CN220208835U - Relay device - Google Patents

Abstract

The utility model provides a relay which comprises a base, a fast plug-in terminal assembly and a lead-out terminal, wherein a limiting groove is formed on the base, the lead-out terminal is arranged on the base, and the fast plug-in terminal assembly is slidably arranged in the limiting groove and is movably connected with the lead-out terminal. The contact sets up on inserting the terminal subassembly soon, inserts terminal and leading-out terminal swing joint soon to insert the terminal subassembly soon and be slidable mounting on the spacing groove, can slide in or slide out the spacing groove. When the quick plug-in terminal assembly needs to be replaced, the quick plug-in terminal assembly only needs to be replaced and slides out along the limiting groove, and then a new quick plug-in terminal assembly slides in along the limiting groove to be connected with the lead-out terminal, so that the whole relay does not need to be scrapped, and the replacement and maintenance cost is reduced. The relay has the advantages of low replacement and maintenance cost.

Description

Relay device

Technical Field

The utility model relates to the technical field of relays, in particular to a relay.

Background

In the relay product in the existing photovoltaic and energy storage fields, the contact is arranged on the leading-out terminal, the leading-out terminal is fixed on the base, and when the high-power relay contact in the photovoltaic and energy storage fields fails or is abnormal, the whole relay can only be scrapped, so that the replacement cost is high.

In view of this, it is necessary to provide a new relay that solves or at least alleviates the technical drawbacks mentioned above.

Disclosure of Invention

In view of the above, the present utility model provides a relay, which aims to solve the technical problem of high replacement cost of the relay in the related art.

The utility model provides a relay which comprises a base, a fast plug-in terminal assembly and a lead-out terminal, wherein a limiting groove is formed in the base, the lead-out terminal is mounted on the base, and the fast plug-in terminal assembly is slidably mounted in the limiting groove and is movably connected with the lead-out terminal.

In an embodiment, the fast plug terminal assembly comprises a fast plug terminal, the fast plug terminal is slidably mounted in the limiting groove and movably connected with the lead-out terminal, and the fast plug terminal assembly is provided with a contact.

In an embodiment, a first clamping position is arranged on the quick-insertion terminal, a second clamping position is arranged on the lead-out terminal, and the first clamping position is clamped with the second clamping position.

In an embodiment, the first clamping position comprises a clamping groove, and the second clamping position comprises a clamping end clamped with the clamping groove; or alternatively, the first and second heat exchangers may be,

the first clamping position comprises a clamping end, and the second clamping position comprises a clamping groove clamped with the clamping end.

In an embodiment, the number of the quick-inserting terminal assemblies is two, the two quick-inserting terminals are respectively and slidably mounted on two opposite sides of the base, the lead-out terminals are auxiliary terminals, the contacts are auxiliary contacts, each quick-inserting terminal assembly further comprises a connecting piece connected with the quick-inserting terminal, and the two auxiliary contacts on the two connecting pieces are arranged in a facing manner; the first clamping position comprises a waist-shaped hole extending along the length direction of the limiting groove, the second clamping position comprises a clamping protrusion, and the clamping protrusion is slidably arranged in the waist-shaped hole to adjust the gap between the two auxiliary contacts.

In an embodiment, the relay further comprises an armature, the two connecting pieces are a movable connecting piece and a static connecting piece respectively, the movable connecting piece is abutted with the armature, and the armature is used for pressing down the movable connecting piece to enable a contact on the movable connecting piece to be electrically connected with a contact on the static connecting piece.

In an embodiment, the quick insert terminal includes a body and a limiting protrusion disposed on the body, the body is slidably mounted in the limiting groove, and the limiting protrusion is abutted to the limiting groove.

In an embodiment, the limiting protrusion is disposed on a side edge of the body, and the limiting protrusion is abutted to a groove wall of the limiting groove.

