JPS587216B2 - relay socket - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a relay socket, and in particular, by freely sliding the position of the lead-out terminal according to the type of relay to be mounted, it is possible to use either a normally open contact type or a normally closed contact type. It takes a relay socket with a new configuration that can also be applied to other types of relays.

For example, small relays used for the output of electronic devices such as sequence controllers are usually configured separately as normally open contact type relays or normally closed contact type relays.

For this reason, the relay sockets used usually have different configurations corresponding to each relay, and therefore two types of relay sockets are inevitably required for manufacturing.

This invention was proposed in view of the above points, and compared to conventional relay sockets, it is possible to use one relay socket to support the above two types of relays without adding any extra parts, and it is economical. The purpose is to provide a relay socket that is highly efficient and has a wide range of use.

Hereinafter, the present invention will be explained in detail based on one embodiment shown in the drawings.

1 has relay terminal insertion holes 21, 22,
23 and 24 are opened, and lead-out terminal blocks 3 and 3 are arranged in steps on one side of the base 2,
Reference numeral 4 denotes barriers 5 erected on both sides of the terminal blocks 3, 3 according to the respective heights of the lead-out terminal blocks 3, 3, and 6.7 denotes connection fittings each inserted and fixed at a predetermined position in the socket body 1. The connecting fitting 5 has a substantially ■■-shaped cross section, and has a protrusion 5a having a screw hole into which the threaded part of the terminal screw 8 is screwed on one side, forming a lead-out terminal 5A, and the other end has a terminal of the relay Ry. A socket fitting 9 to be fitted is attached to form a socket terminal 5B.

This connection fitting 5 is connected to two positioning holes 10A and 10B provided in the upper lead-out terminal block 3 of the socket body 1.
A terminal screw 8 is screwed into the screw hole of the protrusion 5a and fixed to either one of the two through the wire holding fitting 11.

When the lead-out terminal 5A of the connection fitting 5 is fixed to the hole 10A side, the plug terminal 5B at the other end is connected to the relay Ry.
When the normally open terminal N-0 of the relay Ry is located opposite to the lower side of the terminal insertion slot 22 into which it is inserted, and the lead-out terminal 5A is fixed to the hole 10B side, the socket terminal 5B is connected to the normally closed terminal N of the relay Ry.
The respective holes 10A and 10B are positioned so as to be opposite to each other below the terminal insertion opening 21 into which -C is inserted.

In addition, the socket body 1 is designed such that the socket terminal 5B can be moved across both the terminal insertion openings 21 and 22.
Room A is formed inside.

The holes 10A and IOB are formed by a barrier 10a in the center and barriers 10b and 10c on both sides, of which the barrier 10a is formed to have a lower height than the other barriers 10b and 10c. Then, as described later, use a driver-like tool D to adjust the position of the lead-out terminal 5A to the holes 10A and I.
When switching to either OH, the transition of the terminal 5A is made smooth, and the barriers 10b and 10c at both ends serve as stoppers.

12 is a dustproof sheet, which is attached to the protrusion 5a of the connection fitting 5;
It is attached by inserting a through hole formed in the mid-abdomen.

The seat 12 is arranged such that when the lead-out terminal 5A is fixed to the hole 10A side, the left end thereof covers at least the upper opening end of the space G formed between the side wall 3a of the terminal block 3 and the barrier 10c. It is formed.

The connecting fitting 6 is formed to have a ■■-shaped cross section, and similarly to the connecting fitting 5, a protrusion 6a is formed on one side to form a lead-out terminal 6A, and a socket fitting 9 is attached to the other end to form a receiving terminal 6B.

To attach this connection fitting 6 to the main body 1, the through hole 6C formed in the midsection is inserted into the barrier 10bt10c, and the wire holding fitting 11 is inserted into the recess formed at a predetermined position of the terminal block 3 at the lower part of the terminal 6A. and the terminal screw 8, while connecting the socket terminal 6B to the common terminal C of the relay Ry.
is fixedly attached to the socket body 1 so as to be positioned opposite to the terminal insertion hole 23 into which the terminal is inserted.

