CN214226828U

CN214226828U - Armature stabilizing relay

Info

Publication number: CN214226828U
Application number: CN202120348120.6U
Authority: CN
Inventors: 任世刚
Original assignee: Sanyou Corp Ltd
Current assignee: Sanyou Corp Ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-09-17
Anticipated expiration: 2031-02-07

Abstract

The utility model relates to the technical field of relays, in particular to an armature stabilizing relay, which comprises an insulator, an electromagnet and a terminal unit which are arranged on the insulator, and an armature unit which is movably arranged on the insulator; the armature unit comprises an insulating block, a permanent magnet arranged on the insulating block and two armature pieces; the insulating block is provided with a first protruding shaft and a second protruding shaft, and the insulator is provided with a blind hole and two jacks; the set square is provided with a concave hole and two bolts, the second protruding shaft is rotatably accommodated in the concave hole, and the two bolts are respectively inserted in the two inserting holes; the blind hole and the concave hole respectively limit a first protruding shaft and a second protruding shaft of the armature unit; the shrinkage pool, two bolts are located the three corners of set-square respectively, have the principle of stability with the help of triangle-shaped, and the armature unit is firm spacing on the insulator, avoids the fixed position between armature unit and the insulator to change and uses badly.

Description

Armature stabilizing relay

Technical Field

The utility model relates to a relay technical field especially discloses a formula relay is stabilized to armature.

Background

The relay is the switching part that is commonly used in various circuits, and the kind of relay is various, and electromagnetic relay is the commonly used one, and armature relay mostly disposes armature subassembly, and whether armature subassembly is fixed accurate direct influence relay's performance, and armature subassembly often leads to the performance state of relay inconsistent because fixed unstability among the prior art, and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In order to overcome the shortcoming and the not enough that exist among the prior art, the utility model aims to provide an armature stabilization type relay has the principle of stability with the help of triangle-shaped, stabilizes the armature unit spacing on the insulator, avoids the fixed position between armature unit and the insulator to take place to change and use badly, guarantees the uniformity of relay service performance.

In order to achieve the above object, the present invention provides an armature stabilized relay, including an insulator, an electromagnet and a terminal unit disposed on the insulator, and an armature unit movably disposed on the insulator, wherein the terminal unit includes a moving terminal and a static terminal disposed on the insulator, the electromagnet is used for driving the armature unit to move, and the moving armature unit is used for driving the moving terminal to turn on or off the static terminal; the armature unit comprises an insulating block, a permanent magnet arranged on the insulating block and two armature pieces, the two armature pieces are arranged in parallel, and the N pole and the S pole of the permanent magnet respectively attract the two armature pieces; the electromagnet is provided with two yokes which respectively extend between the two armature pieces at the two ends of the armature unit; the two ends of the insulating block, which are far away from each other, are respectively provided with a first protruding shaft and a second protruding shaft, the insulator is provided with a blind hole and two jacks, the first protruding shaft is rotatably accommodated in the blind hole, and the end surface of the free end of the first protruding shaft is a hemispherical convex surface which is abutted against the bottom surface of the blind hole; the set-square has shrinkage pool and two bolts, and the protruding axle of second rotates to hold and establishes in the shrinkage pool, and two bolts are inserted respectively and are established in two jacks, and shrinkage pool, two bolts are located the three corner of set-square respectively.

The insulator is provided with two first clamping grooves, the yoke iron is provided with flat plate parts accommodated in the first clamping grooves, the flat plate parts of the two yoke irons are respectively accommodated in the two first clamping grooves, and the flat plate parts of the two yoke irons are arranged in a coplanar manner; the blind hole and the two first clamping grooves are arranged in a collinear mode, and the two armature pieces are symmetrically arranged around the central axis of the first protruding shaft.

