JPH07211366A - Terminal board - Google Patents

Abstract

PURPOSE:To mount and demount a terminal without removing a cover member from a cover installing part by loosening a screw member to fix the cover member to a guide part, and moving the cover member along the guide part. CONSTITUTION:At ordinary use time as a terminal stand, a projecting part 79 of a cover member 67 is fitted in a guide part 61 and a first recessed part 75 of a partition part 35, and a member 67 is arranged in a position to cover a terminal installing part 33. On the other hand, when a crimp terminal 45 is mounted on and demounted from the installing part 33, a screw member 71 to fix the member 67 to the guide part 61 is loosened, and the member 67 is moved to a position of not covering the installing part 33 along the guide part 61, that is, into a recessed groove 81 where one end of the member 67 is formed on a terminal stand body 31, and when a machine screw is rotated by a driver in this condition, the terminal 45 is mounted and demounted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal block having a terminal mounting portion covered with a cover member.

[0002]

2. Description of the Related Art Generally, in a conventional terminal block, a terminal mounting portion is covered with a cover member for safety and the like.

FIG. 7 and FIG. 8 show a terminal block of this type. In this terminal block, a cover for covering the terminal mounting part 11 is provided in front of the terminal block body 13 in which a plurality of terminal mounting parts 11 are formed. The member 15 is arranged, and both sides of the cover member 15 are fixed to the cover mounting portions 17 arranged on both sides of the terminal block body 13 with screws 19.

[0004]

However, in such a conventional terminal block, in order to attach / detach the terminal 21 to / from the terminal mounting portion 11, the cover mounting portion 17 is removed from the cover mounting portion 17.
Since it is necessary to remove 5, the terminal 21 requires a large number of man-hours to attach and detach, and there is a risk that the screw 19 and the like may be lost.

Further, in the conventional terminal block, in order to measure the voltage of each terminal 21, considering the switching of the range 25 of the tester 23, etc., as shown in FIG. After removing the member 15, the cord 2
It is necessary to connect the clip 28a at one end of 7 to the terminal 21 and connect the clip 28b at the other end to the tester rod 29 of the tester 23, which requires a large number of man-hours for measurement.

The present invention has been made to solve such a conventional problem, and the terminals can be attached and detached without removing the cover member from the cover mounting portion, and the tester bar is directly supported on the terminal mounting portion. It is an object of the present invention to provide a terminal block that can perform measurement by using the above method.

[0007]

According to a first aspect of the present invention, there is provided a terminal block, wherein a cover member for covering the terminal mounting portion is arranged in front of a terminal base body having a plurality of terminal mounting portions. In a terminal block having both sides fixed to cover mounting portions formed on both sides of the terminal block body, a guide portion having a substantially semicircular outer periphery is formed at a front portion of the cover mounting portion, and the cover member is provided. The inner surface of is formed in an arc shape having a shape substantially corresponding to the guide portion, and further, elongated holes extending in the circumferential direction are formed on both sides of the cover member, and by the screw members inserted into the elongated holes. The cover member is fixed to the guide portion.

According to a second aspect of the present invention, there is provided a terminal block according to the first aspect.
A positioning concave portion or a convex portion is formed in the guide portion of the terminal block body, and a convex portion or a concave portion that can be fitted into the positioning concave portion or the convex portion is formed in the cover member. .

According to a third aspect of the present invention, in the terminal block according to the first or second aspect, a tester rod insertion hole into which a tester rod is inserted is formed in the terminal mounting portion. According to a fourth aspect of the present invention, in the terminal block according to the third aspect, a tester rod support portion that supports the tester rod is formed at a position corresponding to the tester rod insertion hole of the cover member.

[0010]

In the terminal block according to the first aspect, the cover member is arranged at a position to cover the terminal mounting portion during normal use as the terminal block.

