Relay

Abstract

The utility model discloses a relay, which comprises a shell, a driving structure, a driving reed assembly and an auxiliary movable reed assembly. The shell is provided with a first cavity. The driving structure is arranged in the first cavity, a second cavity is defined by the driving structure and the shell, and the first cavity and the second cavity are arranged in a spaced mode. The driving reed assembly is arranged in the first cavity. And the auxiliary movable contact spring assembly is arranged in the second cavity. The technical scheme of the utility model has the advantages of isolating arc and preventing the arc from damaging the relay structure.

Description

Technical Field

[0001] The utility model relates to the technical field of relays, in particular to a relay. Background Art

[0002] Relay is an electrical control device used in automation control circuits. It uses electromagnetic effect to control mechanical contacts to achieve the purpose of controlling the on and off of the circuit. In fact, it uses a small current input circuit to control a large current output circuit to achieve functions such as automatic switching, automatic adjustment, and circuit conversion.

[0003] The existing relay has an input circuit consisting of an auxiliary contact and an auxiliary moving spring, and an output circuit consisting of a main contact and an auxiliary moving spring. The auxiliary moving spring and the active spring are located on the same structure, and the auxiliary moving spring is controlled by a small current input circuit to drive the active spring to realize a large current output circuit. However, the main contact, active spring, auxiliary contact, and auxiliary moving spring are all made of materials with good conductive properties, and arcs are easily generated between the main contact and the auxiliary contact, thereby damaging the internal structure of the relay. Utility Model Content

[0004] The main purpose of the utility model is to provide a relay, aiming to solve the problem that electric arcs are easily generated between main contacts and auxiliary contacts, thereby damaging the internal structure of the relay.

[0005] To achieve the above object, the utility model provides a relay, comprising:

[0006] A housing, wherein the housing is provided with a first cavity;

[0007] A driving structure, wherein the driving structure is disposed in the first cavity and is enclosed with the shell to form a second cavity, and the first cavity and the second cavity are spaced apart;

[0008] an active reed assembly, the active reed assembly being disposed in the first cavity; and

[0009] An auxiliary movable spring assembly is disposed in the second cavity.

[0010] Optionally, the driving structure includes:

[0011] A drive assembly connected to the housing;

[0012] A push rod assembly, one end of which is connected to the driving assembly, and the other end of which is provided with the active reed assembly, wherein the active reed assembly is located in the first cavity; and

[0013] An isolation structure is connected to a side of the active reed assembly away from the push rod, the isolation structure and the shell are enclosed to form the second cavity, and the auxiliary active reed assembly is connected to the isolation structure.

[0014] Optionally, the isolation structure includes a first side plate and a mounting seat, two first side plates are spaced apart and arranged on the housing, the mounting seat is connected to the push rod assembly, and the two first side plates and the mounting seat enclose to form the second cavity;

[0015] Furthermore, the push rod assembly is provided with a second side plate, two of the second side plates are connected to two sides of the active spring assembly, and one of the first side plates is slidably connected to one of the second side plates.

[0016] Optionally, the first side plate is provided with a boss, the second side plate is provided with a groove, and the boss and the groove are slidably connected.

[0017] Optionally, the housing comprises:

[0018] A yoke iron plate, wherein the yoke iron plate is provided with a through hole, the push rod assembly is passed through the through hole, one end of the push rod assembly is connected to the driving assembly, and the other end of the push rod assembly is connected to the active reed assembly;

[0019] An upper shell is connected to the yoke plate and enclosed with the yoke plate to form a first cavity. The upper shell is provided with two first side plates.

[0020] Optionally, the active reed assembly comprises:

[0021] an active reed connected to the push rod assembly; and

[0022] The anti-magnetic conductive component is arranged on both sides of the active spring, and the anti-magnetic conductive component includes an upper magnetic conductive part and a lower magnetic conductive part, and the upper magnetic conductive part is slidably connected to the first side.

[0023] Optionally, the push rod assembly comprises:

[0024] A push rod, the push rod being slidably connected to the through hole, one end of the push rod being connected to the drive assembly, and the other end of the push rod extending into the first cavity; and

[0025] The mounting frame is connected to one end of the push rod located in the first cavity, the active spring or the lower magnetic conductive member is elastically connected to the mounting frame, and the upper magnetic conductive member is connected to one end of the mounting frame away from the push rod.

