JP2001035596A - Terminal device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display member which does not require large space. SOLUTION: A spring part 41a comprising a plate spring deformed elastically according to the insertion degree of a wire into each quick connecting terminal part 3a and a display member 4a comprising a display part 42a moving according to the elastic deformation of the spring part 41a are provided. The spring part 41a is formed by bending a metal material into an L-shaped form, having an abutting surface part 411a abutting on the conductor wire of a wire on the deep side of a locking spring 32a inside a terminal body 2a at one end side, and elastically deformed according to the insertion degree of the wire into the corresponding fast connecting terminal part 3a, after the wire is inserted into the corresponding quick connecting terminal part 3a, and abutted on the abutting surface part 411a with its conductor wire pinched elastically by a terminal plate 31a and the locking spring 32a. The display part 42a is mounted to the tip part of the other end side of the spring part 41a by fitting the tip part into a slot 421a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a so-called 1
The present invention relates to a terminal device applicable to a switch or an outlet having one or more module sizes.

[0002]

2. Description of the Related Art Conventionally, a terminal member of this type is sometimes provided with a display member as an indicator for indicating a connection state of an electric wire to a terminal plate, and there are rotary and latch type display members. By providing a display member on the terminal device in this manner,
Since the connection state of the electric wire to the terminal board is known, operations such as unnecessary insertion of the electric wire are prevented.

[0003]

However, in the case of a rotary display member, if it has a plurality of poles, it becomes a separate part, and the assemblability and the like deteriorate. In addition, a large space is required. Similarly, in the case of a latch-type display member, if it has a plurality of poles, it becomes a separate part, the assemblability is deteriorated, and a large space is required. In the case of a rotary display member, there is also a problem that the color is changed only during operation, and the change is poor and difficult to understand.

[0004] The present invention has been made in view of the above circumstances, and has as its object to provide a terminal device having a display member that does not require a large space.

[0005]

According to a first aspect of the present invention, there is provided a terminal device comprising a terminal body, a terminal plate and a locking spring, which are accommodated in the terminal body. And a display member including a spring portion that elastically deforms in accordance with the degree of insertion of the electric wire into the quick connection terminal portion, and a display portion that moves in accordance with the elastic deformation of the spring portion.

In this configuration, since the display member is constituted by the spring portion and the display portion, the display member does not require a large space.

In the terminal device according to the first aspect,
The spring portion is bent into an L-shape having an abutting surface portion at one end on the back side of the locking spring inside the terminal main body, which is in contact with the electric wire, and inserts the electric wire into the quick connection terminal portion. Then, after the wire abuts on the contact surface portion in a state where the wire is elastically held by the terminal plate and the locking spring, the wire may be elastically deformed in accordance with the degree of insertion of the wire into the quick connection terminal portion. Good (claim 2). In this structure, when the display unit moves, it becomes apparent that the electric wire has been properly connected to the quick connection terminal unit.

Further, in the terminal device according to the second aspect,
The display portion is located at a tip portion on the other end side of the spring portion,
The terminal body may have a structure having a display hole for projecting the display unit to the outside (claim 3). In this structure, when the display unit moves in the direction hidden by the display hole, it becomes apparent that the electric wire has been properly connected to the quick connection terminal unit.

Further, in the terminal device according to claim 2, the spring portion is made of a metal material, and the display portion is made of an insulating material, and is attached to a tip portion on the other end side of the spring portion. It may have a structure (claim 4). In this structure, when the display unit moves, it becomes apparent that the electric wire has been properly connected to the quick connection terminal unit.

Further, in the terminal device according to any one of claims 1 to 3, the display member may have a structure integrally formed of an elastic plastic material. In this structure, since the display member is one component,
An increase in the number of parts is suppressed.

The terminal device according to any one of claims 1 to 5, further comprising a plurality of the display members, wherein the plurality of display members are connected to each other via an insulating connecting portion inside the terminal body. (Claim 6). According to this structure, the positioning of the display member is facilitated.

The terminal device according to any one of claims 1, 2, 3, and 5, wherein a plurality of the display members are provided, and the plurality of display members may be integrally connected inside the terminal body. Item 6). According to this structure, the display member can be easily assembled.

Further, in the terminal device according to any one of claims 1 to 7, the display portion may have a structure formed in an L-shape (claim 8). According to this structure, the visibility of the display unit is improved.

Further, in the terminal device according to claim 8,
The terminal body may have a structure having a retreating part of the display part. In this structure, when the display unit is retracted to the retreat unit, for example, the display unit is hidden and becomes invisible, so that a change in the movement of the display unit can be easily understood.

Further, in the terminal device according to claim 2,
The display unit is located at the other end of the spring unit, the terminal body has a window hole for exposing the display unit, and the display unit is exposed from the window hole as the spring unit elastically deforms. The structure may be such that the portion to be enlarged is large. According to this structure, it is possible to eliminate the protrusion of the display member from the terminal body.

According to a tenth aspect of the present invention, a notch or a hole is formed at a position corresponding to the window at the other end of the spring before the spring is elastically deformed. It may have a structure (claim 11). According to this structure, a change in the presence or absence of the display unit in the window hole can be easily understood.

Further, in the terminal device according to any one of the first to eleventh aspects, the display unit may be structured to be colored in a predetermined color. According to this structure,
The visibility of the display section is improved.

