Compression spring, matching structure and electromagnetic relay

Abstract

The invention relates to a pressure spring, a matching structure and an electromagnetic relay. The pressure spring is jointed between a movable spring leading-out sheet and a movable spring sheet of a movable spring part, and comprises a main pressure elastic section, the main pressure elastic section is provided with a first end and a second end which are opposite, the first end is jointed with the movable spring sheet, and the second end extends towards the direction far away from the movable spring sheet; the damping elastic section is provided with a first part and a second part which are opposite to each other, the first part is connected to the first end, and the second part extends towards the direction of the movable spring leading-out piece and also extends towards the direction far away from the second end. Therefore, the pressure spring can increase the acting force applied to the movable reed, so that the movable contact and the static contact are in rapid contact, the acting force of contact between the movable contact and the static contact is further increased, the repulsive force between the movable contact and the static contact is resisted, the movable contact and the static contact can be in reliable contact, and rapid upward pressing of the movable reed is realized.

Description

Technical Field

[0001] This application relates to the technical field of relays, and particularly to a compression spring, a mating structure, and an electromagnetic relay. Background Art

[0002] An electromagnetic relay is an electronic control device. In the electromagnetic relay, a push card is used to connect a moving reed on the contact part and an armature on the magnetic circuit part. When the armature moves, the armature drives the moving reed through the push card, so that the moving contact on the moving reed contacts or separates from the static contact on the static reed.

[0003] In the current electromagnetic relay, the compression spring is arranged on one surface of the moving reed. When the push card pushes the compression spring to drive the moving reed to move, the contact force between the moving contact on the moving reed and the static contact on the static reed is small. At the same time, there is a repulsive force when the moving contact and the static contact first come into contact, which affects the reliable contact between the moving contact and the static contact. Summary of the Invention

[0004] Based on this, in view of the problem that the contact force between the compression spring pushing the moving contact and the static contact in the current electromagnetic relay is small and there is a repulsive force, it is necessary to provide a compression spring, a mating structure, and an electromagnetic relay, which can increase the acting force between the moving contact and the static contact, resist the repulsive force, and enable the moving contact and the static contact to be reliably contacted.

[0005] A compression spring is joined between a moving reed lead-out piece of a moving reed part and the moving reed. The compression spring includes:

[0006] A main compression elastic section having opposite first and second ends. The first end is joined to the moving reed, and the second end extends in a direction away from the moving reed; and

[0007] A shock-absorbing elastic section having opposite first and second parts. The first part is connected to the first end, and the second part extends in a direction towards the moving reed lead-out piece and also extends in a direction away from the second end.

[0008] In an embodiment of the present application, the main compression elastic section includes a first connection section, a bending section, and a main compression section. The first connection section is joined to the moving reed;

[0009] The bending section is bent to connect the first connection section and the main compression section, and the main compression section extends in a direction away from the moving reed.

[0010] In an embodiment of the present application, the first connection section is connected to the moving reed, and the second part of the shock-absorbing elastic section can abut against or disengage from the moving reed lead-out piece.

[0011] In an embodiment of the present application, the main compression elastic section further includes a mounting section, the mounting section is disposed on the first connection section, the moving spring piece has a mounting hole, and the mounting section is inserted into the mounting hole;

[0012] Alternatively, the compression spring further includes a first fastener, the first fastener is installed on the moving spring piece through the first connection section to fix the main compression elastic section to the moving spring piece.

[0013] In an embodiment of the present application, the shock-absorbing elastic section includes a second connection section and a transition section, the second connection section connects the first end of the main compression elastic section and extends in the direction of the moving spring lead-out piece;

[0014] The transition section is transitionally connected to one end of the second connection section away from the first connection section, and the transition section can engage the moving spring lead-out piece.

[0015] In an embodiment of the present application, the first connection section abuts against the moving spring piece, the compression spring further includes a fixing component, and the fixing component mounts the second part of the shock-absorbing elastic section on the moving spring lead-out piece.

