RELAY

Abstract

The invention relates to a relay comprising a fixed-contact terminal pair, a movable contact assembly, a push rod assembly, and an anti-rotation mechanism. The movable contact assembly comprises a movable contact element, and the two ends of the movable contact element in the first orientation are adapted to either contact or be detached from the fixed-contact terminal pair. The first orientation is the orientation of the fixed-contact terminal pair. The push rod assembly is used to push the movable contact assembly so that the movable contact element contacts or is detached from the fixed-contact terminals. The anti-rotation mechanism is connected to the movable contact assembly and / or the push rod assembly and is used to limit the rotational movement of the movable contact assembly relative to the push rod assembly around the center axis of the push rod assembly.

Description

relay

[0001] This application claims priority to Chinese patent application No. 202311187759.0 filed on September 14, 2023, the entire contents of which are incorporated herein by reference. Technical Field

[0002] The present application relates to the technical field of electronic control devices, and in particular to a relay. Background Art

[0003] A relay is an electronic control device with a control circuit (also known as an input circuit) and a controlled system (also known as an output circuit). It is commonly used in automatic control circuits. A relay is essentially an "automatic switch" that uses a smaller current to control a larger one. Therefore, it plays a role in automatic regulation, safety protection, and circuit switching.

[0004] A high-voltage DC relay is a type of relay. The prior art high-voltage DC relay includes a pair of static contact leads, a dynamic assembly, a coil unit, and a magnetic circuit. The dynamic assembly includes a dynamic spring assembly, a push rod assembly, and an elastic assembly. The dynamic spring assembly is mounted on the push rod assembly via the elastic assembly. The magnetic circuit includes a static iron core and a dynamic iron core. The static iron core is fixed in the relay, and the dynamic iron core is connected to the push rod assembly. When the coil unit is energized, the static iron core generates a magnetic attraction force and attracts the dynamic iron core to move, thereby driving the push rod assembly and the dynamic spring assembly to move together to achieve contact closure.

[0005] However, during the operation of the relay, the movable spring assembly is prone to rotate around the axis of the push rod, causing the movable spring assembly to rub against the contact bracket of the push rod assembly, thereby generating a large amount of metal noise; further, with the friction loss between the movable spring assembly and the contact bracket, the deflection angle of the movable spring assembly will become larger and larger, thereby affecting the contact position of the movable spring assembly and the static contact lead end, causing unstable contact resistance; in addition, metal particles are easily generated after the movable spring assembly and the contact bracket rub against each other. After the metal particles fall on the contact surface of the contact, it is easy to cause the contact resistance to increase or even cause the relay to fail to conduct.

[0006] Summary of the Invention

[0007] The embodiment of the present application provides a relay to solve the problem in the prior art that the dynamic spring assembly is prone to rotation.

[0008] The relay of the embodiment of the present application includes:

[0009] A pair of static contact terminals;

[0010] A dynamic spring assembly, comprising a dynamic spring piece, wherein both ends of the dynamic spring piece along a first direction are used to contact or separate with a pair of static contact lead-out terminals, respectively; the first direction is the arrangement direction of the pair of static contact lead-out terminals;

[0011] a push rod assembly, used to push the movable spring assembly to move, so that the movable spring piece contacts or separates from the static contact lead-out terminal; and

[0012] The anti-rotation mechanism is connected to the dynamic spring assembly and / or the push rod assembly and is used to limit the dynamic spring assembly from rotating relative to the push rod assembly around the axis of the push rod assembly.

[0013] According to some embodiments of the present application, the dynamic spring assembly has a first side surface and a second side surface arranged opposite to each other along a third direction; wherein the movement direction of the dynamic spring piece is defined as the second direction, and the first direction, the second direction and the third direction are perpendicular to each other;

[0014] The push rod assembly includes a contact bracket; the contact bracket has a first side wall and a second side wall arranged opposite to each other along the third direction, the first side wall corresponds to the first side surface, and the second side wall corresponds to the second side surface;

[0015] The anti-rotation mechanism includes a first anti-rotation component and a second anti-rotation component; the first anti-rotation component is arranged on the first side wall and the first side surface, and is used to form a first anti-rotation force between the first side wall and the first side surface; the second anti-rotation component is arranged on the second side wall and the second side surface, and is used to form a second anti-rotation force between the second side wall and the second side surface.

[0016] According to some embodiments of the present application, the first anti-rotation component includes a first anti-rotation part, and the second anti-rotation component includes a second anti-rotation part. The first anti-rotation part is arranged between the first side wall and the first side surface, and the second anti-rotation part is arranged between the second side wall and the second side surface.

[0017] According to some embodiments of the present application, the first anti-rotation member and the second anti-rotation member are both sheet-like structures made of flexible material;

[0018] The first side wall has a first inner side surface facing the dynamic spring assembly, and the first anti-rotation component is attached to the first inner side surface or the first side surface; the second side wall has a second inner side surface facing the dynamic spring assembly, and the second anti-rotation component is attached to the second inner side surface or the second side surface.

[0019] According to some embodiments of the present application, both the first anti-rotation component and the second anti-rotation component are spring sheets;

[0020] The first anti-rotation member is squeezed between the first side wall and the first side surface of the dynamic spring assembly, and is used to provide a first elastic force to the dynamic spring assembly; the second anti-rotation member is squeezed between the second side wall and the second side surface of the dynamic spring assembly, and is used to provide a second elastic force to the dynamic spring assembly;

[0021] The first elastic force is the first anti-rotation force, and the second elastic force is the second anti-rotation force; the first elastic force and the second elastic force are in opposite directions.

[0022] According to some embodiments of the present application, the first anti-rotation component and the second anti-rotation component each include a connecting portion and a spring portion;

[0023] The two connecting parts are respectively connected to the first side wall and the second side wall, and the two elastic parts respectively extend from the two connecting parts in a direction away from the static contact lead-out end; the two elastic parts are used to respectively provide the first elastic force and the second elastic force to the dynamic spring assembly.

[0024] According to some embodiments of the present application, the connecting portion of the first anti-rotation component is riveted to the first inner side surface of the first side wall facing the dynamic spring assembly, and the connecting portion of the second anti-rotation component is riveted to the second inner side surface of the second side wall facing the dynamic spring assembly.

[0025] According to some embodiments of the present application, the first side wall is provided with a first opening, and the second side wall is provided with a second opening;

[0026] The connecting portion includes hooks, and two hooks are respectively hung on the lower edge of the first opening and the lower edge of the second opening.

[0027] According to some embodiments of the present application, the first side wall is provided with a first opening, and the second side wall is provided with a second opening;

[0028] Each of the connecting parts includes a clamping structure, and the clamping structures of the two connecting parts are clamped in the first opening and the second opening respectively.

[0029] According to some embodiments of the present application, the first side wall is further provided with a first connection hole, and the second side wall is further provided with a second connection hole;

[0030] Each of the connecting parts further includes a convex bump, and the convex bumps of the two connecting parts extend into the first connecting hole and the second connecting hole respectively, and are interference-fitted with the first connecting hole and the second connecting hole respectively.

[0031] According to some embodiments of the present application, both the first side wall and the second side wall are provided with protruding claws;

[0032] Each of the connecting parts includes a collar, and the collars of the two connecting parts are respectively sleeved on the outer periphery of the protruding claw of the first side wall and the outer periphery of the protruding claw of the second side wall.

[0033] According to some embodiments of the present application, the anti-rotation mechanism further includes a transition piece;

[0034] One end of the first anti-rotation component and one end of the second anti-rotation component are respectively integrally connected to two ends of the transition component along the third direction.

[0035] According to some embodiments of the present application, the transition piece has a central hole;

[0036] The relay further comprises an elastic component connected to the dynamic spring component and the push rod component; the elastic component is used to provide contact pressure to the dynamic spring component;

[0037] The elastic component is passed through the central hole.

[0038] According to some embodiments of the present application, the anti-rotation mechanism further includes a transition piece;

[0039] One end of the first anti-rotation member and one end of the second anti-rotation member are integrally connected to two ends of the transition member along the third direction respectively;

[0040] The transition piece is fixedly connected to the dynamic spring assembly.

[0041] According to some embodiments of the present application, the movable spring assembly further includes a second magnetic conductor, which is fixedly connected to a side of the movable spring piece facing away from the static contact lead-out end;

[0042] The transition piece is fixedly connected to the second magnetic conductor.

[0043] According to some embodiments of the present application, the anti-rotation mechanism further includes a transition piece;

[0044] One end of the first anti-rotation member and one end of the second anti-rotation member are integrally connected to two ends of the transition member along the third direction respectively;

[0045] The push rod assembly further includes a stop wall, wherein two ends of the stop wall along the third direction are respectively connected to the first side wall and the second side wall;

[0046] The transition piece is fixedly connected to the stop wall.

[0047] According to some embodiments of the present application, the relay further includes a first magnetic conductor, which is provided on a side of the movable spring assembly facing the static contact lead-out end;

[0048] The transition piece is arranged between the stop wall and the first magnetic conductor, and is fixedly connected to the stop wall and the first magnetic conductor.

[0049] According to some embodiments of the present application, the first anti-rotation component is integrally connected to the first side wall, and the second anti-rotation component is integrally connected to the second side wall.

[0050] According to some embodiments of the present application, during the entire movement of the push rod assembly, the first anti-rotation member always abuts between the first side wall and the first side surface, and the second anti-rotation member always abuts between the second side wall and the second side surface.

[0051] According to some embodiments of the present application, the first anti-rotation component includes a first magnet connected to the first side surface and a second magnet connected to the first side wall, wherein the facing poles of the first magnet and the second magnet are identical poles, so that a first repulsive force is formed between the first magnet and the second magnet, and the first repulsive force is the first anti-rotation force;

[0052] The second anti-rotation component includes a third magnet connected to the second side surface and a fourth magnet connected to the second side wall, wherein the magnetic poles facing each other of the third magnet and the fourth magnet are the same magnetic poles, so that a second repulsive force is formed between the third magnet and the fourth magnet, and the second repulsive force is the second anti-rotation force.

[0053] According to some embodiments of the present application, the first side wall has a first inner side surface facing the dynamic spring assembly and a first outer side surface disposed opposite to the first inner side surface; the second magnet is connected to the first inner side surface or the first outer side surface;

[0054] The second side wall has a second inner side surface facing the dynamic spring assembly and a second outer side surface disposed opposite to the second inner side surface; the fourth magnet is connected to the second inner side surface or the second outer side surface.

[0055] According to some embodiments of the present application, the first magnet, the second magnet, the third magnet and the fourth magnet are permanent magnets.

[0056] According to some embodiments of the present application, the anti-rotation mechanism is a limit assembly, which is connected to the dynamic spring assembly and the push rod assembly, and is used to limit the dynamic spring assembly from rotating relative to the push rod assembly around the axis of the push rod assembly, and the limit assembly can be deformed to accommodate overtravel;

[0057] The relay further includes an elastic component, which is used to provide contact pressure.

[0058] According to some embodiments of the present application, the elastic component is a first elastic reed;

[0059] The first elastic spring is connected to one of the push rod assembly and the dynamic spring assembly, and abuts against the other of the push rod assembly and the dynamic spring assembly.

[0060] According to some embodiments of the present application, the first elastic spring includes a first base and a spring arm, the first base is connected to the push rod assembly via a first anti-rotation structure, and at least one spring arm is provided at both ends of the first base along the first direction;

[0061] The spring arms at two ends of the first base along the first direction respectively abut against two ends of the movable spring piece along the first direction.

[0062] According to some embodiments of the present application, the first anti-rotation structure includes:

[0063] at least two first limiting protrusions, provided on one of the push rod assembly and the first base; and

[0064] At least two first limiting holes are provided on the other of the pushing rod assembly and the first base; wherein, at least two first limiting protrusions are respectively inserted into the at least two first limiting holes.

[0065] According to some embodiments of the present application, the limiting assembly is a second elastic spring, which is connected to one of the elastic assembly and the dynamic spring assembly through a second anti-rotation structure, and is connected to the other of the elastic assembly and the dynamic spring assembly through a third anti-rotation structure.

[0066] According to some embodiments of the present application, the second anti-rotation structure includes:

[0067] at least two second limiting protrusions, provided on one of the elastic component and the second elastic spring;

[0068] At least two second limiting holes are provided on the other of the elastic component and the second elastic spring; wherein, at least two second limiting protrusions are respectively inserted into the at least two second limiting holes.

[0069] According to some embodiments of the present application, the elastic component is connected to the push rod component via a first anti-rotation structure; the first anti-rotation structure includes at least two first limiting protrusions and at least two first limiting holes, the first limiting protrusions being provided on the push rod component, the first limiting holes being provided on the elastic component, and the at least two first limiting protrusions being respectively inserted into the at least two first limiting holes;

[0070] Each of the second limiting protrusions is a convex ring, and one of the convex rings surrounds one of the first limiting holes; the inner annular surface of the convex ring is flush with the hole wall of the first limiting hole.

[0071] According to some embodiments of the present application, the second elastic reed includes a second base portion, a first deformation portion, and a first connecting portion;

[0072] The second base is connected to one of the elastic component and the dynamic spring component through the second anti-rotation structure, the first deformation portion and the first connecting portion are provided on both sides of the second base along the first direction, and the second base is connected to the first connecting portion through the first deformation portion; the first connecting portion is connected to the other of the elastic component and the dynamic spring component through the third anti-rotation structure.

[0073] According to some embodiments of the present application, along the first direction, the first connecting portion on one side of the second base forms a first connection with the dynamic spring assembly, and the first connecting portion on the other side of the second base forms a second connection with the dynamic spring assembly, a first distance is defined between the first connection and the second connection, and a second distance is defined between the first deformable portions on both sides of the second base, wherein the first distance is smaller than the second distance.

[0074] The second distance is the maximum distance between the first deformation parts on both sides of the second base.

[0075] According to some embodiments of the present application, the third anti-rotation structure includes:

[0076] at least two third limiting protrusions, provided on one of the second elastic spring and the dynamic spring assembly; and

[0077] At least two limiting holes are provided on the second elastic spring piece and the other one of the dynamic spring assembly; and at least two third limiting protrusions are respectively inserted into the at least two limiting holes.

[0078] According to some embodiments of the present application, the relay further includes a first magnetic conductor; the first magnetic conductor is provided on a side of the movable spring assembly facing the static contact lead-out end;

[0079] The movable spring assembly further includes a second magnetic conductor, which is fixedly connected to a side of the movable spring piece facing away from the static contact lead-out end; the second magnetic conductor is used to form a magnetic circuit with the first magnetic conductor;

[0080] The limiting component is a second elastic spring, and the second elastic spring includes a second base, a first deformation portion and a first connecting portion;

[0081] The first deformable portion and the first connecting portion are provided on both sides of the second base along the first direction, and the second base is connected to the first connecting portion via the first deformable portion; the second base is connected to the elastic component;

[0082] The first connection parts on both sides of the second base are respectively inserted between the second magnetic conductor and the movable spring piece by the second magnetic conductor along both sides of the first direction, and are fixedly connected to the movable spring piece and the second magnetic conductor.

[0083] According to some embodiments of the present application, the elastic component is a first elastic spring, the limiting component is a second elastic spring, and the thickness of the second elastic spring is smaller than the thickness of the first elastic spring.

[0084] According to some embodiments of the present application, the elastic component is a compression spring, and the compression spring is used to provide contact pressure.

[0085] According to some embodiments of the present application, one end of the compression spring abuts against the limiting assembly, and the other end of the compression spring abuts against the dynamic spring assembly or the push rod assembly.

[0086] According to some embodiments of the present application, the limiting component is a second elastic spring;

[0087] The second elastic spring comprises a second base, a first deforming portion, and a first connecting portion; the second base is connected to the push rod assembly, the first deforming portion and the first connecting portion are provided on both sides of the second base along the first direction, and the second base is connected to the connecting portion via the first deforming portion; the connecting portion is connected to the dynamic spring assembly;

[0088] The second elastic spring and the dynamic spring assembly form a chamber, the compression spring is accommodated in the chamber, one end of the compression spring abuts against the second base, and the other end of the compression spring abuts against the dynamic spring assembly.

[0089] According to some embodiments of the present application, the elastic component is connected to the push rod component in a limiting connection along the first direction; and / or, the limiting component is connected to the dynamic spring component in a limiting connection along the first direction; and / or, the limiting component is connected to the elastic component in a limiting connection along the first direction.

[0090] According to some embodiments of the present application, the anti-rotation mechanism is an elastic component, which is connected to the push rod assembly through a first anti-rotation structure and to the dynamic spring assembly through a second anti-rotation structure. The elastic component is used to provide contact pressure and to limit the rotation of the dynamic spring assembly relative to the push rod assembly around the axis of the push rod assembly.

[0091] According to some embodiments of the present application, the elastic component is a third elastic spring, and the third elastic spring includes a third base portion, a second connecting portion, and a second deformation portion;

[0092] The second connecting portion and the second deforming portion are provided on both sides of the third base along the first direction, the third base is connected to the second connecting portion via the second deforming portion, and the third base is connected to the push rod assembly via the first anti-rotation structure;

[0093] The second connecting portion of the third elastic spring is connected to the dynamic spring assembly via the second anti-rotation structure; wherein the second deformable portion is used to generate deformation to provide contact pressure.

[0094] According to some embodiments of the present application, along the first direction, the second connection portion on one side of the third base portion forms a third connection with the dynamic spring assembly, and the second connection portion on the other side of the third base portion forms a fourth connection with the dynamic spring assembly. A third distance is defined between the third connection and the fourth connection. A fourth distance is defined between the second deformable portions on both sides of the third base portion, and the third distance is smaller than the fourth distance.