The connecting fitting T has a generally △-shaped socket terminal 7B formed at its upper end and a solder connection terminal IA at its lower end, and the socket terminal 7B is used as a terminal into which the coil terminal CL of the relay R, y is inserted. The connection terminals 7A are positioned below and opposite the insertion holes 24, 24, and are led out from the bottom surface of the socket body 1.

Note that a shape that allows the connection terminal γA to be led out in the lateral direction of the socket through the lateral hole 13 formed in the lower right portion of the main body 1 may be used.

Furthermore, the shape of the connection terminal 7A may be changed from the illustrated example for solder connection to wire wrapping connection, printed board connection, or the like.

Furthermore, a rail mounting member 15 is removably attached to the bottom surface of the socket body 1 via a spring 14.
A hook portion 15a formed on the inner end of the body 1 and a hook portion 16 provided on the bottom surface of the main body 1 opposite to the hook portion tSa.
Connect the socket body 1 to the ■■-shaped rail (not shown) using
It is also possible to fit and attach it to a horizontal piece.

In addition, a female screw 1γ is embedded in the main body 1 on the side opposite to the terminal blocks 3, 3 of the main body 1, and a mounting screw 18 is screwed into the female screw 1γ.
Utilizing this, the socket body 1 can be screwed onto a vertical wall surface as well.

Reference numeral 19 is a ■-shaped hook piece, and when the main body 1 is mounted on a rail or the like, a blind cover (not shown) is erected between the rail mounting surface and the hook piece 19, and the terminal 7A is connected to the external conductor. It is designed to be insulated from the body.

20, 20 is when the relay Ry is installed on the base 2,
This is an engaging portion for catching a stopper (not shown) that prevents the relay Ry from coming off from the socket body 1 due to vibration or the like.

Next, a procedure for switching the connecting fitting 5 according to the present invention will be explained.

For example, when switching the lead-out terminal 5A of the connecting fitting 5 from the solid line position shown in FIG. Then, insert the tip of a screwdriver-like tool D into the screw hole in the protrusion 5a of the connecting fitting 5, and rotate the tool D clockwise.

In response to this rotational force, the connecting fitting 5 is moved in the direction of the arrow and stops at a position where the outer wall of the protrusion 5a abuts against the barrier 10c.

Incidentally, at the same time, the seat 12 also moves in the direction of the arrow.

Then, with the connection fitting 5 held at the stop position, the terminal screw 8 is screwed into the inner threaded hole of the protrusion 5a via the holding fitting 11.

At this time, the screw tip of the terminal screw 8 is inserted into the positioning hole 10B.
It is inserted into the inside and positioned.

In addition, when switching the connecting fitting 5 from the position indicated by the two-dot chain line in FIG. 4 to the position indicated by the solid line, the above-described procedure may be reversed.

Since the relay socket according to the present invention is constructed as detailed above, one relay socket can be used regardless of whether the relay Ry to be mounted is a normally open contact type or a normally closed contact type. It is something that can be applied.

Further, in this case, the relay socket according to the present invention can be realized with a very simple structure without adding any extra parts compared to the conventional relay socket.

Therefore, the economic efficiency in manufacturing the relay socket can be increased.

[Brief explanation of the drawing]

The drawings all show one embodiment of the relay socket according to the present invention, and FIG. 1 is a plan view of the relay socket;
Fig. 2 is a side view, Fig. 3 is a longitudinal sectional front view showing the relationship between the relay and the relay socket, and Fig. 4 is an exploded longitudinal sectional front view of the main parts to explain the procedure for switching the connecting fitting according to the present invention. It is. 1... Socket body, 2... Insulating base, 3... Output terminal block, 5, 6, 7... Connection fittings, 5A, 6A... Output terminal, 5B, 6B... Receptacle terminal, Ry... relay, 21,2
2,23.24...Terminal insertion slot, N・0...Normally open terminal,
N-C...Normally closed terminal.

Claims (1)

[Claims] 1. In a socket that has a relay terminal insertion slot on the top surface of the base and a step-wise arrangement of lead-out terminal blocks on the side of the base, select the position of the lead-out terminal at two different positions on the lead-out terminal block. at least one connecting fitting that can be fixed at different positions;
A relay socket configured such that a plug terminal provided at the other end of the lead-out terminal faces a normally open terminal of the relay through the terminal insertion opening, and is fixed in the other position facing a normally closed terminal. .