CN213277961U - Relay - Google Patents

Abstract

The utility model relates to a relay, including base, coil, movable contact spring, static contact spring, armature and push rod, armature, coil, movable contact spring and static contact spring all set up on the base, and the push rod sets up in the top of coil, and one end is connected with armature, and the other end is connected with the movable contact spring, the upper end of movable contact spring is equipped with the moving contact, and the lower extreme is equipped with the movable contact spring and draws forth the foot, the upper end of static contact spring is equipped with the static contact relative with the moving contact, and the lower extreme is equipped with the static contact spring and draws forth the foot, its characterized in that, movable contact spring draws forth foot parallel arrangement with the movable contact spring, and is equipped with first bending piece between movable contact spring and the movable contact spring and draws forth the foot, movable contact spring, first bending piece and movable contact. Adopt above-mentioned technical scheme, the utility model provides a relay, the movable contact spring of this relay increases a bending piece, can reduce push rod promotion resistance like this to be favorable to the relay actuation.

Description

Relay

Technical Field

The utility model relates to a relay.

Background

A relay is an electric control device that generates a predetermined step change in a controlled amount in an electric output circuit when a change in an input amount (excitation amount) meets a predetermined requirement. It has an interactive relationship between a control system (also called an input loop) and a controlled system (also called an output loop). It is commonly used in automated control circuits, which are actually a "recloser" that uses low current to control high current operation. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like.

The existing relay comprises a base, a coil, a movable reed, a static reed, an armature and a push rod, wherein the armature, the coil, the movable reed and the static reed are all arranged on the base, the push rod is arranged above the coil, one end of the push rod is connected with the armature, the other end of the push rod is connected with the movable reed, a magnetic field is generated after the relay coil is electrified, the armature is attracted by the magnetic field, the armature drives the push rod to move, the push rod drives the movable reed to move, the movable reed is contacted with the static reed, after the power failure, the armature returns to the position, the push rod drives the movable reed to move, and the movable. However, the whole movable reed is of a flat plate structure, so that the push rod has large resistance when pushing the movable reed, the movable reed is not in good contact with the static reed, and the relay is not easy to attract.

Disclosure of Invention

The utility model aims at: in order to overcome the defects of the prior art, the utility model provides a relay, the movable contact spring of this relay increases a bending piece, is favorable to elastic deformation like this, can reduce the promotion resistance to be favorable to the relay actuation.

The technical scheme of the utility model: the utility model provides a relay, includes base, coil, movable contact spring, stationary contact spring, armature and push rod, and armature, coil, movable contact spring and stationary contact spring all set up on the base, and the push rod setting is in the top of coil, and one end is connected with armature, and the other end is connected with the movable contact spring, the upper end of movable contact spring is equipped with the moving contact, and the lower extreme is equipped with the movable contact spring and draws forth the foot, the upper end of stationary contact spring is equipped with the static contact relative with the moving contact, and the lower extreme is equipped with the stationary contact spring and draws forth the foot, its characterized in that, movable contact spring and movable contact spring draw forth foot parallel arrangement, and movable contact spring draw forth and be equipped with first bending piece between the foot, movable contact spring, first bending piece and.

By adopting the technical scheme, the bending piece is additionally arranged between the movable spring piece and the leading-out pin of the movable spring piece, so that the movable spring piece is integrally of a bending structure, elastic deformation is facilitated, pushing resistance is reduced, and attraction of the relay is better realized.

The utility model discloses a further setting: be equipped with on the base rather than dismantling coil cover and the yoke of being connected, the coil sets up on the yoke, all be equipped with the draw-in groove on two inside walls of the left and right sides of coil cover, the left and right sides limit card of yoke is established and can be restricted the yoke and remove along the left and right sides direction of base in the draw-in groove that corresponds, base one end is equipped with the trip, and the other end is equipped with the stopper, the one end and the trip of yoke inconsistent, thereby the other end contradicts with the coil cover inside wall and sets up and can restrict the yoke and remove along the fore-and-aft direction of base, it is equipped with spacing boss to correspond the stopper position on the coil cover, and spacing boss and stopper are inconsistent can restrict the upper and lower direction.

Adopt above-mentioned further setting, base and coil cover adopt split type structure, make things convenient for the installation of coil and yoke, and coil and yoke installation back carry out the omnidirectional movement restriction, make it more stable.

The utility model discloses a further setting again: the one end that lies in the trip on the base is equipped with the pressure spring, the pressure spring is including the flexure strip that leans on the pole and be the arc setting, the pole that leans on support to lean on to set up on the flexure strip, just support to lean on the pole be "L" shape setting and form the support to flexure strip back and lean on.