[0095] The fourth distance is the maximum distance between the second deformation parts on both sides of the third base.

[0096] According to some embodiments of the present application, the first anti-rotation structure includes:

[0097] at least two first limiting holes, provided on one of the elastic component and the push rod component; and

[0098] At least two first limiting protrusions are provided on the pushing rod assembly and the other of the elastic assembly; at least two first limiting protrusions are inserted into at least two first limiting holes.

[0099] According to some embodiments of the present application, the elastic component is a third elastic spring, and the third elastic spring is provided with at least two of the first limiting holes;

[0100] At least two convex rings are provided on a side surface of the third elastic spring sheet facing the dynamic spring assembly. The at least two convex rings respectively surround at least two first limiting holes, and the inner annular surfaces of the convex rings are flush with the hole walls of the first limiting holes.

[0101] According to some embodiments of the present application, the second anti-rotation structure includes:

[0102] at least two second limiting holes, provided on one of the elastic component and the dynamic spring component; and

[0103] At least two second limiting protrusions are provided on the other of the dynamic spring assembly and the elastic assembly; and at least two second limiting protrusions are inserted into at least two second limiting holes.

[0104] According to some embodiments of the present application, each of the second limiting holes is elliptical in shape, and the major axis of the ellipse is parallel to the first direction.

[0105] According to some embodiments of the present application, the elastic component is connected to the dynamic spring component in a limit position in the first direction; and / or the elastic component is connected to the push rod component in a limit position in the first direction.

[0106] According to some embodiments of the present application, the relay further includes a first magnetic conductor, which is arranged on a side of the movable reed facing the static contact lead-out end.

[0107] According to some embodiments of the present application, the dynamic spring assembly further includes a second magnetic conductor, which is fixedly connected to the side of the dynamic spring piece facing away from the static contact lead-out end; the second magnetic conductor is used to form a magnetic circuit with the first magnetic conductor.

[0108] According to some embodiments of the present application, the push rod assembly includes:

[0109] Push rod; and

[0110] The contact support is connected to one axial end of the push rod.

[0111] According to some embodiments of the present application, the relay is a direct-acting relay.

[0112] According to some embodiments of the present application, the relay further includes a contact container;

[0113] A pair of static contact lead-out terminals are arranged in the contact container, and the dynamic spring assembly is arranged in the contact container.

[0114] According to some embodiments of the present application, the contact container comprises:

[0115] yoke iron plate; and

[0116] An insulating cover is provided on one side surface of the yoke iron plate facing the static contact lead-out end; a pair of the static contact lead-out ends are provided on the insulating cover, and the movable spring assembly is provided in a cavity surrounded by the insulating cover and the yoke iron plate.

[0117] According to some embodiments of the present application, the insulating cover includes a ceramic cover and a frame piece, and the ceramic cover is connected to the yoke iron plate through the frame piece;

[0118] A pair of static contact lead-out terminals are provided on the ceramic cover.

[0119] One embodiment of the above application has at least the following advantages or beneficial effects:

[0120] In the relay of the embodiment of the present application, the anti-rotation mechanism is connected to the dynamic spring assembly and / or the push rod assembly. The anti-rotation mechanism can limit the rotation of the dynamic spring assembly relative to the push rod assembly around the axis of the push rod assembly, thereby avoiding the contact and friction between the dynamic spring assembly and the push rod assembly to generate metal noise, significantly reducing the risk of friction between the dynamic spring assembly and the push rod assembly to generate metal particles, ensuring the reliability of the relay product, and further reducing the amplitude of rotation of the dynamic spring assembly relative to the push rod assembly around the axis of the push rod assembly, further ensuring the consistency of the contact position of the dynamic spring assembly and the static contact lead-out terminal, and ensuring the stability of the contact resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0121] The above and other features and advantages of the present disclosure will become more apparent by describing in detail example embodiments thereof with reference to the accompanying drawings.

[0122] FIG1 is an exploded schematic diagram showing a relay according to an exemplary embodiment.

[0123] FIG. 2 is a schematic top view of a sealing unit according to an exemplary embodiment.

[0124] FIG3 is a cross-sectional view taken along line AA in FIG2 , wherein the movable spring assembly is not in contact with the static contact lead-out terminal.

[0125] FIG4 is a cross-sectional view taken along the BB section line in FIG2 , wherein the movable spring assembly is not in contact with the static contact lead-out terminal.

[0126] FIG5 is a cross-sectional view taken along line AA in FIG2 , wherein the movable spring assembly is in contact with the static contact lead-out terminal.

[0127] FIG6 is a cross-sectional view taken along line BB in FIG2 , wherein the movable spring assembly is in contact with the static contact lead-out terminal.

[0128] FIG. 7 is a schematic side view of a moving assembly according to the first exemplary embodiment.

[0129] FIG8 is a cross-sectional view taken along the CC cutting line in FIG7 .

[0130] FIG9 is a schematic side view of a moving assembly according to a second exemplary embodiment.

[0131] FIG10 is a cross-sectional view taken along the DD section line in FIG9 .

[0132] FIG11 is a schematic side view of a moving assembly according to a third exemplary embodiment.

[0133] FIG12 is a cross-sectional view taken along line EE in FIG11 .

[0134] FIG13 is a perspective schematic diagram of the first anti-rotation component in FIG11 .

[0135] FIG14 is a partial enlarged view of point X1 in FIG12 .

[0136] FIG15 is a schematic side view of a moving assembly according to a fourth exemplary embodiment.

[0137] FIG16 is a cross-sectional view taken along the FF section line in FIG15 .

[0138] FIG17 is a perspective schematic diagram of the anti-rotation mechanism in FIG15 .

[0139] 18 and 19 are schematic perspective views of two other examples of anti-rotation mechanisms of the moving assembly of the fourth exemplary embodiment.

[0140] FIG20 is a schematic side view of a moving assembly according to a fifth exemplary embodiment.

[0141] FIG21 is a cross-sectional view taken along the GG section line in FIG20 .

[0142] FIG22 is a perspective schematic diagram of the anti-rotation mechanism in FIG20 .

[0143] 23 and 24 are schematic perspective views of two other examples of anti-rotation mechanisms of the moving assembly of the fifth exemplary embodiment.

[0144] FIG25 is a schematic side view of a moving assembly according to a sixth exemplary embodiment.

[0145] FIG26 is a cross-sectional view taken along the HH section line in FIG25 .

[0146] FIG27 is a perspective schematic diagram of the anti-rotation mechanism in FIG25 .

[0147] FIG28 is a partial enlarged view of point X2 in FIG26 .

[0148] FIG. 29 is a perspective schematic diagram of an anti-rotation mechanism of another example of a moving assembly according to the sixth exemplary embodiment.

[0149] FIG30 is a schematic side view of a moving assembly according to a seventh exemplary embodiment.

[0150] FIG31 is a perspective schematic diagram of a moving assembly according to a seventh exemplary embodiment.

[0151] FIG32 is a perspective schematic diagram of the anti-rotation mechanism in FIG30 .

[0152] FIG33 is a schematic side view of a moving assembly according to an eighth exemplary embodiment.

[0153] FIG34 is a cross-sectional view taken along the II cutting line in FIG33 .

[0154] FIG35 is a perspective schematic diagram of the anti-rotation mechanism in FIG33 .

[0155] FIG36 is a schematic side view of a moving assembly according to a ninth exemplary embodiment.

[0156] FIG37 is a cross-sectional view taken along the JJ section line in FIG36 .

[0157] FIG38 is a perspective schematic diagram of the anti-rotation mechanism in FIG36 .

[0158] FIG39 is a schematic side view of a moving assembly according to a tenth exemplary embodiment.

[0159] FIG40 is a cross-sectional view taken along the KK cutting line in FIG39.

[0160] FIG41 is a perspective schematic diagram of the anti-rotation mechanism in FIG39.

[0161] FIG42 is a perspective schematic diagram showing an integral connection between a contact support and an anti-rotation mechanism in a dynamic assembly according to the eleventh exemplary embodiment.

[0162] FIG43 is a perspective schematic diagram showing an integral connection between a contact support and an anti-rotation mechanism in a dynamic assembly according to a twelfth exemplary embodiment.

[0163] FIG44 is a cross-sectional view of a moving assembly according to a thirteenth exemplary embodiment.

[0164] FIG45 is a cross-sectional view of a moving assembly according to a fourteenth exemplary embodiment.

[0165] FIG46 is a cross-sectional view of a moving assembly according to a fifteenth exemplary embodiment.

[0166] FIG47 is a cross-sectional view of a moving assembly according to a sixteenth exemplary embodiment.

[0167] FIG48 is a schematic structural diagram of a moving assembly and a second magnetic conductor according to a seventeenth exemplary embodiment.

[0168] FIG49 is a schematic diagram of an exploded view of FIG48 .

[0169] FIG50 is a schematic structural diagram of FIG48 with the contact support omitted, wherein the movable spring has not yet contacted the static contact lead-out terminal.

[0170] FIG51 is a schematic structural diagram of the first elastic spring in FIG48.

[0171] FIG52 is a schematic structural diagram of the second elastic spring in FIG48.

[0172] FIG53 is a cross-sectional view taken along the LL section line in FIG48.

[0173] Figure 54 is a partial enlarged view of point X3 in Figure 53.

[0174] FIG55 is a schematic structural diagram of a moving assembly and two second magnetic conductors according to an eighteenth exemplary embodiment, wherein the moving assembly omits the contact holder.

[0175] FIG. 56 is an exploded schematic diagram showing a moving assembly and two second magnetic conductors according to the eighteenth exemplary embodiment.

[0176] FIG57 is a schematic structural diagram of a moving assembly and two second magnetic conductors according to a nineteenth exemplary embodiment, wherein the moving assembly omits the contact holder.

[0177] FIG58 is a cross-sectional view of FIG57.

[0178] FIG. 59 is an exploded schematic diagram showing a moving assembly and two second magnetic conductors according to the twentieth exemplary embodiment.

[0179] FIG60 is an exploded schematic diagram showing a moving assembly and two second magnetic conductors according to a twenty-first exemplary embodiment.

[0180] FIG61 is a schematic structural diagram of a moving assembly and two second magnetic conductors according to a twenty-second exemplary embodiment, wherein the moving assembly omits the contact holder.

[0181] FIG62 is a schematic diagram of the structure of FIG48 in which the contact bracket is omitted, wherein the movable spring has been in contact with the static contact lead-out terminal.

[0182] FIG63 is a schematic structural diagram of a moving assembly and a second magnetic conductor according to a twenty-third exemplary embodiment.

[0183] FIG64 is a schematic diagram of the structure in which the contact bracket is omitted in FIG63 , in which the movable spring has not yet made contact with the static contact lead-out terminal.

[0184] FIG65 is a schematic structural diagram of a third elastic spring according to an exemplary embodiment.

[0185] Figure 66 is a schematic diagram of the decomposition of Figure 63.

[0186] Figure 67 is a cross-sectional view along the MM cutting line in Figure 63.

[0187] Figure 68 is a partial enlarged view of point X4 in Figure 67.

[0188] FIG69 is an exploded schematic diagram showing a moving assembly and a second magnetic conductor according to a twenty-fourth exemplary embodiment.

[0189] FIG70 is a schematic structural diagram of a moving assembly and a second magnetic conductor according to a twenty-fourth exemplary embodiment, in which the contact support is omitted.

[0190] FIG71 is an exploded schematic diagram of a moving assembly and a second magnetic conductor according to a twenty-fifth exemplary embodiment.

[0191] FIG72 is an exploded schematic diagram of a moving assembly and a second magnetic conductor according to a twenty-sixth exemplary embodiment.

[0192] FIG73 is a schematic diagram of the structure in which the contact bracket is omitted in FIG63, wherein the movable spring has been in contact with the static contact lead-out terminal.

[0193] Figure 74 is a cross-sectional view along the NN cutting line in Figure 73, in which the moving and static contacts are not in contact.

[0194] Figure 75 is a cross-sectional view along the NN cutting line in Figure 73, in which the moving and static contacts are in contact. DETAILED DESCRIPTION

[0195] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concepts of the example embodiments to those skilled in the art. Like reference numerals in the figures represent like or similar structures, and thus their detailed description will be omitted.

[0196] As shown in FIG1 , the relay 1 according to the embodiment of the present application includes a housing 10, a coil unit 20, an arc extinguishing unit 30, and a sealing unit 40. The sealing unit 40 is disposed within the housing 10, and the top of the static contact lead-out terminal of the sealing unit 40 is exposed to the outer surface of the housing 10 through an exposure hole 11 a in the housing 10. The coil unit 20 and the arc extinguishing unit 30 are both disposed within the housing 10.

[0197] It is understood that the terms "including" and "having" and any variations thereof in the embodiments of the present application are intended to cover non-exclusive inclusions. For example, a process, method, system, product, or apparatus comprising a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or components inherent to the process, method, product, or apparatus.

[0198] As an example, the housing 10 includes a first shell 11 and a second shell 12, which are connected to form a chamber for accommodating the coil unit 20, the arc extinguishing unit 30, and the sealing unit 40. In the embodiment of the present application, the exposure hole 11a is provided in the first shell 11.

[0199] The arc extinguishing unit 30 is used to extinguish the arc generated between the static contact lead-out terminal of the sealing unit 40 and the movable reed.

[0200] As an example, the arc extinguishing unit 30 includes two arc extinguishing magnets 31. The arc extinguishing magnets 31 can be permanent magnets, and each arc extinguishing magnet 31 can be substantially rectangular. The two arc extinguishing magnets 31 are respectively disposed on either side of the sealing unit 40 and are arranged opposite each other along the length direction of the movable spring.

[0201] By providing two arc-extinguishing magnets 31 disposed opposite to each other, a magnetic field can be formed around the static contact lead-out terminal and the movable spring. Therefore, the arc generated between the static contact lead-out terminal and the movable spring will be stretched away from each other by the action of the magnetic field, thereby achieving arc extinguishing.

[0202] The arc extinguishing unit 30 also includes two yoke clamps 32, which are arranged corresponding to the positions of the two arc extinguishing magnets 31. In addition, the two yoke clamps 32 surround the sealing unit 40 and the two arc extinguishing magnets 31. The design of the yoke clamps 32 surrounding the arc extinguishing magnets 31 can prevent the magnetic field generated by the arc extinguishing magnets 31 from spreading outward and affecting the arc extinguishing effect. The yoke clamps 32 are made of soft magnetic material. Soft magnetic materials may include but are not limited to iron, cobalt, nickel, and alloys thereof.

[0203] In one embodiment, the relay of the embodiment of the present application is a direct-acting relay.

[0204] As shown in FIG. 2 to FIG. 6 , the sealing unit 40 includes a contact container 1000 , a pair of static contact lead terminals 2000 , a moving assembly 3000 , and a magnetic circuit portion 4000 .

[0205] It should be noted that the contact container 1000 is a stationary component, which is used to accommodate the contact group and is mainly a housing and has a cavity. In addition, the contact container 1000 can be formed by connecting multiple components in a predetermined assembly method.

[0206] The contact container 1000 has a contact chamber 1001 therein. The contact container 1000 may include an insulating cover 1100 and a yoke plate 1200 . The insulating cover 1100 is disposed on a surface of the yoke plate 1200 facing the static contact lead-out terminal 2000 . The insulating cover 1100 and the yoke plate 1200 together enclose the contact chamber 1001 .

[0207] The insulating cover 1100 includes a ceramic cover 1110 and a frame piece 1120. The ceramic cover 1110 is connected to the yoke iron plate 1200 via the frame piece 1120. The frame piece 1120 can be a metal piece with an annular structure, such as an iron-nickel alloy, and one end of the frame piece 1120 is connected to the opening edge of the ceramic cover 1110, for example, by laser welding, brazing, resistance welding, gluing, etc. The other end of the frame piece 1120 is connected to the yoke iron plate 1200, also by laser welding, brazing, resistance welding, gluing, etc. A frame piece 1120 is provided between the ceramic cover 1110 and the yoke iron plate 1200 to facilitate the connection between the ceramic cover 1110 and the yoke iron plate 1200.

[0208] The contact container 1000 further has a pair of first through holes 1002 , which are connected to the contact chamber 1001 . The first through holes 1002 are used to allow the static contact lead terminals 2000 to pass through. In the embodiment of the present application, the first through holes 1002 are formed on the ceramic cover 1110 .

[0209] A pair of static contact lead-out terminals 2000 are connected to the ceramic cover 1110 of the contact container 1000, and at least a portion of each static contact lead-out terminal 2000 is located in the contact chamber 1001. One of the pair of static contact lead-out terminals 2000 serves as a terminal for current inflow, and the other serves as a terminal for current outflow.

[0210] A pair of static contact lead-out terminals 2000 are respectively disposed in the pair of first through holes 1002 and connected to the ceramic cover 1110 , for example, by welding.

[0211] The bottom of the static contact lead-out terminal 2000 serves as a static contact, and the static contact can be provided at the bottom of the static contact lead-out terminal 2000 in an integrated or split manner.

[0212] Continuing with Figures 3 to 6 , the dynamic assembly 3000 includes a dynamic spring assembly 3100, a push rod assembly 3200, and an elastic assembly 3300. The dynamic spring assembly 3100 is disposed within the insulating cover 1100 and is mounted on the push rod assembly 3200 via the elastic assembly 3300. The two ends of the dynamic spring assembly 3100 along the first direction D1 are used to respectively contact or separate from the pair of static contact lead terminals 2000. The first direction D1 is the arrangement direction of the pair of static contact lead terminals 2000. The direction of movement of the dynamic spring piece 3110 is defined as the second direction D2, and the direction perpendicular to the first direction D1 and the second direction D2 is defined as the third direction D3.