[0016] In an embodiment of the present application, the fixing component further includes a rotating member and a support seat, the support seat is disposed on the moving spring lead-out piece, the rotating member is disposed on the second part of the shock-absorbing elastic section and is rotatably mounted on the support seat;

[0017] Alternatively, the compression spring further includes a second fastener, and the second fastener is installed on the moving spring lead-out piece through the second part of the shock-absorbing elastic section.

[0018] In an embodiment of the present application, the main compression elastic section and the shock-absorbing elastic section are of an integral structure;

[0019] And / or, the main compression elastic section has four of the first ends, the number of the shock-absorbing elastic sections is two, the two shock-absorbing elastic sections are connected to two of the first ends, and the other two first ends engage the moving spring piece.

[0020] A mating structure includes a moving spring part and a push card, the moving spring part includes a moving spring lead-out piece, a moving spring piece, a contact disposed on the moving spring piece, and a compression spring as described in any of the above technical features;

[0021] One end of the moving spring piece is disposed on the moving spring lead-out piece, the other end is installed in the push card, and the compression spring is disposed between the moving spring lead-out piece and the moving spring piece.

[0022] An electromagnetic relay includes an electromagnetic drive structure, a static spring part, and a mating structure as described in the above technical features;

[0023] The electromagnetic driving structure drives the pushing card in the matching structure to move, so that the pushing card drives the moving spring part in the matching structure to contact or separate from the static spring part.

[0024] After adopting the above technical solution, the present application has at least the following technical effects:

[0025] For the compression spring, the matching structure and the electromagnetic relay of the present application, in this compression spring, the first end of the main compression elastic section is joined to the surface of the moving spring piece facing the moving spring lead piece and is connected to the first part of the shock-absorbing elastic section. The second end of the main compression elastic section and the second part of the shock-absorbing elastic section extend in opposite directions, and the second end of the main compression elastic section and the second part of the shock-absorbing elastic section also extend away from the moving spring piece. After the main compression elastic section is stressed, the main compression elastic section can transmit the first acting force to the moving spring piece through the first end. At the same time, the moving spring lead piece exerts a second acting force on the second part of the shock-absorbing elastic section, and this second acting force is transmitted to the moving spring piece through the first end, so that the moving spring piece drives the moving contact to abut against the static contact on the static spring piece.

[0026] In this way, when the compression spring pushes the moving spring piece to make the moving contact contact the static contact of the static spring piece, in addition to the first acting force received by the main compression elastic section, the moving spring lead piece also exerts a second acting force on the moving spring piece through the shock-absorbing elastic section, so that the moving contact contacts the static contact under the first acting force and the second acting force, increasing the acting force of the moving contact contacting the static contact, enabling the moving contact to quickly contact the static contact, and resisting the repulsive force between the moving contact and the static contact, so that the moving contact and the static contact can be reliably contacted, realizing the quick upward pressing of the moving spring piece. Brief Description of the Drawings

[0027] Figure 1 It is a schematic diagram of an electromagnetic relay according to an embodiment of the present application.

[0028] Figure 2 It is Figure 1 a disassembled schematic diagram of the electromagnetic relay shown.

[0029] Figure 3 It is Figure 2 a schematic diagram of the electromagnetic relay shown with the housing removed.

[0030] Figure 4 It is Figure 3 a front view of the cooperation of the static spring part, the matching structure and the electromagnetic driving structure shown.

[0031] Figure 5 It is Figure 4 a schematic diagram of the matching structure shown.

[0032] Figure 6 It is Figure 5 a schematic diagram of the moving spring part in the matching structure shown.

[0033] Figure 7 For Figure 6 The schematic diagram of the compression spring of the first embodiment in the moving spring part shown in the figure.

[0034] Figure 8 For Figure 7 The side view of the compression spring shown in the figure.

[0035] Figure 9 For Figure 6 The front view of the cooperation between the moving spring part with the compression spring of the first embodiment and the static spring part shown in the figure.

[0036] Figure 10 For Figure 9 The force analysis diagram of the cooperation between the moving spring part and the static spring part shown in the figure.

