CN210743878U

CN210743878U - Electromagnetic relay with management interface

Info

Publication number: CN210743878U
Application number: CN201921874369.XU
Authority: CN
Inventors: 魏连贵
Original assignee: Xiamen Hongfa Automotive Electronics Co Ltd
Current assignee: Xiamen Hongfa Automotive Electronics Co Ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-06-12
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses an electromagnetic relay with management interface, which comprises a base and an interface shell, wherein a plurality of conductive pins are embedded on the base, one end of each conductive pin is provided with an inserting part, and the base limits each conductive pin to move along the inserting direction of the inserting part; two positioning bulges extend outwards from one side end face of the base, each positioning bulge is provided with a clamping hook, the interface shell is provided with an interface slot, the interface shell is provided with two positioning holes, each positioning bulge is inserted into one positioning hole, the clamping hook of each positioning bulge is clamped on the outer side face of the interface shell, and the interface shell is matched with the base end face to limit the position of the interface shell close to one side end face of the base; the bottom of the interface slot is provided with a plurality of matching through holes, and each plug-in part passes through one matching through hole and is inserted into the interface slot. The utility model discloses management interface compact structure, the part preparation is easy, easily realizes automatic assembly, can prevent to electrically conduct to participate in crooked, drop, promotes the grafting reliability to can realize more functions.

Description

Electromagnetic relay with management interface

Technical Field

The utility model belongs to the technical field of the relay manufacturing technology and specifically relates to an electromagnetic relay with management interface.

Background

The relay is an electric control device, and is an 'automatic switch' which uses small current to control large current to operate. The circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like.

In order to bring convenience to the introduction of a control power supply and the output of signals, the conventional relay is connected with the relay by using a plug connector, for example, a chinese utility model patent with the patent number of ZL201220694968.5 and the name of "a magnetic latching relay coil voltage input connection structure" is disclosed in 2013, month 07 and 03, and comprises a connector assembly, a relay coil metal contact pin and a first buckle of a relay peripheral plastic body arranged at the periphery of the contact pin; the connector assembly comprises a voltage input signal wire, a metal plug-in terminal and a plastic connector, wherein the plastic connector is provided with a second buckle, the metal plug-in terminal is fixed in the plastic connector, and one end of the metal plug-in terminal is fixed with one end of the voltage input signal wire; the connector assembly is fixed on the relay peripheral plastic body through the mutual buckling and matching of a second buckle of the plastic connector and a first buckle of the relay peripheral plastic body, and the other end of the metal plug-in terminal of the connector assembly is in plug-in matching with the metal contact pin of the relay coil. After adopting this structure, conveniently introduce control power, but this kind of structure is installed metal contact pin on coil skeleton, then set up the breach on the base of installation coil skeleton and let metal contact pin's grafting end stretch out, this kind of structure main problem is that the coil is made comparatively troublesome, and metal contact pin's fixed strength is relatively weak, external plug casing can not obtain reliable positioning during the grafting, only depend on metal contact pin and external plug's link to mutually support the location, metal contact pin atress is great, crooked easily after many times of plug, drop, can influence the reliability of grafting and electricity connection. In addition, other conductive pins are not convenient to arrange around the metal contact pin, and the function is single.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an electromagnetic relay with management interface, its management interface compact structure, the part preparation is easy, easily realizes automatic assembly, can prevent that electrically conductive participating in appears crooked, drop, promotes the grafting reliability to can realize more functions.

