Relay static reed assembly

Abstract

The utility model discloses a relay static reed assembly, which relates to the technical field of relays and comprises an insulating reed, a connecting reed and a static reed, the back surface of the insulating reed abuts against the connecting reed, the back surface of the connecting reed abuts against the static reed, and static contacts are arranged in the insulating reed, the connecting reed and the static reed. Arc-shaped protrusions are arranged in the insulating reeds, the connecting reeds and the static reeds, and the multiple arc-shaped protrusions are arranged close to each other. According to the utility model, the current load on each reed can be dispersed, so that the current pressure borne by each reed is small, the abrasion probability of each reed is reduced, the relay static reed assembly is not easy to break down by current, and the service life of the relay static reed assembly is prolonged. And meanwhile, arc-shaped bulges are arranged in the insulating reeds, the connecting reeds and the static reeds, so that the size of a gap between the adjacent reeds can be enlarged, and the heat dissipation effect of each reed is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to relay technology field, concretely is a kind of relay static spring piece assembly. BACKGROUND

[0002] The spring in relay mainly plays the role of automatic regulation, safety protection and conversion circuit. Specifically, the static spring piece in relay is usually called release spring, which is a control device in relay, and can automatically regulate, provide safety protection and convert circuit in the circuit.

[0003] At present, the static spring piece inside relay is mainly controlled by the operation of armature magnetic circuit when operating, and automatically realizes the opening and closing or conversion operation of internal electric circuit of relay. However, the internal static spring piece of traditional relay needs to transmit a large amount of current when actually used, and the static spring piece is easy to be broken down due to large current, and the current carrying capacity is weak. At the same time, when transmitting current, a certain temperature will accumulate in the internal static spring piece, which will affect the service life of the static spring piece when operating. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of relay static spring piece assembly to solve the problems raised in the above background technology.

[0005] To achieve the above utility model purposes, the utility model adopts the following technical solutions:

[0006] The utility model provides a kind of relay static spring piece assembly, including insulating spring piece, connecting spring piece and static spring piece, the back of the insulating spring piece is in contact with connecting spring piece, the back of the connecting spring piece is in contact with static spring piece, the inside of the insulating spring piece, connecting spring piece and static spring piece is provided with static contact,

[0007] Among them, the inside of the insulating spring piece, connecting spring piece and static spring piece is provided with arc convex, multiple arc convexes are close to setting.

[0008] Preferably, the inside of the insulating spring piece, connecting spring piece and static spring piece is provided with multiple assembly openings, multiple assembly openings are arranged on the side surface of arc convex,

[0009] Among them, the inside of the arc convex is provided with heat dissipation opening, and the heat dissipation opening is provided with multiple.

[0010] Preferably, the side of the insulating spring piece away from the assembly opening is provided with connecting portion, the inside of the connecting portion is provided with alignment convex,

[0011] Among them, the alignment convex is provided with two, two alignment convexes are installed on the side surface of connecting spring piece, and the alignment convex is away from the assembly opening.

[0012] Preferably, the electrostatic reed is provided with an inclined plate on the side away from the assembly opening, the inclined plate is located on the side of the connecting reed, and the inclined plate and the connecting reed are arranged in a "V" shape,

[0013] The inclined plate is located on the side of the embedding part, the embedding part is opened in the inside of the electrostatic reed, and the embedding part is located on the outside of the electrostatic contact.

[0014] Preferably, a straight-line heat dissipation part is opened in the inside of the electrostatic reed, the straight-line heat dissipation part is arranged through the arc-shaped protrusion, and the straight-line heat dissipation part and the arc-shaped protrusion form a "cross" shape,

[0015] The straight-line heat dissipation part is arranged between the assembly opening and the embedding part.

[0016] Preferably, an embedding body is assembled in the inside of the embedding part, a connecting rod is installed in the inside of the embedding body, and the connecting rod is arranged through the electrostatic contact,

[0017] The center part of the connecting rod is arranged in a circular shape, a positioning pin is arranged through the inside of the connecting rod, the positioning pin extends to the inside of the electrostatic contact, and the positioning pin is threadedly connected with the electrostatic contact.

[0018] Compared with the prior art, the above one or more technical solutions have the following beneficial effects:

[0019] 1. The relay reed assembly composed of the insulating reed, the connecting reed and the electrostatic reed can ensure that the current can be transmitted to the inside of the insulating reed, the connecting reed and the electrostatic reed respectively, can disperse the load on each reed, makes the current pressure on each reed smaller, thereby reduces the probability of wear of each reed, is not easy to be broken down by the current, and prolongs the service life of the relay reed assembly. Meanwhile, the arc-shaped protrusions arranged in the inside of the insulating reed, the connecting reed and the electrostatic reed can expand the gap size between adjacent reeds, and improve the heat dissipation effect of each reed, so that each reed can operate for a long time.

