JPS594454Y2 - tanshi sochi - Google Patents

Description

[Detailed description of the invention] This invention allows the lead wire to be electrically connected to the terminal and mechanically held by simply pushing and pulling the push button with the insulated lead wire inserted. This invention relates to a terminal device that can be removed.

Conventional terminal devices strip the end of the lead wire, insert the exposed conductor into a hole in a metal body, or wrap it around a screw, and then tighten the screw to connect electrically and mechanically. It was to be fixed.

This terminal device cannot be connected with one hand.

A terminal device has been proposed in which an exposed conductive wire portion of a lead wire is clamped between a metal part by a spring action, thereby making an electrical and mechanical connection.

However, in any case, it is necessary to remove the insulating coating from the end of the lead wire, which is troublesome.

This idea connects the lead wires electrically by simply pushing and pulling without removing the insulation coating of the lead wires.
Alternatively, a terminal device that can be removed from this is provided.

According to this invention, an insulating base is provided with a clip made of a pair of metal pieces that protrudes from the insulating base, and a guide body that protrudes in the same direction as the clip but shorter than the clip is provided on the insulating base.

The push button can be moved forward and backward with respect to this guide body in its protruding direction, and at one position of the push button, a lead wire is inserted between the clip and the guide groove formed in the push button, and from this state, the push button can be moved back and forth. By pressing, the lead wire is pushed between the pair of metal pieces of the clip, the sheath of the lead wire is cut by the clip, the clip is electrically connected to the internal conductor, and its state is maintained mechanically. Ru.

Next, an example of the terminal device according to this invention will be explained with reference to the drawings.

As shown in FIGS. 1 to 3 and 14, a guide body 2 is integrally protruded from one surface of an insulating material base 1. As shown in FIGS.

4 and 5 show the state in which the push button 7 is removed, and in this example, the guide body 2 is positioned vertically in FIG. 2 (left and right in FIG. 5).
The clip 3 is held between the upper and lower guide members 2 a and 2 b so as to protrude from the base 1 in the direction in which the guide member 2 projects.

The clip 3 is projected beyond the guide body 2.

As shown in FIGS. 10 and 11, the clip 3 has metal pieces 3 a and 3 b that are close to each other in parallel, and in this example, one end of a single metal plate has a lead wire insertion groove 4 cut along the end surface thereof. The outer end of the groove 4 is widened to form a triangular shape to guide the lead wire into the groove 4, and both sides of the groove 4 are covered with metal pieces 3a.
, 3b, and a terminal 5 is integrally extended at the other end of this metal plate, that is, on the side opposite to the lead wire insertion groove 4.

As shown in FIGS. 1 and 2, this terminal 5 projects from the base body 1 in a direction opposite to the direction in which the guide body 2 projects.

In this way, the clip 3 and the terminal 5 are electrically connected.

As shown in FIGS. 10 and 11, the opposing ends of the metal pieces 3 a and 3 b of the clip 3 have a thin wall with a part on the lead wire insertion groove 4 side that is significantly thinner. Part 29
a, 29 b.

As shown in FIGS. 4 and 5, clips 3 a and 3 b
The plate surface is perpendicular to the arrangement direction of the guide bodies 2a, 2b, and the insertion groove 4 and the guide groove 8 are opposed to each other.

The push button 7 is guided by the guide body 2 and engaged with the guide body 2 so that it can move forward and backward with respect to the base 1 in the direction in which the push button 7 protrudes.

The push button 7 has a square tube shape with one end closed, as shown in FIGS. A part of the guide body 2 is inserted into this guide groove 8, and the push button 7 is guided by the guide body 2 so that it can move forward and backward.

Side wall portions 7a on both sides separated by the guide groove 8 of the push button 7
, 7b are formed with slits 9a and 9b, respectively, as shown in FIG. 9, through which both side edges of the clip 3 are guided.

Further, as shown in FIGS. 3 and 5, protrusions 11 to 14 are integrally formed on the guide body 2 so as to sandwich and guide the side walls 7a and 7b from the left and right sides in FIG.