In order to achieve the above purpose, the technical scheme of the utility model is that: an electromagnetic relay with a management interface comprises a base, a housing, a coil, a movable reed and a stationary reed, wherein the coil is arranged on a coil framework, the coil framework is fixedly connected with the base, the housing is fixedly connected with the base, the coil and the movable reed are positioned between the housing and the base, the stationary reed is fixedly connected with the base, the stationary contact on the stationary reed corresponds to the movable contact on the movable reed, the electromagnetic relay also comprises an interface shell, a plurality of conductive pins are embedded on the base, the conductive pins are mutually electrically insulated, one end of each conductive pin is provided with an insertion part, the insertion parts are mutually parallel, and the base limits each conductive pin to move along the insertion direction of the insertion part;

two positioning protrusions extend outwards from one side end face of the base, each positioning protrusion is provided with a clamping hook, the interface shell is provided with an interface slot, the interface shell on two sides of the interface slot is provided with a positioning hole, each positioning protrusion is inserted into one positioning hole, the clamping hook of each positioning protrusion is clamped on the outer side face of the interface shell, one side of the interface shell, which is close to the base, is provided with a limiting end face, and the limiting end face and one side end face of the base are matched with each other for limiting;

the bottom of the interface slot is provided with a plurality of matching through holes, each inserting part passes through one matching through hole and is inserted into the interface slot, and the other end of each conductive pin is electrically connected with the static reed or the coil connecting end.

In a further improvement, the insertion part on each conductive pin is parallel to the axial direction of the coil; the inner surface of the matching through hole is in contact with the insertion part which penetrates through the matching through hole to support the insertion part in an auxiliary mode. Thus, the arrangement is convenient, the assembling strength of the inserting part can be enhanced, and the reliability of inserting and electric connection is further improved.

The improved structure is further characterized in that each positioning bulge is provided with a yielding groove at the position close to the hook, and the yielding groove deforms and yields the hook during assembly; therefore, the assembly performance can be improved, and the clamping hooks can be conveniently clamped in place.

At least one medial surface of interface slot is equipped with the joint through-hole with external plug matched with, and when external plug inserted the interface slot, the joint through-hole cooperateed with the protruding interface slot that cooperatees of joint on the external plug in order to prevent that external plug from breaking away from.

Preferably, the number of the static spring pieces is two, each static spring piece is provided with a plate-shaped base part, and each static spring piece is fixedly connected to the outer side surface of the base through the plate-shaped base part; the number of the conductive pins is four, two of the conductive pins are electrically connected with the static reed, and the other two conductive pins are electrically connected with two ends of the coil;

the conductive pin electrically connected with the static reed is a first conductive pin, two first embedding grooves are formed in the outer side surface of the base, each first conductive pin is embedded in one first embedding groove, and the first embedding grooves limit the first conductive pins to move along the inserting direction of the inserting part; the first conductive pin is provided with a first conductive clamping part which is vertical to the inserting part, the plate-shaped base part of the static reed is provided with a clamping through hole, and the first conductive clamping part is in contact fit with the clamping through hole;

the conductive pin electrically connected with one end of the coil is a second conductive pin, two second embedding grooves are arranged on the inner side surface of the base, each second conductive pin is embedded in one second embedding groove, and the second embedding grooves limit the second conductive pins to move along the inserting direction of the inserting part.

Therefore, the first conductive pin and the second conductive pin are respectively embedded on the inner side and the outer side of the base, so that high-low voltage insulation isolation can be formed; on the other hand, the embedding groove of the base has a limiting effect on the first conductive pin and the second conductive pin, so that the first conductive pin and the second conductive pin are prevented from loosening, and the reliability of plug connection is improved.

The end part of the first conductive clamping part is provided with a U-shaped groove, and the two outer side surfaces of the first conductive clamping part and the two inner side surfaces of the clamping through hole form interference fit; the lower parts of two sides of the first conductive clamping part are provided with chip grooves. The first conductive clamping part can be assembled in place, and the electric connection performance of the first conductive pin and the static spring piece is ensured.

The improvement is further improved, be equipped with the electrically conductive joint portion of second on every electrically conductive participating in of second, the electrically conductive joint portion perpendicular to of second grafting portion is equipped with electrically conductive draw-in groove in the electrically conductive joint portion of second, coil skeleton is last to have linked firmly two coil enameled wire connection feet, and every coil enameled wire connection foot is equipped with enameled wire winding portion and joint cooperation portion, and enameled wire winding portion forms the electricity with coil enameled wire one end winding and is connected, and one is gone into to joint cooperation portion card of every coil enameled wire connection foot electrically conductive draw-in groove in the electrically conductive joint portion of second forms the electricity and connects. Therefore, the assembly is convenient, and the electric connection performance of the second conductive pin and one end of the coil is improved.

