JPS584232A - Ministure solenoid relay - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] This invention provides a large capacity for accommodating the electromagnet.
This invention relates to a small electromagnetic relay that has good sealing properties and is easy to assemble.

In recent years, with the trend toward smaller lids for electronic circuit elements, there has been a strong demand for smaller lids for electromagnetic relays. However, electromagnetic relays have a complex structure and a large number of component parts, and as they are reduced in size, the number of assembly errors increases.

For this reason, conventional electromagnetic relays with small lids do not require screw fixing, position adjustment, etc. In order to be able to assemble and manufacture the terminals easily and uniformly by simply fitting them together and gluing them together, a plurality of terminals are placed accurately in advance, molded with an absolute material so that they are uniform, and the other end of the terminals A contact block is used in which the contacts and other parts are soldered to form a contact spring assembly.

FIG. 1 shows a conventional electromagnetic relay using such a contact block. That is, the plurality of terminals 1.1 are connected to the insulating parts $2, 2. A pair of contact blocks 10.10 each having a spring assembly 6.5 at the other end of the terminal 1.1 passing upward through the insulating member 2%2 are inserted into the pair;
Insulating member 2.20 facing nine strokes Km and nine spaces 11I8
, 3, electromagnet 4, armature, and hinge spring (-not shown)
etc., and connect these pair of contact ports from the left and right sides. And this spring assembly 6,5
Insulating member 2 is fitted so as to cover it with a transparent cover 6.
．． Insert into 2. Then, adhesive is applied to the center alignment portions 7 of the two insulating members 2.2 and the center alignment portions 8 of the insulating members 2, 2 and the transparent cover 6.

In this way, a small electromagnetic relay can be easily assembled.

However, in this small wrinkle electromagnetic relay, terminals 1.1,
. . . is molded vertically through the hollow portion 3, and the insulating member 2 is thick, and the two hollow portions 3, 3 correspond to the volume of the entire electromagnetic relay.
Only a small volume can be obtained.

This round electromagnet 4.1! Since a large storage capacity for poles and the like cannot be secured, the electromagnet 4 has to be made smaller. For this reason, electricity
The rounded iron core cannot be made large, and the number of turns of the electromagnet coil cannot be increased. There are nine drawbacks. There are butt parts 7.8 all over the opto-electromagnetic and electric appliances.By rolling and coating, these parts 7.8 can be removed.
It is far from complete mourning. In addition, there are six disadvantages in that moisture enters through this center alignment part 7.8 and interferes with the operation of the electromagnetic relay.
1, terminals 1, 1. −
......and the insulating member 2o has a significantly different heat shrinkage rate, and the insulating member 2 and the terminal are rolled and rolled! Another disadvantage is that a mold part and O have a moldy gap, and moisture can enter from the outside to the inside of the electromagnetic relay due to capillary action.
Nineteen.

In order to eliminate these drawbacks, the compact electromagnetic relay of this invention has an electromagnet inside the thin cover instead of housing the electromagnet between the two contact blocks. By covering the ζOII point block OIa child delivery box with a lid, the volume of the electromagnet is increased, and the center meeting part is made extremely small to improve sealing performance and reduce the work of applying adhesive. In addition, the insulating member is not directly exposed to the outside to prevent the intrusion of moisture due to capillary action from the terminal mold part, and the existence of a void IIO between the cover body and the insulating member may prevent the terminal from the terminal hole in the cover body. 411 [closed] that moisture is prevented from entering the mold part due to capillary action.

An embodiment of the present invention will be described below based on the drawings.

FIG. 112 is an exploded perspective view showing an embodiment of the small-sized electromagnetic relay made by this manufacturer.

In the figure, a 20Fi electromagnet block is equipped with a 5-shaped yoke 22 so as to cover the bottom and one end surface of an electromagnet 210. Both ends of the yoke 220 are formed with ninth convex portions 23.23 that fit into the holes 25.25 for a pair of contact blocks 24.24C, respectively.

Contact block 24 consists of an insulating member 26 in the shape of a rectangular parallelepiped made of synthetic resin, etc., terminals 27 to 80 are formed at one end, and a highly conductive member is molded.