[0213] It should be noted that, if a pair of static contact lead terminals 2000 and a movable spring assembly 3100 are regarded as a set of combinations, then the relay of the embodiment of the present application may include multiple sets of combinations.

[0214] The dynamic spring assembly 3100 may include a dynamic spring piece 3110 , and two ends of the dynamic spring piece 3110 along the first direction D1 are used to respectively contact or separate with a pair of static contact lead-out terminals 2000 .

[0215] It is understood that there may be one or more movable springs 3110. When there are multiple movable springs 3110, the multiple movable springs 3110 are arranged side by side along the third direction, and the multiple movable springs 3110 form multiple contact points with each static contact terminal 2000, such as two, three, or four.

[0216] Each movable spring piece 3110 may include a movable spring body and movable contacts disposed at both ends of the movable spring body. The movable contacts may be separate parts connected to the movable spring body. Of course, the movable contacts may also be integrally formed on the movable spring body.

[0217] In the embodiment of the present application, the dynamic spring assembly 3100 includes two dynamic spring pieces 3110 arranged side by side. One end of each dynamic spring piece 3110 is used to contact or separate with the static contact of one of the static contact lead-out terminals 2000, and the other end of each dynamic spring piece 3110 is used to contact or separate with the static contact of the other static contact lead-out terminal 2000. Specifically, one end of each dynamic spring piece 3110 forms two contact points with one of the static contact lead-out terminals 2000, and the other end of each dynamic spring piece 3110 forms two contact points with the other static contact lead-out terminal 2000.

[0218] In other embodiments, the number of the movable reed pieces 3110 can also be one, three, four, five, etc.

[0219] It is understood that the dynamic spring assembly 3100 includes multiple dynamic springs 3110, each of which contacts or separates from a pair of static contact leads 2000 at its ends along the first direction D1. Because the multiple dynamic springs 3110 do not restrict each other, the ends of the multiple dynamic springs 3110 contact a pair of static contact leads 2000 to form a reliable parallel circuit. The number of contacts formed by the multiple dynamic springs 3110 and a single static contact lead 2000 is greater than or equal to two, achieving a current shunting effect. Furthermore, based on the principle that the magnitude of the electromotive repulsive force is proportional to the square of the current, the magnitude of the electromotive repulsive force at each contact point is significantly reduced, which helps improve the short-circuit resistance and enhances the reliability of the relay.

[0220] Furthermore, the movable spring assembly 3100 may further include a second magnetic conductor 6200, which is fixedly connected to the side of the movable spring piece 3110 facing away from the static contact lead-out terminal 2000. The function of the second magnetic conductor 6200 will be described below.

[0221] The number of movable spring pieces 3110 and second magnetic conductors 6200 included in the movable spring assembly 3100 corresponds to the number of movable spring pieces 3110. Specifically, when there is one movable spring piece 3110, there is also one second magnetic conductor 6200; when there are multiple movable spring pieces 3110 (including two), there are also multiple second magnetic conductors 6200. The multiple second magnetic conductors 6200 are fixedly connected to the sides of the movable spring pieces 3110 facing away from the static contact lead-out terminal 2000 in a one-to-one correspondence.

[0222] Of course, in other embodiments, when the number of the movable spring piece 3110 is one, the number of the second magnet 6200 can also be multiple. For example, at least one opening is provided in the middle of the movable spring piece 3110, and two adjacent second magnets 6200 among the multiple second magnets 6200 are inserted into one opening.

[0223] As shown in Figures 3 to 6, the push rod assembly 3200 includes a push rod 3210, a contact support 3220, and a stop wall 3230. The push rod 3210 includes a base 3211 and a rod portion 3212. The base 3211 is connected to one axial end of the rod portion 3212. The contact support 3220 includes a bottom wall 3221, a first side wall 3222a, and a second side wall 3222b. The first and second side walls 3222a and 3222b are arranged opposite each other along a third direction D3. One end of the first and second side walls 3222a and 3222b is integrally connected to the two sides of the bottom wall 3221 in the third direction D3, while the other ends of the first and second side walls 3222a and 3222b are connected to the stop wall 3230. The stop wall 3230 is located on the side of the movable spring assembly 3100 facing the static contact lead terminal 2000. The dynamic spring assembly 3100 is installed in the space enclosed by the contact bracket 3220 and the base 3211 through the elastic assembly 3300 .

[0224] The first side wall 3222a has a first opening 3228, and the second side wall 3222b has a second opening 3229. Both ends of the stop wall 3230 along the width direction of the dynamic spring assembly 3100 are respectively inserted into the first opening 3228 and the second opening 3229.

[0225] The contact support 3220 , the rod 3212 and the base 3211 are connected by injection molding, and the base 3211 covers the bottom wall 3221 and one end of the first side wall 3222 a and one end of the second side wall 3222 b .

[0226] In another embodiment, both ends of the stopping wall 3230 may be integrally connected to the first side wall 3222a and the second side wall 3222b respectively.

[0227] The elastic component 3300 is disposed between the dynamic spring component 3100 and the base 3211 and is used to apply an elastic force to the dynamic spring component 3100 to move toward the stop wall 3230 to provide contact pressure.

[0228] It can be understood that the elastic component 3300 can be used to flexibly support the dynamic spring component 3100 to provide contact pressure.

[0229] Continuing with Figures 3 to 6 , the yoke plate 1200 has a second through-hole 1210 extending through two opposing sides of the yoke plate 1200 along its thickness. The second through-hole 1210 communicates with the contact chamber 1001 of the contact container 1000. A rod 3212 is axially movably disposed through the second through-hole 1210. A base 3211 at one axial end of the rod 3212 is disposed within the contact chamber 1001.

[0230] The sealing unit 40 further includes a metal cover 5000, which is connected to the side of the yoke plate 1200 facing away from the insulating cover 1100 and covers the second through hole 1210 in the yoke plate 1200. The metal cover 5000 and the yoke plate 1200 enclose a chamber for accommodating the static iron core 4300 and the movable iron core 4400 of the magnetic circuit portion 4000.

[0231] Referring back to FIG1 , the coil unit 20 includes a coil frame 21 and a coil 22 . The coil frame 21 is hollow and cylindrical and is made of insulating material. The metal cover 5000 is inserted into the coil frame 21 . The coil 22 surrounds the coil frame 21 .

[0232] As shown in Figures 3 to 6, the magnetic circuit part 4000 includes a static iron core 4300, a moving iron core 4400 and a reset member 4500. The static iron core 4300 is fixedly arranged in the metal cover 5000, and part of the static iron core 4300 extends into the second through hole 1210. The static iron core 4300 has a through hole 4310, and the through hole 4310 is arranged corresponding to the position of the second through hole 1210, for the rod portion 3212 to pass through it. The moving iron core 4400 is movably arranged in the metal cover 5000, and is arranged opposite to the static iron core 4300 along the axial direction of the rod portion 3212. The moving iron core 4400 is connected to the rod portion 3212, and is used to be attracted by the static iron core 4300 when the coil 22 is energized. The moving iron core 4400 and the rod portion 3212 can be connected by screwing, riveting, welding or other methods.

[0233] The reset member 4500 is located inside the metal cover 5000 and is arranged between the static iron core 4300 and the movable iron core 4400. It is used to reset the movable iron core 4400 when the coil 22 is powered off. The reset member 4500 can be a spring and is sleeved on the outside of the rod 3212.

[0234] It should be noted that when the coil 22 is energized, the stationary iron core 4300 attracts the movable iron core 4400 to move upward, and the movable iron core 4400 can drive the push rod assembly 3200 to move upward via the rod portion 3212. When the movable spring 3110 contacts the static contact lead 2000, the movable spring 3110 is stopped by the static contact lead 2000, while the rod portion 3212 and the base 3211 continue to move upward until the overtravel is completed.

[0235] During the overtravel process, the base 3211 squeezes the elastic component 3300 . After being squeezed, the elastic component 3300 can provide elastic force to the dynamic spring component 3100 to provide contact pressure.

[0236] 4 and 6 , the relay 1 further comprises a first magnetic conductor 6100 , which is fixedly connected to a surface of the stop wall 3230 facing the movable spring assembly 3100 , and is located on a side of the movable spring assembly 3100 facing the static contact lead-out terminal 2000 .

[0237] It can be understood that when the movable spring 3110 is energized, the first magnetic conductor 6100 is magnetized, thereby forming an attractive force on the movable spring 3110 in the direction of contact closure. This attractive force can resist the electromotive repulsive force generated by the short-circuit current between the movable spring 3110 and the static contact lead-out terminal 2000, preventing the movable spring 3110 and the static contact lead-out terminal 2000 from bouncing apart, thereby achieving the purpose of resisting short circuit.

[0238] In which, when the dynamic spring assembly 3100 includes multiple dynamic spring pieces 3110 arranged side by side, the number of first magnetic conductors 6100 can be multiple, and the number of first magnetic conductors 6100 corresponds to the number of dynamic spring pieces 3110, and the multiple first magnetic conductors 6100 are respectively located on the side of the multiple dynamic spring pieces 3110 facing the static contact lead-out end 2000.

[0239] Of course, in other embodiments, when the dynamic spring assembly 3100 includes a plurality of dynamic spring pieces 3110 arranged side by side, the number of the first magnetic conductor 6100 may be one, and the first magnetic conductor 6100 spans across the plurality of dynamic spring pieces 3110 in the third direction D3.

[0240] Furthermore, when the dynamic spring assembly 3100 includes the dynamic spring piece 3110 and the second magnetic conductor 6200, the second magnetic conductor 6200 is fixedly connected to the side of the dynamic spring piece 3110 facing away from the static contact lead-out terminal 2000. The second magnetic conductor 6200 is used to form a magnetic circuit with the first magnetic conductor 6100.

[0241] The number of second magnetic conductors 6200 corresponds to the number of movable springs 3110. In the embodiment of the present application, the number of second magnetic conductors 6200 is two, but the present invention is not limited thereto. The two second magnetic conductors 6200 are respectively fixedly connected to the side of the two movable springs 3110 facing away from the static contact lead-out terminal 2000.

[0242] When the two ends of the movable spring 3110 contact the pair of stationary contact leads 2000, current flows through the movable spring 3110, forming a magnetic circuit around the movable spring 3110 between the first and second magnetic conductors 6100, 6200. When a short-circuit current flows through the movable spring 3110, an attractive force is generated between the first and second magnetic conductors 6100, 6200 in the direction of contact pressure. This attractive force counteracts the electrodynamic repulsion between the movable spring 3110 and the stationary contact leads 2000 caused by the short-circuit current, preventing the movable spring 3110 and the stationary contact leads 2000 from bouncing apart.

[0243] It is understood that the first magnetic conductor 6100 and the second magnetic conductor 6200 can be a straight-line structure or a U-shaped structure. The first magnetic conductor 6100 and the second magnetic conductor 6200 can be made of soft magnetic materials such as iron, cobalt, nickel, and alloys thereof.

[0244] In another embodiment, the first magnetic conductor 6100 may not be mounted on the stop wall 3230 of the push rod assembly 3200, but may be fixed relative to the contact container 1000. In this way, the anti-short-circuit suction force is transferred to the contact container 1000. Since the contact container 1000 is a stationary component, excessive coil retention force is not required, thereby reducing the power consumption of the coil of the relay 1 and the size of the relay 1, thereby improving the anti-short-circuit capability.

[0245] In a specific embodiment, the first magnetic conductor 6100 can be fixedly connected to the ceramic cover 1110 of the contact container 1000 .

[0246] In another embodiment, the first magnetizer 6100 is further fixed in the contact container 1000 via a fixing bracket (not shown). Specifically, the fixing bracket is disposed in the contact container 1000 and fixedly connected to the yoke plate 1200, and the first magnetizer 6100 is fixedly connected to the fixing bracket.

[0247] In another embodiment, the distance between the first and second magnetizers 6100, 6200, can be designed to be variable. Specifically, the distance between the first and second magnetizers 6100, 6200 can be adjusted based on the current, thereby varying the magnetic attraction between the first and second magnetizers 6100, 6200. This ensures both short-circuit protection and overload disconnection.

[0248] Optionally, the first magnetic conductor 6100 may include multiple stacked magnetic conductive sheets. It will be appreciated that increasing the number of thinner magnetic conductive sheets can increase the overall thickness of the first magnetic conductor 6100. On the one hand, thinner magnetic conductive sheets can be made from thin strips, resulting in lower material costs and easier handling. On the other hand, the number of magnetic conductive sheets can be flexibly adjusted based on the magnitude of the short-circuit current.

[0249] 4 and 6 , the dynamic spring assembly 3100 has a first side surface 3100a and a second side surface 3100b disposed opposite each other along a third direction D3. The first side surface 3100a corresponds to the first side wall 3222a of the contact support 3220, and the second side surface 3100b corresponds to the second side wall 3222b of the contact support 3220.

[0250] When the dynamic spring assembly 3100 includes a plurality of dynamic spring pieces 3110 and a plurality of second magnetic conductors 6200 , the outermost two second magnetic conductors 6200 have a first side surface 3100 a and a second side surface 3100 b , respectively.

[0251] In other embodiments, when the dynamic spring assembly 3100 only includes a plurality of dynamic spring pieces 3110 , the two outermost dynamic spring pieces 3110 among the plurality of dynamic spring pieces 3110 respectively have a first side surface 3100 a and a second side surface 3100 b .

[0252] As shown in Figures 7 and 8, the relay 1 of the embodiment of the present application further includes an anti-rotation mechanism 300, which is connected to the movable spring assembly 3100 and the push rod assembly 3200 and is used to limit the rotation of the movable spring assembly 3100 relative to the push rod assembly 3200 about the axis of the push rod assembly 3200. In this way, the relay of the embodiment of the present application can, to a certain extent, avoid the generation of metallic noise due to contact and friction between the movable spring assembly 3100 and the push rod assembly 3200, significantly reducing the risk of metallic particles generated by friction between the movable spring assembly 3100 and the push rod assembly 3200, thereby ensuring the reliability of the relay product. Furthermore, the rotation amplitude of the movable spring assembly 3100 relative to the push rod assembly 3200 about the axis of the push rod assembly 3200 is reduced, further ensuring the consistency of the contact position between the movable spring assembly 3100 and the static contact lead 2000, thereby ensuring the stability of the contact resistance.

[0253] In one embodiment, the anti-rotation mechanism 300 includes a first anti-rotation assembly 100 and a second anti-rotation assembly 200. The first anti-rotation assembly 100 is disposed between the first sidewall 3222a and the first side surface 3100a, and is configured to generate a first anti-rotation force between the first sidewall 3222a and the first side surface 3100a. The second anti-rotation assembly 200 is disposed between the second sidewall 3222b and the second side surface 3100b, and is configured to generate a second anti-rotation force between the second sidewall 3222b and the second side surface 3100b. The first anti-rotation force and the second anti-rotation force are equal in magnitude and opposite in direction.

[0254] In the relay 1 of the embodiment of the present application, the first anti-rotation component 100 is arranged between the first side wall 3222a and the first side surface 3100a, and is used to form a first anti-rotation force between the first side wall 3222a and the first side surface 3100a. The second anti-rotation component 200 is arranged between the second side wall 3222b and the second side surface 3100b, and is used to form a second anti-rotation force between the second side wall 3222b and the second side surface 3100b. The dynamic spring assembly 3100 is subjected to the anti-rotation force on both sides along the third direction D3, so that the dynamic spring assembly 3100 is maintained between the first side wall 3222a and the second side wall 3222b, thereby preventing the dynamic spring assembly 3100 from rotating relative to the push rod assembly 3200 to a certain extent.

[0255] The first anti-rotation assembly 100 includes a first anti-rotation member 310, and the second anti-rotation assembly 200 includes a second anti-rotation member 320. The first anti-rotation member 310 is disposed between the first sidewall 3222a and the first side surface 3100a, while the second anti-rotation member 320 is disposed between the second sidewall 3222b and the second side surface 3100b. When the dynamic spring assembly 3100 rotates relative to the axis of the push rod, the first anti-rotation member 310 and / or the second anti-rotation member 320 can abut against the dynamic spring assembly 3100 in a third direction D3, thereby clamping the dynamic spring assembly 3100 between the first anti-rotation member 310 and the second anti-rotation member 320.

[0256] As shown in Figure 8, in the first embodiment of the present application, the first anti-rotation member 310 and the second anti-rotation member 320 are both sheet-like structures made of flexible material. The first sidewall 3222a has a first inner side surface 3223 facing the dynamic spring assembly 3100, and the first anti-rotation member 310 is attached to the first inner side surface 3223 or the first side surface 3100a. The second sidewall 3222b has a second inner side surface 3225 facing the dynamic spring assembly 3100, and the second anti-rotation member 320 is attached to the second inner side surface 3225 or the second side surface 3100b. The reaction force applied by the first anti-rotation member 310 on the first side surface 3100a is the first anti-rotation force, and the reaction force applied by the second anti-rotation member 320 on the second side surface 3100b is the second anti-rotation force.

[0257] In one embodiment, the flexible material may be a non-metallic material, such as rubber or wear-resistant plastic, but is not limited thereto.

[0258] The first anti-rotation component 310 can be attached to the first inner side surface 3223 or the first side surface 3100a by welding, bonding or other connection methods, and the second anti-rotation component 320 can be attached to the second inner side surface 3225 or the second side surface 3100b by welding, bonding or other connection methods.