In a further improvement, a part of three side surfaces of the plate-shaped base part on each static reed extends outwards and is bent to form a riveting fixing part, a plurality of corresponding riveting holes are formed in the base, and each riveting fixing part is matched with one riveting hole to enable the plate-shaped base part to be fixedly connected to the outer side surface of the base. Therefore, the static reed can be conveniently and fixedly connected with the base in an assembling way, and the preparation efficiency is improved.

The improvement is further realized, a first glue filling space for filling glue is formed between the inner side surface of the plate-shaped base part of each static reed and the base and the housing, a glue injection through hole is formed in the middle of the plate-shaped base part, a glue storage area is arranged at the position, corresponding to the glue injection through hole, of the base, and the glue storage area is communicated with the first glue filling space; the housing is provided with a plurality of first exhaust grooves corresponding to the plate-shaped base, and each first exhaust groove is communicated with the first glue filling space. Therefore, the problem that plastic package cannot be carried out when the joint of the base and the housing is covered by the static reed can be solved well.

And a first dispensing area and a second dispensing area are respectively formed between the two sides of each plate-shaped base part and the base and between the two sides of each plate-shaped base part and the housing, and the first dispensing area and the second dispensing area are communicated with the first glue filling space. This may better ensure that the first glue filling space is filled with glue.

In a further improvement, a second glue filling space for filling glue is formed between one side of the interface shell and the housing, glue dispensing and storing grooves are formed in the interface shell on two sides of the interface groove, and each glue dispensing and storing groove is communicated with the second glue filling space; and one side of the housing, which corresponds to the interface shell, is provided with a plurality of second exhaust grooves, and each second exhaust groove is communicated with the second glue filling space. So that the relay meets the requirement of plastic package.

The utility model is characterized in that a plurality of conductive pins are embedded on the base, one end of each conductive pin is provided with an inserting part, and the base limits each conductive pin to move along the inserting direction of the inserting part; then the interface shell is matched with two positioning bulges which extend outwards from one side end surface of the base in an inserting way by utilizing two positioning holes, the clamping hooks of the positioning bulges are clamped on the outer side surface of the interface shell, one side of the interface shell, which is close to the base, is provided with a limiting end surface, and the limiting end surface is matched with one side end surface of the base for limiting; thus, the base, the interface shell and the conductive pins can be manufactured separately and then assembled together, and the whole structure is compact; and the base, the interface shell and the conductive pins are convenient to assemble, accurate in positioning and easy to realize automatic assembly. Therefore, the manufacturing difficulty of each part can be greatly reduced, and the manufacturing cost is reduced. And a plurality of required conductive pins can be arranged on the base according to the requirement, wherein the conductive pins comprise conductive pins electrically connected with the static reed, conductive pins electrically connected with the coil connecting end and the like, and the inserting parts of the conductive pins can be inserted into the interface slot of the interface shell and obtain auxiliary support, so that more functions can be realized by connecting with an external plug.

On the other hand, because the base is spacing to every electrically conductive participating in, including interface housing to every electrically conductive participating in the further location of grafting portion, every electrically conductive participating in the location is accurate, and assembly strength is better, recycles interface groove to the spacing and the positioning action of external joint casing, during the grafting, electrically conductive participating in last grafting portion atress is less, can prevent better that electrically conductive participating in from appearing crooked, droing, promotes the reliability of grafting.

