JPH1197092A - Terminal block - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily connect an external signal conductor in a terminal block which is fixed to a device for connecting the external signal conductor to a signal wire on the device side. SOLUTION: This terminal block is fixed to a device 33 side, a terminal array member with which a screw terminal 41 for connecting an external signal conductor 43, is connected, is removably mounted on a terminal block body 31 on which a connection terminal 37 for connecting the single conductor on the device side 35 is mounted, and the screw terminal 41 and the connection terminal 37 are removably connected. On this occasion, the terminal array member 39 comprises a fixed terminal array member 39 which is removably fixed to the terminal block body 31, and a sliding terminal array member 49 which is slidably fixed to the terminal block body 31, and is movable to the fixed terminal array member 39.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a terminal block fixed to a device for connecting an external signal line to a device-side signal line.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 18, a terminal block fixed to a device for connecting an external signal line to a device-side signal line is known. In the figure, a plurality of connection terminals 7 for connecting a device-side signal line 5 of a printed wiring board 3 as a device are arranged on a terminal block main body 1 at predetermined intervals.

A terminal row member 9 is arranged on the terminal block main body 1 on the side opposite to the printed wiring board 3. The terminal row member 9 is detachably fixed to the terminal block main body 1 by a detachable screw 11. The terminal row member 9 includes a first terminal row 9a.
Is formed, and a second terminal row 9b is formed adjacent to the first terminal row 9a and at a position farther from the terminal block main body 1 than the first terminal row 9a.

The first and second terminal rows 9a and 9b include:
A plurality of screw terminals 13 are provided in series. A crimp terminal 17 crimped to the tip of the external signal line 15 is connected to the screw terminal 13. As shown in FIG. 19, fitting terminals 19 and 21 made of a spring plate are connected to the screw terminals 13 of the first and second terminal rows 9a and 9b.

The fitting portion 19 at the tip of the fitting terminals 19, 21
a, 21a and the connection terminal 7 are detachably fitted. In the terminal block described above, the crimp terminal 17 is connected to the screw terminals 13 of the first and second terminal rows 9a and 9b, and the external signal line 15 and the device-side signal line 5 of the printed wiring board 3 are mutually connected. Connected to.

[0006]

However, in such a conventional terminal block, for example, as shown in FIG.
A crimp terminal 17 is attached to the screw terminal 13 of the second terminal row 9b.
When the crimp terminal 17 is to be connected to the screw terminal 13 of the first terminal row 9a in a state where is connected, the crimp terminal connected to the screw terminal 13 of the second terminal row 9b. 17 hinders, the tip of a tightening tool such as a screwdriver cannot be brought into contact with the screw terminal 13 of the first terminal row 9b, and there is a problem that the external signal line 15 cannot be connected.

In such a case, after the crimp terminals 17 connected to the second terminal row 9b are once removed,
The crimp terminal 17 must be connected to the screw terminal 13 of the terminal row 9a, and the work of connecting the external signal line 15 is reduced. The present invention has been made to solve such a conventional problem, and has as its object to provide a terminal block that can easily connect an external signal line.

[0008]

According to a first aspect of the present invention, there is provided a terminal block for connecting an external signal line to a terminal block body fixed to an apparatus side and having a connection terminal for connecting a signal line on the apparatus side. A terminal row member to which the screw terminals are connected in a detachable manner, and the screw terminal and the connection terminal are detachably connected, wherein the terminal row member is connected to the terminal block body. A fixed terminal row member detachably fixed to the main body, and a sliding terminal row member slidably fixed to the terminal block main body and movable with respect to the fixed member. .

According to a second aspect of the present invention, there is provided the terminal block according to the first aspect, wherein the sliding terminal array member is fixed to the terminal block body by a screw member. It is characterized by forming a hole.

According to a third aspect of the present invention, in the terminal block according to the second aspect, the sliding terminal row member is formed in a U-shape surrounding three sides of the fixed terminal row member, and the sliding terminal row member is formed. The elliptical hole is formed in the U-shaped projection of the member along the direction in which the U-shaped projection is projected. The terminal block according to claim 4 is the terminal block according to claim 2, wherein the sliding terminal row member is formed in a U-shape surrounding three sides of the fixed terminal row member, And a second U-shaped sliding terminal array member formed in a U-shape surrounding three sides of the first sliding terminal array member, and a U-shaped projection of the first and second sliding terminal array members. The portion is formed by forming the oblong hole along the U-shaped projecting portion.

According to a fifth aspect of the present invention, in the terminal block according to the fourth aspect, the first and second sliding terminal row members are formed by:
The U-shaped protrusions are arranged so that the protruding directions thereof face each other.