[0026] Optionally, the mounting frame comprises:

[0027] an insulating seat, the insulating seat being connected to the push rod, the active reed and / or the lower magnetic conductive member being elastically connected to the insulating seat; and

[0028] The bracket is connected to the insulating seat, the bracket is provided with a sliding cavity, the active spring and the lower magnetic conductive member are slidably connected in the sliding cavity, and the upper magnetic conductive member is connected to one end of the bracket away from the push rod.

[0029] Optionally, the auxiliary movable spring assembly includes two auxiliary movable springs, the two auxiliary movable springs are connected to two sides of the mounting seat, and the mounting seat is connected to the bracket.

[0030] Optionally, the upper shell is provided with a main contact and an auxiliary contact, the main contact extends to the first cavity, the auxiliary contact extends to the second cavity, and the first side plate and the second side plate are located between the main contact and the auxiliary contact.

[0031] The relay of the technical solution of the utility model adopts a push rod structure with a first cavity and a second cavity separated, so that the active reed assembly is arranged in the first cavity, and the auxiliary moving reed assembly is arranged in the second cavity. The active reed and the auxiliary moving reed are always separated, and the driving structure can control the movement of the active reed assembly and the auxiliary moving reed assembly. When the relay is in the disconnected state, the auxiliary contact is separated from the auxiliary moving reed, and the main contact is also separated from the active reed. The input circuit controls the movement of the auxiliary moving reed to drive the movement of the active reed, so that the auxiliary moving reed abuts the auxiliary contact, and the active reed also abuts the main contact, the relay becomes closed, the output circuit is closed, and then the functions of automatic switching, automatic adjustment, and circuit conversion are performed. And because the first cavity and the second cavity are separated, although the main contact and the auxiliary contact have current passing through them, no arc will be generated between them, so as to prevent the arc from damaging the relay structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0033] Figure 1 It is a structural schematic diagram of the relay of the utility model;

[0034] Figure 2 This is a schematic diagram of the disconnected state of the relay of the utility model;

[0035] Figure 3 It is a schematic diagram of the closed state of the relay of the utility model;

[0036] Figure 4 A schematic diagram of the structure of the relay of the utility model;

[0037] Figure 5 It is a structural schematic diagram of the upper shell of the relay of the utility model;

[0038] Figure 6 It is a structural schematic diagram of the upper magnetic conductive member of the relay of the utility model.

[0039] Description of Figure Numbers:

[0040]

[0041]

[0042] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0044] It should be noted that all directional indications in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0045] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0046] Combination Figures 1 to 6The utility model proposes an embodiment, wherein the relay comprises a housing 1, a driving structure, an active reed assembly 2, and an auxiliary moving reed assembly 3. The housing 1 is provided with a first cavity 001. The driving structure is arranged in the first cavity 001, and is enclosed with the housing 1 to form a second cavity 002, and the first cavity 001 and the second cavity 002 are arranged at intervals. The active reed assembly 2 is arranged in the first cavity 001. The auxiliary moving reed assembly 3 is arranged in the second cavity 002.

[0047] Specifically, the top of the housing 1 is provided with a first mounting hole and a second mounting hole, the main contact 113 is installed at the first mounting hole, and a part of the main contact 113 extends into the accommodating cavity, and the other part extends outside the accommodating cavity. The auxiliary contact 114 is installed at the second mounting hole, and a part of the auxiliary contact 114 extends into the accommodating cavity, and the other part extends outside the accommodating cavity. The bottom of the housing 1 is provided with a through hole 121, and the push rod assembly 4 is connected at the through hole 121. And the driving structure is provided with an active spring assembly 2 and an auxiliary movable spring assembly 3 at one end in the accommodating cavity, and the active spring assembly 2 and the auxiliary movable spring assembly 3 can both move in the accommodating cavity, and the active spring 22 and the auxiliary movable spring 32 are synchronously movable.