Drawings

FIG. 1 is a top perspective view of the present invention;

FIG. 2 is a top perspective view of the hidden enclosure of the present invention;

fig. 3 is a bottom perspective view of the present invention;

fig. 4 is a bottom view of the present invention;

FIG. 5 is a sectional view A-A of FIG. 4;

FIG. 6 is a cross-sectional view B-B of FIG. 4;

FIG. 7 is a cross-sectional view C-C of FIG. 4;

fig. 8 is an exploded perspective view of the present invention;

FIG. 9 is an enlarged view at D of FIG. 8;

FIG. 10 is a top perspective view of the base;

FIG. 11 is a bottom perspective view of the base;

FIG. 12 is a perspective view of the stationary reed;

FIG. 13 is a perspective view of a rubber block;

FIG. 14 is a perspective view of the cover;

fig. 15 is a perspective view of a first conductive pin;

fig. 16 is a perspective view of a second conductive pin;

FIG. 17 is a perspective view of the interface housing;

figure 18 is another angular perspective view of the interface housing.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 18, an electromagnetic relay with a management interface comprises a base 1, a housing 2, a coil 3, a movable spring 4 and two stationary springs 5, wherein the housing 2 is fixedly connected with the base 1 in a clamping manner, the lower part of the inner side of the housing 2 is provided with three clamping limiting parts 21, the three clamping limiting parts 21 clamp the base 1, the coil 3 is wound on a coil framework 31, the coil framework 31 is fixedly connected with the base 1, the coil 3, the coil framework 31 and the movable spring 4 are positioned between the base 1 and the housing 2, an iron core 32 is arranged in a central hole of the coil framework 31, the coil framework 31 is fixedly connected with a yoke 33, the yoke 33 is in an L shape, one end of the yoke 33 is fixedly connected with one side of the coil framework 31, the other end of the yoke 33 is parallel to the coil 3, one end of the yoke 33 is provided with two first clamping fixing feet 331, the lower part of the other side of the coil framework 31 is provided with two second clamping fixing feet 311, the base 1 is provided with two first, the two first clamping fixing feet 331 are respectively matched with the two first clamping fixing holes 11, and the two second clamping fixing feet 311 are respectively matched with the two second clamping fixing holes 12 to enable the coil frame 31 to be fixedly connected with the base 1.

The movable spring 4 is bent along the middle part, one end of the movable spring 4 is fixedly connected with the other end of the yoke 33, the other end of the movable spring 4 is fixedly connected with an armature 41, and the other end of the movable spring 4 is also provided with two movable contacts 42, specifically: the other end of the movable spring plate 4 is fixedly connected with a conductive plate 43, and the two movable contacts 42 are arranged on the conductive plate 43; the armature 41 corresponds to one end of the iron core 32, the other end of the iron core 32 is connected with the yoke 33, each static spring 5 comprises a plate-shaped base 51, a part of one side of the plate-shaped base 51 extends outwards and is bent to form a static contact fixing part 52, the static contact fixing part 52 is perpendicular to the plate-shaped base 51 and is fixedly provided with a static contact 521, and the base 1 is provided with two abdicating through holes 13; the two static springs 5 are in a symmetrical structure and are fixedly connected on the outer side surface of the base 1 at intervals by utilizing the plate-shaped base parts 51 of the two static springs respectively, each static contact fixing part 52 extends into the space between the base 1 and the housing 2 through one abdicating through hole 13, and each static contact 521 corresponds to one movable contact 42 on the movable spring 4. The plate-like base 51 of each stationary spring 5 partially protrudes outside the housing 2 to form a connecting portion which is fixedly connected to the load connecting terminal by a connecting screw, and the connecting portion is provided with a connecting through hole 511 through which the connecting screw passes. The lower end surface of the housing 2 is parallel to the upper end surface of the housing 2, when the housing 2 is fixedly connected to the base 1, the plate-shaped base 51 of each static reed 5 is parallel to the upper end surface of the housing 2, and the distance between the lower end surface of the plate-shaped base 51 of each static reed 5 and the upper end surface of the housing 2 is smaller than the distance between the lower end surface of the housing 2 and the upper end surface thereof. This can protect the stationary spring 5 well and prevent the plate-like base portions 51 of the two stationary spring 5 from coming into contact with the conductor to establish conduction.