[0037] Figure 11 For Figure 6 The front view of the cooperation between the moving spring part with the compression spring of the second embodiment and the static spring part shown in the figure.

[0038] Figure 12 For Figure 6 The front view of the cooperation between the moving spring part with the compression spring of the third embodiment and the static spring part shown in the figure.

[0039] Figure 13 For Figure 6 The front view of the cooperation between the moving spring part with the compression spring of the fourth embodiment and the static spring part shown in the figure.

[0040] Wherein: 1. Electromagnetic relay; 10. Matching structure; 100. Moving spring part; 110. Compression spring; 111. Main compression elastic section; 1111. First end; 1112. Second end; 1113. First connection section; 1114. Bending section; 1115. Main compression section; 1116. Installation section; 112. Shock absorption elastic section; 1121. First part; 1122. Second part; 1123. Second connection section; 1124. Transition section; 114. First fastener; 115. Rotating part; 116. Support seat; 117. Second fastener; 120. Moving spring piece; 121. Protrusion; 130. Moving spring lead-out piece; 140. Moving contact; 200. Pushing card; 30. Electromagnetic drive structure; 40. Static spring part; 410. Static spring piece; 420. Static contact; 50. Outer shell. Specific embodiments

[0041] To make the above objects, features, and advantages of the present application more apparent and understandable, the following provides a detailed description of the specific embodiments of the present application in conjunction with the accompanying drawings. Many specific details are set forth in the following description to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

[0042] In the description of the present application, it should be understood that if terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or positional relationship indicated by these terms is based on the orientation or positional relationship shown in the accompanying drawings. These are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present application.

[0043] In addition, if terms such as "first" and "second" appear, these terms are only for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0044] In the present application, unless otherwise clearly specified and limited, if terms such as "install", "connect", "join", "fix", etc. appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0045] In this application, unless otherwise clearly defined and limited, if there is a description such as a first feature being "on" or "under" a second feature, its meaning can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature can be that the first feature is directly above or obliquely above the second feature, or simply means that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature can be that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower horizontal height than the second feature.

[0046] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or there can also be an intermediate element. If an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. If so, the terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used in this application are only for the purpose of illustration and do not represent the only implementation.

[0047] It can be understood that an electromagnetic relay is an electronic control device. The electromagnetic relay uses a push card to connect between the moving reed of the contact part and the armature of the magnetic circuit part. When the armature moves, the armature drives the moving reed to move through the push card, so that the moving contact on the moving reed contacts or separates from the static contact on the static reed. However, when the push card pushes the compression spring to drive the moving reed to move, the contact force between the moving contact on the moving reed and the static contact on the static reed is small. At the same time, there is a repulsive force when the moving contact and the static contact just come into contact, which affects the reliable contact between the moving contact and the static contact.

[0048] For this reason, refer to Figures 1 to 4 , this application provides a new type of compression spring 110. The compression spring 110 is applied to the matching structure 10 of the electromagnetic relay 1. Figure 1 It is a schematic diagram of the electromagnetic relay 1 according to an embodiment of this application, Figure 2 For Figure 1 the exploded schematic diagram of the electromagnetic relay 1 shown in Figure 3 For Figure 2 the schematic diagram of the electromagnetic relay 1 shown in Figure 4 For Figure 3 the front view of the cooperation of the static reed part 40, the matching structure 10 and the electromagnetic drive structure 30 shown in

[0049] To better illustrate the structure of the compression spring 110, the structures of the electromagnetic relay 1 and the matching structure 10 are briefly introduced here. Refer to Figures 1 to 4, in one embodiment, the cooperation structure 10 includes a moving spring part 100 and a pushing card 200. The moving spring part 100 includes a moving spring piece 120, a moving contact 140 disposed on the moving spring piece 120, a moving spring lead piece 130, and the compression spring 110 of the present application. The top of the moving spring piece 120 is connected to the moving spring lead piece 130, and the compression spring 110 is disposed between the moving spring lead piece 130 and the moving spring piece 120, so that the bottom of the moving spring piece 120 is away from the moving spring lead piece 130.