(Operation) In the terminal block according to the first aspect, the fixed terminal row member detachably fixed and the sliding terminal row member fixed slidably are arranged on the terminal block main body, and the terminal block body is slidable. Since a gap is formed between the sliding terminal row member and the fixed terminal row member by sliding the terminal row member, an external signal line to the screw terminal of the sliding terminal row member and the fixed terminal row member. Are prevented from interfering with each other at the time of connection.

According to the terminal block of the present invention, an oblong hole is formed in the sliding terminal row member, and the screw member is inserted into the oblong hole and fixed to the terminal block main body, so that the sliding terminal row member is connected to the terminal. It is slidably fixed to the base body. In the terminal block of claim 3, the sliding terminal row member is formed in a U-shape surrounding three sides of the fixed terminal row member, and the sliding terminal row member is elongated along the projecting direction of the U-shaped projection of the sliding terminal row member. A circular hole is formed, and the sliding terminal row member is smoothly slidable along a predetermined direction.

According to a fourth aspect of the present invention, the sliding terminal row member is composed of the first and second sliding terminal row members, and the first and second sliding terminal row members are provided with a large number of screws. A stop terminal is provided. In addition, the first sliding terminal row member,
The fixed terminal row member is formed in a U-shape surrounding three sides thereof, and an oval hole is formed along the projecting direction of the U-shaped projection of the first sliding terminal row member.

Further, the second sliding terminal row member is formed in a U-shape surrounding three sides of the first sliding terminal row member, and the U-shaped projecting portion of the second sliding terminal row member protrudes. An oval hole is formed along the direction. Then, the first and second sliding terminal row members are smoothly slidable along the predetermined direction.

According to a fifth aspect of the present invention, the first and second sliding terminal row members are arranged so that the U-shaped projecting portions project in opposite directions, and the first and second sliding terminals are arranged. The row members are slid toward the opposite sides with respect to the fixed terminal row members. Then, a gap is formed between the first and second sliding terminal row members and the fixed terminal row member by sliding of the first and second sliding terminal row members, and the first and second sliding terminal row members are formed. When the external signal lines are connected to the screw terminals of the moving terminal row member and the fixed terminal row member, the signal lines are prevented from being mutually hindered.

[0017]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIGS. 1 and 2 show a first embodiment (corresponding to claims 1 to 3) of a terminal block of the present invention. In the figure, a terminal block main body 3 made of an insulating resin such as
1, a plurality of connection terminals 37 for connecting to device-side signal lines 35 formed on a printed wiring board 33 as a device are fixed at predetermined intervals.

On the opposite side of the terminal block main body 31 from the printed wiring board 33, a long fixed terminal row member 39 made of the same material as the terminal block main body 31 is disposed. A plurality of screw terminals 41 are continuously provided on the fixed terminal row member 39 along the longitudinal direction. These screw terminals 41 have crimp terminals 4 crimped to the ends of external signal lines 43.
5 is connected.

At both ends in the longitudinal direction of the fixed terminal row member 39, mounting holes 39a are formed. The attachment / detachment screw 47 is inserted into the attachment hole 39a, and the fixed terminal row member 3
9 is detachably fixed to the terminal block main body 31. Further, a U-shaped sliding terminal row member 49 surrounding three sides of the fixed terminal row member 39 is disposed at a position adjacent to the fixed terminal row member 39.

A plurality of screw terminals 41 are continuously connected to the sliding terminal array member 49 in the same direction as the direction in which the screw terminals 41 of the fixed terminal array member 39 are connected. These screw terminals 41 are arranged with a step at positions farther from the terminal block main body 31 than the screw terminals 41 of the fixed terminal row member 39. Elliptical holes 49b are formed in the U-shaped projecting portions 49a at both ends of the sliding terminal row member 49 along the projecting direction.

A screw member 53 to which a washer 51 for preventing falling off is fixed is attached to the oblong hole 49b. As shown in FIG. 3, a fitting terminal 55 made of a spring plate is connected to the screw terminal 41 of the fixed terminal array member 39, and the screw terminal 41 of the sliding terminal array member 49 is
A longer fitting terminal 56 of the fitting terminal 55 is connected.

The fitting portions 55a, 56a at the tips of the fitting terminals 55, 56 are fitted to the connection terminals 37, 37 so as to be detachable. Further, as shown in FIG. 1, a screw hole 31a is formed in the terminal block main body 31 at a position corresponding to the mounting hole 39a of the fixed terminal row member 39, and the oblong hole 49b of the sliding terminal row member 49 is formed. The slide fixing hole 31b is formed at a position corresponding to.