[0048] Furthermore, the driving structure separates the accommodating cavity into a first cavity 001 and a second cavity 002. The first cavity 001 is a "concave" space, and the second cavity 002 is a "mouth" space. The push rod 41 structure is located in the first cavity 001, the top of the push rod 41 is provided with an auxiliary moving spring assembly 3 and is located in the second cavity 002, and the middle of the push rod 41 is provided with an active spring assembly 2 and is located in the first cavity 001. An auxiliary contact 114 is provided in the middle of the relay and extends to the second cavity 002, and a main contact 113 is provided on the side of the relay and extends to the first cavity 001.

[0049] Through this embodiment, a push rod 41 structure having a first cavity 001 and a second cavity 002 separated is adopted, so that the active reed assembly 2 is arranged in the first cavity 001, and the auxiliary movable reed assembly 3 is arranged in the second cavity 002. The active reed 22 and the auxiliary movable reed 32 are always separated, and the driving structure can control the movement of the active reed assembly 2 and the auxiliary movable reed assembly 3. When the relay is in the disconnected state, the auxiliary contact is separated from the auxiliary movable reed 32, and the main contact is also separated from the active reed 22. The input circuit controls the movement of the auxiliary movable reed 32 to drive the movement of the active reed 22, so that the auxiliary movable reed 32 abuts the auxiliary contact, and the active reed 22 also abuts the main contact, and the relay becomes a closed state, so that the output circuit is closed, and then the functions of automatic switching, automatic adjustment, and circuit conversion are performed. And because the first cavity 001 and the second cavity 002 are separated, although the main contact 113 and the auxiliary contact 114 have current passing through them, no arc will be generated between them, so as to prevent the arc from damaging the relay structure.

[0050] Combination Figures 1 to 6 The utility model proposes an embodiment, wherein the driving structure comprises a driving assembly 5, a push rod assembly 4 and an isolation structure. The driving assembly 5 is connected to the housing 1. One end of the push rod assembly 4 is connected to the driving assembly 5, and the other end of the push rod assembly 4 is provided with the active spring assembly 2, and the active spring assembly 2 is located in the first cavity 001. The isolation structure is connected to the side of the active spring assembly 2 away from the push rod 41, and the isolation structure and the housing 1 are enclosed to form the second cavity 002, and the auxiliary active spring assembly 3 is connected to the isolation structure.

[0051] Specifically, the drive assembly 5 has an output end, and the output end moves in a straight line. The push rod assembly 4 is a rod-shaped structure, one end of which is connected to the output end, and the other end is arranged adjacent to the contact assembly. A mounting seat 31 is provided at one end of the push rod assembly 4 adjacent to the contact assembly, and an active spring 22 is arranged on the mounting seat 31. An isolation structure is provided on the side of the mounting seat 31 away from the push rod 41, and the isolation structure and the housing 1 are enclosed to form a second cavity 002, and an auxiliary moving spring 32 is arranged in the second cavity 002. It can be understood that the drive structure is sequentially composed of the drive assembly 5, the push rod assembly 4, the mounting seat 31 with the active spring 22 installed, and the isolation structure with the auxiliary moving spring 32 installed along the straight line direction.

[0052] Through this embodiment, the driving assembly 5 moves, so that the push rod assembly 4 drives the active reed 22 and the auxiliary moving reed 32 to move together, so that the relay switches between the open state and the closed state. And because the auxiliary moving reed 32 is inside the isolation structure. The active reed 22 is outside the isolation structure, so the space between the auxiliary contact 114 connected to the auxiliary moving reed 32 and the main contact 113 connected to the active reed 22 is blocked by the isolation structure, so that no arc is generated between them to prevent damage to the relay structure.

[0053] Combination Figures 1 to 6 The utility model proposes an embodiment, wherein the isolation structure comprises an upper shell 11 and an upper magnetic conductive member 21. The upper shell 11 is connected to the relay. The upper magnetic conductive member 21 is connected to the mounting seat 31, and the upper magnetic conductive member 21 is provided with the auxiliary moving spring 32. The upper magnetic conductive member 21 and the upper shell 11 enclose the second cavity 002.