[0259] In the embodiment of the present application, both the first anti-rotation member 310 and the second anti-rotation member 320 are made of a flexible material. This reduces wear on the dynamic spring assembly 3100 caused by the first and second anti-rotation members 310 and 320, and reduces friction between the first anti-rotation member 310 and the first side surface 3100a, and between the second anti-rotation member 320 and the second side surface 3100b, thereby preventing overtravel. Furthermore, the flexible material reduces the deflection force of the dynamic spring assembly 3100 relative to the contact support 3220, thereby reducing the rotational amplitude of the dynamic spring assembly 3100 and minimizing frictional resistance and frictional noise between the dynamic spring assembly 3100 and the contact support 3220.

[0260] Of course, in other embodiments, the first anti-rotation component 310 may also be connected to the first side surface 3100a, and the second anti-rotation component 320 may also be connected to the second side surface 3100b.

[0261] Furthermore, during the entire movement of the push rod assembly 3200, the first anti-rotation member 310 always abuts between the first side wall 3222a and the first side surface 3100a, and the second anti-rotation member 320 always abuts between the second side wall 3222b and the second side surface 3100b. Specifically, before the movable spring 3110 has not yet contacted the static contact lead-out terminal 2000, the first anti-rotation member 310 abuts between the first side wall 3222a and the first side surface 3100a, and the second anti-rotation member 320 abuts between the second side wall 3222b and the second side surface 3100b; in the initial stage of overtravel (i.e., when the movable spring 3110 has just contacted the static contact lead-out terminal 2000), the first anti-rotation member 310 abuts between the first side wall 3222a and the first side surface 3100a, and the second anti-rotation member 320 abuts between the second side wall 3222b and the second side surface 3100b. At the end of the overtravel phase (i.e., when the movable iron core 4400 contacts the stationary iron core 4300), the first anti-rotation member 310 still abuts between the first side wall 3222a and the first side surface 3100a, and the second anti-rotation member 320 still abuts between the second side wall 3222b and the second side surface 3100b. Furthermore, at any position between the initial overtravel phase and the end of the overtravel phase, the first anti-rotation member 310 also abuts between the first side wall 3222a and the first side surface 3100a, and the second anti-rotation member 320 also abuts between the second side wall 3222b and the second side surface 3100b. In this way, the dynamic spring assembly 3100 remains stable throughout the entire motion of the movable assembly 3000, reducing the extent of rotation of the dynamic spring assembly 3100 relative to the push rod assembly 3200 about the axis of the push rod assembly 3200.

[0262] As shown in FIG9 and FIG10 , the similarities between the movable assembly 3000 of the second embodiment of the present application and the movable assembly 3000 of the first embodiment are not repeated here, and the differences are as follows:

[0263] The contact bracket 3220 of the push rod assembly 3200 is an inverted U-shape, including a top wall 3227 and two side walls (the two side walls are respectively equivalent to the first side wall 3222a and the second side wall 3222b of the above-mentioned first embodiment), one end of the two side walls are respectively integrally connected to the two side edges of the top wall 3227 along the width direction D2 of the dynamic spring assembly 3100, and the other ends of the two side walls are respectively clamped with the base 3211.

[0264] As shown in FIG11 to FIG14 , the similarities between the movable assembly 3000 of the third embodiment of the present application and the movable assembly 3000 of the first embodiment are not repeated here, and the differences are as follows:

[0265] Both the first anti-rotation member 310 and the second anti-rotation member 320 are spring plates. The first anti-rotation member 310 is squeezed between the first sidewall 3222a and the first side surface 3100a of the dynamic spring assembly 3100, providing a first elastic force to the dynamic spring assembly 3100. The second anti-rotation member 320 is squeezed between the second sidewall 3222b and the second side surface 3100b of the dynamic spring assembly 3100, providing a second elastic force to the dynamic spring assembly 3100. The first elastic force and the second elastic force are directed in opposite directions. The first elastic force is the first anti-rotation force, and the second elastic force is the second anti-rotation force.

[0266] In the embodiment of the present application, the first anti-rotation component 310 and the second anti-rotation component 320 are both spring plates. The elastic force provided by the spring plates can absorb the deflection of the dynamic spring assembly 3100, reduce the deflection force between the dynamic spring assembly 3100 and the first side wall 3222a and the second side wall 3222b of the contact bracket 3220, and reduce the friction resistance and friction noise between the dynamic spring assembly 3100 and the contact bracket 3220.

[0267] As shown in Figures 12 to 14, the first anti-rotation component 310 and the second anti-rotation component 320 both include a connecting portion 330 and a spring portion 340; the two connecting portions 330 are respectively connected to the first side wall 3222a and the second side wall 3222b, and the two spring portions 340 extend from the two connecting portions 330 in a direction away from the static contact lead-out end 2000; the two spring portions 340 are used to provide a first elastic force and a second elastic force to the dynamic spring assembly 3100, respectively.

[0268] The connecting portion 330 includes hooks 331 , and the two hooks 331 are respectively hooked on the lower edge of the first opening 3228 and the lower edge of the second opening 3229 .

[0269] As shown in FIG. 15 to FIG. 17 , the similarities between the movable assembly 3000 of the fourth embodiment of the present application and the movable assembly 3000 of the third embodiment are not repeated here, and the differences are as follows:

[0270] The anti-rotation mechanism 300 further includes a transition piece 360. One end of the first anti-rotation piece 310 and one end of the second anti-rotation piece 320 are integrally connected to the ends of the transition piece 360 ​​along the third direction D3. The transition piece 360 ​​has a central hole 361 through which the elastic component 3300 is inserted.

[0271] In the embodiment of the present application, the anti-rotation mechanism 300 also has a transition piece 360, which is integrally connected to the first anti-rotation piece 310 and the second anti-rotation piece 320 through the transition piece 360, thereby improving the structural strength of the anti-rotation mechanism 300 and preventing the first anti-rotation piece 310 and the second anti-rotation piece 320 from shaking.

[0272] As shown in FIG18 , in another embodiment, both the first anti-rotation component 310 and the second anti-rotation component 320 are provided with a slot 350 , wherein the extending direction of the slot 350 is substantially parallel to the second direction D2 .

[0273] As shown in FIG19 , in another embodiment, both the first anti-rotation component 310 and the second anti-rotation component 320 are provided with a slot 350 , wherein the extending direction of the slot 350 is inclined relative to the second direction D2 .

[0274] In the embodiment of the present application, by providing a slot 350 on the first anti-rotation component 310 and the second anti-rotation component 320, the flexibility of the first anti-rotation component 310 and the second anti-rotation component 320 is improved. On the one hand, the elastic force of the first anti-rotation component 310 and the second anti-rotation component 320 is reduced so as to better absorb the deflection force of the dynamic spring assembly 3100; on the other hand, the rigidity of the first anti-rotation component 310 and the second anti-rotation component 320 is avoided to cause wear on the dynamic spring assembly 3100.

[0275] As shown in FIG. 20 to FIG. 22 , the similarities between the moving assembly 3000 of the fifth embodiment of the present application and the moving assembly 3000 of the fourth embodiment are not repeated here, and the differences are as follows:

[0276] Each connecting portion 330 includes a snap-fit ​​structure 332 , and the snap-fit ​​structures 332 of the two connecting portions 330 are snap-fitted into the first opening 3228 and the second opening 3229 , respectively.

[0277] As shown in Figure 22, the locking structure 332 includes two connecting pieces 332b, which are connected to the elastic piece portion 340. One of the connecting pieces 332b is provided with a hook 332a.

[0278] As shown in Figure 23, the latching structure 332 includes three connecting pieces 332b arranged in sequence along the third direction D3, with a gap between two adjacent connecting pieces 332b.

[0279] As shown in FIG. 24 , the locking structure 332 includes a connecting piece 332 b , and a hook 332 a is provided at one end of the connecting piece 332 b along the third direction D3 .

[0280] As shown in FIG. 25 to FIG. 28 , the similarities between the movable assembly 3000 of the sixth embodiment of the present application and the movable assembly 3000 of the fifth embodiment are not repeated here. The differences are as follows:

[0281] The clamping structure 332 is a sheet-like structure, and the two clamping structures 332 are respectively clamped into the first opening 3228 and the second opening 3229 .

[0282] The first sidewall 3222a further defines a first connection hole 410, and the second sidewall 3222b further defines a second connection hole 420. Each connection portion 330 further includes a convex bump 333, which extends into the first connection hole 410 and the second connection hole 420, respectively, and has an interference fit with the first connection hole 410 and the second connection hole 420, respectively.

[0283] As shown in FIG. 27 , the cross-sectional shape of the convex hull 333 is circular.

[0284] As shown in Figure 29, in another embodiment, the cross-section of the convex hull 333 can also be elliptical. Of course, in other embodiments, the cross-section of the convex hull 333 can also be other shapes such as rectangular or triangular.

[0285] As shown in FIG30 to FIG32 , the similarities between the moving assembly 3000 of the seventh embodiment of the present application and the moving assembly 3000 of the fifth embodiment are not repeated here, and the differences are as follows:

[0286] The first side wall 3222a and the second side wall 3222b are both provided with claws 600. Each connecting portion 330 includes a collar 334. The collars 334 of the two connecting portions 330 are respectively sleeved on the outer periphery of the claws 600 of the first side wall 3222a and the outer periphery of the claws 600 of the second side wall 3222b.

[0287] In the embodiment of the present application, two protruding claws 600 are provided at one end of the first side wall 3222a away from the base 3211, and the first anti-rotation component 310 is provided with two rings 334. The two rings 334 of the first anti-rotation component 310 are respectively arranged on the outer periphery of the two protruding claws 600 of the first side wall 3222a.

[0288] Two protruding claws 600 are provided at one end of the second side wall 3222b away from the base 3211 and spaced apart along the third direction D3. The second anti-rotation component 320 is provided with two rings 334. The two rings 334 of the second anti-rotation component 320 are respectively sleeved on the outer periphery of the two protruding claws 600 of the second side wall 3222b.

[0289] As shown in FIG33 to FIG35 , the similarities between the movable assembly 3000 of the eighth embodiment of the present application and the movable assembly 3000 of the third embodiment are not repeated here, and the differences are as follows:

[0290] The connecting portion 330 of the first anti-rotation component 310 is riveted to the first inner side surface 3223 of the first side wall 3222a facing the dynamic spring assembly 3100 . The connecting portion 330 of the second anti-rotation component 320 is riveted to the second inner side surface 3225 of the second side wall 3222b facing the dynamic spring assembly 3100 .

[0291] In another embodiment, the connection portion 330 of the first anti-rotation component 310 is welded to the first inner side surface 3223 of the first side wall 3222a facing the dynamic spring assembly 3100, and the connection portion 330 of the second anti-rotation component 320 is welded to the second inner side surface 3225 of the second side wall 3222b facing the dynamic spring assembly 3100.

[0292] In addition, in the embodiment of the present application, the anti-rotation mechanism 300 further includes a transition piece 360 ​​, and one end of the first anti-rotation piece 310 and one end of the second anti-rotation piece 320 are integrally connected to two ends of the transition piece 360 ​​along the third direction D3 .

[0293] As shown in FIG36 to FIG38 , the similarities between the movable assembly 3000 of the ninth embodiment of the present application and the movable assembly 3000 of the first embodiment are not repeated here, and the differences are as follows:

[0294] The anti-rotation mechanism 300 also includes a transition piece 360. One end of the first anti-rotation piece 310 and one end of the second anti-rotation piece 320 are integrally connected to the ends of the transition piece 360 ​​along the third direction D3. The transition piece 360 ​​is fixedly connected to the dynamic spring assembly 3100. One end of the elastic assembly 3300 abuts the base 3211, and the other end abuts the transition piece 360.

[0295] As an example, the transition piece 360 ​​is fixedly connected to the second magnetic conductor 6200. Furthermore, the transition piece 360 ​​is connected to the second magnetic conductor 6200 by riveting, welding, etc., but is not limited thereto.

[0296] As shown in FIG39 to FIG41 , the similarities between the moving assembly 3000 of the tenth embodiment of the present application and the moving assembly 3000 of the ninth embodiment are not repeated here, and the differences are as follows:

[0297] The transition piece 360 ​​is disposed between the stop wall 3230 and the first magnetic conductor 6100 and is fixedly connected to the stop wall 3230 and the first magnetic conductor 6100. In other words, when assembling the push rod assembly 3200, the stop wall 3230, the first magnetic conductor 6100, and the anti-rotation mechanism 300 can first be fixedly connected to form a single unit, and then the single unit can be connected to the contact support 3220.

[0298] Furthermore, the stopping wall 3230 , the first magnetic conductor 6100 and the transition piece 360 ​​of the anti-rotation mechanism 300 may be fixedly connected by riveting, welding or the like, but the present invention is not limited thereto.

[0299] As shown in FIG42 , the similarities between the moving assembly 3000 of the eleventh embodiment of the present application and the moving assembly 3000 of the first embodiment are not repeated here, and the differences are as follows:

[0300] The first anti-rotation member 310 and the second anti-rotation member 320 are both spring plates. The first anti-rotation member 310 is integrally connected to the first side wall 3222a, while the second anti-rotation member 320 is integrally connected to the second side wall 3222b. The first anti-rotation member 310 is used to provide a first elastic force to the dynamic spring assembly 3100, while the second anti-rotation member 320 is used to provide a second elastic force to the dynamic spring assembly 3100.

[0301] Furthermore, the first sidewall 3222a further has a third opening 510, and the second sidewall 3222b further has a fourth opening 520. The first anti-rotation member 310 is integrally connected to the upper edge of the third opening 510, and the second anti-rotation member 320 is integrally connected to the upper edge of the fourth opening 520.

[0302] As shown in FIG43 , the similarities between the movable assembly 3000 of the twelfth embodiment of the present application and the movable assembly 3000 of the eleventh embodiment are not repeated here, and the differences are as follows:

[0303] The first anti-rotation component 310 is integrally connected to the lower edge of the third opening 510 , and the second anti-rotation component 320 is integrally connected to the lower edge of the fourth opening 520 .

[0304] It should be noted that, in the third to twelfth embodiments, both the first anti-rotation component 310 and the second anti-rotation component 320 may be provided with a slot 350 .

[0305] As shown in FIG44 , the similarities between the movable assembly 3000 of the thirteenth embodiment of the present application and the movable assembly 3000 of the first embodiment are not repeated here, and the differences are as follows:

[0306] The first anti-rotation component 100 includes a first magnet 110 connected to the first side surface 3100a and a second magnet 120 connected to the first side wall 3222a. The magnetic poles facing each other of the first magnet 110 and the second magnet 120 are the same poles, that is, the magnetic pole of the first magnet 110 facing the first side wall 3222a and the magnetic pole of the second magnet 120 facing the first side surface 3100a are the same poles, so that a first repulsive force is formed between the first magnet 110 and the second magnet 120. The second anti-rotation assembly 200 includes a third magnet 210 connected to the second side surface 3100b and a fourth magnet 220 connected to the second sidewall 3222b. The facing poles of the third magnet 210 and the fourth magnet 220 are the same poles, i.e., the pole of the third magnet 210 facing the second sidewall 3222b and the pole of the fourth magnet 220 facing the second side surface 3100b are the same poles, so that a second repulsive force is generated between the third magnet 210 and the fourth magnet 220. The first repulsive force is the first anti-rotation force, and the second repulsive force is the second anti-rotation force.

[0307] In the relay 1 of the embodiment of the present application, the first magnet 110 and the second magnet 120 of the first anti-rotation component 100 have the same magnetic poles facing each other, so a repulsive force is generated between the first magnet 110 and the second magnet 120, and the third magnet 210 and the fourth magnet 220 of the second anti-rotation component 200 have the same magnetic poles facing each other, so a repulsive force is generated between the third magnet 210 and the fourth magnet 220. Since the first magnet 110 and the third magnet 210 are respectively connected to the first side surface 3100a and the second side surface 3100b of the dynamic spring assembly 3100, and the second magnet 120 and the fourth magnet 220 are respectively connected to the first side wall 3222a and the second side wall 3222b of the contact bracket 3220, the dynamic spring assembly 3100 is subjected to a repulsive force on both sides along the third direction D3, and the dynamic spring assembly 3100 is equivalent to being suspended between the first side wall 3222a and the second side wall 3222b. When the movable spring assembly 3100 moves toward the first side wall 3222a, the distance between the first magnet 110 and the second magnet 120 decreases, thereby increasing the repulsive force. This repulsive force prevents the movable spring assembly 3100 from moving further toward the first side wall 3222a, thus preventing the movable spring assembly 3100 from contacting the first side wall 3222a and generating metallic noise. When the movable spring assembly 3100 moves toward the second side wall 3222b, the distance between the third magnet 210 and the fourth magnet 220 decreases, thereby increasing the repulsive force. This repulsive force prevents the movable spring assembly 3100 from moving further toward the second side wall 3222b, thus preventing the movable spring assembly 3100 from contacting the second side wall 3222b and generating metallic noise.

[0308] Thus, in the relay 1 of the present embodiment, the repulsive force generated between the first magnet 110 and the second magnet 120, and the repulsive force generated between the third magnet 210 and the fourth magnet 220, acts on the movable spring assembly 3100 in the third direction D3. This allows the movable spring assembly 3100 to remain between the first side wall 3222a and the second side wall 3222b without rotating relative to the push rod assembly, thereby preventing the movable spring assembly 3100 from contacting and rubbing against the first and second side walls 3222a and 3222b and generating metallic noise. Furthermore, the contact position consistency between the movable spring assembly 3100 and the static contact terminal 2000 is ensured, ensuring stable contact resistance. Furthermore, since the movable spring assembly 3100 does not rotate relative to the push rod assembly, the risk of metallic particles generated by friction between the movable spring assembly 3100 and the contact support 3220 is significantly reduced, thereby ensuring the reliability of the relay 1 product.