In an embodiment, the limiting groove comprises a first limiting groove and a second limiting groove which are communicated with each other, the size of the first limiting groove is larger than that of the second limiting groove, the limiting protrusion is abutted with the first limiting groove, and the body is slidably mounted in the second limiting groove.

In an embodiment, a notch is formed on a groove side wall of the first limiting groove, and the notch is located at the outer side of the base.

In an embodiment, the lead-out terminal is formed with a limiting portion, and the limiting portion includes a step formed on the lead-out terminal, and the step is used for abutting against the quick-plug terminal to limit the downward moving distance of the quick-plug terminal.

In the above-mentioned scheme, the relay includes base, inserts terminal subassembly and extraction terminal soon, is formed with the spacing groove on the base, and extraction terminal installs in the base, inserts terminal subassembly and installs in the spacing groove and with extraction terminal swing joint soon with sliding. The two limiting grooves are used, firstly, a slide way is provided for the fast plug-in terminal assembly, so that the fast plug-in terminal assembly can slide along the extending direction of the limiting grooves to be connected with the lead-out terminal; and secondly, a limiting effect is provided, and the quick-inserting terminal assembly is limited left and right and front and back, so that the quick-inserting terminal assembly can only slide along the extending direction of the limiting groove, and the position of the quick-inserting terminal assembly, which corresponds to the up and down direction of the relay, can be ensured to move to the leading-out terminal, and is connected with the leading-out terminal. The contact sets up on inserting the terminal subassembly soon, inserts terminal and leading-out terminal swing joint soon, and the swing joint of here indicates and can dismantle the connection to insert the terminal subassembly soon and be slidable mounting on the spacing groove, can slide in or slide out the spacing groove soon. Therefore, when the quick plug-in terminal assembly needs to be replaced, the quick plug-in terminal assembly only needs to be replaced to slide out along the limiting groove, the new quick plug-in terminal assembly slides in along the limiting groove to be connected with the lead-out terminal, the whole relay does not need to be scrapped, and replacement and maintenance cost is reduced. The utility model has the advantages of low replacement and maintenance cost.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the accompanying drawings. In the drawings:

FIG. 1 is a schematic view of a relay according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a portion of a relay according to an embodiment of the present utility model;

fig. 3 is a schematic perspective view of a fast plug terminal assembly and a lead-out terminal of a relay according to an embodiment of the present utility model;

FIG. 4 is a schematic view of the view of FIG. 3;

fig. 5 is a schematic structural diagram of a snap-in terminal and an outgoing terminal of a relay according to an embodiment of the present utility model;

fig. 6 is an exploded view of the quick connector and the lead-out terminal of the relay according to the embodiment of the present utility model;

FIG. 7 is a schematic view of another part of the structure of a relay according to an embodiment of the present utility model;

FIG. 8 is a schematic view of a further portion of a relay according to an embodiment of the present utility model;

fig. 9 is an enlarged schematic view of the structure of fig. 8 at a.

Reference numerals in the specific embodiments are as follows:

100. a relay; 1. a base; 11. a buckle; 2. a limit groove; 21. a first limit groove; 211. a bottom wall of the tank; 212. a groove sidewall; 213. a notch; 214. an inlet; 22. the second limit groove; 3. a quick connect terminal assembly; 31. a quick-plug terminal; 311. a first clamping position; 3111. a waist-shaped hole; 312. a body; 313. a limit protrusion; 32. a connecting piece; 321. a contact; 322. a movable connecting piece; 323. a stationary connector; 4. a lead-out terminal; 41. a second clamping position; 411. the clamping bulge; 42. a limit part; 421. a step; 5. an armature; 6. a housing; 61. a bayonet.

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

In the description of embodiments of the present utility model, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present utility model, the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the description of the embodiments of the present utility model, the term "plurality" means two or more (including two), and similarly, "plural sets" means two or more (including two), and "plural sheets" means two or more (including two).

In the description of the embodiments of the present utility model, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present utility model.