A cylindrical hole 31c larger than the diameter of the washer 51 of the screw member 53 is formed in the slide fixing hole 31b, and the washer 51 of the screw member 53 is disposed in the hole 31c. The surface of the slide fixing hole 31b is reduced in diameter so that the washer 51 projects and the screw member does not fall off.
A screw hole 31d into which the screw member 53 is screwed is formed.

Here, as shown in FIG. 4, the effective depth DE obtained by subtracting the plate thickness of the washer 51 from the depth D of the hole 31c is equal to the insertion depth of the fitting terminal 56 inserted into the terminal block main body 31. It is formed so as to be longer than the length L. In the terminal block described above, as shown in FIG.
Crimping terminal 45 connected to the screw terminal 41 of No. 9
However, if this hinders the crimp terminal 45 that is to be connected to the screw terminal 41 of the fixed terminal row member 39, the crimp terminal 45 of the external signal line 43 is attached as described below.

That is, first, as shown in FIG. 6, the screw member 53 fixing the sliding terminal row member 49 and the terminal block main body 31 is loosened. Next, as shown in FIG. 7, the sliding terminal row member 49 is moved upward, and the fitting between the fitting portion 56a of the fitting terminal 56 and the connection terminal 37 is released. Then, the connection between the device-side signal line 35 on the printed wiring board 33 and the external signal line 43 is cut off.

Further, in this state, as shown in FIGS. 8 and 9, while the tip of the screw member 53 is positioned in the hole 31c, the sliding terminal row member 49 is moved to the opposite side to the fixed terminal row member 39. Be moved. By this movement, the sliding terminal row member 4
A gap is formed between the fixing terminal row member 9 and the fixed terminal row member 39, and the crimp terminal 45 connected to the sliding terminal row member 49 is moved to a position away from the screw terminal 41 of the fixed terminal row member 39. .

The external signal lines 4 are not hindered by the crimp terminals 45 connected to the sliding terminal row members 49.
The third crimp terminal 45 is connected to the screw terminal 41 of the fixed terminal row member 39. After the crimp terminal 45 of the external signal line 43 is connected to the screw terminal 41 of the fixed terminal array member 39, the sliding terminal array member 49 is moved to the fixed terminal array member 39.
Moved to the side.

Further, the sliding terminal row member 49 is moved toward the terminal block main body 31, and the fitting portion 56a of the fitting terminal 56 is moved.
And the connection terminal 37 are fitted to each other, and the screw member 53 is attached to the terminal block main body 31 to return to the original state. In the terminal block configured as described above, the fixed terminal row member 39 that is detachably fixed and the sliding terminal row member 49 that is slidably fixed are arranged on the terminal block main body 31. When the signal line 43 is connected, the gap can be formed between the sliding terminal row member 49 and the fixed terminal row member 39 by sliding the sliding terminal row member 49. And the crimp terminals 45 connected to the fixed terminal row member 39 can be connected without interfering with each other.

The sliding terminal row member 49 has an oblong hole 49b.
Is formed, and the screw member 53 is attached to the terminal block main body 31 through the oval hole 49b. Therefore, the sliding terminal row member 49 is fixed to the terminal block main body 31 slidably with a simple structure. be able to. Then, the sliding terminal row member 49 is formed in a U-shape surrounding three sides of the fixed terminal row member 39, and along the projecting direction of the U-shaped projection 49a of the sliding terminal row member 49,
Since the oblong hole 49b is formed, the sliding terminal row member 49 is
It is possible to smoothly slide along a predetermined direction.

FIGS. 10 and 11 show a terminal block according to a second embodiment of the present invention (corresponding to claims 4 and 5).
Is shown. In the figure, a fixed terminal row member 39 is arranged at the center of the terminal block main body 31. The fixed terminal row member 39 is located adjacent to the fixed terminal row member 39.
A first sliding terminal row member 61 having a U-shape surrounding three sides is disposed.

The U-shaped projecting portions 61a on both sides of the first sliding terminal row member 61 are formed with an oblong hole 61b, and a screw member 53 is attached to the oval hole 61b. At the position adjacent to the first sliding terminal row member 61, the first sliding terminal
A second sliding terminal row member 63 having a U-shape surrounding three sides of the sliding terminal row member 61 is disposed. An oval hole 61b is formed in each of the U-shaped protrusions 63a on both sides of the second sliding terminal row member 63, and a screw member 53 is attached to the oval hole 61b.