[0054] Specifically, the upper shell 11 is connected to the relay, and the upper shell 11 is provided with a second mounting hole for mounting the auxiliary contact 114. The upper magnetic conductive member 21 is mounted on the mounting seat 31, and the upper magnetic conductive member 21 is mounted with an auxiliary moving spring 32. The upper shell 11 and the upper magnetic conductive member 21 are combined together to form a box structure, enclosing the auxiliary moving spring 32 and the auxiliary contact 114, wherein the combination method is that the upper shell 11 is buckled on the upper magnetic conductive member 21.

[0055] Through this embodiment, the upper shell 11 is fixed at a position, and the upper magnetic conductive member 21 moves with the movement of the driving assembly 5. Then the driving assembly 5 drives the auxiliary movable spring 32 located on the upper magnetic conductive member 21 to abut or disengage from the auxiliary contact located on the upper shell 11. The space of the second cavity 002 is variable, but the auxiliary movable spring 32 is always isolated from the active spring 22. In addition, the isolation structure is detachable, which also facilitates the installation of the auxiliary movable spring 32 in the isolation structure.

[0056] Combination Figures 1 to 6 The utility model proposes an embodiment, the isolation structure includes a first side plate 111 and a mounting seat 31, two first side plates 111 are spaced apart and arranged on the housing 1, the mounting seat 31 is connected to the push rod assembly 4, and the two first side plates 111 and the mounting seat 31 enclose the second cavity 002. The push rod assembly 4 is provided with a second side plate 211, two second side plates 211 are connected to both sides of the active spring assembly 2, and one first side plate 111 is slidably connected to one second side plate 211.

[0057] Specifically, the housing 1 includes an upper shell 11 and a yoke plate 12. The upper shell 11 includes a top plate and a first side plate 111. The first side plate 111 is connected to the top plate and is set at an angle. The upper magnetic conductive member 21 includes a bottom plate and a second side plate 211. The bottom plate is connected to the mounting seat 31. The second side plate 211 is connected to the bottom plate and is set at an angle. The first side plate 111 and the second side plate 211 are slidably connected.

[0058] Furthermore, the yoke plate 12 is provided with a through hole 121, the push rod assembly 4 is passed through the through hole 121, one end of the push rod assembly 4 is connected to the driving assembly 5, and the other end of the push rod assembly 4 is connected to the active spring assembly 2. The upper shell 11 is connected to the yoke plate 12 and encloses the yoke plate 12 to form a first cavity 001, and the upper shell 11 is provided with two first side plates 111.

[0059] Specifically, the angle between the first side plate 111 and the top plate is 90 degrees. The first side plates 111 are respectively provided on both sides of the top plate. The height of the first side plate 111 is greater than the length of the auxiliary contact 114 extending into the second cavity 002. The angle between the second side plate 211 and the bottom plate is 90 degrees. A second side plate 211 is respectively provided on both sides of the bottom plate. The first side plates 111 on both sides abut against the second side plates 211 on both sides to enclose the second cavity 002.

[0060] According to this embodiment, the auxiliary contact 114 and the main contact 113 are separated by the first side plate 111 and the second side plate 211, and the sliding connection between the first side plate 111 and the second side plate 211 ensures that the auxiliary contact 114 and the main contact 113 are always separated regardless of whether they are in an open state or a closed state.

[0061] Combination Figures 1 to 6 The utility model proposes an embodiment, the first side plate 111 is provided with a boss 112, the second side plate 211 is provided with a groove 212, the boss 112 and the groove 212 cooperate to make the upper shell 11 and the upper magnetic conductive member 21 slidably connected.

[0062] Through this embodiment, the boss 112 and the groove 212 cooperate to allow the upper shell 11 and the upper magnetic conductive member 21 to slide in only one direction, thereby limiting the movement of the auxiliary active reed 32 and the active reed 22 and preventing them from shaking inside.

[0063] Combination Figures 1 to 6 The utility model proposes an embodiment, wherein the active reed assembly 2 comprises an active reed 22 and an anti-magnetic conductive assembly. The active reed 22 is connected to the push rod assembly 4. The anti-magnetic conductive assembly is arranged on both sides of the active reed 22, and the anti-magnetic conductive assembly comprises an upper magnetic conductive member 21 and a lower magnetic conductive member 23, and the upper magnetic conductive member 21 is slidably connected to the first side.