These conductive members are connected to the terminal 27°2 as shown in the TSS diagram.
It has nine connecting pieces 311, a base piece 32, and a rotating contact plate piece 83.

As shown in No. 5, 45, the insulating member 26 has K, terminals are integrated, and the insulating member 26 has a notch of 85.86°37 in 91ii2@a,
j (F) ii Opposite to 25a 11 Oii 12 abK & has a notch aSS 0 These notches 85~・3
8 is formed to an appropriate depth, and one surface 26jL, 261)K is provided with a bottom surface parallel to P.

The connection piece 81, the pedestal piece 32, the fixed contact plate piece 38.3
4 are concentrated toward the outside of the garden WK at notches 35, 86, 37, and 38, respectively. That is, the connection piece 81, the pedestal piece 32, and the fixed contact plate piece 3! aw
It is concentrated on the zaa side, and the other fixed contact plate piece 34-wire terminal is concentrated on the side opposite to the round surface 26a.

The connecting piece 31, the pedestal piece 82, and the constant contact plate pieces 83, 34 each have a notch 86,! 6.1.38 is folded at right angles along the bottom surface. Next, two fixed contact plate pieces 3L
34 is a surface 26 & 34 sandwiching the insulating member 20 from both upper and lower surfaces.
%26t) and 26t) face each other on the side of the matching surface 260.

One end of a movable contact spring 39 is fixed to the upper surface of the base piece 32, as shown in FIG. Therefore, the other end of the movable contact spring 39 is located between the two fixed contact plate pieces 83 and 34, but due to its springiness, the upper fixed contact plate piece 8a is always
It is touching the side. Contact members 88a, 34. are provided on the surfaces facing each other of the identification contact plate pieces 3g and a4, respectively. must arrive at the same time. As shown in FIG. 5, this nine K is because the solid contact plate pieces 88 and 34 protrude upward and downward, respectively, so that each contact member 33-1a on both sides of the same
After fixing the hat, just bend them so that they face each other.

Contact members a are provided on both upper and lower surfaces of the movable contact spring 39, respectively.
At the 9th position corresponding to aas sea, the contact part Ha
Q & * 39 b is * formed at the base of the protrusion +00 that is concentrated approximately in the center of the surface 26kl on the opposite side from the fixation. The elasticity of the upper edge 231 holds the convex portion 23 strongly.G. The L-shaped hinge springs 42 are overlapped, and in this state K, the insulating member 26 is inserted from both sides of the iron 220.
, 260 and press the hole 25.25 into the convex portion 23.
23 nods. Therefore, as shown in 6th wA, the armature +10 end 4-1& is located above the movable contact spring 3g. When the coil of the electromagnet is energized and the iron core 21aK is attracted, the armature 41 presses the movable contact spring 39 downward.

As a result, the movable contact spring 390 contact member 39b comes into contact with the contact member 341LKllI of the lower fixed contact plate piece 34. In this way, the contacts are switched.

In this way, the electromagnet block 20 is held between the pair of contact blocks 24, 24 from both sides, and covered from above with a rectangular hollow cover 4-3 with a side opening at the bottom.

The rectangular flat bottom cover 44 has terminal holes 45 to 48 through which the terminals 27 to 30 pass. Therefore, the terminal protrusion 'W of the insulating member 26 passes through each terminal 27 to 80 on the lower side of the cover 43.
If the cover 43 is pushed in to J26&, the opening of the cover 43 will be closed.Adhesive is applied to the shoulder edge of the cover 44 to fix the bottom cover 44 to the cover 43KII. Apply adhesive to the tip holes 45 to 48 as well. Therefore, as shown in FIG.
It will be located on the opposite side of the iron 22 from the electromagnet 21.

In this way, in the above-mentioned small electromagnetic relay, the contact spring assembly 49 is arranged perpendicularly to the terminal 1's collection 26sL, instead of being arranged on the opposite side of the terminal 10 with respect to the 5kK insulating member 20 as in the conventional example shown in FIG. It is constructed on the side of the image 26. For this purpose, the electromagnetic block 20 is connected to the contact pull 24.
24, the electromagnetic block 20 is housed in the center of the cover 43, and the electromagnetic block 2
A pair of 011 point blocks 24% 24 are positioned and accommodated at the bottom of 00.

