Combined large-current relay

Abstract

The invention discloses a combined large-current relay which comprises a relay assembly, a relay body, an electromagnetic component arranged on the relay body and a connecting piece arranged at the upper end of the relay body, and the connecting piece comprises a protruding part arranged at the upper end of the relay body and a transverse partition end plate arranged on the protruding part. The electromagnetic parts are arranged on the two protruding parts and are separated by the transverse separation end plate, and a buffer part is arranged between the two electromagnetic parts; the mounting assembly comprises a first pressing edge arranged at the lower end of the electromagnetic part, a second pressing edge arranged on the two protruding parts, a first lower pressing ring arranged on the first pressing edge and a locking edge arranged on the first lower pressing ring, and a protruding connecting block is arranged on the second pressing edge; by utilizing the mounting structure, the relay can be conveniently mounted and dismounted, and the buffer component can enable the electromagnetic component to have certain buffer capability after the electromagnetic component is mounted, and can be matched with the mounting and dismounting of the relay.

Description

Technical Field

[0001] The present invention relates to the technical field of relays, and in particular to a combined high-current relay. Background Art

[0002] A relay is an electrical control device. When the change in input quantity reaches the specified requirement, it causes a predetermined step change in the controlled quantity in the electrical output circuit. The relay has a control system and a controlled system. It is usually used in automated control circuits, playing the role of automatic adjustment, safety protection, and conversion circuit in the circuit.

[0003] Chinese invention patent CN112382536A discloses a high-stability combined relay, including a relay body and a base, the bottom of the relay body is rectangular and evenly and equidistantly installed with a number of pins, the base is arranged below the relay body, the upper end of the base is provided with a jack matching the pins, the outer cover of the relay body is provided with a fixed frame symmetrically fixedly connected to the bottom of the outer cover, a fixed groove is provided on the base below the fixed frame, and a movable groove is symmetrically provided on the upper end of the base, a fixing hole and a positioning groove are provided on the wall of the fixed groove, and movable plates are provided on both sides of the outer cover. The present invention enables the combined relay to be stably installed in the outer cover and on the base, improves the stability of the combined relay, and the combined relay can be disassembled and separated from the outer cover and the base at the same time, which is convenient for the removal, maintenance or replacement of the combined relay.

[0004] However, when the relay is to be repaired, the electromagnetic components on the relay body need to be disassembled as a whole, which is very inconvenient during disassembly and installation, and the installation structure of the overall relay itself has no buffering capacity. Summary of the invention

[0005] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0006] In view of the above problems existing in the existing combined high-current relay, the present invention is proposed.

[0007] Therefore, an object of the present invention is to provide a combined high-current relay.

[0008] To solve the above technical problems, the present invention provides the following technical solutions: a combined high-current relay, comprising: a relay assembly, including a relay body, an electromagnetic component arranged on the relay body, and a connector arranged at the upper end of the relay body, the connector comprising a protrusion arranged at the upper end of the relay body and a transverse partition end plate arranged on the protrusion, the electromagnetic component is arranged on two protrusions and separated by the transverse partition end plate, and a buffer component is arranged between the two electromagnetic components; and an installation assembly, comprising a first pressing edge arranged at the lower end of the electromagnetic component, a second pressing edge arranged on the two protrusions, a first lower pressing ring arranged on the first pressing edge, and a locking edge arranged on the first lower pressing ring, the second pressing edge is provided with a protruding connecting block, and the protruding connecting block is provided with a mating bayonet that cooperates with the locking edge.

[0009] As a preferred solution of the combined high-current relay described in the present invention, wherein: the locking edge includes a connecting piece connected to the first lower pressure ring and a foldable part arranged on the connecting piece, and the several locking edges on each of the first lower pressure rings are not connected to each other, and the foldable part includes a first arc surface and a second arc surface, the curvature of the first arc surface is smaller than the curvature of the second arc surface, and the locking edge also includes a locking end portion arranged at the front end of the foldable part and cooperating with the mating bayonet.