Moreover, as shown in FIGS. 3, 5, and 6, the side wall portion 7 a
, 7b are formed in the base body 1. Recesses 15 and 16 are formed in the base body 1 into which the end portions of the base members 15 and 7b can be inserted.

A means is formed between the push button 7 and the guide body 2 to temporarily hold the push button 7 in a state farthest from the base 1 and in a state inserted most into the base 1 when moving back and forth.

For example, as shown in FIG.
8b are integrally formed in contact with the protrusions 12, 14, and the claws 19a, 19b are also integrally formed in contact with the protrusions 11, 14 at the portions that are in contact with the opposite surface of the guide groove 8 corresponding to the claws 18a, 18b.
13 and is integrally formed.

On the other hand, as shown in FIG. 7, claws 18 are located near the ends of the surfaces of the side walls 7a and 7b of the push button that face the protrusions 12 and 11, respectively.
Notches 20 and 2 that can be engaged with a, 19 a, respectively
1 are formed respectively, and notches 22 and 23 that can be engaged with the claws 18b and 19b are formed on the surfaces of the side walls 7a and 7b facing the protrusions 14 and 13, respectively, as shown in FIG. It is formed in the middle part of.

Note that the notches 20 and 2 are located at positions corresponding to the notches 22 and 23.
1, the protrusions 12, 1 of the side wall portions 7a, 7b
Cutouts 24 and 25 are formed on the surface facing the claws 18a and 19a, respectively, so as to be able to face the claws 18a and 19a, respectively.

The pawls 18b and 19b engage with the notches 22 and 23, respectively, when the push button 7 is moved in the removal direction relative to the base body 1, but are arranged as shown in FIG. 6 so that they are difficult to engage in the insertion direction. The guide body 2 has a tapered surface such that its claws are retracted as it approaches the end face of the guide body 2.

The claws 18 a and 19 a have a similar shape.

Furthermore, when the push button 7 is moved from the position where it is fully pushed toward the base body 1 side in the direction of pulling it out, the notches 22 and 23 and the claw 18 b
, 19b, the guide grooves 8 of the notches 22, 23 are formed as shown in FIG.
On the side, the corners of the base 1 side are cut off respectively on the subject slope 4
It is said to be 1.42.

Similarly, the corners of the notches 24 and 25 on the guide groove 8 side and on the base body 1 side are made into slopes 43 and 44 that are cut off.

Furthermore, so that a plurality of terminal devices can be connected in sequence, a connecting protrusion 30 is integrally formed on one side of the base body 1, as shown in FIGS. 1 and 3, and both sides of the connecting protrusion 30 The edges are provided with engaging ribs 31 and 32.

On the other hand, the side surface of the base body 1 opposite to the connecting convex portion has a connecting recess 3.
3, and the four portions 33 have slits 1-34 and 35 formed on the end surfaces thereof, into which the corresponding connecting convex portions of other base members are inserted, and the ribs 31 and 32 are engaged at that time.

In the above configuration, as shown in FIGS. 1 and 2, when the claws 18 a and 19 a engage with the notches 20 and 21, that is, when the push button 7 is pulled out from the base body 1,
A space is formed between the inner end of the guide groove 8 and the portion of the clip 3 that guides the lead wire, and the lead wire 37 is passed through this portion.

This lead wire 37 may be left as it is without removing its insulation coating.

In this state, push the push button 7 toward the base 1 and see Figures 12 and 13.
As shown in the figure, the notches 22 and 23 are connected to the claws 18b and 19.
When engaged with b, the guide groove 8
The lead wire 37 is pushed into the lead wire insertion groove 4 of the clip by the inner end of the clip.
, 29 b) The insulation coating of the IJ-do wire 37 is cut and the clip 3 comes into direct contact with the internal conductor.

In other words, the interval between the clips is slightly smaller than the diameter of the lead wire 37.

In this way, the conductor of the lead wire 37 is electrically connected to the terminal 5, and the lead wire 37 is mechanically held by the terminal device.