The insulating body comprises an insulating box and an insulating cover detachably connected with the insulating box, and the insulating box is provided with an accommodating cavity for accommodating the electromagnet, the armature iron unit and the terminal unit; the blind hole, the first clamping groove and the jack are all arranged on the insulating box; the insulating cover is abutted and pressed on one side of the triangular plate far away from the bolt, the insulating cover is provided with a pressing strip, and two ends of the pressing strip are respectively used for abutting against the flat plate parts of the two yokes, so that the flat plate parts are pressed and abutted against the bottom surface of the first clamping groove.

The pressing strip is provided with a second clamping groove, two ends of the flat plate part are respectively accommodated in the first clamping groove and the second clamping groove, and the bottom surface of the first clamping groove and the bottom surface of the second clamping groove clamp and abut against two ends of the flat plate part.

The insulation box is provided with a partition board positioned in the containing cavity, the electromagnet and the armature unit are positioned on the same side of the partition board, the armature unit and the terminal unit are respectively positioned on two sides of the partition board, the partition board is provided with a yielding hole for containing the push piece, and two ends of the push piece are respectively arranged on the movable terminal and the protruding part of the insulation block; the partition board is provided with two reinforcing ribs connected with the bottom surface of the accommodating cavity, and the two insertion holes are respectively arranged on the two reinforcing ribs.

The insulating box is provided with a positioning slot, and the insulating cover is provided with a positioning inserting plate inserted into the positioning slot.

The movable terminal comprises a fixed pin arranged on the insulating box, a movable spring arranged on the fixed pin and a movable contact arranged on the movable spring, the fixed terminal is arranged on the insulating box, and the fixed terminal is provided with a static contact which is connected with or disconnected from the movable contact; the fixed foot and the fixed contact are respectively provided with a reinforcing protrusion, the insulating cover is provided with a hole for accommodating the reinforcing protrusion, and the inner hole surface of the hole is used for blocking and abutting against the outer side surface of the reinforcing protrusion.

The insulation box is provided with a clamping groove, one end of the fixing foot is arranged on the insulation box, and the middle part of the fixing foot is provided with a clamping rib inserted into the clamping groove; one end of the static terminal is arranged on the insulating box, and the static contact is arranged in the middle of the static terminal and is positioned in the accommodating cavity; the other end of the fixed pin and the other end of the static contact are both provided with a guide pin which protrudes out of the insulator.

The utility model has the advantages that: in the manufacturing process of the relay, the blind hole and the concave hole respectively limit a first protruding shaft and a second protruding shaft of the armature unit; shrinkage pool, two bolts are located the three corners of set-square respectively, have the principle of stability with the help of triangle-shaped, and the armature unit is firm spacing on the insulator, avoids the fixed position between armature unit and the insulator to change and use badly, guarantees the uniformity of relay performance.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the exploded structure of the present invention;

fig. 3 is an exploded schematic view of another view angle of the present invention.

The reference numerals include:

1-insulator 2-electromagnet 3-terminal unit

4-armature unit 5-moving terminal 6-static terminal

7-triangle 8-insulation block 9-yoke

11-first protruding shaft 12-second protruding shaft 13-blind hole

14-jack 15-hemisphere convex surface 16-bolt

17-first neck 18-insulating box 19-insulating cover

21-partition plate 22-push sheet 23-reinforcing rib

24-positioning insertion plate 25-fixed foot 26-movable reed

27-reinforcing protrusion 28-retaining groove 29-retaining rib

31-first bearing 32-second bearing 33-iron core

34-expanding part 35-reducing part 36-perforation

71-concave hole 91-flat plate portion.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.

Referring to fig. 1 to 3, an armature stabilizing relay of the present invention includes an insulator 1, an electromagnet 2 and a terminal unit 3 mounted on the insulator 1, and an armature unit 4 movably disposed on the insulator 1, wherein the terminal unit 3 includes a movable terminal 5 and a stationary terminal 6 disposed on the insulator 1, the electromagnet 2 is used for driving the armature unit 4 to move, the movable armature unit 4 is used for driving the movable terminal 5 to move, and the movable terminal 5 can be in contact with the stationary terminal 6 or separated from the stationary terminal 6.