A part of three side surfaces of the plate-shaped base 51 on each static spring 5 extends outwards and is bent to form a rivet fixing portion 52, the base 1 is provided with three corresponding rivet holes 14 for each static spring 5, and each rivet fixing portion 52 is matched with one rivet hole 14 so that the plate-shaped base 51 is fixedly connected on the outer side surface of the base 1. Therefore, the assembly is convenient, and the assembly efficiency is improved.

One side of the base 1 close to the other end of the movable reed 4 is provided with an assembly area 15, the assembly area 15 is fixedly connected with a rubber block 6, and the rubber block 6 limits the moving distance of the rebound reset of the other end of the movable reed 4 and provides a buffer effect. The noise can be well reduced.

As further shown in fig. 10, 11 and 13, the rubber block 6 includes a square main body 61, two positioning protrusions 62 extend from two sides of the square main body 61, the rubber block 6 is positioned with the mounting area 15 by the upper and lower side surfaces of the square main body 61 and the two positioning protrusions 62, and the front side surface of the square main body 61 protrudes from the mounting area 5 and faces the other end of the movable spring 4.

The arrangement structure of the assembly area 15 specifically comprises: be equipped with a bottom 1d on the base 1, bottom 1d one side upwards extends a lateral part 1e, assembly area 15 includes that one sets up the inboard recess 150 of lateral part 1e, this recess 150 downwardly extending runs through bottom 1d is partly, and two medial surfaces of this recess 150 all are equipped with a draw-in groove 151, and this recess 150 is equipped with down spacing arch 16 in the lower part that runs through bottom 1d one side, block rubber 6 dress is in during assembly area 15, the cubic main part 61 downside supports spacing arch 16 down, the upside of this recess 150 is withstood to the side of going up of cubic main part 61, the leading flank of cubic main part 61 salient in lateral part 1e medial surface, two location convex part 62 respectively with two the draw-in groove 151 cooperatees.

The two positioning protrusions 62 are also fastened to the two slots 151 by glue.

When housing 2 links firmly base 1, the spacing portion 21 of a joint on housing 2 still blocks rubber block 6 the cubic main part 61 downside of side, spacing arch 16 and the spacing portion 21 of joint prevent jointly that rubber block 6 breaks away from base 1 down.

The two abdicating through holes 13 are covered with a cover plate 7, and the cover plate 7 also covers a part of each static reed 5; the cover plate 7 is provided with a first dispensing groove 71, the first dispensing groove 71 is provided with a plurality of penetration through holes 72, and each penetration through hole 72 is communicated with the surface of one static reed 5. The glue can conveniently flow between the outer surface of the static reed 5 and the inner surface of the cover plate 7 through the penetration through hole 72 so as to improve the plastic packaging effect.

Preferably, the penetration through holes 72 are circular holes, the penetration through holes 72 are divided into two parts, and the distance between adjacent penetration through holes 72 of each part is smaller than the diameter of the penetration through holes 72. Four hooks 73 are arranged on the cover plate 7, two hooks 73 are clamped on the base 1, and the other two hooks 73 are respectively clamped on the plate-shaped base parts 51 of the two static spring pieces 5, so that the cover plate 7 is fixedly connected on the base 1.

When the cover plate 7 is fixedly connected to the base 1, a second dispensing groove 74 is formed between the partial edge of the cover plate 7 and the base, the second dispensing groove 74 is communicated with the first dispensing groove 71, dispensing is performed on the periphery of the abdicating through hole 13 through the second dispensing groove 74 and the first dispensing groove 71, so that the movable contact 42 of the movable spring piece 4 and the static contact 521 on the static spring piece 5 are well protected from oxidative corrosion of external gas, and the service life is prolonged.

