirely of conductive metal, a rod (C1) and a push button (C2) are provided. The rod (C1) is integrally formed as if it were aligned, a wire holding groove (20) is formed on the front center line of the rod (C1), and a taper (21) is tapered from a required position behind the rod (C1) to the rod distal end. The upper end of the rod (C1) is used as a stopper (22) and a groove (23) is formed in the center of the upper surface of the push button (C2).
And an operating rod (C) formed of an insulating material as a whole, and a short bent piece (31) and a long bent piece (32) at both ends of a curved surface (30) which are bent in a substantially arc shape. Each of the upright pieces (1) on one side of the grooved metal (B1) of the frame metal (B) is made of a part with a spring (D) formed by drawing out and entirely formed of a spring metal.
The cut (S) for the two pieces made in (1) is formed on the curved surface (30).
The arc edge is fitted and the short bent piece (31) is the upright piece (11)
The long bent piece (32) is pressed against the upright piece (12) on the opposite side.
Spring (D) is assembled into frame (B) by contact
On the other hand, move the operating rod (C) to the wire holding groove (20) side.
The frame piece (B) is assembled in contact with the standing piece (12), and
Each grooved metal (B1) of (B) is attached to both side plates (2) of the housing (A).
Fits in the space between (2) and partition plate (3), and push button (C2)
Is from the holding hole (H1) of the top plate (1) and the monitor terminal
(MT) is shown outside from the outlet hole (H3).
Standing electric wire connection case.