The armature unit 4 comprises an insulating block 8, a permanent magnet arranged on the insulating block 8 and two armature pieces, the two armature pieces are arranged at intervals and in parallel, the armature pieces are approximately rectangular flat plates, and the N pole and the S pole of the permanent magnet respectively attract the two armature pieces, so that the polarities of the two armature pieces are opposite.

The electromagnet 2 is provided with two yokes 9, and the two yokes 9 respectively extend into the space between the two armature pieces at the two ends of the armature unit 4; the two ends of the insulating block 8, which are far away from each other, are respectively provided with a first protruding shaft 11 and a second protruding shaft 12, and the two protruding shafts are respectively positioned at the upper end and the lower end of the insulating block 8. The insulator 1 is provided with a blind hole 13 and two insertion holes 14, the first protruding shaft 11 is rotatably accommodated in the blind hole 13, and the end surface of the free end of the first protruding shaft 11 is a hemispherical convex surface 15 abutting against the bottom surface of the blind hole 13.

When the electromagnet 2 drives the armature unit 4 to rotate, the friction resistance between the insulator 1 and the first protruding shaft 11 is reduced by means of the arrangement of the hemispherical convex surface 15, the insulating block 8 can be ensured to easily rotate relative to the insulator 1, and the convenience of rotation of the armature unit 4 is improved. The set square 7 is provided with a concave hole 71 and two bolts 16, the second protruding shaft 12 is rotatably accommodated in the concave hole 71, the two bolts 16 are respectively inserted in the two insertion holes 14, and the concave hole 71 and the two bolts 16 are respectively positioned at three corners of the set square 7.

In the manufacturing process of the relay, the blind hole 13 and the concave hole 71 respectively limit the first protruding shaft 11 and the second protruding shaft 12 of the armature unit 4; the concave hole 71 and the two bolts 16 are respectively positioned at three corners of the triangular plate 7, and the armature unit 4 is stably limited on the insulator 1 by virtue of the principle that the triangle has stability, so that the situation that the fixed position between the armature unit 4 and the insulator 1 is changed to cause poor use is avoided, and the consistency of the use performance of the relay is ensured.

The insulator 1 is provided with two first slots 17, the yoke 9 is provided with a flat plate part 91 accommodated in the first slots 17, the flat plate parts 91 of the two yokes 9 are respectively accommodated in the two first slots 17, and the flat plate parts 91 of the two yokes 9 are arranged in a coplanar manner. The blind hole 13 and the two first clamping grooves 17 are arranged in a collinear manner, and the two armature pieces are symmetrically arranged about the central axis of the first protruding shaft 11.

By means of the structural arrangement of the two first clamping grooves 17, the flat plate parts 91 of the two yokes 9 can be accurately arranged in a coplanar manner, the assembling accuracy of the yokes 9 is ensured, and the situation that the armature unit 4 is not used well due to the fact that the flat plate parts 91 of the two yokes 9 are dislocated is avoided. By arranging the two armature members symmetrically about the central axis of the first protruding shaft 11, on the one hand, the same stroke of forward and reverse rotation of the armature unit 4 is ensured, and on the other hand, the moment of inertia of the armature unit 4 during rotation is reduced, so that the armature unit 4 can rotate easily, and the rapidity of switching the terminal unit 3 is improved.

The insulator 1 comprises an insulating box 18 and an insulating cover 19 detachably connected with the insulating box 18, wherein a buckling protrusion is arranged on the insulating box 18, an ear buckle is arranged on the insulating cover 19, and the ear buckle is provided with a buckling hole for accommodating the buckling protrusion. Preferably, the number of the buckling protrusions is multiple, the multiple buckling protrusions are arranged around the central axis of the insulation box 18, and the buckling protrusions correspond to the ear buckles in a one-to-one mode.

