JP2000222997A - Plug-in terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve an assembling property while reducing the number of parts item by providing a selecting terminal for selecting a required conductive bar among plural conductive bars, and forming the selecting terminal so as to be moved from a position of the conductive bar to be connected to a position of other conductive bar along a guide part. SOLUTION: A selecting terminal 3 is drawn by a hand in the direction for releasing a guide projection 30a of the selecting terminal 3 positioned at a positioning part 61b from the positioning part 61b, namely, in the direction for moving the guide projection 30a to a guide part 61. The selecting terminal 3 is slid to the lower end of a slit-like guide part 61 provided in a conductive member 6, and the guide protrusion 30a is pushed into a positioning part 61c. Connecting position of the selecting terminal 3 is moved from a conductive bar B2 to a conductive bar B3, and a plug-in terminal is inserted into a main body 1, and an insulating body 7 is inserted while covering with a cover 2. With this structure, the selecting terminal 3 can be freely connected to the conductive bars B1-B3, and the assembling property into the main body 1 is improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a plug-in terminal used for connecting a circuit breaker to a conductive bar such as a distribution board.

[0002]

2. Description of the Related Art FIG. 4 is a cutaway side view showing a state in which a conventional plug-in terminal is attached to a circuit breaker body.
4A is a left side view, and FIG. 4B is a right side view. FIG.
5 (a) is a left side view, and FIG. 5 (b) is a right side view showing a state in which another conventional plug-in terminal is attached to the circuit breaker main body.

[0004] A conventional plug-in terminal shown in FIG. 4 comprises a main body 1 made of insulating synthetic resin and a cover 2 made of insulating synthetic resin.
, A selection terminal 3 and a contact pressure spring 4. Select terminal 3
Has an invitation portion 3a, bar connection portions 3b and 3c, and a device connection portion 3d, and is made of a thin copper plate or the like. Device connection section 3d is the connecting portion of the circuit breaker main body A of the power supply terminal A ₁ of the connection portion or the power supply terminal A _2, is connected. Bar connection portions 3b, 3c is adapted to be connected by receiving a pressing force by the contact pressure spring 4, for example, conductive bars B ₂ and with the appropriate contact pressure.

In such a plug-in terminal, the first power supply terminal A ₁ of the circuit breaker body A is connected to the first conductive bar B ₁ and the plug-in terminal is connected to the second conductive bar B 1.
And when connected to _2, 2 as well as the type of must constitute what, when connected from the second power supply terminal A ₂ of the circuit breaker main body A to the second conductive bar B ₂ and the third
And when connected to the conductive bar B _3, shall constitute the two types of. Then, the first power supply terminal A ₁
When the second and the power supply terminal A _2, since the terminal height from the bottom surface of the circuit breaker main body A are different, the type of the plug-in terminal is 4 kinds in total, it was unable to reduce the varieties. In addition, the mounting direction of the contact pressure spring 4 to the selection terminal 3 becomes two directions, which are different from each other.

The conventional plug-in terminal shown in FIG. 5 is an example in which the selection terminal 3 and the connection plate 30 are connected by a braided wire 31.
Although it is possible to reduce the number of types of parts by slightly increasing the length of the component 1, it is difficult to assemble the component 1 when incorporating it into the main body 1.

[0006]

That is, in the conventional plug-in terminal, since it is provided in advance at a position corresponding to the conductive bar to be connected, the types according to the combination of the conductive bar to be connected are prepared. Since there is a need for such a plug-in terminal, the number of types of plug-in terminals is several, so that there is a problem that components are apt to be erroneously generated and that the assembly is poor.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide an excellent plug-in terminal capable of reducing the number of parts and having good assemblability. .

[0008]

According to the present invention, in order to solve the above-mentioned problems, according to the first aspect of the present invention, there is provided a method of selecting a necessary conductive bar from among a plurality of conductive bars and connecting them. In the plug-in terminal including a terminal, the selection terminal is movable along a guide portion from a position of one conductive bar to be connected to a position of another conductive bar.