The terminal block main body 31 has the same sliding fixing holes 31b as the first embodiment at positions corresponding to the screw members 53 of the first and second sliding terminal row members 61 and 63. Is formed. The same screw hole 31a as that of the first embodiment is formed in the terminal block main body 31 at a position corresponding to the mounting hole 39a of the fixed terminal row member 39.

In the terminal block described above, as shown in FIG. 12, the first sliding terminal row member 61 is
To the external signal line 4 without being hindered by the crimp terminal 45 connected to the fixed terminal row member 39.
The third crimp terminal 45 can be connected to the screw terminal 41 of the first sliding terminal row member 61. Further, the second sliding terminal row member 63 is moved to the opposite side to the fixed terminal row member 39, and is not obstructed by the crimp terminals 45 connected to the second sliding terminal row member 63, so that the external signal The crimp terminal 45 of the wire 43 can be connected to the screw terminal 41 of the fixed terminal row member 39.

Although the same effects as those of the first embodiment can be obtained in the terminal block of this embodiment, in this embodiment, the first sliding terminal row member 61 is replaced with the fixed terminal row member 39. The first sliding terminal row member 61 is formed in a U-shape, and the first sliding terminal row member 61 is formed with an O-shaped hole 61b along the projecting direction of the U-shaped projecting portion 61a. Is formed in a U-shape surrounding three sides of the first sliding terminal row member 61,
Since the oblong hole 63b is formed along the projecting direction of the U-shaped projecting portion 63a of the second sliding terminal row member 63, the first and second sliding terminal row members 61, 63 are moved in a predetermined direction. Can be smoothly slidable along.

The first terminal member 39 has a first terminal
And the second sliding terminal row members 61 and 63 are arranged, so that more crimp terminals 45 can be easily attached to the first and second sliding terminal row members 61 and 63 and the fixed terminal row member 39. Can be arranged. Then, the first and second sliding terminal row members 61 and 63 are connected to the respective U-shaped projecting portions 61a,
The first and second sliding terminal row members 61 and 63 are arranged so that the projecting directions of the first and second sliding terminal rows 63a face each other.
Can be slid toward the opposite sides with respect to the fixed terminal row member 39, and when the external signal line 43 is connected,
The external signal line 43 connected to the first and second sliding terminal row members 61 and 63 and the external signal line 43 connected to the fixed terminal row member 39 can be connected without interfering with each other. .

In the above-described first embodiment, an example has been described in which the terminal block main body 31 and the sliding terminal row member 49 are formed of polybutylene terephthalate, but the present invention is not limited to such an embodiment. Instead, for example, it may be formed of a phenol resin. In the first and second embodiments described above, the example in which the terminal block main body 31 is attached to the printed wiring board 33 has been described.
The present invention is not limited to such an embodiment. For example, as shown in FIGS.
Forming a mounting protruding portion 31f having a mounting hole 31e,
The terminal block main body 31 may be attached to a sheet metal 67 such as a housing using an attachment screw 65. In this case, the connection terminal 3
7 is formed by a soldering terminal 69 or a wire wrapping terminal 71 as shown in FIG. 15 or FIG.

In the first and second embodiments described above, an example is described in which the axial direction of the screw terminal 41 is positioned in the direction perpendicular to the printed wiring board 33 using the linear connection terminal 37. As described above, the present invention is not limited to such an embodiment. For example, as shown in FIG. 17, a connection terminal 73 bent at a right angle is used to print the axial length direction of the screw terminal 41. It may be located in the parallel direction of the wiring board 33.

[0038]

According to the first aspect of the present invention, the terminal row member detachably fixed to the terminal block main body is slidably mounted on the terminal block main body and the fixed terminal row member detachably fixed to the terminal block main body. Because it is composed of a sliding terminal row member that is freely fixed,
When connecting the external signal line, by sliding the sliding terminal row member, a gap can be formed between the sliding terminal row member and the fixed terminal row member, and the gap is connected to the sliding terminal row member. The external signal line and the external signal line connected to the fixed terminal row member can be connected without interfering with each other.

According to the terminal block of the present invention, an elliptical hole is formed in the sliding terminal row member, and the screw member is screwed to the terminal block main body through the elliptical hole. The moving terminal row member can be slidably fixed to the terminal block main body. In the terminal block according to the third aspect, the sliding terminal row member is formed in a U-shape surrounding three sides of the fixed terminal row member, and the elliptical shape extends along the projecting direction of the U-shaped protrusion of the sliding terminal row member. Since the hole was formed,
The sliding terminal row member can be smoothly slidable along a predetermined direction.