The terminal device according to any one of claims 10 to 12 may have a structure in which a lens is mounted in the window hole. According to this structure, the visibility of the display unit is improved.

Further, in the terminal device according to any one of the first to thirteenth aspects, the display part may have a structure formed of a thermoplastic resin. According to this structure, positioning and assembling become easy.

Further, in the terminal device according to any one of the first to fourteenth aspects, the terminal main body may have a structure formed of a thermoplastic resin. According to this structure, positioning and assembling become easy.

In the terminal device according to any one of the first to fifteenth aspects, a hole or a notch smaller than the outer diameter of the conductor wire of the applicable electric wire is formed in a portion of the contact surface portion that comes into contact with the electric wire. (Claim 16). According to this structure, the operator can recognize that the inserted electric wire has a smaller diameter than the applicable electric wire, so that it is possible to prevent the use of an electric wire having a smaller diameter than the applicable electric wire.

The terminal device according to any one of claims 1 to 16, further comprising a plurality of said display members, wherein each display portion of said plurality of display members has the same voltage pole as another display portion of the same polarity. It may be a colored structure.
7). According to this structure, it is easy to distinguish the voltage pole.

Further, claims 1 to 9, 12 and 14 to
17. The terminal device according to any one of claims 17, wherein a projecting length of the display member from the display hole before inserting the electric wire into the quick connection terminal portion is a strip length of the electric wire. Item 18). According to this structure, the stripping distance of the sheath of the electric wire is easily understood.

[0024]

FIG. 1 is a cross-sectional view showing a terminal device according to a first embodiment of the present invention, FIG. 2 is a diagram showing a state where an electric wire is inserted into the terminal device shown in FIG. 1, and FIG. FIG. 4 is a perspective view showing a display member according to an embodiment, and FIG. 4 is a cross-sectional view thereof. The first embodiment will be described below with reference to these drawings.

The terminal device 1a shown in FIG. 1 is, for example, a so-called one module size switch or outlet which is embedded in a wall or the like via a mounting frame or the like.
Body 2 formed of an insulating material such as a thermoplastic resin
1a and a terminal body 2a comprising a cover 22a, and a terminal plate 31a and a locking spring 3 made of a metal material, like a conventional switch or outlet.
The terminal main body 2a includes a plurality of quick-connecting terminal portions 3a each having the 2a, a release button 5a for releasing the engagement of each quick-connecting terminal portion 3a with the electric wire, and the like.

Other configurations similar to those of the conventional switch or outlet are well known, and therefore description thereof will be omitted. The configuration which is a feature of the first embodiment will be described. Electric wire W to 3a
The display device further includes a spring portion 41a formed of a leaf spring elastically deformed according to the degree of insertion of the spring member (see FIG. 2), and a display member 4a formed of a display portion 42a that moves according to the elastic deformation of the spring portion 41a.

The spring portion 41a has an L-shaped contact surface portion 411a at one end (the left end in FIG. 1) which is in contact with the conductor CW of the electric wire W on the inner side of the locking spring 32a inside the terminal body 2a. It is formed by bending a metal material (see FIG. 3), in a state where the electric wire W is inserted into the corresponding quick-connecting terminal portion 3a and the conductor wire CW of the electric wire W is elastically held by the terminal plate 31a and the locking spring 32a. After contacting the contact surface 411a, the wire W is elastically deformed in accordance with the degree of insertion of the electric wire W into the corresponding quick connection terminal 3a. Here, inside the cover 22a of the terminal main body 2a, the tip of one end of the spring portion 41a is attached to the locking spring 3a.
A protruding portion 221a for pressing is formed on the back side of 2a.

The display portion 42a is a molded product made of an insulating material such as a thermoplastic resin, for example, and as shown in FIG. 4, a groove 421a into which the other end of the spring portion 41a is fitted.
have. The display part 42a is attached to the tip part by fitting (press-fitting) the tip part on the other end side of the spring part 41a into the groove 421a. Here, in the body 4a of the terminal main body 2a, a display hole 212a for projecting the display portion 42a to the outside is formed near the corresponding wire insertion hole 213a for the quick connection terminal portion 3a, and in the example of FIG. Has been established.

Next, the operation of each display member 4a, which is a feature of the first embodiment, will be described. First, the electric wire W is connected to the quick connection terminal 3
1, the display member 4a corresponding to the quick connection terminal portion 3a is in a state where the display portion 42a protrudes from the display hole 212a to the outside of the terminal body 2a as shown in FIG. Has become.

In this state, when the conductor wire CW of the electric wire W is inserted from the electric wire insertion hole 213a, the conductor wire CW is
It is elastically clamped by 1a and the lock spring 32a, and thereafter comes into contact with the contact surface 411a of the display member 4a. When the electric wire W is further inserted, the spring portion 41a of the display member 4a is elastically deformed in accordance with the degree of insertion of the electric wire W.
The display part 42a moves and hides inside the terminal body 2a according to the elastic deformation of 1a (see FIG. 2). In this state, FIG.
As can be seen from FIG.
a. That is, when the display portion 42a of the display member 4a is hidden inside the terminal main body 2a, it can be understood that the conductor wire CW of the electric wire W is securely connected to the quick connection terminal portion 3a.

In the state shown in FIG. 2, the tip of one end of the display member 4a is sandwiched between the projection 221a of the cover 22a and the back of the locking spring 32a to serve as a fulcrum. Since the urging force corresponding to the deformation is acting in the direction of pushing the display portion 42a to the outside, if the release button 5a is pressed and the electric wire W is pulled out, the state returns to the state of FIG.