[0309] In one embodiment, the first magnet 110 , the second magnet 120 , the third magnet 210 , and the fourth magnet 220 are all permanent magnets.

[0310] It is understandable that the poles facing each other of the first magnet 110 and the second magnet 120 can be either the north pole or the south pole; the poles facing each other of the third magnet 210 and the fourth magnet 220 can be either the north pole or the south pole.

[0311] Furthermore, the magnetic poles facing each other of the first magnet 110 and the second magnet 120 may be the same as or different from the magnetic poles facing each other of the third magnet 210 and the fourth magnet 220. For example, in one embodiment, the magnetic poles facing each other of the first magnet 110 and the second magnet 120 may be north poles, and the magnetic poles facing each other of the third magnet 210 and the fourth magnet 220 may be north poles; in another embodiment, the magnetic poles facing each other of the first magnet 110 and the second magnet 120 may be north poles, and the magnetic poles facing each other of the third magnet 210 and the fourth magnet 220 may be south poles.

[0312] Continuing with FIG44 , the first sidewall 3222a has a first inner side surface 3223 facing the movable spring assembly 3100 and a first outer side surface 3224 opposite to the first inner side surface 3223. The second sidewall 3222b has a second inner side surface 3225 facing the movable spring assembly 3100 and a second outer side surface 3226 opposite to the second inner side surface 3225. The second magnet 120 is connected to the first inner side surface 3223, and the fourth magnet 220 is connected to the second inner side surface 3225.

[0313] In one embodiment, the first magnet 110 , the second magnet 120 , the third magnet 210 , and the fourth magnet 220 are all in a flat plate shape, and have the same thickness.

[0314] Furthermore, the shapes of the first magnet 110 , the second magnet 120 , the third magnet 210 and the fourth magnet 220 may be rectangular plates or circular plates, but are not limited thereto.

[0315] Optionally, along the third direction D3 , the orthographic projections of the first magnet 110 , the second magnet 120 , the third magnet 210 , and the fourth magnet 220 on the first inner side surface 3223 completely overlap, but the present invention is not limited thereto.

[0316] In one embodiment, the first magnet 110 and the third magnet 210 may be connected to the dynamic spring assembly 3100 by bonding, welding, etc. The second magnet 120 and the fourth magnet 220 may be connected to the contact support 3220 by bonding, welding, etc.

[0317] As shown in FIG45 , the similarities between the moving assembly 3000 of the fourteenth embodiment of the present application and the moving assembly 3000 of the thirteenth embodiment are not repeated here, and the differences are as follows:

[0318] The first magnet 110 is connected to the first side surface 3100a of the movable spring assembly 3100 , the second magnet 120 is connected to the first outer side surface 3224 , the third magnet 210 is connected to the second side surface 3100b of the movable spring assembly 3100 , and the fourth magnet 220 is connected to the second outer side surface 3226 .

[0319] As shown in FIG46 , the similarities between the moving assembly 3000 of the fifteenth embodiment of the present application and the moving assembly 3000 of the thirteenth embodiment are not repeated here, and the differences are as follows:

[0320] The first magnet 110 is connected to the first side surface 3100a of the dynamic spring assembly 3100 , the second magnet 120 is connected to the first outer side surface 3224 , the third magnet 210 is connected to the second side surface 3100b of the dynamic spring assembly 3100 , and the fourth magnet 220 is connected to the second inner side surface 3225 .

[0321] As shown in FIG47 , the similarities between the movable assembly 3000 of the sixteenth embodiment of the present application and the movable assembly 3000 of the thirteenth embodiment are not repeated here, and the differences are as follows:

[0322] The first magnet 110 is connected to the first side surface 3100a of the movable spring assembly 3100 , the second magnet 120 is connected to the first inner side surface 3223 , the third magnet 210 is connected to the second side surface 3100b of the movable spring assembly 3100 , and the fourth magnet 220 is connected to the second outer side surface 3226 .

[0323] As shown in FIG. 48 to FIG. 50 and FIG. 62 , the similarities between the moving assembly 3000 of the seventeenth embodiment of the present application and the above-mentioned embodiments are not repeated here, and the differences are as follows:

[0324] The anti-rotation mechanism 300 is a limit assembly 1-300, which is connected to the dynamic spring assembly 3100 and the push rod assembly 3200, and is used to limit the dynamic spring assembly 3100 from rotating around the axis of the push rod assembly 3200 relative to the push rod assembly 3200, and the limit assembly 1-300 can be deformed to adapt to overtravel.

[0325] It is understood that the connection between the limiting assembly 1-300 and the push rod assembly 3200 can be direct or indirect. When the limiting assembly 1-300 is indirectly connected to the push rod assembly 3200, the limiting assembly 1-300 can be connected to the push rod assembly 3200 via the elastic assembly 3300, that is, the elastic assembly 3300 is directly connected to the push rod assembly 3200, and the limiting assembly 1-300 is directly connected to the elastic assembly 3300.

[0326] The relay of the embodiment of the present application includes a dynamic spring assembly 3100, a push rod assembly 3200, a limit assembly 1-300 and an elastic assembly 3300. The elastic assembly 3300 can provide contact pressure, and the limit assembly 1-300 can limit the rotation of the dynamic spring assembly 3100 relative to the push rod assembly 3200, thereby ensuring the consistency of the contact position of the dynamic and static contacts, enhancing the stability of the contact resistance, and improving the reliability of the relay.

[0327] It should be noted that, in the embodiment of the present application, the limiting assembly 1-300 can limit the dynamic spring assembly 3100 from rotating about an axis perpendicular to the plane where the dynamic spring assembly 3100 is located. In other words, the limiting assembly 1-300 can limit the dynamic spring assembly 3100 from rotating relative to the push rod assembly 3200 about the axis of the push rod assembly 3200.

[0328] As shown in Figures 50 and 51 , the elastic component 3300 is a first elastic spring 1-100. As an example, the first elastic spring 1-100 is a sheet structure made of a metal material and formed by bending.

[0329] The first elastic spring 1-100 is installed on the base 3211 of the push rod 3210 through the first anti-rotation structure 1-200, and abuts against the side surface of the dynamic spring 3110 of the dynamic spring assembly 3100 facing the push rod 3210.

[0330] The first elastic spring 1-100 is disposed on the side of the movable spring 3110 facing away from the static contact lead-out terminal 2000 and includes a first base 1-110 and a spring arm 1-120. The first base 1-110 is mounted on the push rod 3210 via a first anti-rotation structure 1-200, and at least one spring arm 1-120 is provided at each end of the first base 1-110 along the first direction D1. The spring arms 1-120 at both ends of the first base 1-110 in the first direction D1 respectively abut against the ends of the movable spring assembly 3100 in the first direction D1.

[0331] In the embodiment of the present application, the spring arms 1-120 at both ends of the first base 1-110 along the first direction D1 respectively abut against the two ends of the movable spring piece 3110.

[0332] It can be understood that since the spring arms 1-120 at both ends of the first elastic spring 1-100 are supported on both ends of the movable spring 3110, the movable spring 3110 and the second magnet 6200 can be stably installed on the push rod 3210, avoiding the movable spring 3110 and the second magnet 6200 from shaking, further avoiding the problem of uneven contact pressure due to the shaking of the movable spring 3110 and the problem of the anti-short circuit capability being affected due to the shaking of the second magnet 6200.

[0333] The first elastic spring 1-100 and the dynamic spring assembly 3100 together form a receiving cavity 1-500, and the limiting assembly 1-300 is accommodated in the receiving cavity 1-500. By arranging the limiting assembly 1-300 in the receiving cavity 1-500, the structure of the dynamic assembly 3000 can be made more compact, which is conducive to miniaturization of the relay.

[0334] As shown in Figure 49, at both ends of the first direction D1 of the first base 1-110, there are at least two spring arms 1-120 arranged side by side along the third direction D3, and the two spring arms 1-120 corresponding to the first elastic spring plate 1-100 in the first direction D1 are respectively abutted against the two ends of the first direction D1 of a movable spring plate 3110.

[0335] In an embodiment of the present application, two spring arms 1-120 arranged side by side along the third direction D3 are provided at both ends of the first direction D1 of the first base 1-110. The two spring arms 1-120 at one end of the first direction D1 of the first base 1-110 respectively abut against one end of the two movable spring pieces 3110 arranged side by side, and the two spring arms 1-120 at the other end of the first direction D1 of the first base 1-110 respectively abut against the other end of the two movable spring pieces 3110 arranged side by side.

[0336] It can be seen that in the embodiment of the present application, each movable spring piece 3110 corresponds to a pair of spring arms 1-120. In this way, when the contact gaps of multiple movable spring pieces 3110 and the static contact lead-out ends are inconsistent, the multiple movable spring pieces 3110 will not interfere with each other.

[0337] As shown in FIG51 , each spring arm 1-120 includes an extension portion 1-121 and an abutting portion 1-122. The extension portion 1-121 is connected to the first base portion 1-110, and the abutting portion 1-122 is connected to the end of the extension portion 1-121 away from the first base portion 1-110 and abuts against the end of the movable spring piece 3110 in the first direction D1. The width of the extension portion 1-121 at the end connected to the first base portion 1-110 is greater than the width of the extension portion 1-121 at the end connected to the abutting portion 1-122. Furthermore, the width of the extension portion 1-121 decreases from the first base portion 1-110 to the abutting portion 1-122.

[0338] In an embodiment of the present application, the first elastic spring 1-100 includes a first base 1-110 and a spring arm 1-120. Since the width of the extension portion 1-121 of the spring arm 1-120 decreases from the first base 1-110 to the abutment portion 1-122, that is, the width of the extension portion 1-121 gradually narrows, the structural strength of the spring arm 1-120 can be reduced to make the spring arm 1-120 softer; in the initial stage of overtravel, after the dynamic spring 3110 and the static contact lead-out end 2000 just come into contact, the spring arm 1-120 will not provide excessive elastic force to avoid mismatch of suction and reaction forces; in addition, precisely because the width of the extension portion 1-121 gradually narrows, the weight of the first elastic spring 1-100 can be slightly reduced; in addition, since the width of the extension portion 1-121 decreases, the spring arm 1-120 can reserve sufficient space in the third direction D3 for setting other structures.

[0339] Furthermore, the width of the first base portion 1-110 is greater than the width of the extension portion 1-121. Since the first base portion 1-110 is connected to the push rod 3210 and the width of the first base portion 1-110 is relatively large and greater than the width of the extension portion 1-121, the structural strength of the first base portion 1-110 of the first elastic spring 1-100 can be ensured, so that the first elastic spring 1-100 can be firmly connected to the push rod 3210.

[0340] Furthermore, the extension 1-121 has a wider base, providing greater mechanical strength and improving the fatigue resistance of the first elastic spring 1-100. The gradually narrowing extension 1-121 creates a nonlinear change in the spring constant of the first elastic spring 1-100, reducing the initial elastic reaction force and avoiding mismatched suction reaction forces at the beginning of overtravel. Furthermore, as the first elastic spring 1-100 is gradually compressed, its progression coefficient increases, ensuring sufficient contact pressure.

[0341] As shown in Figures 49 to 51, the first anti-rotation structure 1-200 includes at least two first limiting protrusions 3214 and at least two first limiting holes 1-111. The first limiting protrusions 3214 are provided on one of the first base 1-110 and the push rod assembly 3200, and the first limiting holes 1-111 are provided on the other of the first base 1-110 and the push rod assembly 3200. The at least two first limiting protrusions 3214 are respectively inserted into the at least two first limiting holes 1-111 to achieve an anti-rotation effect.

[0342] In an embodiment of the present application, at least two first limiting protrusions 3214 are protruded from a side surface of the push rod 3210 facing the dynamic spring assembly 3100; and at least two first limiting holes 1-111 are provided on the first base 1-110.

[0343] In the embodiment of the present application, the first anti-rotation structure 1-200 includes two first limiting protrusions 3214 and two first limiting holes 1-111. The two first limiting protrusions 3214 are provided on a side surface of the base 3211 facing the dynamic spring assembly 3100. The two first limiting protrusions 3214 are arranged side by side along the third direction D3 and are respectively inserted into the two first limiting holes 1-111.

[0344] It should be noted that, since the first anti-rotation structure 1-200 of the embodiment of the present application includes at least two first limiting protrusions 3214 and first limiting holes 1-111 that cooperate with each other, the shape of the first limiting hole 1-111 can be circular.

[0345] Of course, in other embodiments, the first anti-rotation structure 1-200 may further include a first limiting protrusion 3214 and a first limiting hole 1-111, and the first limiting hole 1-111 may be shaped as a non-circular shape such as a rectangle, an ellipse, or a triangle. The first limiting protrusion 3214 matches the shape of the first limiting hole 1-111 and is inserted into the first limiting hole 1-111, thereby preventing relative rotation between the push rod 3210 and the first elastic spring 1-100.

[0346] It can be understood that the first anti-rotation structure 1-200 is used to limit the rotation of the first elastic spring 1-100 around the axis of the push rod assembly 3200 relative to the push rod assembly 3200.

[0347] It is understood that, in other embodiments, the first anti-rotation structure 1-200 may also include a riveted structure, a welded structure, an adhesive structure, etc. When the first anti-rotation structure 1-200 is a riveted structure, the first base 1-110 is riveted to the push rod assembly 3200; when the first anti-rotation structure 1-200 is a welded structure, the first base 1-110 is welded to the push rod assembly 3200; when the first anti-rotation structure 1-200 is an adhesive structure, the first base 1-110 is adhesively bonded to the push rod assembly 3200.

[0348] In another embodiment, the first anti-rotation structure 1-200 may further include a fastener, which fastens the first elastic spring 1-100 and the push rod assembly 3200.

[0349] As shown in Figures 49, 50, and 52, the limiting assembly 1-300 is a second elastic spring 1-300a. The second elastic spring 1-300a can be a sheet-like structure made of a metal material and formed by bending. The second elastic spring 1-300a is connected to one of the elastic assembly 3300 and the dynamic spring assembly 3100 via a second anti-rotation structure 1-400, and is connected to the other of the elastic assembly 3300 and the dynamic spring assembly 3100 via a third anti-rotation structure 1-700.

[0350] In an embodiment of the present application, the second elastic spring 1-300a is connected to the first base 1-110 through the second anti-rotation structure 1-400, and is connected to the dynamic spring assembly 3100 through the third anti-rotation structure 1-700.

[0351] As shown in Figures 52 to 54, the second anti-rotation structure 1-400 includes at least two second limiting protrusions 1-410 and at least two second limiting holes 1-311. The second limiting protrusions 1-410 are provided on one of the first elastic spring 1-100 and the second elastic spring 1-300a, and the second limiting holes 1-311 are provided on the other of the first elastic spring 1-100 and the second elastic spring 1-300a.

[0352] In the embodiment of the present application, each second limiting protrusion 1-410 is a raised ring 1-112. At least two raised rings 1-112 are provided on a side surface of the first base portion 1-110 facing the dynamic spring assembly 3100, and one raised ring 1-112 surrounds a first limiting hole 1-111; the inner annular surface 1-112b of the raised ring 1-112 is flush with the hole wall of the first limiting hole 1-111; at least two second limiting holes 1-311 are provided in the second elastic spring leaf 1-300a; wherein, the at least two raised rings 1-112 are respectively inserted into the at least two second limiting holes 1-311.

[0353] In an embodiment of the present application, the second anti-rotation structure 1-400 includes two protruding rings 1-112 and two second limiting holes 1-311.

[0354] It should be noted that, since the second anti-rotation structure 1-400 of the embodiment of the present application includes at least two mutually cooperating convex rings 1-112 and a second limiting hole 1-311, the shape of the second limiting hole 1-311 can be circular.

[0355] Of course, in other embodiments, the second anti-rotation structure 1-400 may further include a raised ring 1-112 and a second limiting hole 1-311, wherein the second limiting hole 1-311 may be shaped as a non-circular shape such as a rectangle, an ellipse, or a triangle. The raised ring 1-112 inserted into the second limiting hole 1-311 may prevent relative rotation between the second elastic spring 1-300a and the first elastic spring 1-100.

[0356] It can be understood that the second anti-rotation structure 1-400 is used to limit the rotation of the second elastic spring 1-300a around the axis of the push rod assembly 3200 relative to the first elastic spring 1-100.

[0357] In one embodiment, the convex ring 1-112 is formed by folding the edge of the first limiting hole 1-111 of the first base 1-110 toward the direction close to the dynamic spring assembly 3100. In the embodiment of the present application, by providing the convex ring 1-112 on the edge of the first limiting hole 1-111, the friction between the first limiting protrusion 3214 and the first base 1-110 can be reduced when the first base 1-110 and the push rod 3210 are assembled, and the generation of scraping can be prevented. At the same time, the convex ring 1-112 cooperates with the second limiting hole 1-311 of the second elastic spring 1-300a, and can also prevent the second elastic spring 1-300a from rotating relative to the first elastic spring 1-100. In addition, the folded convex ring 1-112 can increase the contact area between the first limiting protrusion 3214 and the first base 1-110, reducing the wear between the first limiting protrusion 3214 and the first base 1-110 during movement.

