JP3204921B2 - Wiring connection tool for terminals - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring connecting tool used to connect wiring to a plurality of terminal boards embedded in a terminal unit, a terminal block for various electric devices, and the like.

[0002]

2. Description of the Related Art FIG. 14 shows an example of a terminal unit. The terminal unit U includes a body B, a number of terminal plates T buried in parallel in the longitudinal direction on the upper surface of the body B, and a cover C that covers the terminal plates from above. A connection slit S is formed, and the connection is established by fitting a wire into the slit S (see FIG. 9). The terminal plates T are arranged in two rows in the lateral direction of the body B.
The terminal board pitches are provided with a half shift, so that the wirings L can be connected in parallel.

[0003] Longitudinal direction of body B (parallel direction of terminal plates)
At both ends, a cover locking portion K is provided, and on the cover C, a locking protrusion D is provided corresponding to the locking portion K, and the cover locking portion K and the locking protrusion D are engaged. The cover C is attached to the body B by combining. The work of connecting the wiring L to the terminal unit U as described above has conventionally been performed by an operator pushing the wiring L one by one into the connection slit S of each terminal plate T.

[0004]

As described above, the work of connecting the wires L one by one by a worker is a very detailed work, and it takes a long time and also burdens the worker. Was also very inefficient. In addition, when the wiring L is connected, if the wiring L sometimes overlaps between the body B and the cover C, it is difficult to securely attach the cover C, and there is a risk of disconnection. In addition to the work of fitting the wiring L on the upper surface of the body B, a work of orderly arranging the plurality of wirings L on the upper surface of the body B without overlapping each other is required, and this requires a skilled technique.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and has as its object to connect wires to terminals that can perform the wiring work easily and efficiently without skill. In providing tools.

[0006]

According to the present invention, the following technical measures have been taken in order to achieve the above object. That is, the present invention relates to a wiring connection tool used for inserting and connecting wiring to connection slits formed in a plurality of terminal boards provided side by side in a terminal unit or the like, wherein The wire holding holes correspond to the connection slits of the terminal plate.
A first wiring parallel holder who urchin parallel, slits for connection of the insertion possible and the first wiring parallel holder plurality of wires holding holes that match wire holding hole and the center axis of the wiring said terminal plate
And a tool main body for supporting the first parallel wiring holder and the second parallel wiring holder so that they can move closer to and away from each other in the axial direction of the wiring. The first and second wiring parallel holding bodies are formed so as to open respective first and second wiring holding holes .
When the second wiring parallel holding member is separated, the terminal is provided between the two.
Forming a space for inserting the unit,
When the wiring parallel holding body approaches,
Connects each wiring holding hole facing the wiring in the axial direction
It is characterized in that it is configured to

When wiring is connected to a terminal plate of a terminal unit using such a wiring connecting tool, first, first and second wires are connected.
The wiring parallel holding bodies are brought as close as possible to connect the wiring holding holes of both the holding bodies. Then, after each wiring is manually inserted into the wiring holding hole and penetrated, the first wiring parallel holding body and the second wiring parallel holding body are moved so as to be separated from each other in the axial direction of the wiring. At this time, a plurality of wires are bridged between the two holders in an orderly parallel manner, and a space for inserting the terminal unit is formed between the two holders.

Next, when the terminal unit is inserted and positioned between the separated first and second wiring parallel holding bodies, the wiring holding holes are made to correspond to the connection slits of each terminal plate of the terminal unit. That is, each wiring inserted into the wiring holding hole corresponds to the wiring slit. Then, the wires are pushed into the connection slits at the corresponding positions, whereby the wires are connected to the terminal plate in an orderly parallel manner, and the wires are connected by opening the wire holding holes of the first and second wire holders. Remove the removed terminal unit from the connection tool.