Shut up, j11111011! Compared to small lid electromagnetic appliances, it is possible to secure a much larger electromagnet storage capacity, so the electromagnetic appliance metal body O volume and zero ratio car El? Therefore, it is possible to use a volume OSm stone that is dramatically hotter. Consequently, there is an advantage that a large electromagnetic driving force can be secured with small power consumption.

In the above-mentioned O-Korariden Iso-Denyu, the parts that are exposed to the outside are the cover 43) and the bottom lid 4. From the number with only 1lIIll, adhesive 0**Made II! 4. It is simple, the center joint part has low tkl/%O-@, 1, the sealing property is good, and the moisture from the center joint part is also reduced. The electromagnetic plotter 20 and the contact block 24 are placed inside the cover 48.
Insert and position the round object by aligning it with No. 2 and insert the bottom cover 4-
Since it is only necessary to close off the cover 43, assembly and manufacturing are only required in one piece, and the rounded K11ll structure covering these with the cover 43 is also large.

Furthermore, since the terminal center protruding surfaces 26& of the insulating members 26, 26 are not exposed to the outside and are covered with the bottom cover 44, it is extremely difficult for moisture to enter the voids of the terminal molds due to capillary action.
The terminal holes 45 to 48 of the bottom cover 44 are covered with adhesive, but if...

Even if this closure is incomplete and moisture may intrude, the intrusion of moisture into the inside of the insulating member 26 is almost completely prevented by the void Il between the bottom cover 44 and the terminal central exit surface 21.

In the front, the insulating member 26.26 is located in the space between the bottom cover 44 and the electromagnet 21, and as in the 15110th conventional example, the insulating member 26.26 extends to the deep part of the electric wire & relay, sandwiching the electromagnet 21. Because there is no moisture intrusion from the terminal mold part 4,
This is prevented from reaching the electrical appliances.

As explained above, according to the present invention, it is possible to obtain a small electromagnetic appliance that can accommodate a large electromagnet, has good sealing properties, almost completely prevents moisture intrusion, and is easy to assemble. .

[Brief explanation of the drawing]

Figure 1 is a side view a showing an example of the amount of electricity in the conventional O electric current.
ii. Figure 2 is an exploded perspective view showing an electromagnetic appliance in one embodiment of this Oli. That oblique ma
n, Figure 5 is a cross-section diagram of Moom that makes 'sP true for Joy 4IQ, 4th
＠ is a contact plotter 0 * m diagram showing the relationship between the ini child, the movable contact spring, and the O relationship, ed.
There is e. 20...electromagnet block, 21-electromagnet%22...
Yoke, 23...Protrusion, 24...Contact block, 25
-...Inset hole, 26...Insulating member, 27% to 8.29
．． 30... Terminal, 81... Connection piece, 82... One pedestal piece, 33... Plate piece for fixed contact, aaa-contact member, No. 8... Plate piece for fixed contact, 84 &... - contact tit , 35.
36.3? , 38-m1 missing! , 3G-11rln point pa *
, 39&... contact member, 89b-contact member, 40-...
・Picture collection part, 41... Armature, +2-・Hinge spring, 4
1-...Cover, 44...Bottom lid,
45.46.47.48...Terminal large, +9=contact spring 1ml 0-i 41st knee] 162- ト1 Figure 3 Figure 4 Figure 6 Figure 7 I Figure 7

Claims (1)

[Claims] An electromagnet, an armature, and a contact spring assembly driven by a wILIl pole are housed in a box-shaped case, and a terminal extending from the contact spring assembly is concentrated to the outside from one surface of the box-lid case. In the lid electric appliance IUI: The box-shaped case is composed of a case body with a negative side and a bottom cover that closes the mouth part of the case body, and a travel magnet is housed in the case body. ** A movable contact spring of the spring assembly is arranged between the child and the bottom cover, and the nine terminals extending from the contact spring assembly are concentrated to the outside through the front cover. Small electric appliance IUI electric appliance.