CN213277962U

CN213277962U - Relay

Info

Publication number: CN213277962U
Application number: CN202022095286.XU
Authority: CN
Inventors: 王铁伟; 王坚敏; 朱孙航
Original assignee: NINGBO TIANBO GANGLIAN ELECTRONICS CO Ltd
Current assignee: NINGBO TIANBO GANGLIAN ELECTRONICS CO Ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-05-25
Anticipated expiration: 2030-09-22

Abstract

The application relates to the technical field of relays, in particular to a relay, which comprises a base, wherein the base is provided with an extending part, and the extending part extends upwards from one end of the base; a magnetic circuit assembly including a coil and a yoke mounted at one side of the extension portion, the coil being formed by winding an enamel wire at a middle section of the extension portion; the moving assembly comprises a push rod, one end of the push rod abuts against the top of the extending part, the other end of the push rod is provided with a fourth groove, and a mounting block is arranged on the side wall forming the fourth groove; the movable spring assembly comprises a movable spring plate, the top of the movable spring plate is provided with a mounting hole, and the mounting hole is connected with the mounting block in a sleeved mode. The utility model discloses can realize convenient to use, the convenient, not fragile advantage of dismouting through effectively utilizing its self structural configuration.

Description

Relay

Technical Field

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

Background

A relay (english name: relay) is an electric control device, and is an electric appliance 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 is usually applied to an automatic control circuit, and it is actually an automatic switch that uses a small current to control a large current operation. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like.

At present, in the existing relay, especially the structure for installing the movable spring, the installation method of the relay is to fix the top of the movable spring by means of a buckle. However, the mounting is cumbersome and the structure of the clip is relatively vulnerable to external damage. When the top structure of the movable spring is damaged, the movable spring cannot be installed, and another movable spring needs to be directly replaced, which is troublesome. In view of the above, it is necessary to design a new relay.

Therefore, the need exists for a relay that is easy to use, easy to assemble and disassemble, and less prone to damage.

Disclosure of Invention

The main objective of the present application is to provide a relay, wherein, the relay can effectively utilize its own structural configuration to realize convenient to use, the convenient advantage of dismouting.

It is another object of the present application to provide a relay, wherein the relay includes a push rod having a mounting block.

Another object of the present application is to provide a relay, wherein, the relay includes a movable contact spring, the movable contact spring has a mounting hole, the mounting hole with the installation piece cup joints to realize convenient dismouting.

Another object of the present application is to provide a relay, wherein the relay has a simple structure, is easy to operate, does not involve a complicated manufacturing process and expensive materials, has high economical efficiency, and is easy to popularize and use.

In order to achieve at least one of the above objects, the present application provides a relay, wherein the relay includes:

a base having an extension, wherein the extension extends upward from an end of the base;

a magnetic circuit assembly including a coil and a yoke installed at one side of the extension portion, wherein the coil is formed by winding an enamel wire at a middle section of the extension portion to fix the yoke;

the moving assembly comprises a push rod and an armature, one end of the push rod is slidably arranged at the top of the extension part, a fourth groove is formed in the other end of the push rod, a mounting block is arranged on the side wall forming the fourth groove, the top of the armature is clamped with the push rod, and the bottom of the armature is arranged on the base; and

the movable spring assembly comprises a movable spring piece and a movable contact, wherein the top of the movable spring piece is provided with a mounting hole and two oppositely arranged bending parts, the mounting hole is connected with the mounting block in a sleeved mode, the mounting hole is located between the two oppositely arranged bending parts, the bending parts are tightly abutted against the bottom of the push rod, the mounting hole of the movable spring piece is further prevented from being separated from the mounting block, the movable contact is mounted on the movable spring piece, the center of the movable contact and the center of the mounting hole are located on the same straight line, and the movable contact is located on the lower side of the bending parts.

In one or more embodiments of the present application, the base has a first recess, wherein the extension has a second recess and a cavity communicating the first recess and the second recess, wherein the second recess is located at a top of the extension, wherein the yoke is disposed in the first recess, the second recess, and the cavity, wherein the top of the yoke is disposed in the second recess and the bottom of the yoke is disposed in the first recess, wherein the bottom of the armature is disposed in the first recess.

In one or more embodiments of the present application, the second groove further has an opening, wherein the width of the opening is smaller than the width of the top of the yoke, and the top of the yoke placed in the second groove is engaged in the opening, so that the top of the yoke is confined in the second groove, and the yoke cannot be separated from the cavity.

In one or more embodiments of this application, the push rod is close to the one end of yoke is provided with the trompil, and the both sides of trompil are provided with an at least stopper respectively, both sides the stopper all is slided and is located in the second recess, and both sides the stopper be located respectively the both sides at the top of yoke and support and lean on the yoke, in order to prevent breaking away from of push rod the extension of base.

