JPH0134295Y2 - - Google Patents

Description

[Detailed Description of the Invention] "Industrial Application Field" The present invention relates to a short plate for a terminal block.

``Prior Art'' In a terminal block in which a plurality of insulating units equipped with terminal boards are stacked one on top of the other, short circuits are performed by connecting the tabs of the terminal boards with wiring.

``Problem that the invention is trying to solve'' Because it is a short, the tabs are connected by wiring, so a special tab for the short is required. In addition, short wiring is similar to other wiring, so when wiring, it is difficult to tell which wiring is short wiring. Furthermore, if a tab dedicated to the short is provided in a terminal block where space is limited, an intervening member will be required in the insulating unit to increase the insulation distance.
Furthermore, wiring to tabs does not necessarily make installation and removal easy.

``Means to solve the problem'' Insulation units equipped with terminal boards are stacked one on top of the other,
This is a short plate for a terminal block that allows adjacent terminal boards to be shortened, and is formed by connecting one insertion piece, a connecting piece, and the other insertion piece in a U-shaped cross section, and the insertion piece connects to the H-shaped cross section of the terminal board. A short of a terminal block characterized in that the connection piece is formed so as to be inserted into the slit part of the hole and can contact the terminal board, and the connecting piece is formed to have the same length as the length between adjacent slit parts of adjacent H-shaped holes. It is a board.

``Operation'' Grasp the connecting piece of the shot piece, insert the insertion piece into the adjacent slit part of the adjacent H-shaped hole and attach it, then grip the connecting piece and pull it out to remove it.

``Example'' The terminal block is made by stacking a plurality of insulating units 2 with terminal plates 1 attached as shown in FIGS. and then attach it to the required location. Further, the insulating unit 2 can also be fitted and attached to the rail 3.

The insulation unit 2 is shown in FIGS. 4, 5 and 6.
As shown in the figure, positioning pins 6 and 7 are provided protrudingly on one side, and positioning holes 8 and 7 are provided on the other side at locations corresponding to the positioning pins 6 and 7.
9 is recessed. The positioning pins 6 and 7 of the insulating unit 2 constructed in this way are connected to a separate insulating unit 2.
A plurality of pieces are overlapped by fitting into the positioning holes 8 and 9 of. When attaching with screws, screws 5 are inserted into the insulating unit 2 and the end plate 4 at both ends, respectively, and overlapped. When installing the rail, the end plate 4 is placed on one end, and the groove 10 provided at the bottom of the end plate 4 and the insulating unit 2 is inserted into the rail 3.

As shown in FIGS. 7, 8, and 9, the terminal board 1 is made of sheet metal, and is formed by connecting an upper horizontal piece 11, an upright piece 12, and a lower horizontal piece 13 in a U-shaped cross section. The sides of the horizontal piece 11 and the lower horizontal piece 13 are attached to the tabs 14.
to form. In the tab 14 part, the plate connecting the upper and lower tabs is removed, and the tab 14 is formed obliquely so that the outer side faces upward.
A small hole 15 is made.

The terminal plate 1 thus constructed is fitted into the groove 16 of the insulating unit 2.

The shot plate 17 is used to shoot adjacent terminal plates 1 of the terminal plates 1 arranged as described above, and one embodiment thereof is shown in FIGS. 10, 11, and 12. This short plate 17 is made of sheet metal, and is formed by connecting one insertion piece 18, a connecting piece 19, and the other insertion piece 20 in a U-shaped cross section.

On the other hand, H-shaped holes 21 are formed in the upper and lower horizontal pieces 11 and 13 of the terminal plate 1 to receive the insertion pieces 18 and 20 of the short plate 17. A slit portion 2 that receives the insertion pieces 18 and 20 of the shot plate 17 on the side of this H-shaped hole 21
2 is engraved.

The installation of the short plate 17 to the terminal plate 1 is carried out in the first
As shown in FIGS. 2 and 3, the connection piece 19 of the short plate 17 is grasped and the insertion piece 18 and the insertion piece 20 are inserted into the slit portion 22 of the H-shaped hole 21 of the terminal plate 1. At this time, the insertion piece 18 and the insertion piece 20 are inserted into adjacent slit portions 22 of adjacent H-shaped holes 21.