[0009] By such an operation, wiring connection can be performed easily and accurately without requiring a skilled technique, the operation becomes extremely easy, and the operation efficiency is improved. The second wiring parallel holding body is provided with two wirings in the wiring parallel direction.
An end protrudes toward the first wiring parallel holding body and the
1, in front of the terminal unit inserted between the second wiring parallel holding bodies
Form a positioning member for positioning in the parallel direction
When the first and second wiring parallel holding bodies are approached, the position is determined.
The deciding members are both of the first wiring parallel holding body in the parallel direction.
It can be configured to be disposed on the side. The above-mentioned tool main body includes a frame to which the first wiring parallel holding member is fixed, and the second wiring parallel holding member provided on the frame and capable of moving toward and away from the first wiring parallel holding member. And a guide member for guiding and supporting the first and second wiring parallel holding bodies with a simple structure.

The first and second wiring parallel holding members are divided into an upper member and a lower member so that the wiring holding hole is formed between the upper and lower members. The lower member is detachably connected by a connecting tool, or the upper member and the lower member are rotatably connected to one end of the wiring holding hole in the juxtaposed direction of the wiring holding holes, and the other end is freely detachable by the connecting tool. It is preferable to connect to In any case, it is possible to immediately open the wiring holding hole and remove the terminal unit connected to the wiring from the connection tool. In particular, when one end of the upper and lower members is pivotally connected, the upper and lower members are connected at one end even when the wiring holding hole is opened, which is preferable in preventing loss of these members.

Further , it is possible to provide a fixing means for maintaining a state in which the terminal unit is inserted and positioned between the first and second wiring parallel holding bodies , whereby the wiring can be accurately mounted on a terminal plate of the terminal unit or the like. It becomes possible to connect.
Further, the cross-sectional shape of the wiring holding hole can be formed in a circle, a rectangle, or a rhombus.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 to 4 show a first embodiment of a wiring connection tool 1 to a terminal according to the present invention.
4 is suitable for connecting the wiring L to the terminal plate T of the terminal unit U illustrated in FIG.

Hereinafter, the axial direction of the wiring L connected to the terminal unit U will be referred to as the front-back direction, and the direction in which a plurality of wirings L are arranged in parallel will be described as the left-right direction. The wiring connection tool 1 includes a frame 2 made of metal (such as an aluminum alloy), a first wiring parallel holding member 3 fixed to the frame 2, and a guide member 4 fixed to the frame 2. It is mainly composed of a second wiring parallel holder 5 supported so as to be able to approach and separate from the first wiring parallel holder 3 and a fixing screw rod 6 as a fixing means of the terminal unit U.

The frame 2 has a rectangular box shape with an upper end opening, a rectangular terminal unit insertion opening 7 is provided in a bottom plate 2A, and is provided between front and rear walls 2B, 2C at both left and right (longitudinal) ends.
The bar-shaped guide member 4 is detachably mounted by screws 8 and is parallel to the left and right side walls 2D and 2E. The frame 2 and the guide member 4 support the first and second wiring parallel holding members. It constitutes the tool body.

The first wiring parallel holding member 3 is detachably mounted on a lower member 3A fixed to the inner surface of the front wall 2B of the frame 2 by screws 9 and a screw (connector) 10 on the lower member 3A. Wiring holding recesses 11A and 11B are formed in two parts with the connected upper member 3B, and have a number of wiring holding holes 11 extending in the front-rear direction between the opposing surfaces of the upper member 3B and the lower member 3A. They are arranged in parallel with each other.

The wire holding hole 11 is sized to allow a worker to manually insert the wire L, and is provided above the upper end surface of the frame 2 of the tool body. The cross-sectional shape of the wiring holding hole 11 may be any one of a circle, a square, and a rhombus. The length in the left-right direction of the first wiring parallel holding member 3 is selected to be shorter than the interval between the left and right guide members 4 and not to abut on the second wiring parallel holding member 5.