As described above, since most of the display member 4a is a leaf spring, a large space is not required, and the display portion 42a itself moves to be visible and hidden, so that the effect of saving the space and easy to understand the change can be obtained.

FIG. 5 is a sectional view showing a terminal device according to a second embodiment of the present invention, FIG. 6 is a perspective view showing a display member of the second embodiment, and FIG. FIGS. 4A and 4B are views showing a state of storage in a storage device, and the second embodiment will be described below with reference to these drawings.

The terminal device 1b shown in FIG.
And a plurality of quick-connecting terminal portions 3a, etc., in the same manner as in the first embodiment, and is different from the first embodiment in that it is elastically deformed according to the degree of insertion of an electric wire into each quick-connecting terminal portion 3a. A display member 4b is formed by integrally forming a spring portion 41b and a display portion 42b that moves in accordance with the elastic deformation of the spring portion 41b, for example, from a plastic material such as a thermoplastic resin.

The spring portion 41b is bent in an L-shape having an abutment surface portion 411b on one end side, which is in contact with the conductor of the electric wire, at the back of the locking spring 32a inside the terminal body 2a (see FIG. 6). The electric wire is inserted into the corresponding quick-connecting terminal portion 3a, and the conductor of the electric wire is connected to the terminal plate 31a and the locking spring 32.
After abutting against the abutting surface portion 411b while being elastically held by a, it is elastically deformed according to the degree of insertion of the electric wire into the corresponding quick-connecting terminal portion 3a. In addition, the display part 42b is located at the tip part on the other end side of the spring part 41b.

As shown in FIG. 7, the display member 4b having the above structure is housed in the body 21a so that the display portion 42b projects from the display hole 212a.
When the cover a and the cover 22a are fixed, as shown in FIG. 5, the distal end portion of the contact surface portion 411b is sandwiched between the protrusion 221a of the cover 22a and the back portion of the lock spring 32a.

FIG. 8 is a view showing the operation of the display member shown in FIG. 6. The operation of each display member 4b, which is a feature of the second embodiment, will be described with reference to FIG. However, FIG.
(B) and (d) are front views corresponding to the cross-sectional views of (a) and (c), respectively. Reference numeral 214a denotes a hole for operating the release button.

When the electric wire is not inserted in the quick-connecting terminal 3a, as shown in FIGS. 8A and 8B, the display member 4b corresponding to the quick-connecting terminal 3a has a display portion 42b. It is in a state of protruding from the display hole 212a to the outside of the terminal body 2a.

In this state, when the conductor wire of the electric wire is inserted from the electric wire insertion hole 213a, the conductor wire is elastically held by the terminal plate 31a and the locking spring 32a, and thereafter, the contact surface portion 411b of the display member 4b. Abut. When the electric wire is further inserted, the spring portion 41 is inserted according to the degree of insertion of the electric wire.
b, that is, the display member 4b is elastically deformed, and the spring portion 41b
According to the elastic deformation of the display unit 4, as shown in FIG.
2b moves inside the terminal body 2a and is hidden. In this state, the conductor of the electric wire is securely connected to the quick connection terminal portion 3a. That is, the display part 42b of the display member 4b is
When it is hidden inside a, it can be understood that the conductor wire of the electric wire is securely connected to the quick connection terminal portion 3a.

As described above, the display member 4b does not require a large space, and the display portion 42b itself moves to be visible or hidden, so that an effect that the change is easy to understand in a small space can be obtained. Further, since the display member 4b is a single component, an increase in the number of components as a whole is suppressed.

In the first and second embodiments, each display member is individually housed in the terminal main body. However, the present invention is not limited to this. In the case of the first embodiment, FIG. As shown in FIG. 7, the plurality of display members 4a
A configuration may be adopted in which the distal end portion of a is continuously connected via an insulating connecting portion 43a fitted (press-fitted) into the groove 431a. This facilitates the positioning of each display member 4a. In the case of the second embodiment, as shown in FIG. 10, the plurality of display members 4b are connected to the connecting portion 43b on the inner side of the terminal body.
May be integrally connected. Thereby, the handling becomes easy and the assembling becomes easy. Further, FIG.
In the case of the example shown in FIG. 0, the state after assembly is as shown in FIG. 11, and the contact surface 411b is formed by the protrusion 221 of the cover 22a.
a and the back portion of the lock spring 32a, and the connecting portion 43b is connected to the lock spring 32a and the storage chamber 211a.
And the display members 4b are firmly supported.

FIG. 12 is a view showing a display member and the like of a terminal device according to a third embodiment of the present invention. The third embodiment will be described below with reference to FIG. However, FIG.
(D) is a front view corresponding to the cross-sectional views of (a) and (c), respectively.

The present terminal device comprises a spring portion 41c which elastically deforms according to the degree of insertion of the electric wire into each quick connection terminal portion 3a, and a display portion 42 which moves according to the elastic deformation of the spring portion 41c.
c is provided with a display member 4c formed integrally with a plastic material such as a thermoplastic resin.
The configuration is the same as that of the embodiment.