[0010] As a preferred solution of the combined high-current relay described in the present invention, a fold is provided at the junction of the first arc surface and the second arc surface, a friction layer is provided between the connecting piece and the protruding connecting block, an extension portion is extended on the side wall of the protruding connecting block, the depression of the fold matches the arc-shaped protrusion at the front end of the extension portion, and an abutting bent portion connected to the protruding connecting block and a conical portion connected to the abutting bent portion are provided at the front end of the extension portion, and the left and right side lines of the cross sections of the conical portion and the abutting bent portion are symmetrical.

[0011] As a preferred solution of the combined high-current relay described in the present invention, wherein: the buffer component includes an intermediate connecting ring arranged on the transverse end plate, a first connecting ring and a second connecting ring arranged at both ends of the intermediate ring, and a connecting piece arranged between the first connecting ring and the second connecting ring, the connecting piece includes a plurality of groups of annular connecting rod groups, each of the connecting rod groups includes a first connecting rod rotatably connected to the inner wall of the second connecting ring and a second connecting rod rotatably connected to the inner wall of the first connecting ring, and the first connecting rod and the second connecting rod are hinged to each other, and an intermediate connecting rod is arranged on the first connecting rod near one end of the second connecting rod, and the intermediate connecting rod is connected to the intermediate connecting ring.

[0012] As a preferred solution of the combined high-current relay described in the present invention, the clamping member includes a first clamping block arranged on the first connecting rod and a second clamping block arranged on the second connecting rod, the first clamping block and the second clamping block are arranged opposite to each other, and an elastic member is also arranged between the first clamping block and the second clamping block.

[0013] As a preferred solution of the combined high-current relay described in the present invention, wherein: an adjustable component is arranged on the first connecting rod, and the adjustable component includes a swing rod rotatably connected to the first connecting rod and a separation rod rotatably connected to the end of the swing rod, and a grabbing cylinder is arranged at the end of the separation rod, and a gear is arranged at the lower end of each separation rod, and a motor is arranged on one of the gears.

[0014] As a preferred solution of the combined high-current relay of the present invention, the side walls of the electromagnetic component are provided with annular grooves, and the first connecting ring and the second connecting ring are respectively matched with the two annular grooves.

[0015] As a preferred solution of the combined high current relay of the present invention, a clamping groove is arranged in the annular groove, and clamping blocks cooperating with the clamping groove are arranged on the side walls of the first connecting ring and the second connecting ring.

[0016] The beneficial effects of the present invention are as follows: during installation, the locking end first contacts the mating arc groove, and then under the arc action of the mating arc groove, the locking end is bent, and then extends upward after bending, and as the first lower pressure ring continues to press down, the foldable part enters the mating arc groove, and because the foldable part is also in contact with the mating arc groove and because of the cooperation between the arc surfaces, the first arc surface position of the foldable part is bent.

[0017] A fold is provided at the junction of the first arc surface and the second arc surface, and an extension portion extends on the side wall of the protruding connecting block. At this time, as the first lower pressure ring is pressed downward, the first lower pressure ring will also press the protruding connecting block downward. The downward pressure of the protruding connecting block will drive the extension portion on the protruding connecting block to be pressed downward, thereby pressing the position of the fold, thereby pressing the locking edge into a "folded" state. At this time, the locking end can cooperate with the mating bayonet to achieve locking.

[0018] After the first connecting rod and the second connecting rod are close to each other, they will respectively pull the first connecting ring and the second connecting ring close to each other, thereby enabling the two electromagnetic components to cooperate with the installation of the installation assembly.

[0019] Then, the degree of proximity of the card plates can be adjusted according to different usage scenarios by driving the swing arm close to the first connecting rod and the second connecting rod, and by allowing the grabbing piece on the swing arm to grab the two ends of the spring, and then by driving the gear to rotate, thereby driving the grabbing piece to rotate. Because the two ends of the grabbing piece are connected to the two ends of the spring, the two grabbing pieces can be driven to rotate, pulling the two ends of the spring closer or farther, thereby adjusting the distance between the first connecting ring and the second connecting ring.

[0020] The above-mentioned installation structure can be used to facilitate installation and removal of the relay, and after the electromagnetic component is installed, the buffer component can enable the electromagnetic component to have a certain buffering capacity and can cooperate with the installation and removal of the relay. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them: Figure 1 It is a schematic diagram of the overall structure of the combined high-current relay of the present invention.