[0064] Specifically, the upper magnetic conductive component is connected to the mounting frame 43, and the upper magnetic conductive component 21 is provided with a second side plate 211 and is slidably connected to the housing 1. The lower magnetic conductive component 23 is connected to the bottom of the active spring 22 and moves with the active spring 22. The upper magnetic conductive component 21 and the lower magnetic conductive component 23 are always located on both sides of the active spring 22.

[0065] Through this embodiment, the anti-magnetic conductive component can improve the working stability of the relay.

[0066] Combination Figures 1 to 6 The utility model proposes an embodiment, wherein the push rod assembly 4 comprises a push rod 41 and a mounting bracket 43. The push rod 41 is slidably connected to the second side. The mounting bracket 43 is connected to the push rod 41, and the active reed assembly 2 is slidably connected to the mounting bracket 43.

[0067] Specifically, the push rod 41 is inserted into the housing 1 to drive the active spring 22 to move. The mounting frame 43 is connected to the yoke plate 12, and a space is provided in the mounting frame 43. The active spring 22 slides in the space of the mounting frame 43, and the mounting frame 43 is provided with a groove 212. The lower magnetic conductive member 23 is provided with a boss 112 and is slidably connected to the groove 212 of the mounting frame 43.

[0068] Through this embodiment, the two ends of the push rod 41 are limited to the two sides of the housing 1, and the mounting frame 43 limits the lower magnetic conductive member 23 and the active spring 22, thereby improving the movement stability of the push rod assembly 4.

[0069] Combination Figures 1 to 6The utility model proposes an embodiment, wherein the mounting frame 43 includes an insulating seat 431 and a bracket 432. The insulating seat 431 is connected to the push rod 41, and the active spring 22 is elastically connected to the insulating seat 431. The bracket 432 is connected to the insulating seat 431, and the bracket 432 is provided with a sliding cavity 531, and the active spring assembly 2 is slidably connected to the sliding cavity 531.

[0070] Specifically, the lower magnetic conductive member 23 and the insulating seat 431 are connected by an elastic member. The lower magnetic conductive member 23 is used to install the active spring 22, and the insulating seat 431 is connected to the push rod 41, and the push rod 41 is inserted into the through hole 121. The limit rod 42 is also connected to the insulating seat 431, and the push rod 41 and the limit rod 42 are arranged in parallel. The bracket 432 is connected to the insulating seat 431 to form a frame, and the two sides of the lower magnetic conductive member 23 are slidably connected to the bracket 432.

[0071] Furthermore, the elastic member is a spring 44 or a spring sheet, which is centrally connected between the lower magnetic conductive member 23 and the insulating seat 431. The position of the spring 44 or the spring sheet makes the connection between the active spring assembly 2 and the push rod 41 elastic, which can play a buffering role when the active spring assembly 2 abuts against the contact.

[0072] Through this embodiment, when the push rod 41 moves, the limiting rod 42 and the limiting hole 122 cooperate to limit the movement of the push rod 41. The combination of the spring 44 and the spring sheet enables the active spring assembly 2 to play a buffering role when it abuts against the contact. The bracket 432 limits the active spring 22 and the upper magnetic conductive member 21, thereby preventing the active spring assembly 2 from rotating and hitting the ceramic shell, or causing the contact to be unstable due to rotation.

[0073] Combination Figures 1 to 6 The utility model proposes an embodiment, wherein the auxiliary movable spring assembly 3 includes two auxiliary movable springs 32, and the two auxiliary movable springs 32 are connected to both sides of the mounting seat 31, and the mounting seat 31 is connected to the bracket 432. The auxiliary movable spring assembly 3 includes a mounting seat 31 and an auxiliary movable spring 32, the mounting seat 31 is connected to the bracket 432, and the mounting seat 31 and the first side plate 111 enclose a second cavity 002. The auxiliary movable spring 32 is connected to the mounting seat 31 and is located in the second cavity 002.

[0074] Specifically, the upper shell 11 is provided with an auxiliary contact 114. The upper magnetic conductive member 21 is mounted on the bracket 432, and the bracket 432 is mounted with the auxiliary movable spring assembly 3. The mounting seat 31 is an insulating structure, mounted on the bracket 432, and the auxiliary movable spring 32 is mounted on the mounting seat 31.