The spring part 41c is the same as the spring part 4 of the second embodiment.
Similarly to 1b, on the back side of the locking spring inside the terminal main body, it is bent into an L-shape having an abutting surface portion on one end side which abuts on the conductor wire of the electric wire (see FIG. 6), and FIG. As shown in (1), the distal end portion of the other end is further bent downward, a wire is inserted into the corresponding quick connection terminal portion 3a, and the conductor wire of the wire is elastically held by the terminal plate 31a and the locking spring 32a. After contacting the contact surface in this state, it is elastically deformed in accordance with the degree of insertion of the electric wire into the corresponding quick connection terminal 3a. In addition, the display part 42c is located at the tip part on the other end side of the spring part 41c.

As described above, when the distal end portion of the other end side of the spring portion 41c is bent, the display portion 42c becomes conspicuous as shown in FIG. 12B, so that the visibility is improved. .

FIG. 13 is a diagram showing a body and the like of a terminal device according to a fourth embodiment of the present invention. The fourth embodiment will be described below with reference to FIG. However, FIG.
(D) is a front view corresponding to the cross-sectional views of (a) and (c), respectively.

The terminal device is provided with a display section 4 of each display member 4c.
The body 2 further including a retracting portion 215b of 2c
The configuration is the same as that of the third embodiment except that the first embodiment is provided.
In the example of FIG. 13, the display hole 212a is a so-called passage through which the other end of the display member 4c is inserted.
The cross section of the passage is slightly larger from the outer side (upper side in the figure) to the inner side of the outlet slightly from the inner side to the inner side.

As described above, the retracting portion 215 is provided in the body 21b.
If the display unit 42b is provided, the display unit 42c moves according to the insertion of the electric wire and is hidden in the display hole 212a.
Therefore, as shown in the left display hole 212a in FIG. 13D, the display unit 42c cannot be seen from the outside. Thereby, the change when the display unit 42c moves and appears and hides is further increased.

In the above-described second to fourth embodiments, each display member is formed by integrally forming the spring portion and the display portion, and the display portion is difficult to understand as it is. You may. Here, an example is shown in FIG. The display member 4d in this figure includes a spring portion 41d that elastically deforms according to the degree of insertion of the electric wire into the quick connection terminal portion 3a.
And a display portion 42d that moves in accordance with the elastic deformation of the spring portion 41d are integrally formed of a plastic material such as a thermoplastic resin, for example, and the display portion 42d is colored in a predetermined color. Thereby, the visibility of the display unit is improved. Further, in the example of FIG. 14, the distal end side (the lower end side in the figure) of the contact surface portion 411 d is further bent, so that the structure has the same strong supporting effect as that of FIG. 10.

FIG. 15 is a cross-sectional view showing a terminal device according to a fifth embodiment of the present invention, and FIG. 16 is a perspective view of the display member shown in FIG. I do.

The terminal device 1e shown in FIG. 15 is, for example, a switch or an outlet of one module size embedded in a wall or the like via a mounting frame or the like, and has a body 21e formed of an insulating material such as a thermoplastic resin. A terminal body 2e including a cover 22e is provided, and a plurality of quick connection terminal portions 3a and a release button 5a are incorporated in the terminal body 2e as in a conventional switch or outlet.

The other components similar to those of the conventional switch or outlet are well known, and therefore the description thereof will be omitted. The characteristic features of the fifth embodiment will be described. A spring portion 41e that elastically deforms according to the degree of insertion of the electric wire into the display portion 42e and a display portion 42e that moves according to the elastic deformation of the spring portion 41e are integrally formed of, for example, a plastic material such as a thermoplastic resin or a metal material. And a display member 4e.

The spring portion 41e is formed by bending an L-shape having an abutting surface portion 411e at one end on the back side of the locking spring 32a inside the terminal main body 2e and abutting on the conductor wire of the electric wire. After inserting the electric wire into the terminal portion 3a and contacting the conductor wire of the electric wire with the contact surface portion 411e while being elastically held by the terminal plate 31a and the locking spring 32a,
It is elastically deformed according to the degree of insertion of the electric wire into the corresponding quick-connecting terminal 3a. In addition, as shown in FIG. 16, a strong fixing portion 43e that stands from one edge of one end of the contact surface portion 411e to face the other end is provided integrally to provide the same strong support effect as that of FIG. Is formed. The display unit 4
2e is located at the other end of the spring portion 41e and is colored in a predetermined color. Further, a notch is formed in a base end portion on the other end side of the spring portion 41e, and a hole 44e is formed in the example of FIG.

Here, the body 21e of the terminal body 2e is
As shown in FIG. 15, in addition to having a storage chamber 211a and an electric wire insertion hole 213a in the same manner as the body 21a of the first embodiment, a window hole 2 for exposing the display portion 42e is provided.
16e on the side. In the example of FIG.
The display portion 42e is further exposed from the window 216e as the elastic deformation of 1e occurs, while the hole 44e of the display member 4e comes to a position corresponding to the window hole 216e before the spring portion 41e elastically deforms. .

FIG. 17 is a side view of the terminal device corresponding to FIG. 15, FIG. 18 is a diagram showing a state in which an electric wire is inserted into the terminal device shown in FIG. 15, and FIG. 19 is a side view of the terminal device corresponding to FIG. Next, the operation of each display member 4e, which is a feature of the fifth embodiment, will be described with reference to these drawings.

First, when the electric wire W is not inserted into the quick connection terminal portion 3a, as shown in FIG. 15, the display member 4e corresponding to the quick connection terminal portion 3a has a 216e (see FIG. 17).
A state is reached in which the hole 44e of the display member 4e is located at 6e.