[0022] Figure 2 It is a schematic diagram of the overall structure explosion of the combined high-current relay of the present invention.

[0023] Figure 3 It is a schematic diagram of the installation components of the combined high-current relay of the present invention.

[0024] Figure 4 It is a schematic diagram of the explosion of the installation components of the combined high-current relay of the present invention.

[0025] Figure 5 The figure is a schematic cross-sectional view of the structure of the combined high-current relay of the present invention after installation.

[0026] Figure 6 The figure is a schematic diagram of the installation of the buffer component of the combined high-current relay of the present invention.

[0027] Figure 7 It is a schematic diagram of the buffer component of the combined high-current relay of the present invention.

[0028] Figure 8 The combined high current relay of the present invention Figure 7 Enlarged schematic diagram of part A in the middle.

[0029] Among them, 100, relay assembly; 101, relay body; 102, electromagnetic component; 103, connector; 103a, protrusion; 103b, diaphragm end plate; 200, mounting assembly; 201, first pressing edge; 202, second pressing edge; 204, protruding connection block; 206a, first lower pressing ring; 206b, locking edge; 206c, matching bayonet; 206d, connecting piece; 206e, foldable part; 206f, locking end; 207, first arc surface; 208, second arc surface; 300, crease; 301, friction Wiping layer; 302, extension part; 400, adjustable part; 401, swing rod; 402, separation rod; 403, grabbing cylinder; 404, gear; 405, motor; 406, annular groove; 407, clamping block; 500, buffer part; 501, first connecting ring; 502, second connecting ring; 503, middle connecting ring; 504, middle connecting rod; 505, linkage rod group; 505a, first connecting rod; 505b, second connecting rod; 600, clamping member; 601, first clamping block; 602, second clamping block; 603, elastic member. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0031] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0032] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0033] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included. Example 1

[0034] Reference Figure 1-8, which is the first embodiment of the present invention, provides a combined high-current relay, including a relay assembly 100. In this embodiment, the relay assembly 100 includes a relay body 101, an electromagnetic component 102 arranged on the relay body 101, and a connecting piece 103 arranged at the upper end of the relay body 101.

[0035] Furthermore, the connector 103 is used to install the electromagnetic component 102 on the relay body 101. In the present embodiment, the connector 103 includes a protrusion 103a arranged at the upper end of the relay body 101 and a partition end plate 103b arranged on the protrusion 103a. The electromagnetic component 102 is arranged on the two protrusions 103a and separated by the partition end plate 103b. A buffer component 500 is arranged between the two electromagnetic components 102.

[0036] Furthermore, in this embodiment, the electromagnetic component 102 includes an outer shell, a yoke, an armature, a coil, an iron core and a contact system arranged in the outer shell, and the contact system includes a moving spring, an input terminal and an output terminal.

[0037] Furthermore, the present invention also includes an installation component 200, and the installation component 200 is used to install the electromagnetic component 102 and the protrusion 103a. In this embodiment, the installation component 200 includes a first pressure edge 201 arranged at the lower end of the electromagnetic component 102, a second pressure edge 202 arranged on the two protrusions 103a, a first lower pressure ring 206a arranged on the first pressure edge 201, and a locking edge 206b arranged on the first lower pressure ring 206a. The first lower pressure rings 206a are arranged close to each other, and the locking edges 206b between the first lower pressure rings 206a are close to each other but do not contact each other. The two locking edges 206b correspond to a recessed groove. 205, and the lateral width of the recessed groove 205 is greater than the width between the two locking edges 206b, and a matching bayonet 206c matching with the locking edge 206b is provided on the protruding connecting block 204, and the matching bayonet 206c is opened on the four sides of the protruding connecting block 204, and the position where the matching bayonet 206c is opened is a little higher, and the position height of the matching bayonet 206c is set at a position away from the recessed groove 205. When the locking edge 206b is pressed down, the locking edge 206b is obstructed and guided by the curvature of the recessed groove 205 and the edge position of the protruding connecting block 204, and the locking edge 206b is flipped upward, thereby being stuck in the matching bayonet 206c.

