JPH08106934A - Cable fixing structure - Google Patents

Abstract

PURPOSE: To prevent loosening of a screw after fixing and surely fixing a cable by installing a U-shaped locking groove on each side of a power source plate and fixing a locking projection to the groove for locking. CONSTITUTION: An L-shaped locking projection 6 of a crimp-style terminal 4 in the lower part is fit to a locking groove 9 on either side of a power source plate 10 for locking. The locking groove 9 is selected so that the crimp-style terminal 4 in the lower part is faced to the position where load applied to a cable 1 becomes minimum. An L-shaped locking projection 6 of a crimp-style terminal 4 in the upper part is fit to either one square hole 8 of the crimp-style terminal 4 in the lower part for locking. The square hole 8 is selected so that the crimp-style terminal 4 in the upper part is faced to the position where load applied to the cable 1 becomes minimum. In this state, two crimp-style terminals 4 are screwed to the power source plate 10 with a screw 11 through the square hole 8. Two cables 1 are electrically connected to a power source plate 3, and two crimp-style terminals 4 are fixed in the screw axial direction and in the rotating direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable fixing structure for fixing a crimp terminal to a power supply plate used in an electronic exchange to connect the cable and the power supply plate.

[0002]

2. Description of the Related Art A power cable (hereinafter referred to as a cable) fixed to a power board used in an electronic exchange is drawn into the apparatus from a free access floor installed in a station building and connected to the power board. A conventional example of this type of cable fixing structure uses a crimp terminal. The crimp terminal is formed in accordance with the size of the power supply terminal, has a cable clamp portion for connecting the tip of the cable at the end portion, and has a fixing hole at the center portion.

With the above-mentioned structure, in the above-mentioned conventional example, the crimp terminal having the cable tip attached to the cable clamp portion is screwed to the power supply plate through the fixing hole to fix the cable to the power supply plate. Was fulfilled.

[0004]

However, according to the prior art having the above-described structure, since the work is fixed only by screwing, the construction worker arranges the cable run under the floor after fixing the cable. There is a problem in that the cable has a spring property due to the wiring work, and the spring property causes the crimp terminal to rotate around the screw, loosening the screw fixing, resulting in poor fixing performance.

In view of the above problems, the present invention provides a structure for preventing rotation of the crimp terminal after fixing, preventing loosening of the screw after fixing, and providing a cable fixing structure having good fixing performance. The purpose is to do.

[0006]

In order to achieve the above object, the present invention is intended to fix a crimp terminal in the axial direction of a screw and in the rotational direction at the same time. That is, the present invention comprises a crimp terminal having a cable clamp portion for connecting a cable tip to an end portion and a fixing hole in a central portion, and fixing the crimp terminal to a power supply plate to connect the cable and the power supply plate. In the cable fixing structure that fulfills the above requirement, an L-shaped locking projection protruding downward is provided on the side opposite to the cable clamp side of the crimp terminal, and the locking projection is fitted around the fixing hole of the crimp terminal. Arrange a plurality of square holes to be stopped at equal intervals,
Further, a U-shaped locking groove into which the locking projection is fitted and locked is provided on each side of the power supply plate.

[0007]

According to the present invention having the above construction, the L-shaped locking projection of the crimp terminal having the cable tip attached to the cable clamp portion is fitted and locked in the locking groove on any one side of the power supply plate, If the crimp terminal is screwed to the power supply plate through the fixing hole in this state, the cable can be electrically connected to the power supply plate and the crimp terminal can be fixed in the screw axis direction and the rotation direction.