The insulating box 18 is provided with a containing cavity for containing the electromagnet 2, the armature unit 4 and the terminal unit 3; the blind hole 13, the first clamping groove 17 and the jack 14 are all arranged on the insulating box 18; the insulating cover 19 is abutted and pressed on one side of the triangular plate 7 far away from the bolt 16, and the triangular plate 7 is stably pressed by the insulating cover 19, so that the situation that the fixed position of the armature unit 4 and the insulator 1 is changed due to the fact that the triangular plate 7 is loosened is avoided.

The insulating cover 19 has a pressing strip, and two ends of the pressing strip are respectively used for abutting against the flat plate portions 91 of the two yokes 9, so that the flat plate portions 91 are pressed against the bottom surfaces of the first slots 17. Through the arrangement of the pressing strip, the flat plate part 91 of the yoke 9 is firmly pressed on the insulating box 18, so that the armature unit 4 is prevented from rotating badly due to the position movement of the flat plate part 91, and the rotation yield of the armature unit 4 is improved.

The pressing strip is provided with a second clamping groove, two ends of the flat plate part 91 are respectively accommodated in the first clamping groove 17 and the second clamping groove, and the bottom surface of the first clamping groove 17 and the bottom surface of the second clamping groove clamp two ends of the flat plate part 91. The inner side surface of the card slot is stopped and abutted against the flat plate part 91, thereby preventing the flat plate part 91 from moving and being badly used. Preferably, the number of the second clamping grooves is two, and the two second clamping grooves are respectively located at two ends of the holding strip.

The electromagnetic switch further comprises a push sheet 22, the insulating box 18 is provided with a partition plate 21 positioned in the accommodating cavity, the partition plate 21 is a substantially rectangular flat plate, the electromagnet 2 and the armature unit 4 are positioned on the same side of the partition plate 21, and the armature unit 4 and the terminal unit 3 are respectively positioned on two sides of the partition plate 21. By means of the partition 21 separating the electromagnet 2 from the terminal unit 3 and simultaneously separating the armature unit 4 from the terminal unit 3, the magnetism of the electromagnet 2 and the magnetism of the permanent magnet of the armature unit 4 are prevented from interfering with the normal on-off of the terminal unit 3.

The partition 21 has a relief hole for accommodating the push sheet 22, and two ends of the push sheet 22 are respectively arranged on the movable terminal 5 and the protruding part of the insulating block 8; when the electromagnet 2 drives the armature unit 4 to rotate, the rotating armature unit 4 drives the push piece 22 to move, and the moving push piece 22 can drive the movable terminal 5 to conduct or disconnect the fixed terminal 6.

The partition 21 has two reinforcing ribs 23 connected to the bottom surface of the accommodating cavity, and the two insertion holes 14 are respectively formed in the two reinforcing ribs 23, so that the strength of the accommodating box is improved by the arrangement of the reinforcing ribs 23, and the triangular plate 7 can be stably mounted on the insulating box 18.

The baffle 21 can be dismantled and be connected with the magnetic conduction piece, and the magnetic conduction piece is roughly the U type, and the length direction extension setting of baffle 21 is followed to a part of magnetic conduction piece, and the magnetic conduction piece sets up around terminal unit 3, via the setting of magnetic conduction piece, realizes the electromagnetic shield to terminal unit 3, reduces the magnetic field and encloses the electromagnetic interference of establishing terminal unit 3 to the magnetic conduction piece, guarantees the stability of terminal unit 3 performance.

The insulating box 18 has a positioning slot and the insulating cover 19 has a positioning plug 24 for plugging into the positioning slot. By means of the matching of the positioning insertion plate 24 and the positioning slot, on one hand, the insulation box 18 and the insulation cover 19 are quickly and accurately installed together, on the other hand, the connection strength between the insulation box 18 and the insulation cover 19 is increased, and the separation of the insulation box 18 and the insulation cover 19 caused by the acting force of relative sliding is avoided.