[0038] In this embodiment, the locking edge 206b includes a connecting piece 206d connected to the first lower pressure ring 206a and a foldable part 206e arranged on the connecting piece 206d. The several locking edges 206b on each first lower pressure ring 206a are not connected to each other, that is, the connecting pieces 206d on each first lower pressure ring 206a are not interconnected, and thus each connecting piece 206d can be bent individually. This arrangement makes it possible for each first lower pressure ring 206a to be clamped. If one of the connecting pieces 206d occasionally fails to clamp or is misaligned, the remaining connecting pieces 206d can still be clamped individually.

[0039] Furthermore, each connecting piece 206d is not connected to each other, thereby forming a certain gap, and the gap provides space for the connecting piece 206d to deform and expand after being pressed together.

[0040] Furthermore, in this embodiment, the foldable part 206e includes a first arc surface 207 and a second arc surface 208, the curvature of the first arc surface 207 is smaller than that of the second arc surface 208, the first arc surface 207 is arranged at an end position closer to the locking edge 206b, and the second arc surface 208 is arranged at a rearward position, and a mating arc groove 209 mating with the foldable part 206e is provided on the recessed groove 205, and the locking edge 206b also includes a locking end 206f arranged at the front end of the foldable part 206e and mating with the mating bayonet 206c.

[0041] A friction layer 301 is provided between the connecting piece 206d and the protruding connecting block 204, and the friction layer 301 can play a certain adhesion role.

[0042] In the present embodiment, the degree of depression of the fold 300 matches the degree of the arc-shaped protrusion at the front end of the extension portion 302. In the present embodiment, the extension portion 302 includes an abutting bending portion 302a connected to the protruding connecting block 204 and a conical portion 302b connected to the abutting bending portion 302a. The left and right side lines of the cross-sections of the conical portion 302b and the abutting bending portion 302a are symmetrical.

[0043] Preferably, when observing the cross section of the extension portion 302 from the front, the two side arcs of the abutting bent portion 302a are set by drawing a circle with the center of gravity of the abutting bent portion 302a as the center of the circle and the length of the connection between the center of gravity and the extension portion 302 and the protruding connection block 204 as the radius, forming an arc. The two side arcs of the tapered portion 302b are set by drawing a circle with the center of gravity of the tapered portion 302b as the center of the circle and half of the line connecting the center of gravity of the abutting bent portion 302a and the center of gravity of the tapered portion 302b as the radius, forming an arc. The two circles are connected by a tangent arc between the arc of the abutting bent portion 302a and the arc of the tapered portion 302b, thereby forming the two side arcs of the abutting bent portion 302a and the tapered portion 302b.

[0044] The front end of the tapered portion 302 b is configured to be quasi-conical so as to be able to press the fold 300 .

[0045] Furthermore, in the present embodiment, the buffer component 500 includes an intermediate connecting ring 503 arranged on the diaphragm end plate 103b, a first connecting ring 501 and a second connecting ring 502 arranged at both ends of the intermediate connecting ring 503, and a connecting member arranged between the first connecting ring 501 and the second connecting ring 502, wherein the connecting member includes a plurality of groups of annularly arranged connecting rod groups 505, each connecting rod group 505 includes a first connecting rod 505a rotatably connected to the inner wall of the second connecting ring 502 and a second connecting rod 505b rotatably connected to the inner wall of the first connecting ring 501, and the first connecting rod 505a and the second connecting rod 505b are hinged to each other.

[0046] Preferably, an intermediate connecting rod 504 is provided at one end of the first connecting rod 505a close to the second connecting rod 505b, and the intermediate connecting rod 504 is connected to the intermediate connecting ring 503. In this embodiment, the clamping member 600 includes a first clamping block 601 arranged on the first connecting rod 505a and a second clamping block 602 arranged on the second connecting rod 505b. The first clamping block 601 and the second clamping block 602 are arranged relative to each other. When the first connecting rod 505a and the second connecting rod 505b are separated from each other, the first clamping block 601 is also separated from the second clamping block 602. An elastic member 603 is also arranged between the first clamping block 601 and the second clamping block 602. The elastic member 603 includes a spring 603a and a connecting strip 603b arranged at both ends of the spring 603a. A mating groove 604 mating with the connecting strip 603b is provided on the first clamping block 601 and the second clamping block 602, thereby making the spring 603a detachable.

