JPS5913242Y2 - Electrode body for plating reed switch parts - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a plating electrode body used for forming magnetic pole surfaces of reed switch parts, such as fixed terminals and movable pieces, by plating.

Currently, a reed switch as shown in FIG. 1 is commercially available.

In this reed switch, first and second fixed terminals 2.3 made of a magnetic material are sealed on both sides of a glass tube 1, and a magnetic pole surface 10 is provided on the upper surface of the enclosing piece 2a of the first fixed terminal 2. A spring-like fixed contact piece 4 is provided on the lower surface of the enclosing piece 2a, one end of which is fixed, and which extends along the enclosing piece 2a and is engaged with the end of the enclosing piece 2a. A fixed contact 5 is provided at .

On the other hand, a spring support piece 6 is attached to the enclosing piece 3a of the second fixed terminal 3.
is attached, and a movable piece 7 is provided at the end of this spring support piece 6.

One end of this movable piece 7 is provided with an L-shaped part 7a that faces the L-shaped part 3b provided in the enclosing part 3a of the second fixed terminal 3 through a magnetic gap, and the other end is provided with the A magnetic pole surface 11 is provided opposite to a magnetic pole surface 10 formed on the enclosing piece 2a of the first fixed terminal 2 with a magnetic gap therebetween.

Then, the movable contact 8 is provided on the movable piece 7, and the caulking part of the movable contact 8 is made to protrude to form a locking piece 9, which closes when a magnet piece is brought close to the contact opening/closing part. The length of the glass tube 1 is small, about 4 cm.

The present invention relates to an improvement of an electrode body that supports parts in such a reed switch in which the first fixed terminal 2 and the magnetic pole faces 10, 11 of the movable piece 7 are formed by plating.

Since the reed switch parts are mainly plated with precious metals, the required minimum amount of plating is not applied.

Node switch components are small, and local plating only at their tips requires a great deal of man-hours, especially leveling and arranging the components, which requires time and manpower.

Conventionally, this type of electrode body consisted of a large number of metal clips arranged side by side regularly and gripped by the metal clips.
There are methods of implanting parts into easily meltable metals, but these methods not only require time and effort to attach the parts, but also have the drawback of damaging the support part, that is, the part that is held too tightly with the clip or the implanted part. However, the latter has the disadvantage that the remaining easily soluble metal adheres to the reed switch, deteriorating the operating characteristics of the reed switch.

Therefore, the present invention aims to provide an electrode body that does not have such drawbacks, has a simple structure, and is extremely easy to use.

That is, in this case, a groove is formed in a support made of a conductive material, and an elastic material is fitted into the groove.The specific structure and method of use of this embodiment will be explained as follows based on the drawings. .

FIG. 2 shows a perspective view of the embodiment of the present invention, in which numeral 12 is a rod-shaped support made of a conductive material such as iron or brass provided with a square groove 13, and numeral 14 is an elastic material made of silicone rubber.

The entire surface of the support 12 is plated with Ni and Au to ensure contact with the parts to be plated, and the outer surface is coated with Teflon to prevent corrosion by the plating solution and to prevent contamination of the plating solution. That's what I do.

Further, the elastic material 14 is formed to have a height higher than the depth of the square groove 13 of the support body 12.

For example, when forming the magnetic pole face 11 of the movable piece 7 by plating, the electrode body according to the present invention is used first.
As shown in the figure, a large number of L-shaped portions 7a of the movable piece 7 are inserted between the inner surface of the square groove 13 of the support body 12 and the elastic body 14 in parallel.

Then, the support 12 is placed on the upper surface of the electrolytic plating bath 15 so that only a predetermined local part of the part to be plated is immersed in the electrolytic plating bath solution 16.

After plating, the movable piece 7 is removed from the support 12.

As described above, in the electrode body of the present invention, a groove is formed in the support 12 made of a conductive material, and one end of the part to be plated is inserted between the inner surface of the groove and the elastic material 14 fitted in the groove, and the part to be plated is suspended. Since a large number of parts are supported, it is easy to attach and remove the parts to be plated, and since plating can be applied without damaging the support part of the plated material, the plating process can be performed to ensure reliable opening and closing operations of the reed switch. It has a simple structure and is easy to use, and has remarkable practical effects.

4 and 5 show how to use the first fixed terminal 2 to form the magnetic pole surface 10. In this case, the movable piece 7
In the same way as in the case of , the electrolytic plating bath 1 is inserted between the inner surface of the square groove 13 and the elastic material 14 with the part to be plated facing upward, and the electrolytic plating bath 1 is inserted so that a predetermined local part is immersed in the electrolytic plating bath solution 16 as shown in FIG.
5.

Note that if the height of the elastic material 14 fitted into the groove is made higher than the depth of the groove as in the embodiment, it will serve as a guide when inserting the part to be plated, making it easier to attach the part to be plated. There is.

[Brief explanation of the drawing]

Fig. 1 is a sectional view of a known reed switch, Fig. 2 is a perspective view of an embodiment, Fig. 3 is a usage state thereof, Fig. 4 is a perspective view of a state in which a fixed terminal component is attached, and Fig. 5 is a perspective view of a known reed switch. It is a usage state diagram. 12... Support body, 13... Square groove, 14
...Elastic material.

Claims (1)

[Scope of utility model registration request] An electrode body for plating reed switch parts, which is made by forming a groove in a support made of a conductive material and fitting an elastic material into the groove.