[0020] 2. The electrostatic contact assembled on the relay reed assembly is connected with the electrostatic contact through the inclined embedding part, the contact area size of the electrostatic contact is improved, the embedding body for installing the electrostatic contact can ensure the firmness of the connection between the electrostatic contact and the electrostatic reed, and the electrostatic reed and the electrostatic contact are not easy to be disconnected. DRAWINGS

[0021] The drawings constituting a part of the specification of the present utility model are used to provide a further understanding of the present utility model, and the illustrative embodiments of the present utility model and the description thereof are used to explain the present utility model, and do not constitute an improper limitation on the present utility model.

[0022] In addition, the terms "mounting", "setting", "provided with", "connecting", "connected", "sleeved" should be understood broadly. For example, it can be fixed connection, detachable connection, or integral structure; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood according to the specific circumstances by those skilled in the art.

[0023] Figure 1 is the overall front structure schematic diagram of the utility model;

[0024] Figure 2 is the overall explosion structure schematic diagram of the utility model;

[0025] Figure 3 is the overall back structure schematic diagram of the utility model;

[0026] Figure 4 is the structure schematic diagram of the utility model static spring;

[0027] Figure 5 is the structure schematic diagram of the utility model static contact and embedded body connection explosion;

[0028] In the drawings:

[0029] 10, insulating spring; 101, connecting part; 102, alignment protrusion; 20, connecting spring;

[0030] 30, static spring; 301, inclined plate; 302, embedded part; 3021, embedded body; 3022, connecting rod; 3023, positioning bolt; 303, straight heat dissipation part;

[0031] 40, static contact; 50, arc protrusion; 500, heat dissipation port; 60, assembly port. DETAILED DESCRIPTION

[0032] In order to make the person in the art better understand the present application scheme, the technical scheme in the present application embodiment will be described clearly and completely in the following with the drawings in the present application embodiment. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0033] Please refer to Figures 1-5The application discloses a relay static spring piece assembly which comprises an insulating spring piece 10, a connecting spring piece 20 and a static spring piece 30, the back surface of the insulating spring piece 10 is in contact with the connecting spring piece 20, the back surface of the connecting spring piece 20 is in contact with the static spring piece 30, and the inner part of the insulating spring piece 10, the connecting spring piece 20 and the static spring piece 30 is provided with a static contact 40, wherein the inner part of the insulating spring piece 10, the connecting spring piece 20 and the static spring piece 30 is provided with arc-shaped protrusions 50, and a plurality of arc-shaped protrusions 50 are arranged close to each other.

[0034] In the application, the relay static spring piece assembly is composed of the insulating spring piece 10, the connecting spring piece 20 and the static spring piece 30, the current transmission effect in the relay static spring piece assembly can be effectively improved, the load on the spring pieces is dispersed, the current pressure borne by each spring piece is small, the spring pieces are not easily broken by the transmitted current, the wear of the spring pieces is reduced, and the service life of the spring pieces is prolonged. The static contact 40 for conducting electricity is stably and firmly arranged in the inner part of the insulating spring piece 10, the connecting spring piece 20 and the static spring piece 30, the current transmitted in the inner part of the insulating spring piece 10, the connecting spring piece 20 and the static spring piece 30 is relatively balanced, and the service life of each spring piece is consistent. The design of the arc-shaped protrusions 50 can improve the size of the gap between the insulating spring piece 10, the connecting spring piece 20 and the static spring piece 30, and ensure that the connecting spring piece 20 located in the middle part has enough space for heat dissipation.

[0035] Further, a plurality of assembly openings 60 are arranged in the inner part of the insulating spring piece 10, the connecting spring piece 20 and the static spring piece 30, and the arc-shaped protrusions 50 are arranged on the side surfaces of the arc-shaped protrusions 50, wherein a plurality of heat dissipation openings 500 are arranged in the inner part of the arc-shaped protrusions 50.

[0036] The design of the heat dissipation openings 500 can further improve the heat dissipation capacity of the insulating spring piece 10, the connecting spring piece 20 and the static spring piece 30 at the positions of the arc-shaped protrusions 50.

[0037] Further, a connecting part 101 is arranged on the side of the insulating spring piece 10 away from the assembly opening 60, and a positioning protrusion 102 is arranged in the inner part of the connecting part 101, wherein two positioning protrusions 102 are arranged, the two positioning protrusions 102 are arranged on the side surfaces of the connecting spring piece 20, and the positioning protrusions 102 are arranged away from the assembly opening 60.

[0038] The design of the positioning protrusions 102 and the connecting part 101 can ensure that the insulating spring piece 10 and the connecting spring piece 20 can be closely attached to each other when the insulating spring piece 10 and the connecting spring piece 20 are connected.

[0039] Further, the side of the electrostatic reed 30 away from the assembly opening 60 is provided with a diagonal plate 301, the diagonal plate 301 is located on the side of the connecting reed 20, the diagonal plate 301 and the connecting reed 20 are arranged in a "V" shape, wherein the diagonal plate 301 is located on the side of the embedded part 302, the embedded part 302 is opened in the inside of the electrostatic reed 30, and the embedded part 302 is located on the outside of the electrostatic contact 40.