On the other hand, when the terminal is attached to or detached from the terminal mounting portion,
The screw member for fixing the cover member to the guide portion is loosened, the cover member is moved along the guide portion to a position not covering the terminal mounting portion, and in this state, the terminal is attached and detached.

Further, for example, when the voltage of the terminal mounting portion is measured, the screw member for fixing the cover member to the guide portion is loosened so that the cover member can be supported along the guide portion and the tip of the tester bar can be supported by the terminal mounting portion. Moved to the position, in this state,
The measurement is taken.

In the terminal block according to the second aspect, when the cover member is moved along the guide portion, the convex portion or the concave portion of the cover member fits into the concave portion or the convex portion for positioning of the guide portion to guide the cover member. The position with respect to the department is determined.

In the terminal block according to the third aspect, the tip of the tester bar is inserted and supported in the tester bar insertion hole formed in the terminal mounting portion for measurement. In the terminal block according to the fourth aspect, the rear portion of the tester rod is supported by the tester rod supporting portion of the cover member.

[0015]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 and 2 show an embodiment of the terminal block of the present invention, in which reference numeral 31 indicates, for example,
The terminal block main body which consists of insulating resin is shown.

A plurality of terminal mounting portions 33 are formed on the front surface of the terminal block body 31, and each terminal mounting portion 33 is partitioned by a partition portion 35. The terminal mounting portion 33 is formed by molding a terminal member 37 as shown in FIG. 3 on the terminal base body 31.

The terminal member 37 has a rectangular plate-shaped connecting portion 39.
And a terminal portion 41 integrally formed with the connection portion 39, and made of a conductive metal such as copper. A screw hole 43 is formed in the connection portion 39, and the crimp terminal 45 is formed.
The crimp terminal 45 is fixed to the connecting portion by inserting the screw 51 through the spring washer 47 and the washer 49 into the through hole 45a formed in the above, and screwing the tip of the screw 51 into the screw hole 43. .

The cord 5 is attached to the crimp portion 53 of the crimp terminal 45.
The conducting wire 57 in 5 is connected by crimping. A cover mounting portion 59 is integrally formed on both sides of the terminal block body 31, and a guide portion 61 having a substantially semicircular outer periphery is formed at a front portion of the cover mounting portion 59.

Further, in this embodiment, the partition portion 35 is formed in a substantially semicircular shape corresponding to the guide portion 61. The guide portion 61 is formed with a hole portion 63 for fixing the terminal block body 31 to a device (not shown) or the like, and the fixing screw 65 is inserted into the hole portion 63.

In front of the terminal block body 31, the terminal mounting portion 3
A cover member 67 that covers 3 is arranged. The cover member 67 is formed in an arc shape having a shape substantially corresponding to the guide portion 61.

Further, elongated holes 69 extending in the circumferential direction are formed on both sides of the cover member 67, and a screw member 71 inserted into the elongated hole 69 is provided with a screw hole formed in the guide portion 61. The cover member 67 is fixed to the guide portion 61 by being screwed into the cover member 73.

In this embodiment, the cover member 67 is made of a transparent resin made of acrylic. The cover member 67 has elasticity, and as shown in FIG. 4, its inner diameter L ₁ is made slightly smaller than the outer diameter L ₂ of the guide portion 61.

The guide portion 61 and the partition portion 35 of the terminal block body 31 are provided with first and second positioning grooves made of linear grooves.
Concave portions 75 and 77 are formed. On the other hand, a convex portion 79 that can be fitted into the first and second concave portions 75 and 77 is linearly formed on the end portion of the cover member 67.

Further, an arcuate groove 81 is formed in the upper portion of the terminal block body 31, and a recess 83 into which the projection 79 of the cover member 67 can be inserted is formed in the bottom surface of the groove 81. .

Above the screw hole 43 in the terminal member 37 of the terminal mounting portion 33, a tester rod insertion hole 85 into which a tester rod to be described later is inserted is formed by a stupid hole or a burring process.