A first glue filling space 50 for filling glue is formed between the inner side surface of the plate-shaped base 51 of each static reed 5 and the base 1 and the housing 2, a glue injection through hole 54 is formed in the middle of the plate-shaped base 51, a glue storage area 17 is arranged at the position, corresponding to the glue injection through hole 54, of the base 1, and the glue storage area 17 is communicated with the first glue filling space 50; the housing 2 is provided with a plurality of first exhaust grooves 22 corresponding to the plate-shaped base 51, and each first exhaust groove 22 is communicated with the first glue filling space 50. The plurality of first exhaust grooves 22 prevent gas from accumulating in the first glue filling space 50, and prevent the gas from obstructing the flow of the glue.

The base 1 is provided with a first dispensing area 18 and a second dispensing area 19 on two sides of each plate-shaped base 51, and the first dispensing area 18 and the second dispensing area 19 are both communicated with the first glue filling space 50.

By injecting glue into the glue injection through hole 54, the first glue dispensing area 18 and the second glue dispensing area 19, the glue is quickly filled into the first glue filling space 50 for plastic packaging. Wherein the glue entering from the glue injection through hole 54 first enters the glue storage area 17 and then flows into the first glue filling space 50 from the glue storage area 17.

The interface device is characterized in that one end of the base 1 is fixedly connected with an interface shell 8, the interface shell 8 is provided with an interface slot 81, one side end face 1a of the base 1 extends outwards to form two positioning protrusions 10, each positioning protrusion 10 is provided with a clamping hook 101, the interface shell 8 is provided with a positioning hole 82 on each of two sides of the interface slot 81, each positioning protrusion 10 is inserted into one positioning hole 82, the clamping hook 101 of each positioning protrusion 10 is clamped on the outer side face of the interface shell 8, the interface shell 8 is provided with a limit end face 8a close to one side of the base 1, and the limit end face 8a is matched with one side end face 1 a. Each of the positioning protrusions 10 is provided with a relief groove 102 at a position close to the hook 101, and the relief groove 102 deforms and relieves the hook 101 when the hook 101 is assembled. To facilitate assembly.

Four conductive pins 9 are embedded on the base 1, the conductive pins 9 are electrically insulated from each other, the four conductive pins 9 are located between two positioning protrusions 10, one end of each conductive pin 9 is provided with an insertion part 90, the four insertion parts 90 are parallel to each other and parallel to the axial direction of the coil 3, the bottom of the interface slot 81 is provided with four matching through holes 811, each insertion part 90 penetrates through one matching through hole 811 and is inserted into the interface slot 81, the inner surface of each matching through hole 811 is in contact with the insertion part 90 penetrating through the matching through hole 811 to support the insertion part 90 in an auxiliary manner, and the other end of each conductive pin 9 is electrically connected with the static reed 5 or the connecting end of the coil 3.

The conductive pin 9 electrically connected with the static reed 5 is a first conductive pin 91, two first embedding grooves 1b are arranged on the outer side surface of the base 1, each first conductive pin 91 is embedded in one first embedding groove 1b, and the first embedding grooves 1b limit the first conductive pins 91 to move along the inserting direction of the inserting part 90; the other end of each first conductive pin 91 is provided with a first conductive clamping part 911, the first conductive clamping part 911 is perpendicular to the insertion part 90, a clamping through hole 55 is arranged on the plate-shaped base part 51 of the static reed 5, and the first conductive clamping part 911 is in contact fit with the clamping through hole 55;

the tip of first electrically conductive joint portion 911 is equipped with U-shaped groove 912, first electrically conductive joint portion 911 utilize two lateral surfaces with two medial surfaces of joint through-hole 55 form interference fit. Thus, a better electrical connection effect can be formed, and the U-shaped groove 912 can provide an abdicating space for the deformation of the first conductive clamping portion 911, thereby facilitating assembly.

First electrically conductive joint portion 911 both sides lower part all is equipped with chip groove 912, during the assembly, static reed 5 with the metal fillings that first electrically conductive joint portion 911 interference fit produced can pile up in chip groove 912 department, avoid the assembly not in place or assemble the back because this department piles up has the metal fillings and leads to kick-backing.