In the description of the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

Referring to fig. 1 to 3, the utility model provides a relay 100, which comprises a base 1, a fast plug-in terminal assembly 3 and a lead-out terminal 4, wherein a limit groove 2 is formed on the base 1, the lead-out terminal 4 is mounted on the base 1, and the fast plug-in terminal assembly 3 is slidably mounted in the limit groove 2 and is movably connected with the lead-out terminal 4.

In the above embodiment, two limiting grooves 2 are provided, first, a slide way is provided for the fast-inserting terminal assembly 3, so that the fast-inserting terminal assembly 3 can slide along the extending direction of the limiting grooves 2 to be connected with the lead-out terminal 4; secondly, provide spacing effect, refer to the arrow direction of fig. 2 and show, carry out spacing about and around to fast the plug-in terminal subassembly 3 for fast plug-in terminal subassembly 3 can only be along the extending direction of spacing groove 2, corresponds relay 100 upper and lower direction and slides, ensures that fast plug-in terminal subassembly 3 can move to the position of terminal 4 and be connected with terminal 4. The contact 321 is disposed on the fast plug-in terminal assembly 3, the fast plug-in terminal 31 is movably connected with the lead-out terminal 4, the movable connection finger can be detached and connected, and the fast plug-in terminal assembly 3 is slidably mounted on the limit slot 2, i.e. can slide into or slide out of the limit slot 2. Like this, when the quick plug terminal subassembly 3 need be changed, only need with quick plug terminal subassembly 3 that needs to be changed slide out along spacing groove 2, with new quick plug terminal subassembly 3 slide in along spacing groove 2 to be connected with terminal 4, and need not scrap whole relay 100, reduced change and cost of maintenance. This embodiment has the advantage of low replacement and maintenance costs. The contact 321 may be a main contact or an auxiliary contact, and the corresponding outgoing terminal 4 is a main terminal or an auxiliary terminal.

Referring to fig. 2 to 6, in an embodiment, the quick connector assembly 3 includes a quick connector 31, the quick connector 31 is slidably mounted in the limiting slot 2 and movably connected to the lead-out terminal 4, and the quick connector assembly 3 is provided with a contact 321. When the lead terminal 4 is a main terminal, the quick connector assembly 3 may include only the quick connector 31, and the contact 321 is a main contact disposed on the quick connector 31.

Referring to fig. 1 and 2, in an embodiment, the relay 100 further includes a housing 6, a bayonet 61 is provided on the housing 6, a buckle 11 is provided on the base 1, and the housing 6 is clamped with the base 1 through the buckle 11 and the bayonet 61.

Referring to fig. 5 and 6, in an embodiment, a first clamping position 311 is provided on the quick connector 31, a second clamping position 41 is provided on the lead terminal 4, and the first clamping position 311 is clamped with the second clamping position 41. The fast inserting terminal 31 and the leading-out terminal 4 are clamped through the first clamping position 311 and the second clamping position 41 so as to realize detachable connection of the fast inserting terminal 31 and the leading-out terminal 4. In a specific embodiment, the first clamping position 311 may be a clamping groove provided on the quick connector 31, and the second clamping position 41 may be a clamping end provided on the lead-out terminal 4 and used for clamping with the clamping groove. In another specific embodiment, the first clamping position 311 may be a clamping end disposed on the quick connector 31, and the second clamping position 41 may be a clamping groove disposed on the lead terminal 4 and used for clamping with the clamping end. The clamping end may be a protruding end formed on the lead-out terminal 4 or the quick-connect terminal 31, and the clamping groove may be a groove formed on the lead-out terminal 4 or the quick-connect terminal 31.