A tester rod support portion 87, which is a notched groove for supporting a tester rod described later, is formed at a position corresponding to the tester rod insertion hole 85 of the cover member 67.

In the above-described terminal block, during normal use as the terminal block, as shown in FIG. 2, the convex portion 79 of the cover member 67 has the guide portion 61 and the first concave portion 7 of the partition portion 35.
5, the cover member 67 is arranged at a position to cover the terminal mounting portion 33.

On the other hand, when the crimp terminal 45 is attached to or detached from the terminal mounting portion 33, as shown in FIG. 5, the screw member 71 for fixing the cover member 67 to the guide portion 61 is loosened, and the cover member 67 is attached to the guide portion 61. Along the position where the terminal mounting portion 33 is not covered, that is, at one end of the cover member 67,
The crimp terminal 45 is moved to the inside of the concave groove 81 formed in No. 1 and the crimp terminal 45 is attached and detached by rotating the screw 51 by the driver 89 in this state.

Further, for example, when the voltage of the terminal mounting portion 33 is measured, as shown in FIG. 6, the screw member 71 for fixing the cover member 67 to the guide portion 61 is loosened and the cover member 6 is released.
7 along the guide portion 61, the position where the tip of the tester rod 91 can be inserted into the tester rod insertion hole 85, that is, the convex portion 79 of the cover member 67, the second concave portion 77 of the guide portion 61 and the partition portion 35. The tester bar 91 is inserted into the tester bar insertion hole 85 in this state, and the rear part of the tester bar 91 is inserted into the cover member 67.
The measurement is performed by inserting and supporting it in the tester rod support portion 87.

In the above-described terminal block, however, the cover member 67 is fixed to the guide portion 61 by loosening the screw member 71 and moving the cover member 67 along the guide portion 61 so that the cover member 67 is attached to the terminal. Since it is possible to move the portion 33 to a position where it is not covered, the crimp terminal 45 can be easily attached and detached without removing the cover member 67 from the cover mounting portion 59, and as a result, the crimp terminal 45 can be attached and detached. It is possible to reduce the required man-hours, and
The risk of losing the screw member 71 can be eliminated.

Further, in the above-mentioned terminal block, the cover member 6
When 7 is moved along the guide portion 61, the convex portion 79 of the cover member 67 causes the concave portion 75, 77 for positioning the guide portion 61.
The cover member 67 at a predetermined position, that is, the position for attaching and detaching the crimp terminal 45 or the tester bar 9
It is possible to surely hold the position for voltage measurement by 1.

In this embodiment, the cover member 67
Since the inner diameter of the cover member 67 is made smaller than the outer diameter of the guide portion 61, the convex portion 79 of the cover member 67 is formed into the concave portions 75 and 77 for positioning the guide portion 61.
It is possible to surely fit in.

Further, in the above-mentioned terminal block, with the cover member 67 held at the position for voltage measurement by the tester rod 91, the tip of the tester rod 91 is inserted into the tester rod insertion hole 85 formed in the terminal mounting portion 33. By inserting
It becomes possible to carry out the measurement by directly supporting the tester bar 91 on the terminal mounting portion 33, and as a result, the clip at one end of the measurement cord is connected to the crimp terminal and the clip at the other end is connected to the tester as in the conventional case. Since it is not necessary to connect to the tester rod of, it is possible to significantly reduce the measurement man-hours compared with the conventional method.

Further, in the above-mentioned terminal block, the cover member 6
Since the rear portion of the tester rod 91 is supported by the tester rod support portion 87 of 7, the tester rod 91 is attached to the terminal mounting portion 33.
In addition, it can be supported more reliably.

In the embodiment described above, the guide portions 61 of the terminal block body 31 are provided with positioning recesses 75 and 77, and the cover member 67 is provided with positioning recesses 75 and 77.
Although the example in which the convex portion 79 that can be fitted in is formed is described, the present invention is not limited to such an embodiment,
For example, it is needless to say that the guide portion may be formed with a positioning convex portion and the cover member may be formed with a concave portion that can be fitted into the positioning convex portion.