[0050] The electromagnetic relay 1 includes an electromagnetic driving structure 30, a static spring part 40, and the above cooperation structure 10. The electromagnetic driving structure 30 and the static spring part 40 are oppositely arranged. The cooperation structure 10 is movably disposed between the electromagnetic driving structure 30 and the static spring part 40. The electromagnetic driving structure 30 can drive the pushing card 200 to move, so that the pushing card 200 drives the moving spring part 100 to move, and further makes the moving spring part 100 contact or separate from the static spring part 40, realizing the closing or opening of the electromagnetic relay 1.

[0051] Specifically, the static spring part 40 includes a static spring piece 410 and a static contact 420 disposed on the static spring piece 410. When the electromagnetic driving structure 30 drives the pushing card 200 to move towards the static spring piece 410, the pushing card 200 can push the compression spring 110, and then the compression spring 110 can apply a force to the moving spring piece 120, so that the moving spring piece 120 moves towards the static spring piece 410, and further makes the moving contact 140 on the moving spring piece 120 contact the static contact 420 on the static spring piece 410, and the electromagnetic relay 1 closes to conduct the circuit.

[0052] When the electromagnetic driving structure 30 drives the pushing card 200 to move away from the static spring piece 410, the electromagnetic driving structure 30 drives the pushing card 200 to move away from the static spring piece 410. Further, the pushing card 200 can contact the moving spring piece 120 and drive the moving spring piece 120 to move away from the static spring piece 410, so that the moving contact 140 on the moving spring piece 120 separates from the static contact 420 on the static spring piece 410, and the electromagnetic relay 1 opens to disconnect the circuit.

[0053] Refer to Figure 1 and Figure 2 , in one embodiment, the electromagnetic relay 1 further includes a housing 50, and the electromagnetic driving structure 30, the cooperation structure 10, and the static spring part 40 are disposed in the housing 50. The electromagnetic driving structure 30, the cooperation structure 10, and the static spring part 40 are protected by the housing 50. In Figure 3 and Figure 4 , the housing 50 of the electromagnetic relay 1 is removed to expose the static spring part 40, the moving spring part 100, the pushing card 200, and the electromagnetic driving structure 30 in the electromagnetic relay 1.

[0054] It should be noted that the focus of this application lies in the structure of the compression spring 110 and the cooperation between the compression spring 110, the moving reed 120, and the moving reed lead-out piece 130. The structure and principle of the electromagnetic drive structure 30, the static reed part 40, and the pushing card 200 are not the focus of this application. The structure and connection relationship of the electromagnetic drive structure 30, the static reed part 40, and the pushing card 200 can adopt existing structures, and will not be elaborated in this application. Moreover, in the following text, it is described that the compression spring 110 pushes the moving reed 120 to make the moving contact 140 contact the static contact 420 on the static reed 410, and the separation of the moving contact 140 and the static contact 420 will not be elaborated.

[0055] The compression spring 110 of this application is joined between the moving reed 120 and the moving reed lead-out piece 130. When the pushing card 200 exerts a first acting force F1 (driving force) on the compression spring 110, the compression spring 110 can act this first acting force F1 on the moving reed 120. At the same time, the moving reed lead-out piece 130 can also exert a second acting force F2 on the compression spring 110 and act this second acting force F2 on the moving reed 120. In this way, through one pushing operation of the pushing card 200, the pushing card 200 and the moving reed lead-out piece 130 can exert a resultant force F of the first acting force F1 and the second acting force F2 on the compression spring 110, greatly increasing the acting force for the moving contact 140 on the moving reed 120 to contact the static contact 420 on the static reed 410.

[0056] When the compression spring 110 of this application pushes the moving reed 120 to make the moving contact 140 contact the static contact 420 of the static reed 410, it can increase the acting force received by the moving reed 120, enabling the moving contact 140 to quickly contact the static contact 420. Furthermore, it can increase the acting force for the moving contact 140 to contact the static contact 420 and resist the repulsive force between the moving contact 140 and the static contact 420, enabling reliable contact between the moving contact 140 and the static contact 420 and realizing the quick upward pressing of the moving reed 120.

