CN217933631U - Swinging motion type magnetic latching relay - Google Patents

Abstract

The utility model provides a swing motion type magnetic latching relay, include: a base; the magnetic circuit part comprises a coil rack, a terminal pin, a coil, an iron core and a yoke, wherein one end of the iron core is fixed with the yoke, and the other end of the iron core forms an iron core convex hull; the transmission part comprises a push rod, magnetic steel and two armatures, the push rod is rotatably arranged on the coil frame, the rotating center of the push rod is positioned at one end of the coil frame in the length direction, the magnetic steel is positioned right above the convex hull of the iron core, and two side faces of the magnetic steel respectively abut against the two armatures. The rotating center of the push rod is positioned at one end of the coil rack in the length direction, so that the force arm of the push rod driving the movable reed is lengthened, and the movable reed is more easily driven to act; in addition, only need set up an iron core convex closure, a magnet steel and two armature that length is shorter, compare with the mode that prior art need set up two iron core convex closures, two magnet steels and two armature that length is longer, spare part quantity is still less like this, and the structure is simpler, has reduced manufacturing cost.

Description

Swinging motion type magnetic latching relay

Technical Field

The utility model relates to a relay technical field, concretely relates to swing motion type magnetic latching relay.

Background

A magnetic latching relay, which is one of electromagnetic relays, has been rapidly developed because its coil does not require a long-term power supply and has a function of automatically turning on and off a circuit, thereby effectively reducing the power consumption of the relay coil.

The Chinese patent document CN215896259U previously applied by the applicant discloses a double-swing magnetic latching relay convenient to install, which comprises a base, a magnetic circuit part and a transmission part, wherein the magnetic circuit part mainly comprises a bottom plate, an iron core and a coil frame, the iron core is provided with an iron core convex hull I and an iron core convex hull II which are respectively positioned at two ends of the coil frame in the length direction, the transmission part comprises an injection molding part, two armatures and two magnetic steels, the injection molding part rotates around the middle part of the bottom plate, the two armatures are all arranged along the length direction of the injection molding part, two ends of the two armatures extend out of the injection molding part, and the two armatures correspond to the iron core convex hull I and the iron core convex hull II. When the coil is electrified, the polarities of the first iron core convex hull and the second iron core convex hull are opposite, and magnetic acting force is generated between the two ends of the armature (the armature is in contact with the magnetic steel, so that magnetism is generated) and the first iron core convex hull and the second iron core convex hull respectively, so that the injection molding part is driven to rotate, and the movable spring is driven to be in contact with or separated from the static spring. Because the injection molding rotates around the middle part of bottom plate (also be located directly over the middle of coil former), its arm of force that drives the movable spring action is shorter, can the quick action in order to guarantee the movable spring action, consequently set up iron core convex closure one, iron core convex closure two, two longer length's armature and two magnet steels, spare part is more like this, and the structure is complicated, has increased the cost.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that magnetic latching relay spare part is in large quantity, the structure is complicated, with high costs among the prior art to a spare part is small in quantity, simple structure and with low costs swing motion type magnetic latching relay is provided.

Therefore, the utility model provides a swinging motion type magnetic latching relay, including base, magnetic circuit part, transmission part and contact site, the magnetic circuit part includes coil former, pin, coil, iron core and yoke, the iron core runs through the middle part through-hole setting of coil former, and its one end is fixed with the yoke, and the other end forms the iron core convex closure; the transmission part comprises a push rod, magnetic steel and two armatures, the push rod is rotatably arranged on the coil rack, the rotating center of the push rod is positioned at one end of the coil rack in the length direction, the magnetic steel is positioned right above the convex hull of the iron core, and two side surfaces of the magnetic steel are respectively abutted against the two armatures; the contact part comprises two groups of movable spring pieces and static spring feet which are oppositely arranged, and the push rod is provided with a slot for the movable spring pieces to be inserted into.

A first spacer between the coil and the contact portion and a second spacer between the terminal pin and the contact portion are integrally formed on the base.

And the first partition plate and the second partition plate are both provided with reinforcing ribs.

The push rod is assembled with the coil rack through a pin, and a first insertion hole and a second insertion hole for inserting the pin are formed in the push rod and the coil rack respectively.

The push rod is provided with a groove which is positioned at the top of the first jack and is suitable for mounting the head of the pin head.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a swinging motion type magnetic latching relay, because the rotation center of the push rod is positioned at one end of the length direction of the coil rack, the force arm of the push rod driving the movable reed is lengthened, and the movable reed is more easily driven to act; in addition, only one iron core convex hull, one magnetic steel and two armatures with shorter length are needed to be arranged, compared with the mode that two iron core convex hulls, two magnetic steels and two long armatures in length need to be arranged in the prior art, the number of parts is less, the structure is simpler, and the production cost is reduced.

2. The utility model provides a swing motion type magnetic latching relay, integrated into one piece has the first baffle that is located between coil and the contact site on the base to and be located the second baffle between pin and the contact site, first baffle and second baffle can effectively completely cut off electric arc to the influence of coil and pin, have further improved the reliability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of a swinging motion type magnetic latching relay of the present invention;

FIG. 2 is a perspective view of FIG. 1 with the cover plate removed;

FIG. 3 is a schematic diagram of the exploded structure of FIG. 1;

fig. 4 is an exploded view of the magnetic circuit portion, the transmission portion and the contact portion;

FIG. 5 is a perspective view of the transmission portion;

FIG. 6 is an exploded view of a magnetic circuit portion;

fig. 7 is a cross-sectional view of fig. 2.