In this state, when the conductor CW of the electric wire W is inserted from the electric wire insertion hole 213a as shown in FIG. 18, the conductor CW is elastically held by the terminal plate 31a and the locking spring 32a. Contact surface portion 411 of display member 4e
Contact e. When the electric wire W is further inserted, the spring portion 41e of the display member 4e elastically deforms in accordance with the degree of insertion of the electric wire W, and the display portion 42 in accordance with the elastic deformation of the spring portion 41e.
e moves and is exposed from the window hole 216e (see FIG. 19). In this state, as can be seen from FIG.
Is securely connected to the quick connection terminal portion 3a.
That is, when the display portion 42e of the display member 4e is exposed from the window hole 216e, it can be understood that the conductor wire CW of the electric wire W is securely connected to the quick connection terminal portion 3a.

As described above, the display member 4e does not require a large space, and the display portion 42e and the hole 44e of the display member 4e are visible and hidden. Further, it is possible to eliminate the protrusion of the display member 4e from the terminal main body 2e.

In the fifth embodiment, the display member 4e has a structure in which both the colored display portion 42e and the hole 44e are provided. However, the present invention is not limited to this. Alternatively, a structure provided with one of them may be used. Also in this structure, it can be seen that the conductor wire of the electric wire was securely connected to the quick connection terminal portion. Here, an example is shown in FIG. The display member 4f in this figure includes a spring portion 41f that elastically deforms according to the degree of insertion of the electric wire into the quick connection terminal portion, and a display portion 42f that moves according to the elastic deformation of the spring portion 41f, for example, a thermoplastic resin. The display portion 42f is formed integrally with a plastic material or a metal material such as
A hole 44f is formed on the base end side of the.

In the fifth embodiment, the structure is such that the window hole 216e is simply provided on the side surface of the body 21e. However, the present invention is not limited to this, and a structure in which a lens is mounted in the window hole may be used. Here, an example is shown in FIG. However, FIG.
(A) and (b) show the state before and after insertion of the electric wire, respectively. In the example of FIG. 21, the lens 6 is mounted on the outer surface side of the window hole 216. Thereby, the visibility of the display unit 42e is improved.

FIG. 22 is a cross-sectional view showing a terminal device according to a sixth embodiment of the present invention, and FIG. 23 is a view showing a state in which the display member shown in FIG. 22 is housed in the terminal main body. Hereinafter, a sixth embodiment will be described. The terminal device 1g is configured in the same manner as the second embodiment except for a terminal body 2g and a display member 4g.

A terminal body 2g is formed in the same manner as the body 21a of the second embodiment, except that the terminal body 2g has a protrusion 217g at the center of the tip of the inner partition wall forming the storage chamber 211a. It is constituted by a similar cover 22a.

The display member 4g includes a spring portion 41g that elastically deforms according to the degree of insertion of the electric wire into each quick connection terminal portion 3a,
The display unit 4 that moves according to the elastic deformation of the spring portion 41g
2 g is integrally formed of a plastic material such as a thermoplastic resin. Note that, similarly to the display member 4a of the first embodiment, a configuration may be adopted in which the spring portion is formed of a metal material, and the display portion of the molded product is attached to the other end of the spring portion.

The spring portion 41g is bent in an L-shape having an abutting surface portion 411g on one end side, which is in contact with the conductor of the electric wire, on the inner side of the locking spring 32a inside the terminal body 2g. After inserting the electric wire into the terminal portion 3a and contacting the conductor wire of the electric wire with the contact surface portion 411g while being elastically held by the terminal plate 31a and the locking spring 32a,
It is elastically deformed according to the degree of insertion of the electric wire into the corresponding quick-connecting terminal 3a. Also, the contact surface portion 411g of the spring portion 41g.
Is provided with a hole 412g into which the protrusion 217g of the body 21g is inserted.

Next, the procedure for storing the display member 4g in the terminal body 2g will be outlined. First, the display unit 42g is connected to the display hole 21.
The display member 4g is housed in the body 21g so as to protrude from the body 2g. Thereafter, the protrusion 217g of the body 21g is inserted into the hole 412g of the display member 4g, and the display member 4g is thermally welded.
Is fixed to the body 21g (see FIG. 23). After that, if the body 21g and the cover 22a are fixed, as shown in FIG.
Of the lock spring 32a. The operation of the display member 4g is described in the second section.
This is the same as the display member 4b of the embodiment.

As described above, the same effect as that of the second embodiment can be obtained, and the front end side of the contact surface portion 411g is covered with the cover 22.
a, and the distal end portion of the contact surface portion 411g is fixed to the body 21g by heat welding, so that each display member 4g
Will be firmly supported.