Further, when the crimp terminals are superposed and fixed, the L-shaped locking projections of the lower crimp terminals are fitted and locked in the locking grooves on any one side of the power supply plate, and the crimp terminals of the upper part are fixed. L
If the V-shaped locking protrusions are fitted and locked in any one of the plurality of square holes of the lower crimp terminal, and in this state, these crimp terminals can be screwed to the power board through the fixing holes. Any of the stacked crimp terminals can be fixed in the screw axis direction and the rotation direction.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an exploded perspective view showing an embodiment of the present invention, and FIG. 2 is a perspective view showing an application example of the embodiment. In the figure, 1
Is a cable, 2 is a power supply terminal board, and 3 is a power supply board mounted on the power supply terminal board 2. Reference numeral 4 denotes a crimp terminal provided at the tip of the cable 1, the crimp terminal 4 is formed in accordance with the size of the power supply plate 3, and has a cable clamp portion 5 for connecting the tip of the cable 1 to the end portion. An L-shaped locking projection 6 bent downward is provided on the side opposite to the cable clamp portion 5 side. A fixing hole 7 is provided in the center of the crimp terminal 4, and a plurality of square holes 8 each having a size set so that the locking projection 6 is fitted and locked are formed around the fixing hole 7. 3 in the example
Individually arranged at equal intervals.

Further, each side of the power supply plate 3 is provided with a U-shaped locking groove 9 whose size is set so that the locking projection 6 of the crimp terminal 4 can be fitted and locked. Reference numeral 10 is a screw hole having the same shaft as the fixing hole 7 of the crimp terminal 4. Reference numeral 11 is a fixing screw, and 12 is a washer. The operation of this embodiment having the above configuration will be described below.

First, the L-shaped locking projection 6 of the lower crimp terminal 4 is fitted and locked in the locking groove 9 on one side of the power supply plate 10. In this case, the locking groove 9 is selected so that the lower crimp terminal 2 faces the position where the load is not applied to the cable 1 most. Next, the L-shaped locking protrusion 6 of the upper crimp terminal 4 is attached to one of the plurality of square holes 8 of the lower crimp terminal 4.
Fit and lock into one. Also in this case, the square hole 8 is selected so that the upper crimp terminal 4 faces the position where the load is not applied to the cable 1 most. In this state, the two crimp terminals 4 are screwed into the power supply plate 10 through the respective fixing holes 8.
Screw in. As described above, the two cables 1 are electrically connected to the power supply plate 3 and the two crimp terminals 4 are fixed in the screw axis direction and the rotation direction.

In this embodiment, the case where two crimp terminals are superposed and fixed is shown, but the present invention is not limited to this, and the same action and effect can be obtained in one case or in a plurality of cases.

[0013]

As described above in detail, according to the present invention, a crimp terminal having a cable clamp portion for connecting a cable tip to an end portion and a fixing hole in a central portion is provided, and the power supply plate is provided with the above-mentioned. In a cable fixing structure for fixing a crimp terminal to connect a cable and a power supply plate, an L-shaped locking protrusion protruding downward is provided on the side opposite to the cable clamp side of the crimp terminal to fix the crimp terminal. Arrange a plurality of square holes around the hole for engaging and locking the locking projections at equal intervals,
Further, since the U-shaped locking groove into which the locking projection is fitted and locked is provided on each side of the power supply plate, the crimp terminal can be fixed in the screw axis direction and the rotation direction at the same time. it can.

This makes it possible to prevent rotation of the crimp terminal after fixing, prevent loosening of the screw after fixing, and provide a cable fixing structure having good fixing performance. Further, even when the crimp terminals are stacked and fixed, the positioning and fixing can be easily performed, so that there is an effect that regularity can be achieved in the cable arranging and the appearance is improved.

[Brief description of drawings]

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

FIG. 2 is a perspective view showing an application example of an embodiment of the present invention.

[Explanation of symbols]

 1 Cable 2 Power Terminal Board 3 Power Board 4 Crimp Terminal 5 Cable Clamp 6 Locking Protrusion 7 Fixing Hole 8 Square Hole 9 Locking Groove 10 Screw Hole

Claims (1)

[Claims] 1. A crimp terminal having a cable clamp portion for connecting a cable tip at an end and a fixing hole at a central portion is provided, and the crimp terminal is fixed to a power supply plate to connect the cable and the power supply plate. In the cable fixing structure to be achieved, an L-shaped locking projection protruding downward is provided on the side opposite to the cable clamp side of the crimp terminal, and the locking projection is fitted and locked around the fixing hole of the crimp terminal. A cable fixing structure characterized in that a plurality of square holes are arranged at equal intervals, and further U-shaped locking grooves into which the locking projections are fitted and locked are provided on each side of the power supply plate.