[0057] Refer to Figures 3 to 9 , in an embodiment, the compression spring 110 includes a main compression elastic section 111 and a shock-absorbing elastic section 112. The main compression elastic section 111 has opposite first end 1111 and second end 1112. The first end 1111 is joined to the moving reed 120, and the second end 1112 extends in a direction away from the moving reed 120. The shock-absorbing elastic section 112 has opposite first part 1121 and second part 1122. The first part 1121 is connected to the first end 1111, and the second part 1122 extends in the direction of the moving reed lead-out piece 130 and also extends in a direction away from the second end 1112. Figure 5 For Figure 4 the schematic diagram of the cooperation structure 10 shown, Figure 6 For Figure 5 the schematic diagram of the moving reed part 100 in the cooperation structure 10 shown, Figure 7 ForFigure 6 Schematic diagram of the compression spring 110 of the first embodiment in the moving contact part 100 shown Figure 8 is Figure 7 Side view of the compression spring 110 shown Figure 9 is Figure 6 Front view of the moving contact part 100 shown using the compression spring 110 of the first embodiment in cooperation with the static contact part 40

[0058] The main compression elastic section 111 is the force-bearing component of the compression spring 110, and the shock-absorbing elastic section 112 is the shock-absorbing component of the compression spring 110. The main compression elastic section 111 and the shock-absorbing elastic section 112 extend in the height direction (up and down direction), and the compression spring 110 is combined between the moving contact piece 120 and the static contact piece 410 in the thickness direction (left and right direction). Regarding the height direction, thickness direction, and width direction (front and back direction) as Figures 4 to 6 shown, when describing the structure of the compression spring 110 later, only Figures 4 to 6 the direction shown is used as the reference. And Figures 4 to 7 when the compression spring 110 shown is in use, the compression spring 110 is arranged in the vertical direction, the pushing card 200 is arranged in the horizontal direction, and the pushing card 200 moves in the horizontal direction to drive the moving contact part 100 to move in the direction of approaching or departing from the static contact part 40

[0059] See Figure 7 and Figure 8 , the main compression elastic section 111 has opposite first end 1111 and second end 1112. The first end 1111 of the main compression elastic section 111 is located above, the second end 1112 of the main compression elastic section 111 is located below, the first end 1111 of the main compression elastic section 111 is joined to the moving contact piece 120, the second end 1112 of the main compression elastic section 111 extends downward, and, the second end 1112 of the main compression elastic section 111 also extends in the direction away from the moving contact piece 120. In this application, joining includes but is not limited to connecting, and can also be abutting, etc. The specific definition of joining is mentioned later

[0060] That is to say, the main compression elastic section 111 is inclined from the upper left to the lower right. In this way, the compression spring 110 is joined to the moving contact piece 120 through the first end 1111 of the main compression elastic section 111, and is cooperated with the pushing card 200 through the second end 1112 of the main compression elastic section 111. The pushing card 200 pushes the second end 1112 of the main compression elastic section 111, and then pushes the compression spring 110 to drive the moving contact piece 120 to move towards the static contact piece 410, so that the moving contact 140 on the moving contact piece 120 contacts the static contact 420 on the static contact piece 410

[0061] See Figure 7 and Figure 8, the shock-absorbing elastic section 112 has opposite first and second parts 1121 and 1122. The first part 1121 of the shock-absorbing elastic section 112 is located below, and the second part 1122 of the shock-absorbing elastic section 112 is located above. The first part 1121 of the shock-absorbing elastic section 112 connects to the first end 1111 of the main compression elastic section 111. The second part 1122 of the shock-absorbing elastic section 112 extends upward, and further, the second part 1122 of the shock-absorbing elastic section 112 also extends toward the moving spring lead piece 130 to engage with the moving spring lead piece 130. That is to say, the shock-absorbing elastic section 112 slopes from the lower left to the upper right. In this way, the compression spring 110 is combined with the main compression elastic section 111 through the first part 1121 of the shock-absorbing elastic section 112, and cooperates with the moving spring lead piece 130 through the second part 1122 of the shock-absorbing elastic section 112.