In the first to sixth embodiments, the display member has a structure that is elastically deformed in accordance with the insertion of the electric wire regardless of the outer diameter of the conductor wire of the electric wire. A structure may be used in which a hole or a notch smaller than the outer diameter of the conductor wire of the applicable electric wire is formed in a portion in contact with the electric wire in the above. Here, an example is shown in FIG. In the example of FIG. 24, the display member 4h includes a spring portion 41h that elastically deforms according to the degree of insertion of the electric wire into the quick connection terminal portion 3a, and a display portion 42h that moves according to the elastic deformation of the spring portion 41h. A cutout 413h smaller than the outer diameter of the conductor wire of the applicable electric wire is formed in a portion of the contact surface portion 411h that comes into contact with the electric wire. As a result, FIG.
As shown in FIG. 25 (a) and FIG. 25 (b) which is a partial sectional view thereof, the conductor wire CW of the applicable electric wire W always comes into contact with the contact surface portion 411h, while the outer diameter of the conductor wire CW is smaller than the notch 413h. In the case of the electric wire Ws of the conductor wire CWs, FIG.
As shown in FIG. 25D, which is a partial cross-sectional view thereof, the conductor wire CWs passes through the notch 413h, so that the display member 4h does not elastically deform in response to the insertion of the electric wire Ws. As a result, the operator can be made to recognize that the inserted electric wire has a smaller diameter than the applicable electric wire, so that it is possible to prevent the use of an electric wire having a smaller diameter than the applicable electric wire.

In the above embodiments, when a predetermined color is applied to the display section, the same color may be applied to each display section having the same voltage pole. here,
FIGS. 26 (a) and 26 (b) show rear views of one module-sized switch and one outlet, respectively. In either of these two cases, the upper two electric wire insertion holes 213
In a, the voltage poles are paired with the same polarity, and the two lower wire insertion holes 213a are also paired with the same voltage pole. In this case, the display portions of both display members corresponding to the pair of upper wire insertion holes 213a are colored in the same color, and the display portions of both display members corresponding to the lower pair of wire insertion holes 213a are different in color. What is necessary is just to color. If the different-polarity connection terminals are distinguished by color in this way, the voltage poles can be easily distinguished.

FIG. 27 is a cross-sectional view showing a terminal device according to a seventh embodiment of the present invention, FIG. 28 is a view showing a state of a display unit before insertion of an electric wire, and FIG. 29 is a state of a display unit after insertion of an electric wire. The seventh embodiment will be described below with reference to these drawings.

The terminal device 1i includes a spring portion 41i that elastically deforms in accordance with the degree of insertion of the electric wire into each quick connection terminal portion 3a.
And a display portion 42i that moves in accordance with the elastic deformation of the spring portion 41i is provided with a display member 4i integrally formed of a plastic material such as a thermoplastic resin, for example, in the same configuration as the second embodiment. Is done.

The spring portion 41i is formed by bending into an L-shape having, at one end, a contact surface portion 411i that abuts on the conductor wire CW of the electric wire W on the inner side of the locking spring 32a inside the terminal body 2a. The electric wire W is inserted into the quick connection terminal portion 3a, and the conductor wire CW of the electric wire W is connected to the terminal plate 31a and the locking spring 32a.
After being brought into contact with the contact surface portion 411i in a state where the wire W is elastically held, the wire W is elastically deformed in accordance with the degree of insertion of the electric wire W into the corresponding quick connection terminal portion 3a. Further, in order to provide a strong support effect, a strong fixing portion 43i that stands up from one edge of the contact surface portion 411i to face the other end is integrally formed. Further, the display portion 42i is formed by applying a predetermined color to a region corresponding to a length where the electric wire W is to be inserted on the other end side of the spring portion 41i. In the example of FIG.
Display hole 212a before electric wire W is inserted into quick connection terminal portion 3a
The projection length of the display portion 42i from the display member 42i corresponds to the length to insert the electric wire W. The projection length of the display member 4i from the display hole 212a before the electric wire W is inserted into the quick connection terminal portion 3a is , The wire strip length.

As described above, when the projecting length of the display member 4i is substantially the same as the strip length of the electric wire, the stripping distance of the sheath of the electric wire W can be easily recognized. The display unit 42i
29 corresponds to the length of the wire W to be inserted, and as shown in FIG. 29, when the display portion 42i is hidden and cannot be seen, the conductor wire CW of the wire W is securely connected to the quick connection terminal portion 3a. Since the connection is known, the insertion of the electric wire W can be stopped appropriately.

[0073]

As is apparent from the above description, according to the first aspect of the present invention, a terminal body, a quick-connecting terminal portion formed of a terminal plate and a locking spring and housed in the terminal body, The display does not require a large space because it includes a spring portion that elastically deforms according to the degree of insertion of the electric wire into the quick connection terminal portion and a display member that moves in accordance with the elastic deformation of the spring portion. A member can be obtained.

According to the second aspect of the present invention, in the terminal device according to the first aspect, the spring portion has one end of a contact surface portion which is in contact with the electric wire on the inner side of the locking spring inside the terminal main body. The wire is inserted into the quick connection terminal portion, and the wire comes into contact with the contact surface portion in a state where the wire is elastically held by the terminal plate and the locking spring. Later, since the wire is elastically deformed in accordance with the degree of insertion of the electric wire into the quick-connecting terminal portion, it is understood that the electric wire has been properly connected to the quick-connecting terminal portion when the display portion is moved.

According to the third aspect of the present invention, in the terminal device according to the second aspect, the display section is located at a tip portion on the other end side of the spring section, and the terminal main body has the display section externally. Since the display hole is provided so as to protrude, when the display unit is moved in a direction hidden by the display hole, it is understood that the electric wire is properly connected to the quick connection terminal unit.

According to the fourth aspect of the present invention, in the terminal device according to the second or third aspect, the spring portion is made of a metal material, the display portion is made of an insulating material, and the other end of the spring portion is provided. Because it is attached to the tip of
When the display moves, it can be seen that the wire has been properly connected to the quick connection terminal.