Further, in the embodiment described above, the guide portion 61
The example in which the concave portions 75 and 77 of the above are formed in a long groove shape and the convex portion 79 of the cover member 67 is formed in a linear shape has been described, but the present invention is not limited to such an embodiment, and a part of the guide portion. It is needless to say that the concave portion may be formed in the shape of a hole only in the concave portion and the convex portion in the shape of a protrusion that fits into the concave portion may be formed in only a part of the cover member.

Further, in the above-mentioned embodiment, the example in which the tester rod supporting portion 87 is formed by the U-shaped notch groove has been described, but the present invention is not limited to such an embodiment, and a cover member can be used. It may be formed by forming a through hole, or may be formed by narrowing the entrance of the notch groove.

[0038]

As described above, according to the terminal block of the first aspect, the screw member for fixing the cover member to the guide portion is loosened, and the cover member is moved along the guide portion, so that the cover member is fixed to the terminal. Since it is possible to move to a position where the mounting portion is not covered, it is possible to easily attach and detach the terminal without removing the cover member from the cover attaching portion.

In the terminal block of the second aspect, when the cover member is moved along the guide portion, the convex portion or the concave portion of the cover member fits into the concave portion or the convex portion for positioning of the guide portion. It can be securely held in place.

In the terminal block according to the third aspect of the invention, the tip of the tester rod is inserted into and supported by the tester rod insertion hole formed in the terminal mounting portion, so that the tester rod can be directly supported by the terminal mounting portion for measurement. it can.

According to the terminal block of the fourth aspect, since the rear portion of the tester rod is supported by the tester rod supporting portion of the cover member, there is an advantage that the tester rod can be more reliably supported by the terminal mounting portion.

[Brief description of drawings]

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

2 is a cross-sectional view of FIG.

FIG. 3 is a perspective view showing a terminal member of FIG.

FIG. 4 is an explanatory diagram showing a relationship in diameter between a cover member and a guide portion in FIG.

FIG. 5 is a cross-sectional view showing a state in which the cover member is installed at the attachment / detachment position of the crimp terminal.

FIG. 6 is a cross-sectional view showing a state in which a cover member is installed at a voltage measurement position.

FIG. 7 is a perspective view showing a conventional terminal block.

8 is a perspective view showing a state in which the voltage of the terminal mounting portion of FIG. 7 is being measured.

[Explanation of symbols]

 31 terminal block body 33 terminal mounting portion 45 crimping terminal 59 cover mounting portion 61 guide portion 67 cover member 69 long hole 71 screw member 75, 77 concave portion 79 convex portion 85 tester rod insertion hole 87 tester rod support portion 91 tester rod

Claims (4)

[Claims] 1. A cover member for covering the terminal mounting portion is arranged in front of a terminal base body having a plurality of terminal mounting portions, and both sides of the cover member are formed on both sides of the terminal base body. In the terminal block fixed to the cover mounting part, a guide part having a substantially semicircular outer periphery is formed at the front part of the cover mounting part, and the inner surface of the cover member has a shape substantially corresponding to the guide part. Is formed in an arc shape, and further, long holes extending in the circumferential direction are formed on both sides of the cover member, and the cover member is fixed to the guide portion by a screw member inserted in the long hole. A terminal block that is characterized by 2. The guide portion of the terminal block body is formed with a positioning concave portion or a convex portion, and the cover member is formed with a convex portion or a concave portion that can be fitted into the positioning concave portion or the convex portion. The terminal block according to claim 1, wherein 3. The terminal block according to claim 1, wherein a tester rod insertion hole into which a tester rod is inserted is formed in the terminal mounting portion. 4. The terminal block according to claim 3, wherein a tester rod support portion for supporting the tester rod is formed at a position corresponding to the tester rod insertion hole of the cover member.