The movable terminal 5 comprises a fixed pin 25 arranged on the insulation box 18, a movable spring 26 arranged on the fixed pin 25 and a movable contact arranged on the movable spring 26, the static terminal 6 is arranged on the insulation box 18, and the static terminal 6 is provided with a static contact which is connected with or disconnected from the movable contact; the fixed foot 25 and the static contact are respectively provided with a reinforcing protrusion 27, the insulating cover 19 is provided with a hole for accommodating the reinforcing protrusion 27, and the inner hole surface of the hole is used for blocking and abutting against the outer side surface of the reinforcing protrusion 27.

The movable terminal 5 and the fixed terminal 6 are fixedly arranged on the insulating box 18 on one hand, and the reinforcing protrusion 27 is inserted and arranged on the insulating cover 19 on the other hand, so that the connection strength between the insulating box 18 and the insulating cover 19 is reinforced by the terminal unit 3, and the terminal unit 3 is ensured to be stably arranged on the insulator 1.

The insulation box 18 is provided with a clamping groove 28, one end of the fixing foot 25 is arranged on the insulation box 18, the middle part of the fixing foot 25 is provided with a clamping rib 29 inserted into the clamping groove 28, and by means of the matching of the clamping rib 29 and the clamping groove 28, the side surface of the inner groove of the clamping groove 28 is used for blocking and abutting against the clamping rib 29, so that the fixing foot 25 is prevented from withdrawing from the insulation box 18 and being badly used.

One end of the static terminal 6 is arranged on the insulating box 18, and the static contact is arranged on the middle part of the static terminal 6 and is positioned in the accommodating cavity; the other end of the fixed pin 25 and the other end of the static contact are both provided with a connecting pin protruding out of the insulator 1, and the connecting part of the movable terminal 5 and the connecting part of the static terminal 6 are used for connecting with an external conductor.

In this embodiment, the first bearing 31 is sleeved outside the first protruding shaft 11, the first bearing 31 is installed in the blind hole 13, and the outer ring side surface of the outer ring of the first bearing 31 abuts against the inner hole side surface of the blind hole 13. The outer side of the second protruding shaft 12 is sleeved with a second bearing 32, the second bearing 32 is accommodated in the concave hole 71, and the outer side ring surface of the outer ring of the second bearing 32 is abutted against the inner hole side surface of the concave hole 71. Through the arrangement of the bearing, the first protruding shaft 11 can easily rotate relative to the insulator 1, and meanwhile, the second protruding shaft 12 can easily enable the triangular plate 7 to rotate, so that abrasion and friction noise caused by rotation of the armature unit 4 are reduced.

The electromagnet 2 has an iron core 33 and a coil surrounding the iron core 33, the iron core 33 has an expanded diameter portion 34 and a reduced diameter portion 35 formed by protruding from both ends of the expanded diameter portion 34, the outer diameter of the expanded diameter portion 34 is larger than the outer diameter of the reduced diameter portion 35, two yokes 9 are respectively sleeved outside the reduced diameter portion 35 and abutted against the end surface of the expanded diameter portion 34, and the coil is located between the two yokes 9.

The reduced diameter portions 35 at both ends of the core 33 are provided on the side walls of the insulating case 18, preferably, the reduced diameter portions 35 penetrate the side walls of the housing cavity, the core 33 has a through hole 36, the through hole 36 extends along the central axis of the core 33, and the through hole 36 penetrates the diameter-enlarged portion 34 and the reduced diameter portion 35.

During actual use, air outside the insulator 1 flows through the through holes 36, and when the air flows through the through holes 36, the heat of the electromagnet 2 can be taken away, so that the heat dissipation of the electromagnet 2 is realized, the temperature of the electromagnet 2 is reduced in an auxiliary manner, and the problem that the electromagnet 2 is poor in use due to overhigh temperature is avoided.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. An armature stabilizing relay comprises an insulator, an electromagnet and a terminal unit which are arranged on the insulator, and an armature unit which is movably arranged on the insulator, wherein the terminal unit comprises a movable terminal and a fixed terminal which are arranged on the insulator; the method is characterized in that: the armature unit comprises an insulating block, a permanent magnet arranged on the insulating block and two armature pieces, the two armature pieces are arranged in parallel, and the N pole and the S pole of the permanent magnet respectively attract the two armature pieces; the electromagnet is provided with two yokes which respectively extend between the two armature pieces at the two ends of the armature unit; the two ends of the insulating block, which are far away from each other, are respectively provided with a first protruding shaft and a second protruding shaft, the insulator is provided with a blind hole and two jacks, the first protruding shaft is rotatably accommodated in the blind hole, and the end surface of the free end of the first protruding shaft is a hemispherical convex surface which is abutted against the bottom surface of the blind hole; the set-square has shrinkage pool and two bolts, and the protruding axle of second rotates to hold and establishes in the shrinkage pool, and two bolts are inserted respectively and are established in two jacks, and shrinkage pool, two bolts are located the three corner of set-square respectively.