In one or more embodiments of this application, the push rod still has the draw-in groove that is used for the joint the top of armature, the draw-in groove be located the right side of stopper with between the fourth recess, wherein form the both sides wall of draw-in groove has an at least lug of relative setting, the lug supports and leans on the lateral wall about armature, with fixed the top of armature.

In one or more embodiments of the present application, at least one third groove is provided on the front and rear side walls of the armature, the third groove is located at the top of the armature, wherein at least one first protrusion is provided on the other two side walls forming the slot, and the third groove is connected to the first protrusion in a clamping manner to limit the movement of the armature, thereby preventing the armature from being separated from the slot.

In one or more embodiments of the present application, the armature further has a second protrusion located at a bottom of the armature, wherein the second protrusion is disposed in the first recess, and a top of the second protrusion abuts against a bottom of the yoke.

In one or more embodiments of the present application, the relay further includes an elastic member that is snapped into the first recess and is located on a side of the armature facing away from the yoke, wherein the elastic member has a force-receiving surface that abuts against a bottom of the armature such that the second protrusion of the armature abuts against the bottom of the yoke.

In one or more embodiments of the present application, the relay further includes a stationary spring assembly, the stationary spring assembly includes a stationary spring and a stationary contact, the stationary contact is mounted on the stationary spring, and a center of the stationary contact and a center of the movable contact are located on a same line, wherein a bottom of the stationary spring is mounted on a bottom of the base, and the stationary spring is located at one side of the movable spring, wherein the stationary spring is located between the movable spring and the armature.

In one or more embodiments of the present application, the mounting block has a truncated cone shape or a rectangular shape, wherein the mounting hole has a circular hole or a rectangular hole.

Drawings

These and/or other aspects and advantages of the present application will become more apparent and more readily appreciated from the following detailed description of the embodiments of the present application, taken in conjunction with the accompanying drawings of which:

fig. 1 illustrates a schematic diagram of a relay.

Fig. 2 illustrates a schematic structure of a first push rod.

Fig. 3 illustrates a schematic structural view of the armature.

Fig. 4 illustrates a schematic structural view of the movable spring assembly.

Fig. 5 illustrates a structural view of the elastic member.

Fig. 6 illustrates a schematic view of the base structure.

FIG. 7 is a schematic view of a second push rod

Fig. 8 illustrates a schematic structural view of another movable spring plate.

Detailed Description

The terms and words used in the following specification and claims are not limited to the literal meanings, but are used only by the inventors to enable a clear and consistent understanding of the application. Accordingly, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present application are provided for illustration only and not for the purpose of limiting the application as defined by the appended claims and their equivalents.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

While ordinal numbers such as "first," "second," etc., will be used to describe various components, those components are not limited herein. The term is used only to distinguish one element from another. For example, a first component could be termed a second component, and, similarly, a second component could be termed a first component, without departing from the teachings of the present inventive concept. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The terminology used herein is for the purpose of describing various embodiments only and is not intended to be limiting. As used herein, the singular forms are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, numbers, steps, operations, components, elements, or combinations thereof, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, components, elements, or groups thereof.

Summary of the application

Based on this, a relay which is convenient to use, disassemble and assemble and not easy to damage is needed.

Based on the technical problem, the application provides a relay, wherein, the relay simple structure does not relate to complicated manufacturing process and expensive material, has higher economic nature, simultaneously, to the producer, the relay that this application provided easily produces, and low cost more is favorable to controlling manufacturing cost, further is favorable to product popularization and use.

Schematic relay

Referring to fig. 1 to 8, a relay according to a preferred embodiment of the present invention will be described in detail, wherein the relay includes a base 10, and a magnetic circuit assembly 20, a movable spring assembly 30, a stationary spring assembly 40 and a movable assembly 50 are mounted on the base 10.

Further, the base 10 has an extension 11, wherein the extension 11 extends upward from one end of the base 10, and the extension 11 corresponds to a bobbin.

Further, the base 10 further has a first groove 101.

Further, the extension 11 has a second groove 111 and a cavity 112 connecting the first groove 101 and the second groove 111, wherein the second groove 111 is located at the top of the extension 11.

Specifically, the magnetic circuit assembly 20 includes a yoke 21, the yoke 21 is disposed in the cavity 112, wherein the top of the yoke 21 is disposed in the second recess 111, and the bottom of the yoke 21 is disposed in the first recess 101.