The second wiring parallel holding member 5 includes a lower member 5A having both ends mounted on the guide member 4 via a sliding bearing 12 so as to be movable in the front-rear direction, and a screw ( The upper member 5B detachably connected to the upper member 5B by a connector 13) is formed into two parts, and a large number of wiring holding holes 14 extending in the front-rear direction are provided between the opposing surfaces of the upper member 5B and the lower member 5A. The wiring holding recesses 14A and 14B forming the same number as the holding holes 11 are provided in parallel with each other, and the wiring holding holes 14 are aligned with the wiring holding holes 11 of the first wiring parallel holding body 3 in the central axis. Are installed side by side.

The wiring holding hole 14 is sized to allow a worker to manually insert the wiring L.
It is provided above the upper end surface of the frame 2 of the tool body. The cross-sectional shape of the wiring holding hole 14 is
It has the same shape as the holding hole 11. The left and right ends of the lower member 5A protrude toward the front wall 2B of the frame 2 (the first wiring parallel holding member 3 side) so as not to contact the left and right ends of the first wiring parallel holding member 3. The portion 15 is a positioning member whose left and right facing surfaces 15a are in contact with the left and right ends of the terminal unit U for positioning.

When the first and second wiring parallel holding members 3 and 5 are separated from each other, the distance between the opposing surfaces thereof is slightly larger than the front and rear width of the terminal unit U.
The terminal unit U can be inserted between the second holders 3 and 5, and there is little backlash in the front-rear direction.
The fixing screw rod 6 passes through a hole 16 in the front-rear direction provided in the front wall 2B of the frame 2 and a screw hole 17 provided in the lower member 3A of the first wiring parallel holding body 3 so as to penetrate in the front-rear direction. The terminal unit U, which is screwed and inserted between the first and second holders 3, 5, is directly pressed against the lower member 5 </ b> A of the second parallel wiring holder 5 by the tip of the fixing screw rod 6. It is designed to be fixed.

Next, the procedure for connecting each wiring L to the terminal plate T of the terminal unit U shown in FIG. 14 using the tool 1 of the above embodiment will be described with reference to FIGS. First,
The second wiring parallel holding member 5 of the tool 1 is slid forward to make contact with the first wiring parallel holding member 3 as shown in FIG. 2, and the opposed wiring holding holes 11 and 14 are communicated. Holding hole 11
Are sequentially inserted through the wiring L. When the required number of wires L have been inserted, the second wire parallel holding members 5 are slid backward while the ends of the wires L projecting rearward of the second wire parallel holding members 5 are pressed against the upper member 5B. Then, each wiring L slides in the wiring holding hole 11 of the first wiring parallel holding body 3, and the two holding bodies 3
As shown in FIG. 6, the wirings L are aligned in a planar parallel state between the two holders 3 and 5.

Next, the terminal unit U is inserted from the insertion hole 7 on the bottom surface of the frame 2 into the space between the holders 3 and 5 with the connection slit S of the terminal plate T open upward. After the lower surfaces of the terminal units U are made to coincide with each other, the fixing screw rod 6 is rotated to press the terminal unit U against the second wiring parallel holding member 5 with the screw rod 6 to fix the terminal unit U (see FIG. 7).

At this time, the connection slit S of each terminal plate T is provided.
The position of the terminal unit U in the left-right direction is determined by the positioning member 15 such that the terminals are arranged corresponding to the respective wirings. Further, as shown in FIG. 7, each wiring L abuts on each slit S open end of the terminal plate T (see FIG. 9) and is curved in an upwardly projecting shape. The wire holding holes 11 and 14 of the first and second wire parallel holding bodies 3 and 5 and the slits S are arranged so that the axis of the wire L is aligned with the straight line.
Correspond to the vertical position.

The tool 1 into which the terminal unit U has been inserted and fixed in this way is placed on an adapter 19 mounted on a platen 18 of a press as shown in FIG. Lower the pressing die 21 (punch),
When each wiring L is pushed down and forcibly pushed into the slit S of each terminal plate T (shown by a two-dot chain line in FIG. 7), the coating H of each wiring L is torn (see FIG. 10), and the wire W Terminal plate T
, And the connection is made.