The conductive pin 9 electrically connected with one end of the coil 3 is a second conductive pin 92, the two second conductive pins 92 are positioned between the two first conductive pins 91 and embedded on the inner side surface of the base 1, two second embedding grooves 1c are arranged on the inner side surface of the base 1, each second conductive pin 92 is embedded on one second embedding groove 1c, and the second embedding grooves 1c limit the second conductive pins 92 to move along the inserting direction of the inserting part 90;

be equipped with the electrically conductive joint portion 921 of second on every electrically conductive participating in 92 of second, the electrically conductive joint portion 921 perpendicular to of second grafting portion 90 is equipped with electrically conductive draw-in groove 922 on the electrically conductive joint portion 921 of second, coil skeleton 31 has linked firmly two coil enameled wire connection feet 34, and every coil enameled wire connection foot 34 is equipped with enameled wire winding portion 341 and joint cooperation portion 342, and enameled wire winding portion 341 forms the electricity with the winding of 3 enameled wires one end of coil and is connected, and the joint cooperation portion 342 card of every coil enameled wire connection foot 34 is gone into one electrically conductive draw-in groove 922 in the electrically conductive joint portion of second forms the electricity and connects, two lateral surfaces of the joint cooperation portion 342 of coil enameled wire connection foot 34 with two medial surfaces of electrically conductive draw-in groove 922 contact.

When the housing 2 is fixedly connected to the base 1, a second glue filling space 80 for filling glue is formed between one side of the interface shell 8 and the housing 2, glue dispensing glue storage grooves 83 are respectively arranged on two sides of the interface groove 81 of the interface shell 8, and each glue dispensing glue storage groove 83 is communicated with the second glue filling space 80; a plurality of second air discharge grooves 23 are formed in one side of the housing 2 corresponding to the interface shell 8, and each second air discharge groove 23 is communicated with the second glue filling space 80. Glue is injected through the two glue dispensing and storing grooves 83, so that the second glue filling space 80 is filled with glue to achieve a sealing effect. The plurality of second air discharge grooves 23 prevent gas from accumulating in the second glue filling space 80, and prevent the gas from obstructing the flow of the glue.

One inner side surface of the interface slot 81 on the interface housing 8 is provided with a clamping through hole 84 matched with the external plug, when the external plug is inserted into the interface slot 81, the clamping through hole 84 is matched with the clamping protrusion on the external plug to prevent the external plug from being separated from the interface slot 81.

The utility model discloses during the use, the plate-shaped basal portion 51 of every static reed 5 stretches out the outer connecting portion of housing 2 and links firmly through connecting screw and a load connecting terminal, and interface slot 81 pegs graft mutually with external plug, introduces control power supply through external plug and participates in 92 for coil 3 circular telegrams through two electrically conductive second, and the magnetic force of production makes

armature

41 and 32 one end actuation of iron core, two static contact 521 simultaneously with two movable contacts 42 of movable contact 4 engage, and two static reeds 5 switch on each other, and the state that two static reeds 5 switched on each other is again through two first electrically conductive 91 of participating in outside transmission signal through external plug. When the external control power supply is disconnected, the magnetic force disappears, the elastic force of the movable spring leaves the armature 41 from one end of the iron core 32, the two fixed contacts 521 simultaneously leave the two movable contacts 42 of the movable spring 4, the two fixed springs 5 are disconnected with each other, and the two fixed springs 5 are also in a disconnected state, so that signals are transmitted to the outside through the external plug by the two first conductive pins 91.

The above is only a preferred embodiment of the present invention, and all changes that can be made by those skilled in the art according to the appended claims will fall within the scope of the present invention.