By adopting the above further arrangement, the armature is more stably installed due to the arrangement of the pressure spring.

The utility model discloses a still further set up: the coil leading pins and the coil leading pins are arranged on two sides of the armature on the coil, the coil leading pins and the coil leading pins are arranged in parallel, the coil leading pins are arranged on the inner sides of the coil leading pins, a first connecting piece is arranged between the coil leading pins and the coil leading pins, the armature is arranged between the two coil leading pins, and the distance between the two coil leading pins is larger than the distance between the two coil leading pins.

By adopting the above further arrangement, the distance between the two coil pins is increased, so that the armature area between the two coil pins is increased, the magnetic conductivity is enhanced, the attraction of the relay is increased, and the motion of the push rod is better realized.

The utility model discloses a still further set up: and the upper end of the coil guide pin is provided with a coil connecting sheet in a bending way towards the movable spring leaf.

Adopt above-mentioned further setting for the coil is more convenient when connecting, and before the coil was connected to the coil connection piece, the outside that thinks the coil guide pin with the coil connection piece was buckled earlier, then connects the both ends of coil on the coil connection piece that corresponds, buckles the coil connection piece to the movable contact spring direction after connecting.

The utility model discloses a still further set up: the two static reed leading-out pins are arranged, a second connecting piece is integrally arranged at the upper end of each of the two static reed leading-out pins and is perpendicular to the static reed, a second bending piece is arranged between the second connecting piece and the static reed, and a notch is formed in the second bending piece.

Adopt above-mentioned still further setting, the setting of second connection piece has increased the cross-sectional area of stationary reed pin-out, is favorable to the electric conduction and the heat dissipation of relay for relay stability is better, convenient assembling simultaneously.

The utility model discloses a still further set up: the utility model discloses a portable electronic device, including base, movable contact spring piece, installation base, first lead to groove, second lead to groove, the corresponding movable contact spring piece position is equipped with the installation boss on the base, the installation boss on be equipped with the mounting groove, the movable contact spring piece card establish in the mounting groove, the second is bent the piece and is contradicted the setting with the base, be equipped with first logical groove on the base, the movable contact spring piece is drawn forth the foot and is passed first logical groove and extend to outside the base, and the second connection piece is inserted and is established in first logical groove, it is equipped with the second and leads to the.

By adopting the above further arrangement, the installation of the static spring leaf and the movable spring leaf is convenient, and the assembly efficiency is improved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a left side view of an embodiment of the present invention;

FIG. 3 is a schematic view of a movable spring plate according to an embodiment of the present invention;

FIG. 4 is a schematic view of a stationary spring plate according to an embodiment of the present invention;

FIG. 5 is a schematic view of a coil and yoke according to an embodiment of the present invention;

FIG. 6 is a left side view of the base and the push rod according to the embodiment of the present invention;

FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;

FIG. 8 is a schematic view of a base and armature in an embodiment of the invention;

fig. 9 is a left side view of the base and coil cover in an embodiment of the invention;

FIG. 10 is a cross-sectional view taken along line B-B of FIG. 9;

FIG. 11 is a schematic view of a base and coil cover according to an embodiment of the present invention;

fig. 12 is a right side view of two coil pins and a coil pin according to an embodiment of the present invention;

fig. 13 is a front view of two coil pins and coil pins in an embodiment of the present invention;

FIG. 14 is a schematic view of a base according to an embodiment of the present invention;

fig. 15 is an enlarged view of a portion a in fig. 11.