[0358] As shown in FIG54 , the raised ring 1-112 has a top surface 1-112a facing away from the first base portion 1-110, and a chamfer 1-113 is provided at the junction of the top surface 1-112a and the inner ring surface 1-112b. Providing the chamfer 1-113 at the junction of the top surface 1-112a and the inner ring surface 1-112b eliminates burrs generated during the molding process of the raised ring 1-112 and further prevents scraping between the first limiting protrusion 3214 and the inner ring surface 1-112b of the raised ring 1-112.

[0359] It is understood that in other embodiments, the second anti-rotation structure 1-400 may also include a riveted structure, a welded structure, an adhesive structure, etc. When the second anti-rotation structure 1-400 is a riveted structure, the first elastic spring 1-100 and the second elastic spring 1-300a are riveted; when the second anti-rotation structure 1-400 is a welded structure, the first elastic spring 1-100 and the second elastic spring 1-300a are welded; when the second anti-rotation structure 1-400 is an adhesive structure, the first elastic spring 1-100 and the second elastic spring 1-300a are adhesively bonded.

[0360] In another embodiment, the second anti-rotation structure 1-400 may further include a fastener, which fastens the first elastic spring 1-100 and the second elastic spring 1-300a.

[0361] Referring back to Figures 50 and 52 , the second elastic spring 1-300a is disposed on the side of the movable spring assembly 3100 facing away from the static contact lead-out terminal 2000. The second elastic spring 1-300a includes a second base 1-310, a first deformable portion 1-320, and a first connecting portion 1-330. The second base 1-310 is mounted on one of the first elastic spring 1-100 and the movable spring assembly 3100 via a second anti-rotation structure 1-400. The first deformable portion 1-320 and the first connecting portion 1-330 are provided on both sides of the second base 1-310 along the first direction D1. The second base 1-310 is connected to the first connecting portion 1-330 via the first deformable portion 1-320. The first connecting portion 1-330 is connected to the other of the first elastic spring 1-100 and the movable spring assembly 3100 via a third anti-rotation structure 1-700.

[0362] In the embodiment of the present application, the first connecting portion 1-330 of the second elastic spring 1-300a is connected to the dynamic spring assembly 3100 via the third anti-rotation structure 1-700, and the second base 1-310 is mounted on the first base 1-110 of the first elastic spring 1-100 via the second anti-rotation structure 1-400. In this way, the second elastic spring 1-300a can position the dynamic spring assembly 3100 in the second direction D2 and limit the dynamic spring assembly 3100 in the first direction D1 and the third direction D3. Thus, the second elastic spring 1-300a limits the dynamic spring assembly 3100, preventing the dynamic spring assembly 3100 from rotating relative to the push rod 3210, thereby preventing the dynamic and static contacts from being misaligned and affecting the reliability of the relay. In addition, the dynamic spring assembly 3100 is limited by the second elastic spring 1-300a, avoiding the ripple sound generated by the contact between the dynamic spring assembly 3100 and the contact bracket when the dynamic spring assembly 3100 is energized.

[0363] Furthermore, since the dynamic spring assembly 3100 does not rotate, it can, to a certain extent, reduce or even prevent contact between the dynamic spring assembly 3100 and the sidewall of the contact holder 3220, thereby avoiding the generation of large corrugation noise (metal friction noise). Furthermore, it prevents the increase in the mating clearance caused by increased friction and wear, which in turn leads to increased deflection force and frictional resistance. Furthermore, it also reduces the generation of metal particles due to friction between the dynamic spring assembly 3100 and the contact holder 3220, reducing the probability of metal particles falling on the contact surface, thereby reducing the risk of increased contact resistance or even non-conduction.

[0364] In the over-travel process, the push rod 3210 continues to move toward the dynamic spring assembly 3100. At this time, the first deformation part 1-320 is compressed and deformed, which does not affect the over-travel.

[0365] In addition, since the first elastic spring 1-100 is used to provide contact pressure, and the second elastic spring 1-300a does not need to provide contact pressure, the thickness of the second elastic spring 1-300a can be smaller than the thickness of the first elastic spring 1-100, thereby reducing the stress at the bending point of the second elastic spring 1-300a and avoiding fatigue fracture of the second elastic spring 1-300a.

[0366] In the embodiment of the present application, two first deformable portions 1-320 and two first connecting portions 1-330 are provided on both sides of the second base portion 1-310 along the first direction D1. One side of the second base portion 1-310 is connected to the two first connecting portions 1-330 via the two first deformable portions 1-320. The two first deformable portions 1-320 located on one side of the second base portion 1-310 are arranged side by side along the third direction D3. The two first connecting portions 1-330 located on one side of the second base portion 1-310 are respectively connected to the two second magnetic conductors 6200.

[0367] It can be seen that in the embodiment of the present application, each movable spring piece 3110 corresponds to a pair of first connecting parts 1-330. In this way, when the contact gaps between the multiple movable spring pieces 3110 and the static contact lead-out ends are inconsistent, the multiple movable spring pieces 3110 will not interfere with each other.

[0368] As shown in FIG50 , along the first direction D1, the first connecting portion 1-330 on one side of the second base portion 1-310 forms a first connection 1-700a with the dynamic spring assembly 3100, and the first connecting portion 1-330 on the other side of the second base portion 1-310 forms a second connection 1-700b with the dynamic spring assembly 3100. A first distance L1 is defined between the first connection 1-700a and the second connection 1-700b. A second distance L2 is defined between the first deformable portions 1-320 on either side of the second base portion 1-310. The first distance L1 is less than the second distance L2. The second distance L2 is the maximum distance between the first deformable portions 1-320 on either side of the second base portion 1-310.

[0369] In the embodiment of the present application, because the first distance L1 is less than the second distance L2, during overtravel, the second elastic spring 1-300a is compressed by the push rod 3210 and the dynamic spring assembly 3100, causing the first deformable portions 1-320 on either side of the second base 1-310 to deform in a direction away from each other (the first deformable portions 1-320 on either side expand outward), thereby preventing the second elastic spring 1-300a from becoming stuck and unable to provide contact pressure. Furthermore, because the first distance L1 is less than the second distance L2, the first deformable portions 1-320 on either side of the second base 1-310 are essentially bent in a direction toward each other, thereby reducing the overall volume of the second elastic spring 1-300a and lowering its space utilization.

[0370] Of course, in other embodiments, when the internal space of the relay is large enough, the first distance L1 may also be greater than the second distance L2.

[0371] As shown in Figures 50 and 52, the third anti-rotation structure 1-700 includes at least two third limiting protrusions 1-710 and at least two third limiting holes 1-720. The at least two third limiting protrusions 1-710 are provided on one of the second elastic spring 1-300a and the dynamic spring assembly 3100, and the at least two third limiting holes 1-720 are provided on the other of the second elastic spring 1-300a and the dynamic spring assembly 3100. The at least two third limiting protrusions 1-710 are respectively inserted into the at least two third limiting holes 1-720.

[0372] In the embodiment of the present application, there are four third limiting holes 1-720 and four third limiting protrusions 1-710. The four third limiting holes 1-720 are respectively provided on the four first connecting portions 1-330, and the four third limiting protrusions 1-710 are provided on the two second magnetic conductors 6200, with each second magnetic conductor 6200 provided with two third limiting protrusions 1-710.

[0373] It is understood that, in other embodiments, the third anti-rotation structure 1-700 may further include a riveted structure, a welded structure, an adhesive structure, etc. When the third anti-rotation structure 1-700 is a riveted structure, the second base 1-310 is riveted to the first elastic spring 1-100 or the dynamic spring assembly 3100; when the third anti-rotation structure 1-700 is a welded structure, the second base 1-310 is welded to the first elastic spring 1-100 or the dynamic spring assembly 3100; when the third anti-rotation structure 1-700 is an adhesive structure, the second base 1-310 is adhesively bonded to the first elastic spring 1-100 or the dynamic spring assembly 3100.

[0374] In another embodiment, the third anti-rotation structure 1-700 may further include a fastener that fastens the first elastic spring 1-100 and one of the dynamic spring assembly 3100 to the second elastic spring 1-300a.

[0375] In one embodiment, the elastic assembly 3300 is connected to the push rod assembly 3200 in a position-limiting manner along the first direction D1; and / or the position-limiting assembly 1-300 is connected to the dynamic spring assembly 3100 in a position-limiting manner along the first direction D1; and / or the position-limiting assembly 1-300 is connected to the elastic assembly 3300 in a position-limiting manner along the first direction D1. This reduces the potential for movement of the dynamic spring assembly 3100 relative to the push rod assembly 3200 in the first direction D1, thereby improving the overall shock resistance of the relay.

[0376] Preferably, the elastic assembly 3300 is connected to the push rod assembly 3200 in a limited position along the first direction D1, and the limiting assembly 1-300 is connected to the dynamic spring assembly 3100 in a limited position along the first direction D1. Furthermore, the limiting assembly 1-300 is connected to the elastic assembly 3300 in a limited position along the first direction D1. In this way, when the relay encounters a large impact, the movable contact and the static contact will not shift, thus preventing unstable contact resistance.

[0377] In another embodiment, the third limiting hole 1-720 is elliptical in shape, and the major axis of the ellipse is parallel to the first direction D1. By designing the third limiting hole 1-720 to be elliptical, before the dynamic and static contacts make contact, the third limiting protrusion 1-710 is limited to the outer edge of the third limiting hole 1-720, so that the dynamic spring assembly 3100 does not move. After the dynamic and static contacts make contact, the second elastic spring 1-300a is compressed, and the first connecting portion and the first deforming portion on both sides of the second base 1-310 have a tendency to move to both sides. At this time, the elliptical third limiting hole 1-720 can provide space for the first connecting portion 1-330 to move, so as to release the stress generated inside the second elastic spring 1-300a after being compressed, thereby preventing the internal stress of the second elastic spring 1-300a from being too concentrated and affecting its service life.

[0378] In addition, it is worth noting that since the distance that the first connecting portion 1-330 moves within the ellipse is small, it does not affect the relative position of the moving contact and the static contact.

[0379] It is understandable that the first anti-rotation structure 1-200, the second anti-rotation structure 1-400 and the third anti-rotation structure 1-700 may be the same or different.

[0380] As shown in Figures 55 and 56, the similarities between the dynamic assembly of the eighteenth embodiment of the present application and the dynamic assembly of the seventeenth embodiment are not repeated here. The difference is that the second elastic spring 1-300a includes a second base 1-310, a first deforming portion 1-320, and a first connecting portion 1-330. The second base 1-310 is connected to the dynamic spring assembly 3100 through a second anti-rotation structure 1-400. The first deforming portion 1-320 and the first connecting portion 1-330 are provided on both sides of the first direction D1 of the second base 1-310. The second base 1-310 is connected to the first connecting portion 1-330 through the first deforming portion 1-320, and the first connecting portion 1-330 is connected to the first base 1-110 of the first elastic spring 1-100 through a third anti-rotation structure 1-700.

[0381] In the embodiment of the present application, the second base portion 1-310 is connected to the second magnetic conductor 6200 via the second anti-rotation structure 1-400. The second limiting hole 1-311 of the second anti-rotation structure 1-400 is provided on the second base portion 1-310, and the second limiting protrusion 1-410 is provided on the second magnetic conductor 6200. The third limiting hole 1-720 of the third anti-rotation structure 1-700 is provided on the first connecting portion 1-330, and the third limiting protrusion 1-710 is provided on the first base portion 1-110.

[0382] As shown in Figures 57 and 58, the similarities between the movable assembly of the nineteenth embodiment of the present application and the movable assembly of the seventeenth embodiment are not repeated here. The difference lies in that the second base portion 1-310 of the second elastic spring 1-300a is connected to the first base portion 1-110 of the first elastic spring 1-100 via a second anti-rotation structure 1-400. The first connecting portions 1-330 on both sides of the second base portion 1-310 are respectively inserted between the second magnetic conductor 6200 and the movable spring 3110 along the first direction D1 by the second magnetic conductor 6200, and are fixedly connected to the movable spring 3110 and the second magnetic conductor 6200.

[0383] As shown in FIG59 , the similarities between the movable assembly of the twentieth embodiment of the present application and the movable assembly of the seventeenth embodiment are not repeated here. The difference is that the movable spring assembly 3100 includes a movable spring leaf 3110 and a second magnetic conductor 6200. A spring arm 1-120 is provided on both sides of the first base portion 1-110, and a first deforming portion 1-320 and a first connecting portion 1-330 are provided on both sides of the second base portion 1-310.

[0384] As shown in FIG60 , the similarities between the movable assembly of the twenty-first embodiment of the present application and the movable assembly of the seventeenth embodiment are not repeated here, and the differences are as follows:

[0385] The dynamic spring assembly 3100 includes three dynamic spring pieces 3110 arranged side by side and three second magnetic conductors 6200. Three spring arms 1-120 are provided on both sides of the first base 1-110, and three first deformable portions 1-320 and three first connecting portions 1-330 are provided on both sides of the second base 1-310. The three spring arms 1-120 on one side of the first base 1-110 respectively abut against one end of the three dynamic spring pieces 3110, while the three spring arms 1-120 on the other side of the first base 1-110 respectively abut against the other ends of the three dynamic spring pieces 3110. The six first connecting portions 1-330 on both sides of the second base 1-310 are divided into three pairs, with the two first connecting portions 1-330 in each pair being arranged opposite each other in the first direction D1. The three pairs of first connecting portions 1-330 are respectively connected to the three second magnetic conductors 6200 in a one-to-one correspondence.

[0386] As shown in FIG61 , the similarities between the movable assembly of the twenty-second embodiment of the present application and the movable assembly of the seventeenth embodiment are not repeated here, and the differences are as follows:

[0387] The elastic component 3300 is a compression spring 1-600. The compression spring 1-600 is disposed within a chamber 1-800 formed by the second elastic spring 1-300a and the second magnetic conductor 6200. One end of the compression spring 1-600 abuts the second magnetic conductor 6200, while the other end of the compression spring 1-600 abuts the second base 1-310 of the second elastic spring 1-300a. The compression spring 1-600 is used to provide contact pressure.

[0388] Of course, in other embodiments, the second base portion 1-310 of the second elastic spring 1-300a may also be connected to the second magnetic conductor 6200 of the dynamic spring assembly 3100, while the first connecting portion 1-330 of the second elastic spring 1-300a is connected to the push rod assembly 3200. The compression spring 1-600 is accommodated in a chamber enclosed by the second elastic spring 1-300a and the push rod assembly 3200. One end of the compression spring 1-600 abuts against the push rod assembly 3200, and the other end of the compression spring 1-600 abuts against the second base portion 1-310 of the second elastic spring 1-300a. In other embodiments, the limiting assembly 1-300 is not limited to the second elastic spring 1-300a with a spring structure. For example, the limiting assembly 1-300 may also include a telescopic rod, one end of the telescopic rod is connected to the dynamic spring assembly 3100, and the other end of the telescopic rod is connected to the first elastic spring 1-100 or the push rod assembly 3200, and the telescopic rod can be extended and retracted along the second direction D2; in another embodiment, the limiting assembly 1-300 may also include at least two compression springs, one end of each compression spring is limitedly connected or fixedly connected to the first elastic spring 1-100, and the other end of each compression spring is limitedly connected or fixedly connected to the dynamic spring assembly 3100.

[0389] As shown in FIG63 and FIG64 , the similarities between the movable assembly of the twenty-third embodiment of the present application and the movable assembly of the seventeenth embodiment are not repeated here, and the differences are as follows:

[0390] Anti-rotation mechanism 300 comprises an elastic assembly 3300, which is connected to push rod assembly 3200 via a first anti-rotation structure 1-200 and to dynamic spring assembly 3100 via a second anti-rotation structure 1-400. Elastic assembly 3300 is used to provide contact pressure and to limit rotation of dynamic spring assembly 3100 relative to push rod assembly 3200 around the axis of push rod assembly 3200.

[0391] The elastic component 3300 is a third elastic spring 2-100. As an example, the third elastic spring 2-100 is a sheet structure made of metal material and formed by bending.

[0392] The third elastic spring 2-100 includes a third base 2-110, a second connecting portion 2-120, and a second deforming portion 130. The third base 2-110 is connected to the push rod assembly 3200 via a first anti-rotation structure 1-200. The third base 2-110 is provided with a second connecting portion 2-120 and a second deforming portion 130 on both sides along the first direction D1. The third base 2-110 is connected to the second connecting portion 2-120 via the second deforming portion 130. The second connecting portion 2-120 of the third elastic spring 2-100 is connected to the dynamic spring assembly 3100 via a second anti-rotation structure 1-400. The second deforming portion 130 is used to generate deformation to provide contact pressure.

[0393] As shown in Figure 65, the third elastic spring 2-100 is arranged on the side of the movable spring 3110 facing away from the static contact lead-out end 2000, and two second connecting parts 2-120 and two second deformation parts 130 are provided on each side of the first direction D1 of the third base 2-110. The third base 2-110 is connected to the two second connecting parts 2-120 through the two second deformation parts 130 on each side along the first direction D1.

[0394] In an embodiment of the present application, the third elastic spring 2-100 includes a third base 2-110, a second connecting portion 2-120 and a second deforming portion 130. The third base 2-110 is connected to the push rod assembly 3200 through a first anti-rotation structure 1-200, and the second connecting portion 2-120 is connected to the dynamic spring assembly 3100 through a second anti-rotation structure 1-400. The second deforming portion 130 can be deformed to provide contact pressure. The dynamic spring assembly 3100 is connected to the push rod assembly 3200 through the third elastic spring 2-100, thereby avoiding rotation of the dynamic spring assembly 3100 relative to the push rod assembly 3200, thereby ensuring the consistency of the contact position between the dynamic spring assembly 3100 and the static contact lead-out terminal 2000, thereby improving the reliability of the relay.