According to the invention set forth in claim 5, claims 1 to 5
In the terminal device according to any one of the first to third aspects, since the display member is integrally formed of an elastic plastic material, the number of parts can be suppressed from increasing.

According to the invention as set forth in claim 6, claims 1 to
5. The terminal device according to any one of 5, wherein a plurality of the display members are provided, and the plurality of the display members are connected to each other via an insulating connecting portion on the inside of the terminal main body. It will be easier.

According to the invention of claim 7, according to claim 1,
6. The terminal device according to 2, 3, or 5, wherein a plurality of the display members are provided, and the plurality of display members are integrally connected inside the terminal body, so that the display members can be easily assembled.

According to the invention described in claim 8, claims 1 to
7. In the terminal device according to any one of 7, the display unit is formed in an L-shape, so that visibility of the display unit is improved.

According to the ninth aspect of the present invention, in the terminal device of the eighth aspect, since the terminal main body has the retracting portion of the display unit, it is easy to recognize a change in the movement of the display unit.

According to the tenth aspect, the second aspect is provided.
In the terminal device described above, the display unit is located on the other end side of the spring unit, the terminal body has a window hole for exposing the display unit, and the display unit is elastically deformed by the spring unit. As the part exposed from the window hole becomes larger,
It is possible to eliminate the protrusion of the display member from the terminal body.

According to the eleventh aspect, according to the first aspect,
0, the notch or the hole is formed at a position corresponding to the window at the other end of the spring before the spring is elastically deformed. The change in the presence or absence of is easy to understand.

According to the twelfth aspect of the present invention, the first aspect is provided.
In the terminal device according to any one of the first to eleventh aspects, the display unit is colored in a predetermined color, so that the visibility of the display unit is improved.

According to the thirteenth aspect of the present invention, the first aspect
In the terminal device according to any one of Items 0 to 12, since a lens is mounted in the window, visibility of the display unit is improved.

According to the fourteenth aspect of the present invention, the first aspect of the present invention is as follows.
In the terminal device according to any one of the above items (13) to (13), since the display portion is formed of a thermoplastic resin, positioning and assembling are facilitated.

According to the fifteenth aspect, the first aspect is provided.
In the terminal device according to any one of the above items (14) to (14), since the terminal main body is formed of a thermoplastic resin, positioning and assembling are facilitated.

According to the sixteenth aspect of the present invention, the first aspect
In the terminal device according to any one of (1) to (15), a hole or a notch smaller than the outer diameter of the conductor wire of the applicable electric wire is formed in a portion of the contact surface portion that comes into contact with the electric wire. It is also possible to prevent the use of electric wires having a small diameter.

According to the seventeenth aspect, according to the first aspect,
16. The terminal device according to any one of to 16, further including a plurality of the display members, and each display unit of the plurality of display members includes:
Since the voltage pole is colored in the same color as the other display units of the same polarity, it is easy to distinguish the voltage pole.

According to the eighteenth aspect of the present invention, the first aspect is provided.
In the terminal device according to any one of Items to 9, 12, and 14 to 17, the projecting length of the display member from the display hole before the electric wire is inserted into the quick connection terminal portion is a strip length of the electric wire. This makes it easy to see the stripping distance of the sheath of the electric wire.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a terminal device according to a first embodiment of the present invention.

FIG. 2 is a view showing a state where an electric wire is inserted into the terminal device shown in FIG. 1;

FIG. 3 is a perspective view showing a display member of the first embodiment.

FIG. 4 is a cross-sectional view of the display member according to the first embodiment.

FIG. 5 is a sectional view showing a terminal device according to a second embodiment of the present invention.

FIG. 6 is a perspective view illustrating a display member according to a second embodiment.

FIG. 7 is a diagram showing a state where the display member shown in FIG. 6 is stored in the terminal main body.

FIG. 8 is a view showing an operation state of the display member shown in FIG. 6;

FIG. 9 is a diagram showing an example in which a plurality of display members are continuously provided.

FIG. 10 is a diagram showing an example in which a plurality of display members are continuously provided.

FIG. 11 is a view showing a state after a plurality of display members of FIG. 10 are incorporated.

FIG. 12 is a view showing a display member and the like of a terminal device according to a third embodiment of the present invention.

FIG. 13 is a diagram illustrating a body and the like of a terminal device according to a fourth embodiment of the present invention.

FIG. 14 is a diagram illustrating a coloring example of a display member.

FIG. 15 is a sectional view showing a terminal device according to a fifth embodiment of the present invention.

16 is a perspective view of the display member shown in FIG.

FIG. 17 is a side view of the terminal device corresponding to FIG.

FIG. 18 is a view showing a state where an electric wire is inserted into the terminal device shown in FIG. 15;

FIG. 19 is a side view of the terminal device corresponding to FIG. 18;

FIG. 20 is a diagram illustrating an example in which a hole is provided in the display member among the colored display portion and the hole in the display member.

FIG. 21 is a diagram illustrating an example in which a lens is attached to a window hole.

FIG. 22 is a sectional view showing a terminal device according to a sixth embodiment of the present invention.

FIG. 23 is a diagram showing a state in which the display member shown in FIG. 22 is stored in the terminal main body.