Claims

1. The utility model provides an electromagnetic relay with management interface, includes base, housing, coil, movable contact spring and stationary contact spring, and the coil dress is on coil skeleton, and coil skeleton links firmly with the base, and the housing links firmly the base, and coil and movable contact spring are in between housing and the base, and stationary contact spring links firmly with the base, and stationary contact on the stationary contact spring is corresponding with the movable contact spring on the movable contact spring, its characterized in that: the connector comprises a base and an interface shell, wherein a plurality of conductive pins are embedded on the base, the conductive pins are mutually and electrically insulated, one end of each conductive pin is provided with an inserting part, the inserting parts are mutually parallel, and the base limits each conductive pin to move along the inserting direction of the inserting part;

2. An electromagnetic relay provided with a management interface according to claim 1, characterized in that: the inserting part on each conductive pin is parallel to the axial direction of the coil; the inner surface of the matching through hole is in contact with the insertion part which penetrates through the matching through hole to support the insertion part in an auxiliary mode.

3. An electromagnetic relay provided with a management interface according to claim 1, characterized in that: each positioning bulge is provided with a yielding groove at the position close to the clamping hook, and the yielding groove deforms and yields the clamping hook during assembly;

4. An electromagnetic relay provided with a management interface according to claim 1, characterized in that: the number of the static spring pieces is two, each static spring piece is provided with a plate-shaped base part, and each static spring piece is fixedly connected to the outer side surface of the base through the plate-shaped base part; the number of the conductive pins is four, two of the conductive pins are electrically connected with the static reed, and the other two conductive pins are electrically connected with two ends of the coil;

5. An electromagnetic relay provided with a management interface according to claim 4, characterized in that: the end part of the first conductive clamping part is provided with a U-shaped groove, and the first conductive clamping part forms interference fit with two inner side surfaces of the clamping through hole by utilizing two outer side surfaces; the lower parts of two sides of the first conductive clamping part are provided with chip grooves.

6. An electromagnetic relay provided with a management interface according to claim 4, characterized in that: every second is electrically conductive to be participated in and is equipped with the electrically conductive joint portion of second, the electrically conductive joint portion perpendicular to of second the grafting portion is equipped with electrically conductive draw-in groove in the electrically conductive joint portion of second, two coil enameled wire connection feet have been linked firmly on the coil skeleton, and every coil enameled wire connection foot is equipped with enameled wire winding portion and joint cooperation portion, and enameled wire winding portion forms the electricity with coil enameled wire one end winding and is connected, and one is gone into to joint cooperation portion card of every coil enameled wire connection foot electrically conductive draw-in groove in the electrically conductive joint portion of second forms the electricity and connects.

7. An electromagnetic relay provided with a management interface according to claim 4, characterized in that: and one part of three side surfaces of the plate-shaped base part on each static reed extends outwards and is bent to form a riveting fixing part, a plurality of corresponding riveting holes are formed in the base, and each riveting fixing part is matched with one riveting hole to ensure that the plate-shaped base part is fixedly connected on the outer side surface of the base.

8. An electromagnetic relay provided with a management interface according to claim 4, characterized in that: a first glue filling space for filling glue is formed between the inner side surface of the plate-shaped base part of each static reed and the base and the housing, a glue injection through hole is formed in the middle of the plate-shaped base part, a glue storage area is arranged at the position, corresponding to the glue injection through hole, of the base, and the glue storage area is communicated with the first glue filling space; the housing is provided with a plurality of first exhaust grooves corresponding to the plate-shaped base, and each first exhaust groove is communicated with the first glue filling space.

9. An electromagnetic relay provided with a management interface according to claim 8, characterized in that: and a first dispensing area and a second dispensing area are respectively formed between the two sides of each plate-shaped base part and the base and the housing, and the first dispensing area and the second dispensing area are communicated with the first glue filling space.

10. An electromagnetic relay provided with a management interface according to any one of claims 1 to 9, characterized in that: a second glue filling space for filling glue is formed between one side of the interface shell and the housing, glue dispensing and storing grooves are formed in the interface shell on two sides of the interface groove, and each glue dispensing and storing groove is communicated with the second glue filling space; and one side of the housing, which corresponds to the interface shell, is provided with a plurality of second exhaust grooves, and each second exhaust groove is communicated with the second glue filling space.