[0047] Further, an adjustable component 400 is provided on the first connecting rod 505a. In this embodiment, the adjustable component 400 includes a swing rod 401 rotatably connected to the first connecting rod 505a and a separation rod 402 rotatably connected to the end of the swing rod 401. A grabbing cylinder 403 is provided at the end of the separation rod 402. A gear 404 is provided at the lower end of each separation rod 402. A motor 405 is provided on one of the gears 404. The motor 405 is electrically controlled. A grabbing cylinder 403 is provided at the end of the separation rod. A gear 404 is provided at the lower end of each separation rod. A motor 405 is provided on one of the gears.

[0048] Furthermore, annular grooves 406 are provided on the side walls of the electromagnetic component 102, and the first connecting ring 501 and the second connecting ring 502 cooperate with the two annular grooves 406 respectively. A clamping groove is provided in the annular groove 406, and a clamping block 407 cooperating with the clamping groove is provided on the side walls of the first connecting ring 501 and the second connecting ring 502.

[0049] Operation process: During installation, the locking end 206f first contacts the mating arc groove 209, and then under the arc action of the mating arc groove 209, the locking end 206f is bent, and then extends upward after bending. As the first lower pressure ring 206a continues to press down, the foldable part 206e enters the mating arc groove 209. Because the foldable part 206e is also in contact with the mating arc groove 209, and because of the cooperation between the arc surfaces, the first arc surface 207 of the foldable part 206e is bent.

[0050] A fold 300 is provided at the junction of the first arc surface 207 and the second arc surface 208, and an extension portion 302 extends on the side wall of the protruding connecting block 204. At this time, as the first lower pressure ring 206a is pressed downward, the first lower pressure ring 206a will also press the protruding connecting block 204 downward. The downward pressure of the protruding connecting block 204 will drive the extension portion 302 on the protruding connecting block 204 to be pressed downward, thereby pressing to the position of the fold 300, thereby pressing the locking edge 206b into a "folded" state. At this time, the locking end 206f can cooperate with the mating bayonet 206c to achieve locking.

[0051] After the first connecting rod 505a and the second connecting rod 505b are close to each other, they will pull the first connecting ring and the second connecting ring closer to each other, so that the two electromagnetic components can be installed in coordination with the installation assembly.

[0052] Then, the degree of proximity of the card plate 506 can be adjusted according to different usage scenarios, by driving the swing arm 401 to approach the first connecting rod 505a and the second connecting rod 505b, and by allowing the grabbing member 402 on the swing arm 401 to grab the two ends of the spring 603a, and then by driving the rotation of the gear, thereby driving the rotation of the grabbing member 402. Because the two ends of the grabbing member 402 are in a connected state with the two ends of the spring 603a, the two grabbing members 402 can be driven to rotate, and the two ends of the spring 603a can be pulled closer or farther, thereby adjusting the distance between the first connecting ring and the second connecting ring.

[0053] The above-mentioned installation structure can be used to facilitate installation and removal of the relay body 101 , and after the electromagnetic component 102 is installed, the buffer component 500 can enable the electromagnetic component 102 to have a certain buffering capacity and can cooperate with the installation and removal of the relay body 101 .

[0054] Importantly, it should be noted that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, changes in orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete element may be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be changed or reordered according to an alternative embodiment. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also equivalent structure. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present invention. Therefore, the invention is not limited to a specific embodiment, but extends to numerous modifications still falling within the scope of the appended claims.

[0055] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment may not be described (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those features that are not relevant to implementing the invention).