According to a second aspect of the present invention, the guide portion is provided in a conductive member in a slit shape, and a guide projection penetrating the guide portion is provided on the selection terminal. Is characterized in that the guide projection is slidably connected to the conductive member by a spring member with the guide projection penetrating the guide portion.

According to a third aspect of the present invention, the guide portion is provided with a positioning portion for positioning the selection terminal in a state where a position of a conductive bar connecting the selection terminal is selected. And

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a plug-in terminal according to the present invention will be described below in detail with reference to FIGS. FIG. 1 is a cutaway side view showing a state where a plug-in terminal is attached to a circuit breaker main body, and FIG. 1A shows a case where a selection terminal is set to a connection position of a second conductive bar.
FIG. 1B shows a case where the selection terminal is set to the connection position of the third conductive bar. Fig. 2 shows the plug-in terminal
FIGS. 2A and 2B are explanatory views showing a state where the conductive bar and the second conductive bar are connected to each other. FIG. 2A is a front view, and FIG. 2B is a perspective view. FIG. 3 shows the plug-in terminal connected to the first conductive bar and the third conductive bar.
FIG. 3 is an explanatory view showing a state of connection with a conductive bar of FIG.
3A is a front view, and FIG. 3B is a perspective view.

The plug-in terminal includes a main body 1 made of insulating synthetic resin, a cover 2 made of insulating synthetic resin, a selection terminal 3, a spring member 5, a conductive member 6, and an insulating member 7. . The selection terminal 3 is a one-piece, substantially beak-shaped side view formed by sheet metal processing of a phosphor bronze plate or the like having good electrical conductivity and having spring properties, and includes an invitation portion 3a, bar connection portions 3b and 3c,
And a connecting portion 30.

[0013] Bar attachment portion 3b, 3c is formed in a substantially U-shaped with a spring property than the base end portion, the conductive bars B ₁ by a suitable _pressure, B _2, to connect to any one of B ₃ Has been. From the abdomen of the connecting portion 30, a guide projection 30a is formed so as to protrude by a doweling process.
The spring member 5 is crimped to Oa so as to sandwich the conductive member 6.

The spring member 5 has a disc spring shape, and is connected to the connecting portion 30 of the selection terminal 3 and the conductive member with an appropriate pressure so that the selection terminal 3 can slide on the slit-shaped guide portion 61 of the conductive member 6. 6 is kept in contact. The conductive member 6 is formed by processing a copper plate into a sheet metal, and includes a connecting portion 60, a slit-shaped guide portion 61, a first positioning portion 61 a and a second positioning portion 61 b formed by cutting out the guide portion 61. 3 positioning part 61c.

The insulating member 7, the first conductive selection terminal 3 which is disposed at a position to be connected to the bar B ₃ and the second conductive bar B ₂
Between, between the selected terminal 3 which is disposed at a position between the first conductive bar B ₁ that is connected to the second conductive bar B _2, disposed in a position which is connected to the second conductive bar B ₂ Selection terminals 3 and 3
Between the conductive bar B _3, in order to ensure the selection terminal 3 which is disposed at a position connected to the third conductive bar B ₃ the insulation between the second conductive bar B _2, the cover 2 Is held and arranged.

In the plug-in terminal configured as described above, for example, the selection terminal 3 disposed at the connection position of the _second conductive bar B2 is connected to the third terminal by the following procedure. it can be moved in the connection position of the conductive bar B _3. That is, the direction in which the guide protrusion 30a of the selection terminal 3 located in the second positioning portion 61b is released from the position of the second positioning portion 61b, that is, the direction in which the guide projection 30a moves to the guide portion 61,
The user pulls out the selection terminal 3 by hand or the like. Then, the selection terminal 3 is slid to the lower end of the guide portion 61, and the guide projection 30a of the selection terminal 3 is pushed into the third positioning portion 61c. Then, selection terminal 3 will have moved from the second connection position of the conductive bar B ₂ at the connection position of the third conductive bar B _3.

The plug-in terminal is inserted into the main body 1, the cover 2 is covered, and the insulating member 7 is inserted. And
Plug-in terminal is connected to the power supply terminal of the circuit breaker body A, is connected plug into a separating each conductive are disposed boards bar _{B 1, B 2, B 3} .