Description of the reference numerals: 1. a base; 2. a bobbin; 3. a terminal pin; 3a, a first terminal pin; 3b, a second terminal pin; 4. a coil; 5. an iron core; 6. a yoke iron; 7. an iron core convex hull; 8. a push rod; 9. magnetic steel; 10. an armature; 11. a movable spring plate; 12. a static spring foot; 13. a slot; 14. a first separator; 15. a second separator; 16. reinforcing ribs; 17. a pin; 18. a first jack; 19. a second jack; 20. a groove; 10a, a first armature; 10b, a second armature.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Examples

The present embodiment provides an oscillating motion type magnetic latching relay including a base 1, a magnetic circuit portion, a transmission portion, and a contact portion.

The magnetic circuit part, as shown in fig. 3, 4 and 6, comprises a coil frame 2, terminal pins 3, a coil 4, an iron core 5 and a yoke 6, wherein the iron core 5 is arranged through a central through hole of the coil frame 2, one end of the iron core is fixed with the yoke 6, and the other end forms an iron core convex hull 7.

The transmission part, as shown in fig. 2 and 5, includes push rod 8, magnet steel 9 and two armatures 10, push rod 8 rotationally installs through the pin on coil former 2, and its center of rotation is located 2 length direction's of coil former one end, as shown in fig. 7, magnet steel 9 is located directly over iron core convex closure 7, and its both sides face respectively with two armature 10 offsets. The push rod 8 and the coil frame 2 are respectively formed with a first insertion hole 18 and a second insertion hole 19 for inserting the pin 17, and the push rod 8 is formed with a groove 20 which is positioned at the top of the first insertion hole 18 and is suitable for mounting the head of the pin 17.

The contact part comprises two groups of movable spring pieces 11 and static spring feet 12 which are oppositely arranged, and the push rod 8 is provided with a slot 13 for inserting the movable spring pieces 11.

And a base 1 integrally formed with a first spacer 14 between the coil 4 and the contact portion, and a second spacer 15 between the terminal pin 3 and the contact portion. The first partition plate 14 and the second partition plate 15 are provided with reinforcing ribs 16.

The operation principle of the oscillating motion type magnetic latching relay of the present embodiment is as follows:

when the first terminal pin 3a is a positive pole and the second terminal pin 3b is a negative pole, the iron core convex hull 7 has N polarity, as shown in fig. 7, according to the principle of "like poles repel each other and opposite poles attract" of the magnetic field, the first armature 10a in contact with the N pole of the magnetic steel 9 and the iron core convex hull 7 of the N pole generate repulsion, and the second armature 10b in contact with the S pole of the magnetic steel 9 and the iron core convex hull 7 of the N pole generate attraction.

When the first terminal pin 3a is a negative electrode and the second terminal pin 3b is a positive electrode, the iron core convex hull 7 has an S polarity, the first armature 10a in contact with the magnetic steel 9N pole and the iron core convex hull 7 of the S pole generate attraction, the second armature 10b in contact with the magnetic steel 9S pole and the iron core convex hull 7 of the S pole generate repulsion, and the push rod 8 swings to the right side.

The utility model provides a swing motion type magnetic latching relay, because the centre of rotation of the push rod 8 is located at one end of the length direction of the coil former 2, the force arm of the push rod 8 driving the movable reed 11 is lengthened, and the movable reed 11 is more easily driven to move; in addition, only one iron core convex hull 7, one magnetic steel 9 and two armatures 10 with shorter lengths need to be arranged, so that the magnetic iron core magnetic iron is less in number of parts and simpler in structure, and the production cost is reduced compared with the mode that two iron core convex hulls, two magnetic steels and two armatures with longer lengths need to be arranged in the prior art.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (5)

1. An oscillating motion type magnetic latching relay, characterized by comprising:

a base (1);

the magnetic circuit part comprises a coil rack (2), terminal pins (3), a coil (4), an iron core (5) and a yoke iron (6), wherein the iron core (5) penetrates through a through hole in the middle of the coil rack (2), one end of the iron core is fixed with the yoke iron (6), and the other end of the iron core forms an iron core convex closure (7);

the transmission part comprises a push rod (8), magnetic steel (9) and two armatures (10), the push rod (8) is rotatably arranged on the coil rack (2), the rotating center of the push rod is positioned at one end of the coil rack (2) in the length direction, the magnetic steel (9) is positioned right above the iron core convex hull (7), and two side faces of the magnetic steel are respectively abutted against the two armatures (10);

the contact part comprises two groups of movable spring pieces (11) and static spring feet (12) which are oppositely arranged, and the push rod (8) is provided with an inserting groove (13) for the movable spring pieces (11) to be inserted into.

2. The oscillating motion magnetic latching relay according to claim 1, characterized in that a first spacer (14) between the coil (4) and the contact portion, and a second spacer (15) between the terminal pin (3) and the contact portion are integrally formed on the base (1).

3. The oscillating motion magnetic latching relay according to claim 2, characterized in that the first partition plate (14) and the second partition plate (15) are each provided with a reinforcing rib (16).

4. The oscillating movement type magnetic latching relay according to any one of claims 1 to 3, wherein the push rod (8) is assembled with the bobbin (2) by a pin (17), and the push rod (8) and the bobbin (2) are respectively formed with a first insertion hole (18) and a second insertion hole (19) into which the pin (17) is inserted.

5. The oscillating motion magnetic latching relay according to claim 4, characterized in that the push rod (8) is formed with a groove (20) at the top of the first receptacle (18) adapted for head mounting of the pin (17).

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