[0062] In this application, the first end 1111 of the main compression elastic section 111 is connected to the first part 1121 of the shock-absorbing elastic section 112. The second end 1112 of the main compression elastic section 111 and the second part 1122 of the shock-absorbing elastic section 112 extend in opposite directions and at the same time extend away from the moving spring piece 120. Thus, the main compression elastic section 111 and the shock-absorbing elastic section 112 arch at the connection, that is, the compression spring 110 has an arched structure with a high middle and low ends.

[0063] In this way, the compression spring 110 engages with the moving spring piece 120 through the first end 1111 of the main compression elastic section 111. After engaging with the moving spring piece 120 through the second part 1122 of the shock-absorbing elastic section 112 and pushing the card 200, when the main compression elastic section 111 is pushed, the shock-absorbing elastic section 112 can move synchronously with the main compression elastic section 111, and then apply a force to the moving spring piece 120 through the first end 1111 of the main compression elastic section 111 to push the moving spring piece 120 toward the static spring piece 410.

[0064] Refer to Figures 4 to 10 , Figure 10 For Figure 9 the force analysis diagram of the cooperation between the moving spring part 100 and the static spring part 40 as shown. When the electromagnetic drive structure 30 (not mentioned later) drives the push card 200 to move to the left, the push card 200 can push the second end 1112 of the main compression elastic section 111. At this time, the push card 200 exerts a first force F1 on the second end 1112 of the main compression elastic section 111. This first force F1 acts on the first end 1111 through the main compression elastic section 111 so that this first force F1 can push the moving spring piece 120 to move to the left in the direction of the static spring piece 410.

[0065] Meanwhile, since the main compression elastic section 111 is connected by the first end 1111 and the second end 1112, when the second end 1112 of the main compression elastic section 111 moves leftward under the first acting force F1, the main compression elastic section 111 can apply the same reaction force to the shock absorption elastic section 112 through the first end 1111. Under the action of this reaction force, the second part 1122 of the shock absorption elastic section 112 can move away from the moving reed 120 to abut against the moving reed lead piece 130. Furthermore, the moving reed lead piece 130 can apply a second acting force F2 opposite to the reaction force to the second part 1122 of the shock absorption elastic section 112.

[0066] This second acting force F2 is transmitted to the first end 1111 of the main compression elastic section 111 through the shock absorption elastic section 112 and its first part 1121. At this time, the first acting force F1 and the second acting force F2 form a resultant force F at the first end 1111 of the main compression elastic section 111. The resultant force F acts on the moving reed 120 to push the moving reed 120 to move towards the static reed 410, and further makes the moving contact 140 contact the static contact 420.

[0067] It can be understood that compared with applying the first acting force F1 to the moving reed only through the main compression elastic section, the compression spring 110 of the present application adds a shock absorption elastic section 112 to the main compression elastic section 111. In addition to the main compression elastic section 111 applying the first acting force F1 to the moving reed 120, the shock absorption elastic section 112 also applies a second acting force F2 to the moving reed 120. The resultant force F formed by the first acting force F1 and the second acting force F2 is the driving force for the compression spring 110 to push the moving reed 120.

[0068] In this way, it can greatly increase the driving force of the compression spring 110 on the moving reed 120 when the pushing card 200 pushes the compression spring 110, enable the moving reed 120 to move towards the static reed 410 quickly, so that the moving contact 140 contacts the static contact 420 quickly. At the same time, it can also increase the contact force between the moving contact 140 and the static contact 420 to overcome the repulsive force between the moving contact 140 and the static contact 420, and make the moving contact 140 and the static contact 420 contact reliably.

[0069] Moreover, the pushing card 200 can apply first acting forces F1 with different magnitudes to the second end 1112 of the main compression elastic section 111. The main compression elastic section 111 can apply a corresponding reaction force to the shock absorption elastic section 112 through the first end 1111. Furthermore, the moving reed lead piece 130 can generate a corresponding second acting force F2 on the second part 1122 of the shock absorption elastic section 112. That is to say, the magnitude of the second acting force F2 applied by the moving reed lead piece 130 to the shock absorption elastic section 112 is related to the first acting force F1 received by the second end 1112 of the main compression elastic section 111.