[0075] Furthermore, the first side plate 111 of the upper shell 11 and the second side plate 211 of the upper magnetic conductive member 21 are combined together to form an isolation structure, enclosing the auxiliary movable spring assembly 3 and the auxiliary contact 114 together, wherein the combination method is that the upper shell 11 is buckled on the upper magnetic conductive member 21.

[0076] According to this embodiment, the upper shell 11 is fixed at a position, and the upper magnetic conductive member 21 moves with the movement of the push rod 41. Then, the driving assembly 5 drives the auxiliary movable spring assembly 3 located on the upper magnetic conductive member 21 to abut against or disengage from the auxiliary contact 114 located on the upper shell 11. The space of the second cavity 002 is variable, but the auxiliary movable spring assembly 3 is always isolated from the active spring assembly 2. In addition, the isolation structure is detachable, which also facilitates the installation of the auxiliary movable spring assembly 3 in the isolation structure.

[0077] Combination Figures 1 to 6 The utility model proposes an embodiment, wherein the driving assembly 5 comprises a metal shell 53, a static iron core 51 and a moving iron core 52. The metal shell 53 is provided with a sliding cavity 531. The static iron core 51 is fixedly connected in the sliding cavity 531. The moving iron core 52 is movable in the sliding cavity 531, the static iron core 51 and the moving iron core 52 are connected by a spring 44, and the push rod assembly 4 is connected to the moving iron core 52.

[0078] Specifically, the metal shell 53 is connected to a yoke iron plate 12 of a relay, a through hole 121 is provided in the middle of the yoke iron plate 12, and the push rod assembly 4 is inserted into the through hole 121. The metal shell 53 is provided with a sliding cavity 531, and one end of the sliding cavity 531 adjacent to the yoke iron plate 12 is fixedly connected to the static iron core 51, and the moving iron core 52 is placed in the sliding cavity 531 and can be slidably arranged. A spring 44 is also provided between the static iron core 51 and the moving iron core 52. A coaxial hole identical to the through hole 121 is provided in the middle of the static iron core 51. The push rod assembly 4 is located in the middle of the through hole 121 and the coaxial hole, one end of which is connected to the moving iron core 52, and the other end is provided with an active spring leaf 22 and an auxiliary moving spring leaf 32.

[0079] According to this embodiment, when the relay is in the disconnected state, driven by the spring 44, the static iron core 51 and the moving iron core 52 are always kept at the farthest ends of the sliding cavity 531, so that the active reed 22 and the auxiliary moving reed 32 are separated from the main contact and the auxiliary contact.

[0080] Combination Figures 1 to 6 The utility model proposes an embodiment, wherein the push rod assembly 4 further comprises an elastic member. One end of the push rod 41 is connected to the driving assembly 5, the mounting seat 31 comprises an insulating seat 431 and a lower magnetic conductive member 23, the insulating seat 431 and the lower magnetic conductive member 23 are arranged at intervals, and the active spring 22 is connected to the lower magnetic conductive member 23. The elastic member is connected between the insulating seat 431 and the lower magnetic conductive member 23.

[0081] Specifically, the push rod 41 passes through the through hole 121, one end of which is connected to the moving iron core 52, and the other end of which is connected to the elastic member. The elastic member is a spring 44, one end of which is connected to the push rod 41, and the other end of which is connected to the mounting seat 31. The mounting seat 31 is provided with an active spring leaf 22.

[0082] Furthermore, the mounting seat 31 includes an insulating seat 431 and a lower magnetic conductive member 23, the insulating seat 431 is connected to the push rod 41, and the active spring 22 is connected to the lower magnetic conductive member 23, specifically, the upper magnetic conductive member 21 and the lower magnetic conductive member 23 clamp the active spring 22. The lower magnetic conductive member 23 is connected to the insulating seat 431 through a spring 44, so that the active spring 22 has an elastic buffer stroke.

[0083] Through this embodiment, when the relay is in a closed state, the push rod 41 pushes the active reed 22 and the auxiliary movable reed 32 to abut the main contact and the auxiliary contact. Under the action of the elastic member, the active reed 22 and the auxiliary movable reed 32 abut the main contact and the auxiliary contact in an elastic abutment, which can not only improve the firmness of the abutment, but also avoid damage to the active reed 22, the auxiliary movable reed 32, the main contact and the auxiliary contact.