[0395] Furthermore, since the dynamic spring assembly 3100 does not rotate, it can, to a certain extent, reduce or even prevent contact between the dynamic spring assembly 3100 and the sidewall of the contact holder 3220, thereby avoiding the generation of large corrugation noise (metal friction noise). Furthermore, it prevents the increase in the mating clearance caused by increased friction and wear, which in turn leads to increased deflection force and frictional resistance. Furthermore, it also reduces the generation of metal particles due to friction between the dynamic spring assembly 3100 and the contact holder 3220, reducing the probability of metal particles falling on the contact surface, thereby reducing the risk of increased contact resistance or even non-conduction.

[0396] It should be noted that the first anti-rotation structure 1-200 is used to limit the relative rotation between the third elastic spring 2-100 and the push rod assembly 3200 around the axis of the push rod assembly 3200, and the second anti-rotation structure 1-400 is used to limit the relative rotation between the third elastic spring 2-100 and the dynamic spring assembly 3100 around the axis of the push rod assembly 3200, so that the third elastic spring 2-100 can limit the rotation of the dynamic spring assembly 3100 relative to the push rod assembly 3200 around the axis of the push rod assembly 3200.

[0397] In other embodiments, the third base 2-110 is connected to the dynamic spring assembly 3100 through the second anti-rotation structure 1-400, and the second connecting portion 2-120 is connected to the push rod 3210 through the first anti-rotation structure 1-200.

[0398] As shown in FIG64 , the third elastic spring 2-100 and the movable spring 3110 together form a receiving cavity 2-200 for accommodating the second magnetic conductor 6200. The receiving cavity 2-200 can serve to avoid the second magnetic conductor 6200, thereby preventing interference between the third elastic spring 2-100 and the second magnetic conductor 6200 during overtravel.

[0399] As shown in FIG64 and FIG73 , along the first direction D1, the second connecting portion 2-120 on one side of the third base portion 2-110 forms a third connection 400a with the dynamic spring assembly 3100, and the second connecting portion 2-120 on the other side of the third base portion 2-110 forms a fourth connection 400b with the dynamic spring assembly 3100. A third distance L3 is defined between the third connection 400a and the fourth connection 400b. A fourth distance L4 is defined between the second deformable portions 130 on both sides of the third base portion 2-110, and the third distance L3 is smaller than the fourth distance L4. The fourth distance L4 is the maximum distance between the second deformable portions 130 on both sides of the third base portion 2-110.

[0400] In the embodiment of the present application, because the third distance L3 is less than the fourth distance L4, during overtravel, the third elastic spring 2-100 is compressed by the push rod 3210 and the dynamic spring assembly 3100, causing the second deformable portions 130 on either side of the third base portion 2-110 to deform in a direction away from each other (the second deformable portions 130 on either side expand outward), thereby preventing the third elastic spring 2-100 from becoming stuck and unable to provide contact pressure. Furthermore, because the third distance L3 is less than the fourth distance L4, the second deformable portions 130 on either side of the third base portion 2-110 are essentially bent in a direction toward each other, thereby reducing the overall volume of the third elastic spring 2-100 and lowering its space utilization.

[0401] Of course, in other embodiments, when the internal space of the relay is large enough, the third distance L3 may also be greater than the fourth distance L4.

[0402] The second deformation portions 130 on both sides of the third base 2 - 110 are respectively bent from both sides of the third base 2 - 110 in a direction away from each other, and then bent in a direction close to the dynamic spring assembly 3100 and close to each other.

[0403] As shown in Figure 64, the second connecting parts 2-120 on both sides of the third base 2-110 of the third elastic spring 2-100 are respectively connected to the two ends of the first direction D1 of the dynamic spring 3110, so that the dynamic spring assembly 3100 can be more stably connected to the third elastic spring 2-100, further avoiding the shaking of the dynamic spring assembly 3100 and affecting the consistency of the contact.

[0404] As shown in Figures 64 to 66, the dynamic spring assembly 3100 includes at least two side-by-side dynamic springs 3110 and at least two second magnetic conductors 6200. The at least two second magnetic conductors 6200 are respectively fixedly connected to the at least two dynamic springs 3110. Each side of the third base portion 2-110 of the third elastic spring 2-100 is provided with at least two second deformable portions 130 and at least two second connecting portions 2-120. The third base portion 2-110 is connected to the push rod 3210 via a first anti-rotation structure 1-200. One side of the third base portion 2-110 is connected to the at least two second connecting portions 2-120 via the at least two second deformable portions 130. At least four second connecting portions 2-120 are connected to the at least two dynamic springs 3110 of the dynamic spring assembly 3100 via a second anti-rotation structure 1-400.

[0405] In the embodiment of the present application, the dynamic spring assembly 3100 includes two dynamic spring pieces 3110 and two second magnetic conductors 6200. Two second deformable portions 130 and two second connecting portions 2-120 are provided on each side of the third base portion 2-110. The four second connecting portions 2-120 are divided into two pairs, with each pair of second connecting portions 2-120 positioned opposite each other in the first direction D1 of the dynamic spring pieces 3110. The two pairs of second connecting portions 2-120 are connected to the two dynamic spring pieces 3110 via a second anti-rotation structure 1-400.

[0406] It can be seen that in the embodiment of the present application, each movable spring piece 3110 corresponds to a pair of second connecting parts 2-120. In this way, when the contact gaps between the multiple movable spring pieces 3110 and the static contact lead-out ends are inconsistent, the multiple movable spring pieces 3110 will not interfere with each other.

[0407] As shown in FIG. 64 and FIG. 65 , each second deformation portion 130 includes a first segment 131 , a second segment 132 , and a third segment 133 . One end of the first section 131 is connected to the third base 2-110; one end of the second section 132 is connected to the other end of the first section 131; the second section 132 is bent from the first section 131 in a direction away from the dynamic spring assembly 3100, and the second sections 132 on both sides of the third base 2-110 are tilted relative to the axis of the push rod assembly 3200 in a direction away from each other; one end of the third section 133 is connected to the other end of the second section 132; the third section 133 is bent from the second section 132 in a direction close to the dynamic spring assembly 3100, and the third sections 133 on both sides of the third base 2-110 are tilted relative to the axis of the push rod assembly 3200 in a direction close to each other; wherein, the other end of the third section 133 is connected to the second connecting portion 2-120, and the second connecting portions 2-120 on both sides of the third base 2-110 extend from the third section 133 in a direction close to each other.

[0408] Furthermore, a first bending connection 136 is formed between the first section 131 and the second section 132 of each second deformation portion 130 ; along the second direction D2 , the second connection portion 2 - 120 corresponds to the position of the first bending connection 136 .

[0409] As shown in Figures 65, 67, and 68, in one embodiment, the third base portion 2-110 can be a sheet-like structure. The first anti-rotation structure 1-200 includes at least two first limiting holes 1-111 and at least two first limiting protrusions 3214. The at least two first limiting holes 1-111 are provided on one of the elastic component 3300 and the push rod component 3200, and the at least two first limiting protrusions 3214 are provided on the other of the elastic component 3300 and the push rod component 3200.

[0410] In the embodiment of the present application, at least two first limiting holes 1-111 are provided in the third base portion 2-110. The first limiting holes 1-111 can penetrate both sides of the third base portion 2-110 in the thickness direction. At least two first limiting protrusions 3214 are provided on a side of the push rod 3210 facing the dynamic spring assembly 3100. The at least two first limiting protrusions 3214 are inserted into the at least two first limiting holes 1-111.

[0411] In the embodiment of the present application, at least two first limiting protrusions 3214 are provided on the side of the base 3211 of the push rod 3210 facing the static contact lead-out terminal 2000 , and the at least two first limiting protrusions 3214 are arranged side by side along the third direction D3 .

[0412] It should be noted that, since the first anti-rotation structure 1-200 of the embodiment of the present application includes at least two first limiting protrusions 3214 and first limiting holes 1-111 that cooperate with each other, the shape of the first limiting hole 1-111 can be circular.

[0413] Of course, in other embodiments, the first anti-rotation structure 1-200 may further include a first limiting protrusion 3214 and a first limiting hole 1-111, and the first limiting hole 1-111 may be shaped as a non-circular shape such as a rectangle, an ellipse, or a triangle. The first limiting protrusion 3214 matches the shape of the first limiting hole 1-111 and is inserted into the first limiting hole 1-111, thereby preventing relative rotation between the push rod 3210 and the third elastic spring 2-100.

[0414] It can be understood that the first anti-rotation structure 1-200 can prevent the third elastic spring 2-100 from rotating with an axis perpendicular to the plane where the dynamic spring 3110 is located as the rotation axis.

[0415] It is understood that, in other embodiments, the first anti-rotation structure 1-200 may also include a riveted structure, a welded structure, an adhesive structure, etc. When the first anti-rotation structure 1-200 is a riveted structure, the third base 2-110 is riveted to the push rod assembly 3200; when the first anti-rotation structure 1-200 is a welded structure, the third base 2-110 is welded to the push rod assembly 3200; when the first anti-rotation structure 1-200 is an adhesive structure, the third base 2-110 is adhesively bonded to the push rod assembly 3200.

[0416] In another embodiment, the first anti-rotation structure 1-200 may further include a fastener, which fastens the third elastic spring 2-100 and the push rod assembly 3200.

[0417] As shown in FIG68 , a convex ring 1-112 surrounding the first limiting hole 1-111 is provided on the side of the third base portion 2-110 facing the movable spring 3110. The inner annular surface 1-112b of the convex ring 1-112 is flush with the wall of the first limiting hole 1-111. Furthermore, the convex ring 1-112 is formed by folding the edge of the first limiting hole 1-111 of the third base portion 2-110 toward the movable spring 3110. Providing the convex ring 1-112 on the edge of the first limiting hole 1-111 reduces friction between the first limiting protrusion 3214 and the third base portion 2-110 when the third base portion 2-110 is assembled with the push rod 3210, thereby preventing the generation of scraping debris. In addition, the convex ring 1-112 formed by the folding can increase the contact area between the first limiting protrusion 3214 and the third base 2-110, thereby reducing the wear between the first limiting protrusion 3214 and the third base 2-110 during movement.

[0418] The raised ring 1-112 has a top surface 1-112a facing away from the third base portion 2-110, and a chamfer 1-113 is provided at the junction of the top surface 1-112a and the inner ring surface 1-112b. Providing the chamfer 1-113 at the junction of the top surface 1-112a and the inner ring surface 1-112b eliminates burrs generated during the molding process of the raised ring 1-112 and further prevents scraping between the first limiting protrusion 3214 and the inner ring surface 1-112b of the raised ring 1-112.

[0419] As shown in Figures 64 and 65, the second anti-rotation structure 1-400 includes at least two second limiting holes 1-311 and at least two second limiting protrusions 1-400, at least two second limiting holes 1-311 are arranged on one of the elastic component 3300 and the dynamic spring component 3100, and at least two second limiting protrusions 1-400 are arranged on the other of the elastic component 3300 and the dynamic spring component 3100.

[0420] In the embodiment of the present application, there are four second limiting holes 1-311 and four second limiting protrusions 1-400. The four second limiting holes 1-311 are respectively provided on the four second connecting portions 2-120, and the four second limiting protrusions 1-400 are provided on the two movable spring pieces 3110 of the movable spring assembly 3100. A second limiting protrusion 1-400 is provided at each end of each movable spring piece 3110.

[0421] It is understood that, in other embodiments, the second anti-rotation structure 1-400 may further include a riveted structure, a welded structure, an adhesive structure, etc. When the second anti-rotation structure 1-400 is a riveted structure, the third base 2-110 is riveted to the push rod assembly 3200; when the second anti-rotation structure 1-400 is a welded structure, the third base 2-110 is welded to the push rod assembly 3200; when the second anti-rotation structure 1-400 is an adhesive structure, the third base 2-110 is adhesively bonded to the push rod assembly 3200.

[0422] In another embodiment, the second anti-rotation structure 1-400 may further include a fastener, which fastens the third elastic spring 2-100 and the dynamic spring assembly 3100.

[0423] It is understood that the first anti-rotation structure 1-200 and the second anti-rotation structure 1-400 may be the same or different. For example, the first anti-rotation structure 1-200 and the second anti-rotation structure 1-400 may both be position-limiting connection structures or fixed connection structures; or the first anti-rotation structure 1-200 may be a position-limiting connection structure, and the second anti-rotation structure 1-400 may be a fixed connection structure.

[0424] In one embodiment, the elastic assembly 3300 is connected to the movable spring assembly 3100 in a limited position in the first direction D1; and / or the elastic assembly 3300 is connected to the push rod assembly 3200 in a limited position in the first direction D1. This reduces the amplitude of movement of the movable spring assembly 3100 relative to the push rod assembly 3200 in the first direction D1, thereby improving the overall shock resistance of the relay.

[0425] Preferably, the elastic assembly 3300 is connected to the movable spring assembly 3100 in a first direction D1, and the elastic assembly 3300 is connected to the push rod assembly 3200 in a first direction D1. In this way, when the relay encounters a large impact, the movable contact and the static contact will not shift, thus avoiding unstable contact resistance.

[0426] In another embodiment, as shown in Figures 74 and 75, each second limiting hole 1-311 of the second anti-rotation structure 1-400 is elliptical in shape, and the major axis of the ellipse is parallel to the first direction D1. By designing the second limiting hole 1-311 to be elliptical, before the dynamic and static contacts come into contact, the second limiting protrusion 1-400 is limited to the outer edge of the second limiting hole 1-311, so that the dynamic spring assembly 3100 does not move (as shown in Figure 74). After the dynamic and static contacts come into contact, the third elastic spring 2-100 is compressed, and the second connecting portions 2-120 and the second deforming portions 130 on both sides of the third base 2-110 have a tendency to move to both sides. At this time, the elliptical second limiting hole 1-311 can provide space for the second connecting portion 2-120 to move, so as to release the stress generated inside the third elastic spring 2-100 after being compressed, thereby preventing the internal stress of the third elastic spring 2-100 from being too concentrated and affecting its service life.

[0427] In addition, it is worth noting that since the distance that the second connecting portion 2-120 moves within the ellipse is small, it does not affect the relative position of the moving contact and the static contact.

[0428] As shown in Figures 69 and 70, the similarities between the dynamic component of the twenty-fourth embodiment of the present application and the dynamic component of the twenty-third embodiment are no longer repeated. The difference is that the second connecting parts 2-120 on both sides of the third base 2-110 are connected to the two ends of the second magnetic conductor 6200 along the first direction D1 through the second anti-rotation structure 1-400.

[0429] Each second deformable portion 130 of the third elastic spring 2-100 includes a fourth segment 134 and a fifth segment 135. One end of the fourth segment 134 is connected to the third base portion 2-110. The fifth segment 135 is arc-shaped, with one end of the fifth segment 135 connected to the other end of the fourth segment 134. The fifth segment 135 extends along an arc from the fourth segment 134 to the second connecting portion 2-120. The second connecting portions 2-120 on both sides of the third base portion 2-110 extend toward each other from the fifth segment 135.

[0430] Furthermore, a second bend connection 137 is formed between the fifth section 135 and the fourth section 134, and a third bend connection 138 is formed between the fifth section 135 and the second connecting portion 2-120. Along the second direction D2, the second bend connection 137 and the third bend connection 138 are located at corresponding positions.

[0431] As shown in FIG. 71 , the similarities between the movable assembly of the twenty-fifth embodiment of the present application and the movable assembly of the twenty-third embodiment are not repeated here. The differences are as follows: the movable spring assembly 3100 includes a movable spring piece 3110 and a second magnetic conductor 6200, and the relay includes a third elastic spring piece 2-100. Each side of the third base portion 2-110 of the third elastic spring piece 2-100 is provided with a second connecting portion 2-120 and a second deforming portion 130.

[0432] In addition, the two first limiting protrusions 3214 of the first anti-rotation structure 1-200 may also be arranged along the first direction D1.

[0433] As shown in FIG72 , the similarities between the dynamic assembly of the twenty-sixth embodiment of the present application and the dynamic assembly of the twenty-third embodiment are not repeated here. The difference lies in that the dynamic spring assembly 3100 includes three dynamic spring pieces 3110 and three second magnetic conductors 6200. Each side of the third base portion 2-110 of the third elastic spring piece 2-100 is provided with three second connecting portions 2-120 and three second deforming portions 130. The three second connecting portions 2-120 and the three second deforming portions 130 are arranged side by side along the third direction D3. Each side of the third base portion 2-110 is connected to the three second connecting portions 2-120 via three second deforming portions 130. The first anti-rotation structure 1-200 includes three first limiting protrusions 3214 and three first limiting holes 1-111.

[0434] It should be noted that the elastic component 3300 is not limited to the use of the third elastic spring 2-100. For example, the elastic component 3300 can also include at least two compression springs, one end of the at least two compression springs is connected to the push rod 3210 through the first anti-rotation structure 1-200, and the other end of the at least two compression springs is connected to the dynamic spring component 3100 through the second anti-rotation structure 1-400.

[0435] It is understandable that the various embodiments / implementations provided in this application can be combined with each other without causing any contradiction, and they will not be illustrated one by one here.

[0436] In the application examples, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance; the term "plurality" refers to two or more, unless otherwise expressly defined. Terms such as "installed", "connected", "connected", and "fixed" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; "connected" can mean a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the application examples can be understood according to the specific circumstances.

[0437] In the description of the application embodiments, it should be understood that the terms "up", "down", "left", "right", "front", "back", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the application embodiments and simplifying the description, and do not indicate or imply that the device or unit referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the application embodiments.