Referring to fig. 3 to 7, in one embodiment, the number of the quick connector assemblies 3 is two, two quick connectors 31 are slidably mounted on two opposite sides of the base 1, the lead terminals 4 are auxiliary terminals, and the contacts 321 are auxiliary contacts; each quick connector assembly 3 includes a quick connector 31 and a connector 32 connected to the quick connector 31, and two contacts 321 on the two connectors 32 are disposed facing each other. The number of the limiting grooves 2, the fast inserting terminals 31, the contacts 321 and the lead-out terminals 4 is two, the two limiting grooves 2 are respectively arranged on two opposite sides of the base 1, the lead-out terminals 4 are correspondingly arranged with the fast inserting terminals 31, the two connecting pieces 32 are arranged at intervals, the two contacts 321 are respectively arranged on the two connecting pieces 32 and face to face, when the relay 100 is in a non-working state, a gap is reserved between the two contacts 321, when the relay 100 is in a working state, the coil is electrified, and the connecting pieces 32 are mutually close to enable the two contacts 321 to be in contact so as to realize electric conduction. The first clamping position 311 includes a waist-shaped hole 3111 extending along the length direction of the limiting slot 2, the second clamping position 41 includes a clamping protrusion 411 clamped with the waist-shaped hole 3111, and the clamping protrusion 411 is slidably mounted in the waist-shaped hole 3111 to adjust a gap between the two auxiliary contacts 321. The length direction of the limit groove 2, that is, the sliding direction of the snap-in terminal 31, that is, the up-down direction of the relay 100. The catch tab 411 may be in the form of a cylindrical boss or other protrusion. By providing the through hole penetrating the quick connector 31, the connection strength between the waist-shaped hole 3111 and the engaging protrusion 411 can be improved, so that the two are not easily released. The through-hole is provided as a waist-shaped hole 3111 mainly for adjusting the gap between the contacts 321 by mounting the catching protrusion 411 at different positions of the waist-shaped hole 3111. Of course, it will be understood by those skilled in the art that the snap terminal 31 may be provided with a snap protrusion 411 and the lead terminal 4 may be provided with a waist-shaped hole 3111. In addition, it should be noted that only one of the number of the quick-inserting terminal assemblies 3 and the limit groove 2 may be provided, the other side of the quick-inserting terminal assemblies is provided with a fixed terminal assembly, the fixed terminal assembly is also provided with a contact 321, and the quick-inserting terminal 31 is slidably mounted in the limit groove 2 to realize connection with the lead-out terminal 4, and the distance between the two contacts 321 is adjusted. This embodiment has an advantage that the contact and separation of the two contacts 321 can be facilitated, and the gap between the two contacts 321 can be adjusted.

In addition, when the lead terminal 4 is an auxiliary terminal and the contact 321 is an auxiliary contact, the connecting member 32 may be an elastic member, and may be a reed when the connecting member is an elastic member. The connecting piece 32 can be a sheet-shaped reed, and the reed has low manufacturing cost and high elasticity, and is convenient for the deformation and recovery deformation of the connecting piece 32. The connecting piece 32 and the quick-inserting terminal 31 can be integrally formed, can be manufactured in sections, and can be fixedly connected in a riveting or welding mode when manufactured in sections, or can be detachably connected in a mode, such as a threaded fastener connection or clamping connection. The auxiliary contact is arranged on the connecting piece 32, so that the coil is electrified mainly for facilitating the relay 100 to be in a working state, the armature 5 can be pressed down under the action of electromagnetic force to deform the connecting piece 32, and the auxiliary contact 321 is electrically conducted. When in the non-working state, the armature 5 is restored to the original position, and the connecting piece 32 is restored to deform so that the auxiliary contact 321 is separated to be powered off. The auxiliary terminal 4 may be partially mounted in the limit groove 2.