[0084] Combination Figures 1 to 6 The utility model proposes an embodiment, the upper shell 11 is provided with a main contact 113 and an auxiliary contact 114, the main contact 113 extends to the first cavity 001, the auxiliary contact 114 extends to the second cavity 002, and the first side plate 111 and the second side plate 211 are located between the main contact 113 and the auxiliary contact 114.

[0085] Specifically, the upper shell 11 is a box-shaped structure, and the top of the upper shell 11 is provided with a first mounting hole and a second mounting hole for mounting the main contact and the auxiliary contact. The upper shell 11 is also provided with a first side plate 111, which is located between the first mounting hole and the second mounting hole to separate the main contact 113 and the auxiliary contact 114. The length of the first side plate 111 is higher than the length of the main contact 113 in the accommodating cavity, and is also higher than the length of the auxiliary contact 114 in the accommodating cavity. The bottom of the upper shell 11 is open, which is convenient for installing the yoke iron plate 12. The middle of the yoke iron plate 12 is a through hole 121 for installing the push rod 41 structure.

[0086] Further, when the yoke iron plate 12 is mounted on the upper shell 11, the auxiliary movable spring piece 32 is adjacent to the auxiliary contact 114, and the active spring piece 22 is adjacent to the main contact 113. The push rod 41 structure and the partition separate the accommodating cavity into the first cavity 001 and the second cavity 002. It can be understood that even if the first cavity 001 and the second cavity 002 are not completely isolated, the partition can prevent the arc between the main contact 113 and the auxiliary contact 114 from being generated.

[0087] According to this embodiment, the space between the main contact 113 and the auxiliary contact 114 is separated by a partition, so that although current passes through both the main contact 113 and the auxiliary contact 114, no arc is generated between them, thereby preventing the arc from damaging the relay structure.

[0088] Combination Figures 1 to 6 The utility model proposes an embodiment, the housing 1 is provided with a first mounting hole and a second mounting hole, and the contact assembly includes a main contact 113 and an auxiliary contact 114. The main contact 113 is installed in the first mounting hole and extends to the first cavity 001. The auxiliary contact 114 is installed in the second mounting hole and extends to the second cavity 002.

[0089] Specifically, one main contact is respectively provided on both sides of the upper shell 11, two auxiliary contacts are provided between the two main contacts, two first side plates 111 are respectively provided on both sides of the two auxiliary contacts and located between the auxiliary contacts and the main contacts, and the second cavity 002 is formed between the two first side plates 111.

[0090] Furthermore, the upper shell 11 is provided with two first side plates 111, and the two first side plates 111 divide the top of the upper shell 11 into three cavities, namely, a left cavity, a middle cavity, and a right cavity. There are two main contacts 113, located on both sides of the top of the upper shell 11, namely, one in the left cavity and one in the right cavity. There are two auxiliary contacts 114, located in the middle of the top of the upper shell 11, namely, in the middle cavity.

[0091] Furthermore, the line connecting the centers of the two first mounting holes is perpendicular to the line connecting the centers of the two second mounting holes. It can be understood that the main contact 113 passes a large current and the auxiliary contact 114 passes a small current, so that the size of the main contact 113 is much larger than that of the auxiliary contact 114, making the first mounting hole larger than the second mounting hole.

[0092] Through this embodiment, the two main contacts 113 are located on both sides of the housing 1, and the two ends of the active spring 22 are respectively connected to the main contacts 113 on both sides to form an output circuit. The two auxiliary contacts 114 are located on the other two sides of the housing 1, and the two ends of the auxiliary active spring 32 are respectively connected to the auxiliary contacts 114 on both sides to form an input circuit. Since the size of the main contact 113 is much larger than that of the auxiliary contact 114, the center line of the two first mounting holes and the center line of the two second mounting holes are perpendicular to each other. Such a setting can reasonably reduce the area of ​​the middle cavity of the housing 1, thereby reducing the volume of the relay.

[0093] Combination Figures 1 to 6 The utility model proposes an embodiment in which the upper shell 11 is made of ceramic material. Nitrogen is injected into the accommodating cavity.