[0438] Throughout this specification, terms such as "one embodiment," "some embodiments," and "specific embodiments" mean that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the claimed invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0439] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A relay, characterized in that: include: A pair of static contact terminals; A dynamic spring assembly, comprising a dynamic spring piece, wherein two ends of the dynamic spring piece along a first direction are used to contact or separate from a pair of static contact lead-out terminals respectively; the first direction is the arrangement direction of the pair of static contact lead-out terminals; A push rod assembly, used to push the movable spring assembly to move so that the movable spring piece contacts or separates from the static contact lead-out end; as well as The anti-rotation mechanism is connected to the dynamic spring assembly and / or the push rod assembly and is used to limit the rotation of the dynamic spring assembly relative to the push rod assembly around the axis of the push rod assembly.

2. The relay according to claim 1, characterized in that: The dynamic spring assembly has a first side surface and a second side surface arranged opposite to each other along a third direction; wherein the movement direction of the dynamic spring piece is defined as a second direction, and the first direction, the second direction and the third direction are perpendicular to each other; The push rod assembly includes a contact bracket; the contact bracket has a first side wall and a second side wall arranged opposite to each other along the third direction, the first side wall corresponds to the first side surface, and the second side wall corresponds to the second side surface; The anti-rotation mechanism includes a first anti-rotation component and a second anti-rotation component; the first anti-rotation component is arranged on the first side wall and the first side surface, and is used to form a first anti-rotation force between the first side wall and the first side surface; the second anti-rotation component is arranged on the second side wall and the second side surface, and is used to form a second anti-rotation force between the second side wall and the second side surface.

3. The relay according to claim 2, characterized in that: The first anti-rotation component includes a first anti-rotation part, and the second anti-rotation component includes a second anti-rotation part. The first anti-rotation part is arranged between the first side wall and the first side surface, and the second anti-rotation part is arranged between the second side wall and the second side surface.

4. The relay according to claim 3, characterized in that: The first anti-rotation component and the second anti-rotation component are both sheet structures made of flexible material; The first side wall has a first inner side surface facing the dynamic spring assembly, and the first anti-rotation component is attached to the first inner side surface or the first side surface; the second side wall has a second inner side surface facing the dynamic spring assembly, and the second anti-rotation component is attached to the second inner side surface or the second side surface.

5. The relay according to claim 3, characterized in that: The first anti-rotation component and the second anti-rotation component are both spring pieces; The first anti-rotation member is squeezed between the first side wall and the first side surface of the dynamic spring assembly, and is used to provide a first elastic force to the dynamic spring assembly; the second anti-rotation member is squeezed between the second side wall and the second side surface of the dynamic spring assembly, and is used to provide a second elastic force to the dynamic spring assembly; The first elastic force is the first anti-rotation force, and the second elastic force is the second anti-rotation force; The first elastic force is in opposite directions to the second elastic force.

6. The relay according to claim 5, characterized in that: The first anti-rotation component and the second anti-rotation component each include a connecting portion and a spring piece portion; The two connecting parts are respectively connected to the first side wall and the second side wall, and the two elastic leaf parts respectively extend from the two connecting parts in a direction away from the static contact lead-out end; the two elastic leaf parts are used to respectively provide the first elastic force and the second elastic force to the dynamic spring assembly.

7. The relay according to claim 6, characterized in that: The connecting portion of the first anti-rotation component is riveted to a first inner side surface of the first side wall facing the dynamic spring assembly, and the connecting portion of the second anti-rotation component is riveted to a second inner side surface of the second side wall facing the dynamic spring assembly.

8. The relay according to claim 6, characterized in that: The first side wall is provided with a first opening, and the second side wall is provided with a second opening; The connecting portion includes hooks, and two hooks are respectively hung on the lower edge of the first opening and the lower edge of the second opening.

9. The relay according to claim 6, characterized in that: The first side wall is provided with a first opening, and the second side wall is provided with a second opening; Each of the connecting parts comprises a clamping structure, and the clamping structures of the two connecting parts are clamped in the first opening and the second opening respectively.

10. The relay according to claim 9, characterized in that: The first side wall is further provided with a first connection hole, and the second side wall is further provided with a second connection hole; Each of the connecting parts further includes a convex bump, and the convex bumps of the two connecting parts extend into the first connecting hole and the second connecting hole respectively, and are respectively interference-fitted with the first connecting hole and the second connecting hole.

11. The relay according to claim 6, characterized in that: The first side wall and the second side wall are both provided with protruding claws; Each of the connecting parts comprises a collar, and the collars of the two connecting parts are respectively sleeved on the outer periphery of the protruding claw of the first side wall and the outer periphery of the protruding claw of the second side wall.

12. The relay according to any one of claims 5 to 11, characterized in that: The anti-rotation mechanism also includes a transition piece; One end of the first anti-rotation component and one end of the second anti-rotation component are respectively and integrally connected to two ends of the transition component along the third direction.

13. The relay according to claim 12, characterized in that: The transition piece has a central hole; The relay further comprises an elastic component, wherein the elastic component is connected to the dynamic spring component and the push rod component; the elastic component is used to provide contact pressure to the dynamic spring component; The elastic component is inserted into the central hole.

14. The relay according to claim 5, characterized in that: The anti-rotation mechanism also includes a transition piece; One end of the first anti-rotation component and one end of the second anti-rotation component are respectively and integrally connected to two ends of the transition component along the third direction; The transition piece is fixedly connected to the dynamic spring assembly.

15. The relay according to claim 14, characterized in that: The movable spring assembly further comprises a second magnetic conductor, which is fixedly connected to a side of the movable spring piece facing away from the static contact lead-out end; The transition piece is fixedly connected to the second magnetic conductor.

16. The relay according to claim 5, characterized in that The anti-rotation mechanism also includes a transition piece; One end of the first anti-rotation component and one end of the second anti-rotation component are respectively and integrally connected to two ends of the transition component along the third direction; The push rod assembly further includes a stop wall, and two ends of the stop wall along the third direction are respectively connected to the first side wall and the second side wall; The transition piece is fixedly connected to the stop wall.

17. The relay according to claim 16, characterized in that: The relay further comprises a first magnetic conductor, which is arranged on a side of the movable spring assembly facing the static contact lead-out end; The transition piece is disposed between the stop wall and the first magnetic conductor, and is fixedly connected to the stop wall and the first magnetic conductor.

18. The relay according to claim 3, characterized in that: The first anti-rotation component is integrally connected to the first side wall, and the second anti-rotation component is integrally connected to the second side wall.

19. The relay according to claim 3, characterized in that: During the entire movement of the push rod assembly, the first anti-rotation component always abuts between the first side wall and the first side surface, and the second anti-rotation component always abuts between the second side wall and the second side surface.

20. The relay according to claim 2, characterized in that The first anti-rotation component includes a first magnet connected to the first side surface and a second magnet connected to the first side wall, wherein the first magnet and the second magnet have magnetic poles facing each other with the same name, so that a first repulsive force is formed between the first magnet and the second magnet, and the first repulsive force is the first anti-rotation force; The second anti-rotation component includes a third magnet connected to the second side surface and a fourth magnet connected to the second side wall, wherein the magnetic poles facing each other of the third magnet and the fourth magnet are the same magnetic poles, so that a second repulsive force is formed between the third magnet and the fourth magnet, and the second repulsive force is the second anti-rotation force.

21. The relay according to claim 20, characterized in that The first side wall has a first inner side surface facing the dynamic spring assembly and a first outer side surface disposed opposite to the first inner side surface; the second magnet is connected to the first inner side surface or the first outer side surface; The second side wall has a second inner side surface facing the dynamic spring assembly and a second outer side surface disposed opposite to the second inner side surface; the fourth magnet is connected to the second inner side surface or the second outer side surface.

22. The relay according to claim 20, characterized in that The first magnet, the second magnet, the third magnet and the fourth magnet are permanent magnets.

23. The relay according to claim 1, characterized in that The anti-rotation mechanism is a limit assembly, which is connected to the dynamic spring assembly and the push rod assembly, and is used to limit the dynamic spring assembly from rotating relative to the push rod assembly around the axis of the push rod assembly, and the limit assembly can be deformed to adapt to overtravel; The relay further comprises an elastic component, wherein the elastic component is used for providing contact pressure.

24. The relay according to claim 23, characterized in that The elastic component is a first elastic spring; The first elastic spring is connected to one of the push rod assembly and the dynamic spring assembly, and abuts against the other of the push rod assembly and the dynamic spring assembly.

25. The relay according to claim 24, characterized in that The first elastic spring comprises a first base and a spring arm, the first base is connected to the push rod assembly via a first anti-rotation structure, and at least one spring arm is disposed at both ends of the first base along the first direction; The spring arms at two ends of the first base along the first direction are respectively in contact with two ends of the movable spring piece along the first direction.

26. The relay according to claim 25, characterized in that The first anti-rotation structure comprises: at least two first limiting protrusions, provided on one of the push rod assembly and the first base; and At least two first limiting holes are provided on the other of the pushing rod assembly and the first base; wherein at least two of the first limiting protrusions are respectively inserted into at least two of the first limiting holes.

27. The relay according to claim 23, characterized in that The limiting component is a second elastic spring leaf, which is connected to one of the elastic component and the dynamic spring component through a second anti-rotation structure, and is connected to the other of the elastic component and the dynamic spring component through a third anti-rotation structure.

28. The relay according to claim 27, characterized in that The second anti-rotation structure comprises: At least two second limiting protrusions are provided on one of the elastic component and the second elastic spring; At least two second limiting holes are provided on the other of the elastic component and the second elastic spring sheet; wherein at least two second limiting protrusions are respectively inserted into at least two second limiting holes.

29. The relay according to claim 28, characterized in that The elastic component is connected to the push rod component through a first anti-rotation structure; the first anti-rotation structure includes at least two first limiting protrusions and at least two first limiting holes, the first limiting protrusions are provided on the push rod component, the first limiting holes are provided on the elastic component, and at least two of the first limiting protrusions are respectively inserted into at least two of the first limiting holes; Each of the second limiting protrusions is a convex ring, and one of the convex rings surrounds one of the first limiting holes; the inner annular surface of the convex ring is flush with the hole wall of the first limiting hole.

30. The relay according to claim 27, characterized in that The second elastic spring comprises a second base portion, a first deformation portion and a first connection portion; The second base is connected to one of the elastic component and the dynamic spring component through the second anti-rotation structure, the first deformation portion and the first connecting portion are provided on both sides of the second base along the first direction, and the second base is connected to the first connecting portion through the first deformation portion; the first connecting portion is connected to the other of the elastic component and the dynamic spring component through the third anti-rotation structure.

31. The relay according to claim 30, characterized in that Along the first direction, the first connection portion on one side of the second base forms a first connection with the dynamic spring assembly, and the first connection portion on the other side of the second base forms a second connection with the dynamic spring assembly, a first distance is provided between the first connection and the second connection, and a second distance is provided between the first deformation portions on both sides of the second base, and the first distance is smaller than the second distance; The second distance is the maximum distance between the first deformation parts on both sides of the second base.

32. The relay according to claim 27, characterized in that The third anti-rotation structure comprises: at least two third limiting protrusions, provided on one of the second elastic spring sheet and the dynamic spring assembly; and At least two third limiting holes are provided on the second elastic spring sheet and the other of the dynamic spring assembly; and at least two third limiting protrusions are respectively inserted into the at least two third limiting holes.

33. The relay according to claim 23, characterized in that The relay further comprises a first magnetic conductor; the first magnetic conductor is arranged on a side of the movable spring assembly facing the static contact lead-out end; The movable spring assembly further includes a second magnetic conductor, which is fixedly connected to a side of the movable spring piece facing away from the static contact lead-out end; the second magnetic conductor is used to form a magnetic circuit with the first magnetic conductor; The limiting component is a second elastic spring, and the second elastic spring includes a second base, a first deformation portion and a first connecting portion; The first deformable portion and the first connecting portion are disposed on both sides of the second base along the first direction, and the second base is connected to the first connecting portion through the first deformable portion; the second base is connected to the elastic component; The first connection parts on both sides of the second base are respectively inserted between the second magnetic conductor and the movable spring piece by the second magnetic conductor along both sides of the first direction, and are fixedly connected to the movable spring piece and the second magnetic conductor.

34. The relay according to claim 23, characterized in that The elastic component is a first elastic spring, the limiting component is a second elastic spring, and the thickness of the second elastic spring is smaller than the thickness of the first elastic spring.

35. The relay according to claim 23, characterized in that The elastic component is a compression spring, and the compression spring is used to provide contact pressure.

36. The relay according to claim 35, characterized in that One end of the compression spring abuts against the limiting assembly, and the other end of the compression spring abuts against the dynamic spring assembly or the pushing rod assembly.

37. The relay according to claim 36, characterized in that The limiting component is a second elastic spring; The second elastic spring sheet comprises a second base, a first deformation portion and a first connection portion; the second base is connected to the push rod assembly, the first deformation portion and the first connection portion are provided on both sides of the second base along the first direction, and the second base is connected to the connection portion through the first deformation portion; the connection portion is connected to the dynamic spring assembly; The second elastic spring sheet and the dynamic spring assembly form a chamber, the compression spring is accommodated in the chamber, one end of the compression spring abuts against the second base, and the other end of the compression spring abuts against the dynamic spring assembly.

38. The relay according to claim 23, characterized in that The elastic component is connected to the push rod component in a limiting manner along the first direction; and / or, the limiting component is connected to the dynamic spring component in a limiting manner along the first direction; and / or, the limiting component is connected to the elastic component in a limiting manner along the first direction.

39. The relay according to claim 1, characterized in that The anti-rotation mechanism is an elastic component, which is connected to the push rod assembly through a first anti-rotation structure and to the dynamic spring assembly through a second anti-rotation structure. The elastic component is used to provide contact pressure and to limit the rotation of the dynamic spring assembly relative to the push rod assembly around the axis of the push rod assembly.

40. The relay according to claim 39, characterized in that The elastic component is a third elastic spring, and the third elastic spring includes a third base, a second connecting portion and a second deformation portion; The second connecting portion and the second deforming portion are provided on both sides of the third base along the first direction, the third base is connected to the second connecting portion via the second deforming portion, and the third base is connected to the push rod assembly via the first anti-rotation structure; The second connecting portion of the third elastic spring sheet is connected to the dynamic spring assembly through the second anti-rotation structure; wherein the second deformation portion is used to generate deformation to provide contact pressure.

41. The relay according to claim 40, characterized in that Along the first direction, the second connection portion on one side of the third base forms a third connection with the dynamic spring assembly, the second connection portion on the other side of the third base forms a fourth connection with the dynamic spring assembly, a third distance exists between the third connection and the fourth connection, and a fourth distance exists between the second deformation portions on both sides of the third base, and the third distance is smaller than the fourth distance; The fourth distance is the maximum distance between the second deformation parts on both sides of the third base.

42. The relay according to claim 39, characterized in that The first anti-rotation structure comprises: at least two first limiting holes, provided on one of the elastic component and the push rod component; and At least two first limiting protrusions are arranged on the pushing rod assembly and the other of the elastic assembly; at least two of the first limiting protrusions are inserted into at least two of the first limiting holes.

43. The relay according to claim 42, characterized in that The elastic component is a third elastic spring, and the third elastic spring is provided with at least two of the first limiting holes; At least two convex rings are provided on a surface of one side of the third elastic spring sheet facing the dynamic spring assembly. The at least two convex rings respectively surround at least two of the first limiting holes. The inner annular surface of the convex ring is flush with the hole wall of the first limiting hole.

44. The relay according to claim 39, characterized in that The second anti-rotation structure comprises: at least two second limiting holes, provided on one of the elastic component and the dynamic spring component; and At least two second limiting protrusions are arranged on the other of the movable spring assembly and the elastic assembly; at least two of the second limiting protrusions are inserted into at least two of the second limiting holes.

45. The relay according to claim 44, characterized in that Each of the second limiting holes is in an elliptical shape, and the major axis of the ellipse is parallel to the first direction.

46. ​​The relay according to claim 39, characterized in that The elastic component is connected to the dynamic spring component in a limit position in the first direction; and / or the elastic component is connected to the push rod component in a limit position in the first direction.

47. The relay according to claim 1, characterized in that The relay further comprises a first magnetic conductor, which is arranged on a side of the movable reed piece facing the static contact lead-out end.

48. The relay according to claim 47, characterized in that The movable spring assembly further comprises a second magnetic conductor, which is fixedly connected to a side of the movable spring piece facing away from the static contact lead-out end; the second magnetic conductor is used to form a magnetic conductive circuit with the first magnetic conductor.

49. The relay according to claim 1, characterized in that The push rod assembly comprises: a push rod; and The contact support is connected to one axial end of the push rod.

50. The relay according to claim 1, characterized in that The relay is a direct-acting relay.

51. The relay according to claim 1, characterized in that The relay also includes a contact container; A pair of static contact lead-out terminals are arranged in the contact container, and the dynamic spring assembly is arranged in the contact container.

52. The relay according to claim 51, characterized in that The contact container comprises: yoke iron plate; and An insulating cover is arranged on a side surface of the yoke iron plate facing the static contact lead-out end; a pair of static contact lead-out ends are arranged on the insulating cover, and the movable spring assembly is arranged in a cavity surrounded by the insulating cover and the yoke iron plate.

53. The relay according to claim 52, characterized in that The insulating cover comprises a ceramic cover and a frame sheet, and the ceramic cover is connected to the yoke iron plate through the frame sheet; A pair of static contact lead-out terminals are arranged on the ceramic cover.

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