It should be noted that the second groove 111 further has an opening 1111, wherein the width of the opening 1111 is smaller than the width of the top of the yoke 21, so that the top of the yoke 21 is defined in the first groove 101, so that the yoke 21 cannot be disengaged from the cavity 112. Specifically, the magnetic circuit assembly 20 further includes a coil 22, and the coil 22 is formed by winding an enamel wire at a middle section of the bobbin. It will be understood by those skilled in the art that the magnetic circuit assembly 20 further includes two terminal pins, and the lead angle is installed at one end of the base 10 to connect to an external power source. Further, when the lead angle is communicated with an external power source, the yoke 21 generates a magnetic force.

As shown in fig. 1 and fig. 2, the moving assembly 50 includes a push rod 51, an opening 5101 is disposed at one end of the push rod 51 close to the yoke 21, at least one limiting block 511 is disposed on two side walls forming the opening 5101,

the limiting blocks 511 at two sides are slidably disposed in the second groove 111, and the limiting blocks 511 at two sides are respectively located at two sides of the top of the yoke 21 and abut against the yoke 21 to prevent the push rod 51 from separating from the extending portion 11 of the base 10.

Further, as shown in fig. 1 and 2, the moving assembly 50 further includes an armature 52, a top portion of the armature 52 is engaged with the push rod 51, and a bottom portion of the armature 52 is disposed in the first recess 101. Further, the push rod 51 has a clamping groove 512 for clamping the top of the armature 52, and the clamping groove 512 is located at the right side of the limit block 511. It should be noted that two side walls forming the clamping groove 512 have at least one protrusion 513 oppositely disposed, and the protrusions 513 abut against the left and right side walls of the armature 52 to fix the top of the armature 52.

Further, as shown in fig. 2, two other sidewalls forming the card slot 512 have at least one first protrusion 514 disposed oppositely.

Further, the front and rear side walls of the armature 52 have at least one third groove 521, and the third groove 521 is in snap connection with the first protrusion 514 to limit the movement of the armature 52 and further prevent the armature 52 from being separated from the slot 512, wherein the third groove 521 is located at the top of the armature 52.

Further, the armature 52 further has a second protrusion 522, and the second protrusion 522 is located at the bottom of the armature 52, wherein the second protrusion 522 is located in the first groove 101, and the top of the second protrusion 522 abuts against the bottom of the yoke 21.

Specifically, the relay further includes an elastic member 60, the elastic member 60 is clamped in the first recess 101, and the elastic member 60 is located at the right side of the armature 52. Further, the elastic member 60 has a force-receiving surface 61, and the force-receiving surface 61 abuts against the bottom of the armature 52 tightly, so that the second protrusion 522 of the armature 52 can abut against the bottom of the yoke 21.

It should be noted that the top of the yoke 21 is located between the limiting block 511 of the push rod 51 and the locking groove 512 of the push rod 51.

Further, as shown in fig. 2, the push rod 51 further has a fourth groove 515, wherein the fourth groove 515 is located at the right side of the card slot 512.

Further, a mounting block 516 is provided on the side wall forming the fourth recess 515 and away from the armature 52.

Further, the mounting block 516 is conical. It should be understood by those skilled in the art that the conical shape of the mounting block 516 is merely illustrative, and the shape of the mounting hole 311 includes, but is not limited to, conical, cylindrical, rectangular, etc.

Specifically, the movable spring assembly 30 includes a movable spring plate 31, the top of the movable spring plate 31 has a mounting hole 311, wherein the mounting hole 311 is sleeved on the mounting block 516, and the top of the movable spring plate 31 abuts against the side wall forming the fourth groove 515.

It should be noted that, in order to prevent the mounting hole 311 of the movable spring plate 31 from being detached from the mounting block 516, the movable spring plate 31 is further modified. Further, the top of the movable spring plate 31 further has two oppositely disposed bent portions 312, wherein the mounting hole 311 is located between the two oppositely disposed bent portions 312, wherein the bent portions 312 tightly abut against the bottom of the push rod 51, thereby preventing the mounting hole 311 of the movable spring plate 31 from being separated from the mounting block 516.

Further, the movable spring assembly 30 further includes a movable contact 32, the movable contact 32 is mounted on the movable spring 31, wherein the center of the movable contact 32 and the center of the mounting hole 311 are located on the same straight line, and the movable contact 32 is located at the lower side of the bent portion 312.

It is worth mentioning that the existing relay is used for being installed on the movable spring structure, and the top of the movable spring is often fixed in a buckling mode. But this mounting is cumbersome. In addition, the structure of the buckle is easy to be damaged externally, so that when the top structure of the movable spring is damaged, the movable spring cannot be installed, and another movable spring needs to be directly replaced, which is troublesome. And the utility model discloses a connected mode of installation piece 516 and mounting hole 311 has avoided movable reed 31 top structure to suffer this problem of destruction easily to the mode that adopts to cup joint is more convenient than the mode of buckle.