Detailed Description

As shown in fig. 1 to 15, in a relay including a base 1, a coil 2, a movable spring 3, a stationary spring 4, an armature 5, and a push rod 6, the armature 5, the coil 2, the movable spring 3, and the stationary spring 4 are all disposed on the base 1, the number of the movable spring 3 and the stationary spring 4 is not limited to 1, can be changed, when the two static reeds 4 are arranged, one is a normally open static reed, the other is a normally closed static reed, as shown in fig. 13, the movable spring piece 3 is arranged between two static spring pieces 4, the coil 2 is the prior art, the push rod 6 is arranged above the coil 2, one end of the push rod is connected with the armature 5, the other end of the push rod is connected with the movable spring piece 3, in order to facilitate the movable reed 3 to be connected with the push rod 6, the top end of the movable reed 3 is provided with a fixed hole, the rear end of the push rod 6 is provided with a connecting column which passes through the fixed hole, the push rod 6 can be firmly connected with the movable spring plate 3 by a glue fixing mode or a welding fixing mode. The quantity of fixed orifices and spliced pole is two, and two fixed orifices set up in the 3 top left and right sides of movable contact spring, and two spliced poles set up in the 6 rear end left and right sides of push rod, and movable contact spring 3 sets up with push rod 6 is perpendicular. In order to facilitate the connection between the armature 5 and the push rod 6, the upper end of the armature 5 is provided with an insert block 51, the push rod 6 is provided with an insert groove 61, the insert block 51 is inserted into the insert groove 61 to realize the connection between the armature 5 and the push rod 6, a magnetic field is generated after the relay coil is electrified, the armature 5 is attracted by the magnetic field, the armature 5 drives the push rod 6 to move, and the push rod 6 drives the movable spring piece 3 to move. The movable contact spring is characterized in that a movable contact 31 is arranged at the upper end of the movable spring piece 3, a movable spring piece leading-out pin 32 is arranged at the lower end of the movable spring piece 3, a static contact 41 opposite to the movable contact 31 is arranged at the upper end of the static spring piece 4, a static spring piece leading-out pin 42 is arranged at the lower end of the static spring piece, the movable spring piece 3 and the movable spring piece leading-out pin 32 are arranged in parallel, a first bending piece 33 is arranged between the movable spring piece 3 and the movable spring piece leading-out pin 32, the movable spring piece 3, the first bending piece 33 and the movable spring piece leading-out pin 32 are sequentially arranged to form a Z shape, and a bending piece 33 is additionally arranged between the movable spring piece 3 and the movable spring piece leading-out pin 32, so that the movable spring piece 3 is.

In this embodiment, the base 1 is provided with a coil sleeve 7 detachably connected to the base and a yoke 8, the coil 2 is disposed on the yoke 8, the left and right inner side walls of the coil sleeve 7 are both provided with a slot 71, the left and right side edges of the yoke 8 are clamped in the corresponding slots 71 to limit the yoke 8 from moving in the left and right directions of the base 1, one end of the base 1 is provided with a hook 10, the other end of the base 1 is provided with a limit block 11, one end of the yoke 8 is abutted against the hook 10, the other end of the yoke is abutted against the inner side wall of the coil sleeve 7 to limit the yoke 8 from moving in the front and back directions of the base 1, the position of the coil sleeve 7 corresponding to the limit block 11 is provided with a limit boss 72, the limit boss 72 is abutted against the limit block 11 to limit the coil sleeve 7 from moving in the up and down directions of the base 1, the base 1 and the coil sleeve adopt a split structure 7, after the coil 2 and the yoke 8 are mounted, the omni-directional movement is restricted, so that the coil is more stable.

In this embodiment, a compression spring 9 is disposed at one end of the base 1, which is located at the hook, the compression spring 9 includes an abutting rod 91 and an elastic sheet 92 disposed in an arc shape, the abutting rod 91 abuts against the elastic sheet 92, the abutting rod 91 is arranged in an L shape and forms abutting against the back of the elastic sheet 92, the armature 5 is more stably installed due to the arrangement of the pressure spring 9, the elastic sheet 92 and the abutting rod 91 are integrally arranged, at least two elastic sheets 92 are arranged, the armature 5 is more stably, after the pressure spring 9 is arranged in the base 1, the elastic sheet 92 on the pressure spring 9 props against the armature 5, so that the armature 5 is tightly attached to the yoke 8, the magnetic loss of the relay is reduced, the attraction of the iron core in the coil 2 to the armature 5 is increased, the attraction voltage of the relay is reduced, meanwhile, the armature 5 is more stable in operation, so that the relay works stably and reliably, and noise cannot be generated under the vibration working condition.

In this embodiment, coil pins 21 and coil lead-out pins 22 are respectively disposed on two sides of the armature 5 on the coil 2, two ends of a wire on the coil 2 are respectively connected to the two coil pins 21, the coil lead-out pins 22 are disposed in parallel with the coil pins 21, the coil lead-out pins 22 are disposed on the inner side of the coil pins 21, a first connection tab 23 is disposed between the coil lead-out pins 22 and the coil pins 21, the armature 5 is disposed between the two coil lead-out pins 22, a distance between the two coil pins 21 is greater than a distance between the two coil lead-out pins 22, and a distance between the two coil pins 21 is increased, so that an area of the armature 5 disposed between the two coil pins 21 is increased, magnetic conductivity is enhanced, attractive force of the relay is increased, and movement of the push rod 6 is better achieved.

Specifically, the upper end of the coil guide pin 21 is provided with a coil connecting piece 211 towards the direction of the movable reed 3 in a bending mode, so that the coil 2 is more convenient to connect, the coil 2 is connected to the coil connecting piece 211 before being bent towards the outer side of the coil guide pin 21, then the two ends of the coil 2 are connected to the corresponding coil connecting pieces 211, and the coil connecting pieces 211 are bent towards the direction of the movable reed 3 after connection.