[0018] During the connection, when the positional deviation between the selected terminal 3 and the conductive bar B ₁ for example has occurred, so that excessive stress is borne to the selection terminal 3. Therefore, in order to alleviate this displacement, each of the positioning portions 61a, 61b,
It is preferable to provide a margin for the selection terminal 61c so that the selection terminal 3 can slightly slide. In addition, the selection terminal 3 can rotate about the guide projection 30a as an axis, and can cope with a slight inclination of the conductive bar.

Therefore, in the selection terminal 3 of the plug-in terminal configured as described above, the conductive bar B ₁ to be connected is connected _.
It is possible to move according to the position of the B _2, B _3,
Even if there are many conductive bars to be connected, only one kind of plug-in terminal can be used. Also, the selection terminal 3 and the conductive member 6
Can be formed as an integrated unit, so that the assemblability to the main body 1 can be improved.

Although the plug-in terminal of the above-described embodiment has been exemplified by a configuration such as a connection conversion adapter that is retrofitted to a circuit breaker, the plug-in terminal of the present invention has a circuit breaker. It goes without saying that the present invention can be applied to those built into the vessel from the beginning.

[0021]

According to the first aspect of the present invention, even if there are many conductive bars to be connected, the selection terminals can be moved in accordance with the positions of the conductive bars. This has the effect of providing an excellent plug-in terminal.

According to the second aspect of the present invention, in addition to the effects of the first aspect of the present invention, there is an effect that an excellent plug-in terminal having good assemblability can be provided.

According to the third aspect of the present invention, in addition to the effects of the first or second aspect of the present invention, an excellent plug-in terminal capable of easily and accurately positioning the selection terminal after sliding. Is provided.

[Brief description of the drawings]

FIG. 1 is a cutaway side view showing a state in which a plug-in terminal according to an embodiment of the present invention is attached to a circuit breaker main body.

FIG. 2 is an explanatory diagram showing a state where the plug-in terminal is connected to a first conductive bar and a second conductive bar.

FIG. 3 is an explanatory diagram showing a state in which the plug-in terminal is connected to a first conductive bar and a third conductive bar.

FIG. 4 is a cutaway side view showing a state where a conventional plug-in terminal is attached to a circuit breaker main body.

FIG. 5 is a cutaway side view showing a state in which another conventional plug-in terminal is attached to a circuit breaker body.

[Explanation of symbols]

3 selection terminal 30a guide projection 5 spring member 6 conductive member 61 guide portion 61a positioning portion 61b positioning portion 61c positioning portion B ₁ conductive bar B ₂ conductive bar B ₃ conductive bar

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tomoyuki Sawada 1048 Kazumasa Kadoma, Osaka Prefecture Matsushita Electric Works, Ltd. (72) Inventor Tetsuyasu Kawamoto 1048 Kadoma Kadoma, Kadoma-shi, Osaka Pref. Matsushita Electric Works, Ltd. DD10 DD23 DD37 HH08 LL04 LL12 LL16 5G016 AA01 CD01 DA26 DA35 5G030 BA02 BA06 BB03 EA00 FA02 FE22 XX07 XX20 YY04

Claims (3)

[Claims] 1. A plug-in terminal having a selection terminal for selecting and connecting a required conductive bar among a plurality of conductive bars, wherein the selection terminal is located between a position of one conductive bar to be connected and a position of another conductive bar. A plug-in terminal characterized by being movable along a guide portion. 2. The guide portion is provided in a conductive member in a slit shape, and a guide protrusion penetrating the guide portion is provided on the selection terminal, and the selection terminal connects the guide protrusion to the guide portion. The plug-in terminal according to claim 1, wherein the plug-in terminal is slidably connected to the conductive member by a spring member in a state where the plug-in terminal is pierced. 3. The positioning section according to claim 1, wherein the guide section is provided with a positioning section for positioning the selection terminal in a state where a position of a conductive bar connecting the selection terminal is selected. Plug-in terminal.