According to a fourth aspect of the present invention, the first sliding terminal row member is formed in a U shape surrounding three sides of the fixed terminal row member.
An oval hole is formed along the direction in which the U-shaped protrusion of the first sliding terminal row member protrudes, and the second sliding terminal row member surrounds three sides of the first sliding terminal row member. The first and second sliding terminal row members are formed in a U-shape, and the first and second sliding terminal row members are formed in a predetermined shape. It is possible to smoothly slide along the direction.

Also, the first and second sliding terminal row members are
Since the sliding terminal row member is constituted, more screw terminals can be arranged on the sliding terminal row member. In the terminal block according to the fifth aspect, the first and second sliding terminal row members are arranged such that the projecting directions of the U-shaped projecting portions face each other, so that the first and second sliding terminals are arranged. The row member can be slid toward the opposite side with respect to the fixed terminal row member.
The external signal line connected to the second sliding terminal row member and the external signal line connected to the fixed terminal row member can be connected without interfering with each other.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a first embodiment of a terminal block of the present invention.

FIG. 2 is a perspective view showing a first embodiment of the terminal block of the present invention.

FIG. 3 is a cross-sectional view showing a fitting state of a screw terminal and a connection terminal of FIG. 2;

FIG. 4 is a sectional view showing a fixed state of the screw member of FIG. 2;

FIG. 5 is a top view showing a state where an external signal line is connected to the screw terminal.

FIG. 6 is a sectional view showing a state in which a screw member fixing the sliding terminal row member to the terminal block main body is loosened.

FIG. 7 is a cross-sectional view showing a state in which the sliding terminal row member has been moved upward and the engagement between the screw terminal and the connection terminal has been released.

FIG. 8 is a cross-sectional view showing a state where the sliding terminal row member has been moved along the oblong hole.

9 is a top view showing a state where an external signal line is connected to the screw terminal in the state of FIG. 8;

FIG. 10 is a top view showing a second embodiment of the terminal block of the present invention.

FIG. 11 is a front view of FIG. 10;

FIG. 12 shows a second embodiment of the terminal block according to the present invention.
It is a top view showing the state where the 1st and 2nd sliding terminal row member was slid.

FIG. 13 is a top view showing an example in which the terminal block main body is attached to a sheet metal such as a housing.

FIG. 14 is a sectional view of FIG.

FIG. 15 is a front view showing an example in which solder terminals are used as connection terminals.

FIG. 16 is a front view showing an example in which a wire wrapping terminal is used as a connection terminal.

FIG. 17 is a side view showing an example in which a connection terminal that is bent at a right angle is used and the axial direction of the screw terminal is positioned in a direction parallel to the printed wiring board.

FIG. 18 is a perspective view showing a conventional terminal block.

19 is a cross-sectional view showing a fitting state of the screw terminal and the connection terminal of FIG.

FIG. 20 is a top view showing a state in which an external signal line is connected to a screw terminal in a conventional terminal block.

[Explanation of symbols]

 31 Terminal block main body 33 Printed wiring board (device) 35 Device side signal line 37 Connection terminal 39 Fixed terminal row member 41 Screw terminal 43 External signal line 49 Sliding terminal row member 49a, 61a, 63a U-shaped protrusion 49b, 61b, 63b Oval hole 53 Screw member 61 First sliding terminal row member 63 Second sliding terminal row member

Claims (5)

[Claims] A terminal row member fixed to a device side and having a screw terminal for connecting an external signal line connected to a terminal block body on which a connection terminal for connecting a device side signal line is disposed. Is detachably disposed, and the screw terminal and the connection terminal are detachably connected to each other. The terminal row member includes a fixed terminal row member detachably fixed to the terminal block body. And a sliding terminal row member slidably fixed to the terminal block main body and movable with respect to the fixed terminal row member. 2. The terminal block according to claim 1, wherein the sliding terminal row member is formed with an oblong hole for fixing the sliding terminal row member to the terminal block body with a screw member. A terminal block characterized in that: 3. The terminal block according to claim 2, wherein the sliding terminal row member is formed in a U-shape surrounding three sides of the fixed terminal row member, and the U-shaped protrusion of the sliding terminal row member. In the part, along the protruding direction of the U-shaped protrusion,
A terminal block, wherein the oblong hole is formed. 4. The terminal block according to claim 2, wherein the sliding terminal row member is formed in a U-shape surrounding three sides of the fixed terminal row member, and
And a second sliding terminal row member formed in a U-shape surrounding three sides of the sliding terminal row member of the first and second sliding terminal row members. The terminal block, wherein the oblong hole is formed along the U-shaped protrusion. 5. The terminal block according to claim 4, wherein the first and second sliding terminal row members are arranged such that the projecting directions of the respective U-shaped projecting portions face each other. Characteristic terminal block.