In this embodiment, quiet reed pin 42 is equipped with two, and two quiet reed pin 42's an organic whole upper end is equipped with second connection piece 43, second connection piece 43 sets up with quiet reed 4 is perpendicular, and is equipped with the second between second connection piece 43 and the quiet reed 4 and bends piece 44, be equipped with breach 441 on the second bends piece 44, the setting of second connection piece 43 has increased the cross-sectional area that quiet reed pin 42 was drawn forth, is favorable to the electric conduction and the heat dissipation of relay for relay stability is better, and convenient assembling simultaneously, the setting of breach 441 makes things convenient for quiet reed 4 to warp.

In this embodiment, it is equipped with installation boss 12 to correspond quiet reed 4 position on base 1, and quiet reed 4 is equipped with two, and installation boss 12 is also equipped with two relatively, and a quiet reed 4 corresponds an installation boss 12, installation boss 12 on be equipped with mounting groove 121, quiet reed 4 card is established in mounting groove 121, and the second is bent piece 44 and is contradicted the setting with base 1, be equipped with first logical groove 13 on base 1, quiet reed draws out foot 42 and passes first logical groove 13 and extend to outside base 1, and second connection piece 43 inserts and establish in first logical groove 13, it is equipped with the logical groove 14 of second to lie in the 3 positions of movable reed on base 1, movable reed draws out foot 32 and passes the logical groove 14 of second and extends to outside base 1, makes things convenient for the installation of quiet reed 4 and movable reed 3, improves assembly efficiency.

Claims (7)

1. The utility model provides a relay, includes base, coil, movable contact spring, stationary contact spring, armature and push rod, and armature, coil, movable contact spring and stationary contact spring all set up on the base, and the push rod setting is in the top of coil, and one end is connected with armature, and the other end is connected with the movable contact spring, the upper end of movable contact spring is equipped with the moving contact, and the lower extreme is equipped with the movable contact spring and draws forth the foot, the upper end of stationary contact spring is equipped with the static contact relative with the moving contact, and the lower extreme is equipped with the stationary contact spring and draws forth the foot, its characterized in that, movable contact spring and movable contact spring draw forth foot parallel arrangement, and movable contact spring draw forth and be equipped with first bending piece between the foot, movable contact spring, first bending piece and.

2. The relay according to claim 1, wherein the base is provided with a coil sleeve detachably connected to the base and a yoke, the coil is disposed on the yoke, the left and right inner side walls of the coil sleeve are provided with slots, the left and right side edges of the yoke are clamped in the corresponding slots to limit the yoke to move in the left and right directions of the base, one end of the base is provided with a hook, the other end of the base is provided with a limit block, one end of the yoke abuts against the hook, the other end of the yoke abuts against the inner side wall of the coil sleeve to limit the yoke to move in the front and back directions of the base, the coil sleeve is provided with a limit boss corresponding to the limit block, and the limit boss abuts against the limit block to limit the coil sleeve to move in the up and down directions of the base.

3. The relay according to claim 1 or 2, wherein a compression spring is arranged at one end of the base, which is located at the hook, and comprises a support rod and an elastic sheet arranged in an arc shape, the support rod is supported on the elastic sheet, and the support rod is arranged in an "L" shape and forms a support against the back of the elastic sheet.

4. A relay according to claim 3, wherein the coil has coil pins and coil pins, the coil pins and the coil pins are arranged on both sides of the armature, the coil pins and the coil pins are arranged in parallel, the coil pins and the coil pins are arranged on the inner sides of the coil pins, a first connecting piece is arranged between the coil pins and the coil pins, and the distance between the two coil pins is greater than the distance between the two coil pins.

5. The relay according to claim 4, wherein the upper end of the coil pin is provided with a coil connecting piece bent toward the movable spring.

6. The relay according to claim 5, wherein there are two of the static spring lead-out pins, a second connecting piece is integrally provided at the upper end of the two static spring lead-out pins, the second connecting piece is perpendicular to the static spring, and a second bending piece is provided between the second connecting piece and the static spring, and the second bending piece is provided with a notch.

7. The relay according to claim 6, wherein a mounting boss is provided on the base corresponding to the position of the static reed, the mounting boss is provided with a mounting groove, the static reed is clamped in the mounting groove, the second bending piece is abutted against the base, the base is provided with a first through groove, the static reed leading-out pin extends out of the base through the first through groove, the second connecting piece is inserted in the first through groove, the base is provided with a second through groove at the position of the movable reed, and the movable reed leading-out pin extends out of the base through the second through groove.

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