In an embodiment, referring to fig. 2 to 4, in an embodiment, the relay 100 further includes an armature 5, the two connecting pieces 32 are a movable connecting piece 322 and a static connecting piece 323, respectively, the movable connecting piece 322 abuts against the armature 5, and the armature 5 is used for pressing the movable connecting piece 322 so that a contact 321 on the movable connecting piece 322 is connected with a contact 321 on the static connecting piece 323. The relay 100 includes an iron core, an armature 5, and a coil, which when energized, generates electromagnetic force that attracts the armature to move. The movable connecting piece 322 moves along with the armature 5 under the downward pressure of the armature 5, the static connecting piece 323 is kept motionless, when the coil of the relay 100 is electrified, the armature 5 is pressed under the action of electromagnetic force, so that the movable connecting piece 322 abutting against the armature moves towards the static connecting piece 323 until the contact 321 on the movable connecting piece 322 is connected with the contact 321 on the static connecting piece 323 to realize electric conduction. When the coil is de-energized, the electromagnetic force is removed and the armature 5 returns to its original position, separating the two contacts 321. The embodiment realizes the conduction and separation of the two contacts 321 by controlling the movement of one connecting piece 32, and has simple structural design and convenient manufacture.

Referring to fig. 5 and 6, in an embodiment, the quick connector 31 includes a body 312 and a limiting protrusion 313 disposed on the body 312, the body 312 is slidably mounted in the limiting slot 2, the limiting protrusion 313 abuts against the limiting slot 2, and the first clamping position 311 is disposed on the body 312. Specifically, the body 312 may be a strip-shaped plate, and the limiting protrusion 313 expands the limiting groove 2 when sliding into the limiting groove 2, and the limiting protrusion 313 is in interference fit with the limiting groove 2, so that a pressing force exists between the limiting protrusion 313 and the limiting groove 2. The quick insert terminal 31 is not moved along the limit groove 2 without external force driving by the friction force between the limit protrusion 313 and the limit groove 2, so that connection fastening can be ensured.

Referring to fig. 6, in an embodiment, the limiting protrusion 313 is disposed at a side of the body 312, and the limiting protrusion 313 abuts against a groove wall of the limiting groove 2. The number of the limiting protrusions 313 may be plural, and the plurality of limiting protrusions 313 are respectively disposed on two sides of the body 312. The number of the limit protrusions 313 is not specifically set in this embodiment, and may be set according to actual needs by those skilled in the art. The limit protrusion 313 is made of an elastic material.

Referring to fig. 7 to 9, in an embodiment, the limiting groove 2 is a stepped groove, and the limiting groove 2 includes a first limiting groove 21 and a second limiting groove 22 which are mutually communicated, and the size of the first limiting groove 21 is larger than the size of the second limiting groove 22, where the size refers to the size in the left-right direction in fig. 2. The limiting protrusion 313 abuts against the first limiting groove 21, and the body 312 is slidably mounted in the second limiting groove 22. The quick insert terminal 31 is inserted from the entrance 214 of the first limit groove 21, the body 312 slides along the second limit groove 22, the limit protrusion 313 slides into the first limit groove 21 from the entrance 214, the first limit groove 21 comprises a groove bottom wall 211 and groove side walls 212 respectively arranged on two opposite sides of the groove bottom wall 211, the limit protrusion 313 is in interference fit with the groove side walls 212 of the first limit groove 21, and the quick insert terminal 31 cannot move along the limit groove 2 under the driving of no external force due to the friction between the limit protrusion 313 and the first limit groove 21, so that the installation firmness is improved. In addition, since the size of the second limiting groove 22 is smaller than that of the first limiting groove 21, the limiting protrusion 313 stops when sliding to the connection part between the second limiting groove 22 and the first limiting groove 21, and does not slide into the first limiting groove 21, so that the moving distance of the quick connector 31 can be limited, and a gap is reserved between the contacts 321 on the two connecting pieces 32.

Referring to fig. 8 and 9, in an embodiment, a notch 213 is formed on a groove sidewall 212 of the first limiting groove 21, and the notch 213 is located outside the base 1. This notch 213 is provided primarily to facilitate removal of the quick connect terminal 31. Specifically, a notch 213 is formed in the groove side wall 212 of the first limiting groove 21 on the side close to the entrance 214 of the first limiting groove 21, that is, on the side where the quick connector terminal 31 is inserted into the first limiting groove 21, and this notch 213 extends to the entrance 214 of the limiting groove 2 and the groove bottom wall 211 of the limiting groove 2. Thus, referring to fig. 2, when the quick connector 31 needs to be removed, the quick connector 31 is only moved toward the entrance 214 of the limiting groove 2, and when the limiting protrusion 313 moves to the notch 213, the quick connector 31 is moved backward to remove the quick connector 31. In addition, the notch 213 can provide a visual field, so that the connection condition between the quick connector 31 and the lead-out terminal 4 or the limit groove 2 can be checked conveniently.