[0056] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0057] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A combined high current relay, characterized in that: include, A relay assembly (100) comprising a relay body (101), an electromagnetic component (102) arranged on the relay body (101), and a connecting member (103) arranged at the upper end of the relay body (101), the connecting member (103) comprising a protrusion (103a) arranged at the upper end of the relay body (101) and a transverse partition end plate (103b) arranged on the protrusion (103a), the electromagnetic component (102) being arranged on two protrusions (103a) and separated by the transverse partition end plate (103b), and a buffer component (500) being arranged between the two electromagnetic components (102); and, The mounting assembly (200) comprises a first pressing edge (201) arranged at the lower end of the electromagnetic component (102), a second pressing edge (202) arranged on two protruding portions (103a), a first lower pressing ring (206a) arranged on the first pressing edge (201), and a locking edge (206b) arranged on the first lower pressing ring (206a), wherein the second pressing edge is provided with a protruding connecting block (204), and the protruding connecting block (204) is provided with a matching bayonet (206c) that matches the locking edge (206b).

2. The combined high current relay according to claim 1, characterized in that: The locking edge (206b) comprises a connecting piece (206d) connected to the first lower pressure ring (206a) and a foldable portion (206e) arranged on the connecting piece (206d); the plurality of locking edges (206b) on each of the first lower pressure rings (206a) are not connected to each other; the foldable portion (206e) comprises a first curved surface (207) and a second curved surface (208); the curvature of the first curved surface (207) is smaller than the curvature of the second curved surface (208); the locking edge (206b) further comprises a locking end portion (206f) arranged at the front end of the foldable portion (206e) and cooperating with the cooperating bayonet (206c).

3. The combined high current relay as claimed in claim 2, characterized in that: A fold (300) is provided at the junction of the first curved surface (207) and the second curved surface (208), and a friction layer (301) is provided between the connecting piece (206d) and the protruding connecting block (204). An extension portion (302) extends from the side wall of the protruding connection block (204); the degree of concavity of the fold (300) matches the degree of arcuate convexity of the front end of the protruding portion (302); the front end of the protruding portion (302) is provided with an abutting bent portion (302a) connected to the protruding connection block (204) and a tapered portion (302b) connected to the abutting bent portion (302a); and the left and right side lines of the cross sections of the tapered portion (302b) and the abutting bent portion (302a) are symmetrical.

4. The combined high current relay according to claim 1, characterized in that: The buffer component comprises an intermediate connecting ring 503 arranged on the diaphragm end plate (103b), a first connecting ring (501) and a second connecting ring (502) arranged at both ends of the intermediate ring, and a connecting member arranged between the first connecting ring (501) and the second connecting ring (502), wherein the connecting member comprises a plurality of connecting rod groups (505) arranged in an annular manner, wherein each connecting rod group (505) comprises a first connecting rod (505a) rotatably connected to the inner wall of the second connecting ring (502) and a second connecting rod (505b) rotatably connected to the inner wall of the first connecting ring (501), wherein the first connecting rod (505a) and the second connecting rod (505b) are hinged to each other, and an intermediate connecting rod (504) is arranged at one end of the first connecting rod (505a) close to the second connecting rod (505b), and the intermediate connecting rod (504) is connected to the intermediate connecting ring (503).

5. The combined high current relay according to claim 4, characterized in that: The pressing member (600) comprises a first clamping block (601) arranged on the first connecting rod (505a) and a second clamping block (602) arranged on the second connecting rod (505b); the first clamping block (601) and the second clamping block (602) are arranged opposite to each other, and an elastic member (603) is also arranged between the first clamping block (601) and the second clamping block (602).

6. The combined high current relay as claimed in claim 5, characterized in that: An adjustable component (400) is provided on the first connecting rod (505a), and the adjustable component (400) comprises a swing rod (401) rotatably connected to the first connecting rod (505a) and a separation rod (402) rotatably connected to the end of the swing rod (401), a grabbing cylinder (403) is provided at the end of the separation rod (402), and a gear (404) is provided at the lower end of each separation rod (402), and a motor (405) is provided on one of the gears (404).

7. The combined high current relay according to claim 6, characterized in that: Annular grooves (406) are provided on the side walls of the electromagnetic component (102), and the first connecting ring (501) and the second connecting ring (502) respectively cooperate with the two annular grooves (406).

8. The combined high current relay according to claim 1, characterized in that: A clamping groove is provided in the annular groove (406), and clamping blocks (407) cooperating with the clamping groove are provided on the side walls of the first connecting ring (501) and the second connecting ring (502).

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