When the connection is completed, the tool 1 is connected to the adapter 19
And the upper member 3B of both wiring parallel holding members 3, 5
5B screws 10 and 13 are removed, and the upper members 3B and 5 are removed.
B is removed as shown in FIG.
Is released, the wiring L is pulled out upward from between the two holders 3 and 5 of the tool 1, the cover C is attached to the terminal unit U, and the wiring connection operation to the terminal plate T is completed.

In addition, the upper members 3B,
5B is completely removed as shown in FIG. 8, and one of the left and right screws 10, 13 is removed, and the other screw 1 is removed.
By unscrewing 0 and 13, the upper member 3B is rotated forward and the upper member 5B is rotated rearward, so that both wiring insertion holes 11 and 14 are opened, and the terminal unit U can be taken out from the tool 1. it can. Further, the cover C may be attached before removing the terminal unit U from the connection tool 1.

FIGS. 11 and 12 show a second embodiment of the present invention. The difference from the first embodiment is that one ends of the upper members 3B and 5B of the first and second parallel wiring holders 3 and 5 are different from each other. To
The lower members 3A and 5A are pivotally connected to each other around an axis parallel to the guide member 4 and the other ends of the upper members 3B and 5B are detachably connected to the lower members 3A and 5A by connecting members. Therefore, the same operation and effect as those of the first embodiment can be expected.

That is, the lower members 3A,
At the left end of 5A, support brackets 22 and 23 are fixed by screws 24, and the left ends of the upper members 3B and 5B are rotatably mounted on the support brackets 22 and 23 via pins 25 and 26 in the vertical direction. Attached, both lower members 3A, 5A
Permanent magnets 27 and 28 are fitted and fixed to the right upper surfaces of the upper and lower members 3B and 5B, and screws 29 and 30 as adsorbing iron pieces are fixed to the lower right surfaces of the upper members 3B and 5B.
And the screws 29 and 30 constitute a connecting tool.

As shown in FIG. 13 (only the holding hole 14 is shown), the wiring holding holes 11 and 14 of the first and second wiring parallel holding bodies 3 and 5 have a rhombic cross section, and the upper and lower members 3A. , 5
A, 3B, 5B opposing surfaces, a mountain-shaped wiring holding recess 14A,
14B are formed. In the present embodiment, in order to position the terminal unit U in the left-right direction,
Although the positioning is performed by hand, the left and right ends of the terminal unit U may be brought into contact with the insertion hole 7 or the guide member 4 formed on the bottom surface of the frame 2 to perform positioning. As in the embodiment, the projecting portion 15 may be formed on the second wiring parallel holding member 5 and used as a positioning member.

In this embodiment, the upper members 3B and 5B are pivoted upward about the pins 25 and 26 (indicated by a two-dot chain line in FIG. 12) to open the wiring holding holes 11 and 14. Although the third embodiment is different from the first embodiment, the other wiring connection points are the same as those of the first embodiment, and thus detailed description is omitted. The present invention is not limited to the above-described embodiment, and can be appropriately changed in design. For example, the connecting tool in the second embodiment is constituted by a permanent magnet and a screw. It is also possible to use screws as shown in the embodiment, or to connect the upper and lower members detachably by inserting and removing pins instead of screws. Conversely, the connection tool using screws shown in the first embodiment may be a permanent magnet or a pin as in the second embodiment.

It is also possible to slidably insert both of the first and second wiring parallel holding members through the guide member so that both can be moved. In addition, the tool main body can be a guide member only without a frame. In this case, the first wiring parallel holding member is fixedly or slidably inserted through the guide member, and the second wiring parallel holding member is inserted. What is necessary is just to slidably penetrate.