FIG. 24 is a view showing an example in which a notch smaller than the outer diameter of the conductor wire of the applicable electric wire is formed in a portion of the contact surface portion which comes into contact with the electric wire.

25 is a diagram showing a relationship between the contact surface portion shown in FIG. 24, an applicable electric wire, and a non-applicable electric wire having a small diameter.

FIG. 26 is a rear view of a switch and an outlet of one module size.

FIG. 27 is a sectional view showing a terminal device according to a seventh embodiment of the present invention.

FIG. 28 is a diagram illustrating a state of a display unit before an electric wire is inserted.

FIG. 29 is a diagram illustrating a state of the display unit after insertion of the electric wire.

[Explanation of symbols]

1a, 1b, 1e, 1g, 1i Terminal device 2a, 2e, 2g Terminal main body 21a, 21b, 21e Body 211a Storage room 212a Display hole 213a Wire insertion hole 214a Hole 215b Retreat 216e Window 217g Projection 22a, 22e Cover 221a Projection 3a Quick connection terminal 31a Terminal plate 32a Lock spring 4a, 4b, 4c, 4d, 4e, 4f, 4g, 4h, 4
i display members 41a, 41b, 41c, 41d, 41e, 41f, 4
1g, 41h, 41i spring parts 411a, 411b, 411d, 411e, 411g,
411h, 411i Contact surface 412g Hole 413h Notch 42a, 42b, 42c, 42d, 42e, 42f, 4
2g, 42h Display part 421a Groove 43a, 43b Connecting part 43e, 43i Strong fixing part 431a Groove 44e, 44f Hole 5a Release button 6 Lens W Electric wire CW Conductive wire

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Tomoyuki Sawada 1048 Kadoma Kadoma, Osaka Prefecture Matsushita Electric Works, Ltd. (72) Inventor Toshihiro Oido 1048 Kadoma Kadoma, Kadoma City, Osaka Matsushita Electric Works, Ltd. (72) Inventor Tetsuyasu Kawamoto 1048 Kadoma, Kadoma-shi, Osaka Pref. Matsushita Electric Works, Ltd. (72) Inventor Takashi Inazuma 1048 Kadoma, Kadoma, Kadoma-shi, Osaka F-term (reference) 5E021 FA05 FA16 FB07 FC40 KA06 5E086 DD03 HH23 JJ32 LL17 5G030 EA00 XX20 5G052 AA23 BB06 HA02 JB14 JC12

Claims (18)

[Claims] 1. A terminal body, a quick-connecting terminal portion formed of a terminal plate and a locking spring and housed in the terminal body, and a spring portion elastically deformed in accordance with a degree of insertion of an electric wire into the quick-connecting terminal portion. And a display member including a display unit that moves in accordance with the elastic deformation of the spring unit. 2. The quick-connecting terminal portion, wherein the spring portion is bent into an L-shape having, at one end, a contact surface portion that contacts the electric wire on the inner side of the locking spring inside the terminal body. After the wire is inserted into the contact surface portion in a state where the wire is elastically held by the terminal plate and the locking spring, the wire is inserted into the quick connection terminal portion in accordance with a degree of insertion of the wire into the quick connection terminal portion. The terminal device according to claim 1, wherein the terminal device is elastically deformed. 3. The terminal device according to claim 2, wherein the display unit is located at a distal end portion on the other end side of the spring unit, and the terminal body has a display hole for projecting the display unit to the outside. 4. The terminal device according to claim 2, wherein the spring portion is made of a metal material, and the display portion is made of an insulating material, and is attached to a tip portion on the other end side of the spring portion. 5. The terminal device according to claim 1, wherein said display member is integrally formed of a plastic material having elasticity. 6. The terminal device according to claim 1, further comprising a plurality of the display members, wherein the plurality of the display members are connected to each other via an insulating connecting portion inside the terminal body. . 7. The terminal device according to claim 1, further comprising a plurality of display members, wherein the plurality of display members are integrally connected inside the terminal body. 8. The terminal device according to claim 1, wherein the display section is formed in an L shape. 9. The terminal device according to claim 8, wherein the terminal main body has a retracting portion for the display unit. 10. The display unit is located at the other end of the spring unit, the terminal body has a window hole for exposing the display unit, and the display unit is configured such that the spring unit is elastically deformed. 3. The terminal device according to claim 2, wherein a portion exposed from the window hole becomes large. 11. The terminal device according to claim 10, wherein a notch or a hole is formed at a position corresponding to the window at the other end of the spring before the spring is elastically deformed. 12. The terminal device according to claim 1, wherein the display section is colored in a predetermined color. 13. The terminal device according to claim 10, wherein a lens is mounted in the window. 14. The terminal device according to claim 1, wherein the display section is formed of a thermoplastic resin. 15. The terminal device according to claim 1, wherein the terminal body is formed of a thermoplastic resin. 16. The terminal according to claim 1, wherein a hole or a notch smaller than an outer diameter of a conductor wire of the applicable electric wire is formed in a portion of the abutting surface portion which comes into contact with the electric wire. apparatus. 17. The display device according to claim 1, further comprising a plurality of display members, wherein each display portion of the plurality of display members has a voltage pole colored in the same color as another display portion having the same polarity. The terminal device as described. 18. The display member according to claim 1, wherein a length of the display member protruding from the display hole before inserting the electric wire into the quick connection terminal portion is a strip length of the electric wire.
The terminal device according to any one of 4 to 17,