Specifically, the stationary spring assembly 40 includes a stationary spring 41 and a stationary contact 42, the stationary contact 42 is mounted on the stationary spring 41, and the center of the stationary contact 42 and the center of the movable contact 32 are located on the same line, wherein the bottom of the stationary spring 41 is mounted on the bottom of the base 10, and the stationary spring 41 is located on one side of the movable spring 31, wherein the stationary spring 41 is located between the movable spring 31 and the armature 52.

The use process of the utility model is simply explained below. In use, the yoke 21 generates an attractive force, so that the top of the armature 52 moves closer to the top of the yoke 21. Since the top of the armature 52 is mounted in the slot 512 of the push rod 51, the push rod 51 moves laterally a predetermined distance in a direction approaching the yoke 21, so that the top of the armature 52 abuts against the top of the yoke 21. Since the mounting hole 311 of the movable spring 31 is sleeved with the mounting block 516 of the push rod 51, when the push rod 51 moves laterally a predetermined distance in a direction of approaching the yoke 21, the top of the movable spring 31 swings a predetermined distance in a direction of approaching the stationary spring 41, so that the movable contact 32 contacts the stationary contact 42. When the yoke 21 does not generate attraction, the movable spring 31 is reset by its own elastic potential energy, so that the push rod 51 moves transversely a predetermined distance away from the yoke 21, and the armature 52 moves transversely a predetermined distance away from the yoke 21, so that the top of the armature 52 is separated from the top of the yoke 21.

In conclusion, the relay based on the embodiment of the application is clarified, and the relay is convenient to use, convenient to disassemble and assemble, not easy to damage and the like.

It is worth mentioning that in the embodiment of the present application, the relay has a simple structure, does not involve a complicated manufacturing process and expensive materials, and has high economical efficiency. Meanwhile, for manufacturers, the relay is easy to produce, low in cost and more beneficial to controlling production cost, and further beneficial to product popularization and use.

It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments, and any variations or modifications may be made without departing from the principles of the present invention.

Claims

1. A relay, characterized in that the relay comprises:

2. The relay of claim 1, wherein the base has a first recess, wherein the extension has a second recess and a cavity communicating the first recess and the second recess, wherein the second recess is located at a top of the extension, wherein the yoke is disposed within the first recess, the second recess, and the cavity, wherein the top of the yoke is disposed within the second recess and the bottom of the yoke is disposed within the first recess, wherein the bottom of the armature is disposed within the first recess.

3. The relay according to claim 2, wherein the second recess further has an opening, wherein the opening has a width smaller than a width of the top of the yoke, and the top of the yoke placed in the second recess is caught in the opening, so that the top of the yoke is confined in the second recess, so that the yoke cannot be disengaged from the cavity.

4. The relay according to claim 3, wherein an opening is formed at one end of the push rod close to the yoke, at least one stopper is respectively disposed at two sides of the opening, the stoppers at two sides are slidably disposed in the second groove, and the stoppers at two sides are respectively disposed at two sides of the top of the yoke and abut against the yoke to prevent the push rod from separating from the extending portion of the base.

5. The relay according to claim 4, wherein the push rod further has a clamping groove for clamping the top of the armature, the clamping groove is located between the right side of the limiting block and the fourth groove, wherein two side walls forming the clamping groove have at least one oppositely arranged protrusion, and the protrusions abut against the left and right side walls of the armature to fix the top of the armature.

6. The relay according to claim 5, wherein the front and rear side walls of the armature have at least one third recess, the third recess is located at the top of the armature, and the other two side walls forming the slot have at least one first protrusion disposed oppositely, the third recess is connected with the first protrusion in a snap-fit manner to limit the movement of the armature, thereby preventing the armature from separating from the slot.

7. The relay according to claim 6, wherein said armature further has a second protrusion located at a bottom of said armature, wherein said second protrusion is disposed in said first recess, and a top of said second protrusion abuts against a bottom of said yoke.

8. The relay according to claim 7, wherein said relay further comprises a resilient member, said resilient member being snap-fitted into said first recess and located on a side of said armature facing away from said yoke, wherein said resilient member has a force-receiving surface that abuts against a bottom of said armature such that said second protrusion of said armature abuts against a bottom of said yoke.

9. The relay according to claim 1, wherein said relay further comprises a stationary spring assembly, said stationary spring assembly comprising a stationary spring and a stationary contact, said stationary contact being mounted on said stationary spring, and a center of said stationary contact and a center of said movable contact being located on a same line, wherein a bottom of said stationary spring is mounted on a bottom of said base, and said stationary spring is located on a side of said movable spring, wherein said stationary spring is located between said movable spring and said armature.

10. The relay of claim 1, wherein the mounting block is truncated cone-shaped or rectangular, wherein the mounting hole is a circular hole or a rectangular hole.