In each of the above embodiments, the wiring holding hole 1
The cross-sectional shapes, dimensions and numbers of 1, 14 are set in accordance with the number of terminal boards of terminal blocks of terminal units U and other electric equipment, the thickness of wiring L, etc., and are adapted to the type and size of terminal units. By preparing the tool 1 to be connected, it is possible to easily and efficiently connect the wires to the terminals. Further, in the tool 1 according to the present invention, a plurality of wirings L are arranged in a plane, and a plurality of wirings L are connected to each other at an appropriate position in the longitudinal direction to form a flat strip-shaped wiring group from the single wiring L to the terminal. Can also be used in cases. And the said guide member 4 can employ | adopt another guide means instead of a rod-shaped body.

[0032]

As described in detail above, by using the wiring connection tool according to the present invention, a plurality of wirings can be easily arranged in order and connected to a terminal unit or the like. The wiring connection work can be efficiently performed in a short time without need.

[Brief description of the drawings]

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

FIG. 2 is a perspective view showing a state where first and second wiring parallel holding bodies in the same embodiment are brought close to each other.

FIG. 3 is a front view of the center vertical section.

FIG. 4 is a sectional view taken along line AA of FIG. 3;

FIG. 5 is an explanatory view of a wiring connection procedure in the same embodiment, showing a state in which wiring is inserted into a wiring holding hole of the tool.

FIG. 6 is an explanatory view of the wiring connection procedure, showing a state where a terminal unit is inserted into a tool.

FIG. 7 is an explanatory view of the wiring connection procedure, showing a cross section of a state where wiring is inserted into a slit of a terminal plate by a press machine.

FIG. 8 is an explanatory view of the wiring connection procedure, showing a state where upper members of both wiring parallel holding bodies of the tool are removed.

FIG. 9 is an enlarged front view showing a terminal plate of the terminal unit.

FIG. 10 is a top view of FIG. 9;

FIG. 11 is a plan view showing a second embodiment of the present invention.

FIG. 12 is a sectional view taken along line BB of FIG. 11;

FIG. 13 is an enlarged view taken in the direction of arrow C in FIG. 12;

FIG. 14 is a perspective view showing an example of a terminal unit.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wiring connection tool 2 Frame 3 1st wiring parallel holding body 3A Lower member 3B Upper member 4 Guide member 5 2nd wiring parallel holding body 5A Lower member 5B Upper member 6 Fixing member 11 Wiring holding hole 14 Wiring holding hole L Wiring S Connection Slit T terminal plate U terminal unit

──────────────────────────────────────────────────の Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H01R 43/01

Claims (2)

(57) [Claims] 1. A wiring connection tool used for inserting and connecting wiring to connection slits formed in a plurality of terminal boards provided side by side in a terminal unit or the like, wherein the plurality of wiring boards are capable of inserting wiring. Connect the wiring holding hole to the terminal board
A first wiring parallel holding member juxtaposed so as to correspond to the use slit, a plurality of wiring holding holes that match wire holding hole and the central axis of the wire and the possible insertion of the first wire parallel carrier prior
A second wiring parallel holder arranged side by side so as to correspond to the connection slit of the terminal plate, and a first wiring parallel holder and a second wiring parallel holder are supported so as to be movable close to and away from each other in the axial direction of the wiring. and a tool body that, the first, second wiring parallel holding member is releasably form the respective wires holding hole, this
When the first and second wiring parallel holding members are separated from each other,
Forming a space for inserting the terminal unit,
1. When the second wiring parallel holding body approaches, both
Each wiring holding that abuts and opposes in the axial direction of the wiring
A tool for connecting a wire to a terminal, wherein the tool is configured to communicate with the hole . 2. The parallel wiring holder according to claim 2, wherein the second wiring parallel holding member is configured to connect wiring in parallel.
Projecting toward the first wiring parallel holding member side at both ends in the direction
Terminal unit inserted between the first and second wiring parallel holding bodies
A positioning member for positioning the units in the parallel direction.
Forms are, first, when approaching the second wiring parallel holding member, the position
The positioning member is parallel to the first wiring parallel holding member.
The wiring connection tool for a terminal according to claim 1, wherein the wiring connection tool is provided on both sides in the direction .