In order to make the insertion pieces 18 and 20 of the short plate 17 soft on the lower side and hard on the upper side, as shown in FIG. 10, a lower protruding piece 23 and an upper protruding piece 24 are formed.
A central groove 25 and side grooves 26 are carved, and
The connecting piece 19 is formed to have the same length as the length between adjacent slit portions 22 of adjacent H-shaped holes 21.

When this short plate 17 is inserted, since the lower part is weak and the upper part is strong, the lower protruding piece 23 bends and makes sufficient contact with the slit part 22 of the lower horizontal piece 13, and the upper protruding piece 24
expands outward and fully contacts the slit portion 22 of the upper horizontal piece 11. The insertion pieces 18, 20 each make four-point contact or at least three-point contact. Although it is required to keep the temperature rise of the contacts below a certain level, temperature rise can be prevented by ensuring a larger number of contacts.

Other examples of the shot plate 17 are shown in FIG. 13 as a second embodiment, FIG. 14 as a third embodiment, and FIG.
Contact structure as shown in FIGS. 15 and 16 as an embodiment, as shown in FIGS. 17, 18, and 19 as a fifth embodiment, and as shown in FIGS. 20 and 21 as a sixth embodiment, respectively. There are many ways to think about it.

``Effect of the invention'' As mentioned above, the present invention is a short plate for a terminal block in which insulating units equipped with terminal boards are overlapped and adjacent terminal blocks are shorted, and one insertion piece and one connecting piece are connected to each other. The other insertion piece is connected in a U-shaped cross section, and the insertion piece can be inserted into the slit part of the H-shaped hole of the terminal board and come into contact with the terminal board, and the connecting piece can be inserted into the slit part of the H-shaped hole of the terminal board, and the connecting piece can be inserted into the slit part of the H-shaped hole of the terminal board. This is a short plate of a terminal block formed to have the same length as the length between adjacent slit parts, and a special tab is required on the terminal block to make it short. Also, since a shot board is used when wiring, you can immediately see which locations are shot. Furthermore, since no dedicated shot tab is provided in the insulation unit, there is no need for an intervening material to increase the insulation distance. Furthermore,
Installation and removal are extremely easy.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which Fig. 1 is a side sectional view of the terminal block, Fig. 2 is a plan view of Fig. 1, and Fig. 3 shows the end plate 4 of Fig. 1 removed and attached to the rail. Fig. 4 is a front view of the insulating unit, Fig. 5 is a cross-sectional view taken at -' in Fig. 4, Fig. 6 is a rear view of Fig. 4, and Fig. 7 is a front view of the terminal board. Figure, 8th
The figure is a plan view of Fig. 7, Fig. 9 is a right side view of Fig. 7, Fig. 10 is a front view of the shot plate, Fig. 11 is a plan view of Fig. 10, and Fig. 12 is a plan view of Fig. 10. A right side view, and FIG. 13 is a front view of the second embodiment of the shot plate.
Figure 14 is a front view of the third embodiment of the shot plate;
5 is a front view of the fourth embodiment, FIG. 16 is a right side view of FIG. 15, FIG. 17 is a front view of the fifth embodiment of the shot plate, FIG. 18 is a plan view of FIG. 17, and FIG. The drawings are a right side view of FIG. 17, FIG. 20 is a front view of the sixth embodiment of the short plate, and FIG. 21 is a plan view of FIG. 20. 1...Terminal board, 2...Insulation unit, 17...
Short plate, 18...One insertion piece, 19...
...Connection piece, 20...Other insertion piece, 21...
H-shaped hole, 22...slit portion.

Claims (1)

[Scope of utility model registration request] A short plate for a terminal block in which insulating units equipped with terminal blocks are overlapped and adjacent terminal blocks are shorted, and is formed by connecting one insertion piece, a connecting piece, and the other insertion piece in a U-shaped cross section. The insertion piece is inserted into the slit part of the H-shaped hole of the terminal board and formed so that it can contact the terminal board, and the connecting piece has a length equal to the distance between adjacent slit parts of adjacent H-shaped holes. A short plate of a terminal block characterized by a formed.