[0094] Specifically, the upper shell 11 and the first side plate 111 are both made of ceramic. The upper shell 11 and the upper magnetic conductive member 21 are detachably connected, and the upper magnetic conductive member 21 can be made of other materials for easy processing and installation. The accommodating chamber is first evacuated and then injected with nitrogen or other gases.

[0095] In this embodiment, the upper shell 11 is made of ceramic material, so that the main contact 113 and the auxiliary contact 114 are not easy to generate arcs with the shell 1, thereby avoiding arc damage to the relay structure. The accommodating chamber filled with nitrogen is also not easy to generate arcs.

[0096] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the concept of the utility model, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A relay, characterized in that: The relay comprises: A housing, wherein the housing is provided with a first cavity; A driving structure, wherein the driving structure is disposed in the first cavity and is enclosed with the shell to form a second cavity, and the first cavity and the second cavity are spaced apart; an active reed assembly, the active reed assembly being disposed in the first cavity; and An auxiliary movable spring assembly is arranged in the second cavity.

2. The relay according to claim 1, characterized in that: The driving structure comprises: A drive assembly connected to the housing; A push rod assembly, one end of which is connected to the driving assembly, and the other end of which is provided with the active reed assembly, wherein the active reed assembly is located in the first cavity; and An isolation structure is connected to a side of the active reed assembly away from the push rod, the isolation structure and the shell are enclosed to form the second cavity, and the auxiliary active reed assembly is connected to the isolation structure.

3. The relay according to claim 2, characterized in that: The isolation structure comprises a first side plate and a mounting seat, wherein two first side plates are spaced apart and arranged on the housing, the mounting seat is connected to the push rod assembly, and the two first side plates and the mounting seat enclose and form the second cavity; Furthermore, the push rod assembly is provided with a second side plate, two of the second side plates are connected to two sides of the active spring assembly, and one of the first side plates is slidably connected to one of the second side plates.

4. The relay according to claim 3, characterized in that: The first side plate is provided with a boss, the second side plate is provided with a groove, and the boss and the groove are slidably connected.

5. The relay according to claim 3, characterized in that: The housing comprises: A yoke iron plate, wherein the yoke iron plate is provided with a through hole, the push rod assembly is passed through the through hole, one end of the push rod assembly is connected to the driving assembly, and the other end of the push rod assembly is connected to the active reed assembly; An upper shell is connected to the yoke plate and enclosed with the yoke plate to form a first cavity. The upper shell is provided with two first side plates.

6. The relay according to claim 5, characterized in that: The active reed assembly comprises: an active reed connected to the push rod assembly; and The anti-magnetic conductive component is arranged on both sides of the active spring, and the anti-magnetic conductive component includes an upper magnetic conductive part and a lower magnetic conductive part, and the upper magnetic conductive part is slidably connected to the first side.

7. The relay according to claim 6, characterized in that: The push rod assembly comprises: A push rod, the push rod being slidably connected to the through hole, one end of the push rod being connected to the drive assembly, and the other end of the push rod extending into the first cavity; and The mounting frame is connected to one end of the push rod located in the first cavity, the active spring or the lower magnetic conductive member is elastically connected to the mounting frame, and the upper magnetic conductive member is connected to one end of the mounting frame away from the push rod.

8. The relay according to claim 7, characterized in that: The mounting frame comprises: an insulating seat, the insulating seat being connected to the push rod, the active reed and / or the lower magnetic conductive member being elastically connected to the insulating seat; and The bracket is connected to the insulating seat, the bracket is provided with a sliding cavity, the active spring and the lower magnetic conductive member are slidably connected in the sliding cavity, and the upper magnetic conductive member is connected to one end of the bracket away from the push rod.

9. The relay according to claim 8, characterized in that: The auxiliary moving spring assembly comprises two auxiliary moving springs, the two auxiliary moving springs are connected to two sides of the mounting seat, and the mounting seat is connected to the bracket.

10. The relay according to claim 9, characterized in that: The upper shell is provided with a main contact and an auxiliary contact, the main contact extends to the first cavity, the auxiliary contact extends to the second cavity, and the first side plate and the second side plate are located between the main contact and the auxiliary contact.

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