2. An armature stabilizing relay according to claim 1, wherein: the insulator is provided with two first clamping grooves, the yoke iron is provided with flat plate parts accommodated in the first clamping grooves, the flat plate parts of the two yoke irons are respectively accommodated in the two first clamping grooves, and the flat plate parts of the two yoke irons are arranged in a coplanar manner; the blind hole and the two first clamping grooves are arranged in a collinear mode, and the two armature pieces are symmetrically arranged around the central axis of the first protruding shaft.

3. An armature stabilizing relay according to claim 2, wherein: the insulator comprises an insulating box and an insulating cover detachably connected with the insulating box, and the insulating box is provided with an accommodating cavity for accommodating the electromagnet, the armature iron unit and the terminal unit; the blind hole, the first clamping groove and the jack are all arranged on the insulating box; the insulating cover is abutted and pressed on one side of the triangular plate far away from the bolt, the insulating cover is provided with a pressing strip, and two ends of the pressing strip are respectively used for abutting against the flat plate parts of the two yokes, so that the flat plate parts are pressed and abutted against the bottom surface of the first clamping groove.

4. An armature stabilizing relay according to claim 3, wherein: the pressing strip is provided with a second clamping groove, two ends of the flat plate part are respectively accommodated in the first clamping groove and the second clamping groove, and the bottom surface of the first clamping groove and the bottom surface of the second clamping groove clamp and abut against two ends of the flat plate part.

5. An armature stabilizing relay according to claim 3, wherein: the insulating box is provided with a partition board positioned in the containing cavity, the electromagnet and the armature unit are positioned on the same side of the partition board, the armature unit and the terminal unit are respectively positioned on two sides of the partition board, the partition board is provided with a yielding hole for containing the push sheet, and two ends of the push sheet are respectively arranged on the movable terminal and the protruding part of the insulating block; the partition board is provided with two reinforcing ribs connected with the bottom surface of the accommodating cavity, and the two insertion holes are respectively arranged on the two reinforcing ribs.

6. An armature stabilizing relay according to claim 3, wherein: the insulating box is provided with a positioning slot, and the insulating cover is provided with a positioning plug board which is plugged into the positioning slot.

7. An armature stabilizing relay according to claim 3, wherein: the movable terminal comprises a fixed pin arranged on the insulation box, a movable contact arranged on the fixed pin and a movable contact arranged on the movable contact, the fixed terminal is arranged on the insulation box, and the fixed terminal is provided with a static contact which is connected or disconnected with the movable contact; the fixed foot and the fixed contact are respectively provided with a reinforcing protrusion, the insulating cover is provided with a hole for accommodating the reinforcing protrusion, and the inner hole surface of the hole is used for blocking and abutting against the outer side surface of the reinforcing protrusion.

8. An armature stabilizing relay according to claim 7, wherein: the insulation box is provided with a clamping groove, one end of the fixing foot is arranged on the insulation box, and the middle part of the fixing foot is provided with a clamping rib inserted into the clamping groove; one end of the static terminal is arranged on the insulating box, and the static contact is arranged in the middle of the static terminal and is positioned in the accommodating cavity; the other end of the fixed pin and the other end of the static contact are both provided with a guide pin which protrudes out of the insulator.