[0040] Through the design of the diagonal plate 301, it is ensured that one side of the electrostatic reed 30 will not be attached to the connecting reed 20. At this time, the electrostatic reed 30 can be abutted on the side of the armature through the diagonal plate 301, and when power is turned off or turned on, the movement of the armature can drive the electrostatic reed 30 to move, realizing the power-off or power-on operation of the entire relay. The diagonal design of the embedded part 302 can increase the contact area and friction force with the electrostatic contact 40, ensuring that the assembly of the electrostatic contact 40 is more firm and stable.

[0041] Further, a straight heat dissipation part 303 is opened in the inside of the electrostatic reed 30, the straight heat dissipation part 303 penetrates the arc-shaped protrusion 50, and the straight heat dissipation part 303 and the arc-shaped protrusion 50 form a "cross" shape, wherein the straight heat dissipation part 303 is arranged between the assembly opening 60 and the embedded part 302.

[0042] Through the design of the straight heat dissipation part 303, the heat dissipation effect of the straight heat dissipation part 303 can be improved, thereby ensuring the service life and lifespan of the electrostatic reed 30 which mainly transmits current, and ensuring that the service lives of the insulating reed 10, the connecting reed 20 and the electrostatic reed 30 tend to be consistent.

[0043] Further, the embedded part 302 is assembled with an embedded body 3021, the embedded body 3021 is internally mounted with a connecting rod 3022, and the connecting rod 3022 penetrates the electrostatic contact 40, wherein the center part of the connecting rod 3022 is circularly arranged, the connecting rod 3022 is internally penetrated with a positioning pin 3023, the positioning pin 3023 extends into the inside of the electrostatic contact 40, and the positioning pin 3023 is threadedly connected with the electrostatic contact 40.

[0044] When the electrostatic contact 40 is assembled, the electrostatic contact 40 first penetrates the insulating reed 10, the connecting reed 20 and the electrostatic reed 30. Then the embedded body 3021 is installed into the inside of the embedded part 302, and the connecting rod 3022 in the embedded body 3021 is assembled to the inner bottom of the electrostatic contact 40. At this time, the positioning pin 3023 is inserted into the inside of the electrostatic contact 40, realizing the installation and fixation of the embedded body 3021 and the electrostatic contact 40.

[0045] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A relay static spring leaf assembly, characterized by, The application relates to an insulating spring piece (10), a connecting spring piece (20) and an electrostatic spring piece (30), the back of the insulating spring piece (10) is in contact with the connecting spring piece (20), the back of the connecting spring piece (20) is in contact with the electrostatic spring piece (30), and the insulating spring piece (10), the connecting spring piece (20) and the electrostatic spring piece (30) are internally provided with electrostatic contacts (40), The insulating spring piece (10), the connecting spring piece (20) and the electrostatic spring piece (30) are internally provided with arc-shaped protrusions (50), and a plurality of the arc-shaped protrusions (50) are arranged close to each other.

2. A relay static spring assembly according to claim 1, wherein: A plurality of assembly openings (60) are arranged in the insulating spring piece (10), the connecting spring piece (20) and the electrostatic spring piece (30), and the assembly openings (60) are arranged on the side of the arc-shaped protrusions (50), The arc-shaped protrusions (50) are internally provided with a plurality of heat dissipation openings (500).

3. A relay static spring assembly according to claim 2, wherein: The insulating spring piece (10) is provided with a connecting portion (101) on the side away from the assembly opening (60), and the connecting portion (101) is internally provided with a positioning protrusion (102), The positioning protrusion (102) is provided with two positioning protrusions (102), and the two positioning protrusions (102) are arranged on the side of the connecting spring piece (20) and away from the assembly opening (60).

4. A relay static spring assembly according to claim 2, wherein: The electrostatic spring piece (30) is provided with an inclined plate (301) on the side away from the assembly opening (60), the inclined plate (301) is arranged on the side of the connecting spring piece (20), and the inclined plate (301) and the connecting spring piece (20) are arranged in a "V" shape, The inclined plate (301) is arranged on the side of an embedding portion (302), the embedding portion (302) is arranged in the electrostatic spring piece (30), and the embedding portion (302) is arranged on the outside of the electrostatic contact (40).

5. A relay static spring assembly according to claim 4, wherein: The electrostatic spring piece (30) is internally provided with a straight heat dissipation portion (303), the straight heat dissipation portion (303) penetrates through the arc-shaped protrusion (50), and the straight heat dissipation portion (303) and the arc-shaped protrusion (50) form a "cross" shape, The straight heat dissipation portion (303) is arranged between the assembly opening (60) and the embedding portion (302).

6. A relay static spring assembly as defined in claim 4 wherein: The embedding portion (302) is internally provided with an embedding body (3021), the embedding body (3021) is internally provided with a connecting rod (3022), and the connecting rod (3022) penetrates through the electrostatic contact (40), The center of the connecting rod (3022) is circular, the connecting rod (3022) is internally provided with a positioning pin (3023), the positioning pin (3023) extends into the electrostatic contact (40), and the positioning pin (3023) and the electrostatic contact (40) are screw-connected.

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