Referring to fig. 5 and 6, in an embodiment, the lead terminal 4 is formed with a limiting portion 42, and the limiting portion 42 is used to abut against the quick connector 31 to limit the downward moving distance of the quick connector 31. The direction here is "down", as shown by the direction in fig. 2. The limiting portion 42 is mainly used for limiting the downward moving distance of the quick connector 31, so as to ensure that a gap is reserved between the contacts 321 on the two connecting pieces 32. In a specific embodiment, the limiting portion 42 includes a step 421 formed on the lead terminal 4, and the step 421 is used to abut against an end of the quick connector 31 away from the end of the connecting member 32 to limit the downward movement distance of the quick connector 31.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (11)

1. The relay is characterized by comprising a base, a fast inserting terminal assembly and a leading-out terminal, wherein a limiting groove is formed in the base, the leading-out terminal is installed on the base, and the fast inserting terminal assembly is slidably installed in the limiting groove and is movably connected with the leading-out terminal.

2. The relay of claim 1, wherein the quick connector assembly comprises a quick connector slidably mounted in the limit slot and movably connected to the lead connector _， The quick connector assembly is provided with contacts.

3. The relay according to claim 2, wherein a first clamping position is provided on the quick-connect terminal, a second clamping position is provided on the lead-out terminal, and the first clamping position is clamped with the second clamping position.

4. The relay of claim 3, wherein the first clamping location comprises a clamping slot and the second clamping location comprises a clamping end clamped with the clamping slot; or alternatively, the first and second heat exchangers may be,

the first clamping position comprises a clamping end, and the second clamping position comprises a clamping groove clamped with the clamping end.

5. A relay according to claim 3, wherein the number of said quick-connect terminal assemblies is two, two said quick-connect terminals are slidably mounted on opposite sides of said base, said lead terminals are auxiliary terminals, said contacts are auxiliary contacts, each said quick-connect terminal assembly further comprises a connector connected to said quick-connect terminal, and two said auxiliary contacts on two said connectors are disposed in a face-to-face relationship; the first clamping position comprises a waist-shaped hole extending along the length direction of the limiting groove, the second clamping position comprises a clamping protrusion, and the clamping protrusion is slidably arranged in the waist-shaped hole to adjust the gap between the two auxiliary contacts.

6. The relay of claim 5, further comprising an armature, wherein the two connectors are a movable connector and a stationary connector, respectively, the movable connector being in abutment with the armature, the armature being configured to depress the movable connector such that a contact on the movable connector is electrically connected with a contact on the stationary connector.

7. The relay of claim 2, wherein the quick connect terminal comprises a body and a limit protrusion disposed on the body, the body is slidably mounted in the limit slot, and the limit protrusion is in abutment with the limit slot.

8. The relay of claim 7, wherein the limit protrusion is disposed on a side of the body, and the limit protrusion abuts against a groove wall of the limit groove.

9. The relay of claim 7, wherein the limit slot comprises a first limit slot and a second limit slot that are in communication with each other, the first limit slot has a size greater than the second limit slot, the limit projection is in abutment with the first limit slot, and the body is slidably mounted in the second limit slot.

10. The relay of claim 9, wherein a notch is formed in a slot sidewall of the first limiting slot, the notch being located outside of the base.

11. A relay according to any one of claims 2 to 10, wherein the lead-out terminal has a step formed thereon for abutting against the quick-connect terminal to limit the downward movement distance of the quick-connect terminal.