To remove the lead wire 37 from this state, the lead wire 37 can be easily removed by pulling the push button 7 away from the base body 1 and returning it to the state shown in FIGS. 1 and 2.

As described above, according to the terminal device of this invention, it is only necessary to push the push button 7 toward the base 1 side with the lead wire passed through, and there is no need to peel off the insulation coating of the lead wire, and the electrical connection is achieved. is maintained.

At least one of the base body 1, the guide body 2, and the push button 7 is made of a flexible insulating material, such as nylon, and the claw and the notch engage and disengage during the above operation.

However, due to the above-mentioned notches and claws, the state shown in FIG.
The state shown in Figure 2 can be achieved relatively stably.

Side wall portion 7a of push button 7. If you widen the space between 7b, the notch 20,
21 and the claws 18a, 19a are disengaged and the push button 7 is released.
and the base body 1 can be removed, making assembly work easy.

Incidentally, the engagement by such notches and pawls may be formed on opposite sides of the push button and the base body.

Furthermore, the notches 24 and 25 allow the push button to slide against the claw each time the push button is operated, thereby forming the claw 18a.

19a from being worn out.

As the clip 3, the metal pieces 3a, 3b and the terminal 5 are integrally formed, but the thin parts 29a, 29b
It is also possible to mold a separate piece of thick material into the guide body 2 so that at least one of them is formed integrally with the terminal 5.

[Brief explanation of the drawing]

FIG. 1 is a plan view showing an example of a terminal device according to this invention;
Figure 2 is the front view, Figure 3 is the right side view of Figure 1, and Figure 4 is the front view.
The figure is a plan view of the base body 1 and the guide body 2, FIG. 5 is a right side view thereof, FIG. 6 is a sectional view taken along line AA in FIG. Its bottom view, Fig. 9 is the left side view of Fig. 7, Fig. 10 is a top view of the clip and terminal, and Fig. 1
Fig. 1 is a right side view of Fig. 10, Fig. 12 is a plan view corresponding to Fig. 1 showing another operating position of the push button 7, Fig. 13 is a front view thereof, and Fig. 14 is the same as Fig. 1. FIG. 3 is an exploded perspective view of the illustrated terminal device. 1: Base body, 2: Guide body, 3: Clip, 4: Lead wire insertion groove, 5: Terminal, 7: Push button, 8: Guide groove, 18a, 18
b. 19a, 19b: claws, 20-23: notches.

Claims (1)

[Scope of utility model registration request] A clip consisting of a pair of guide bodies protruding integrally from a base of an insulating material and facing each other, a pair of metal pieces protruding from the base in the direction of the guide between the pair of guide bodies and held by the base; electrically connected to the clip,
A terminal led out from the base body and a guide groove into which the guide body is inserted are formed, and are held by the guide body so that they can be guided by the guide body and moved forward and backward with respect to the base body in the direction in which the guide body projects, and A push button that has a cylindrical shape with one end closed and in which the clip can be located, and a push button that can be engaged with and disengaged from the guide body, and a first and a temporary fixing means capable of temporarily holding the push button in the first position or the second position, and the pair of metal pieces of the clip have their plate surfaces substantially on the same plane,
and are arranged in a direction perpendicular to the arrangement direction of the pair of guide bodies, and a lead wire insertion groove is formed between the metal pieces of these clips,
The width of the lead wire insertion groove is made slightly smaller than the diameter of the core wire of the node wire to be connected, and the lead wire insertion groove at the protruding end of the clip is widened to guide the lead wire between the metal pieces of the clip. The lead wire insertion groove and the guide groove are triangular in shape, and the lead wire insertion groove and the guide groove face each other, and when the push button is in the first position away from the base body than the second position, the projecting end of the clip and the A space into which a covered lead wire can be inserted is formed between the inner end of the guide groove, and when the push button is moved from the first position to the second position closer to the base, the wire is inserted into the space. The arranged covered lead wire is pushed by the inner end of the guide groove and brought closer to the base body, and the sheath of the lead wire is cut by the clip so that the core wire is in contact with the clip. Terminal device.