[0070] In this way, the magnitude of the first acting force F1 applied by the pushing card 200 to the main pressing elastic section 111 can be adjusted, and the magnitude of the second acting force F2 received by the shock-absorbing elastic section 112 can be dynamically adjusted, so as to adjust the magnitude of the driving force applied by the compression spring 110 to the moving reed 120, enabling the moving reed 120 to quickly move towards the static reed 410, and achieving the purpose of quickly matching the moving contact 140 with the static contact 420.

[0071] In this way, the compression spring 110 of the present application adopts a form in which the main pressing elastic section 111 is directly connected to the shock-absorbing elastic section 112, increasing the driving force of the compression spring 110 on the moving reed 120, enabling the moving reed 120 to quickly move towards the static reed 410, enabling the moving contact 140 on the moving reed 120 to quickly contact the static contact 420 on the static reed 410, and increasing the acting force of the contact between the moving contact 140 and the static contact 420, resisting the repulsive force between the moving contact 140 and the static contact 420, enabling reliable contact between the moving contact 140 and the static contact 420, and achieving the quick upward pressing of the moving reed 120.

[0072] Referring to Figure 7 and Figure 8 In an embodiment, the main pressing elastic section 111 and the shock-absorbing elastic section 112 are of an integral structure. That is to say, the main pressing elastic section 111 and the shock-absorbing elastic section 112 are processed and formed by an integral molding method. In this way, the structural strength at the connection between the main pressing elastic section 111 and the shock-absorbing elastic section 112 can be ensured, avoiding fracture at the connection. Of course, in other embodiments of the present application, the main pressing elastic section 111 and the shock-absorbing elastic section 112 can also adopt a split manner and be reliably connected by means such as welding.

[0073] Referring to Figures 4 to 6 In the present application, the first end 1111 of the main pressing elastic section 111 is joined to the moving reed 120, and the second part 1122 of the shock-absorbing elastic section 112 is joined to the moving reed lead-out piece 130. It can be understood that the joining here can be abutting or connecting. Further, the joining can be a movable connection or a fixed connection. Exemplarily, the main pressing elastic section 111 is connected to the moving reed 120, the shock-absorbing elastic section 112 abuts against the moving reed lead-out piece 130, or the main pressing elastic section 111 is connected to the moving reed 120, and the shock-absorbing elastic section 112 is connected to the moving reed lead-out piece 130, etc.

[0074] In principle, the connection form of the compression spring 110 with the moving reed 120 and the moving reed lead-out piece 130 is not limited, as long as the compression spring 110 can combine the moving reed 120 and the moving reed lead-out piece 130, enabling the moving reed lead-out piece 130 to generate the second acting force F2 on the shock-absorbing spring section. Several joining forms of the compression spring 110 with the moving reed and the moving reed lead-out piece 130 are introduced later, but the joining form of the compression spring 110 with the moving reed and the moving reed lead-out piece 130 is not limited to the following and can also be others.

[0075] See Figures 4 to 10 , in the first embodiment of the present application, the first end 1111 of the main compression elastic section 111 is movably connected to the moving reed 120, and the second part 1122 of the shock-absorbing elastic section 112 can abut against or disengage from the moving reed lead-out piece 130. When the pushing card 200 pushes the second end 1112 of the main compression elastic section 111, the first end 1111 of the main compression elastic section 111 can apply a first acting force F1 to the moving reed 120. At the same time, the first end 1111 of the main compression elastic section 111 can move relative to the moving reed 120, and the main compression elastic section 111 drives the shock-absorbing elastic section 112 to move through the first end 1111, so that the moving reed lead-out piece 130 applies a second acting force F2 to the shock-absorbing elastic section 112.

[0076] Refer to Figure 11 , in the second embodiment of the present application, the first end 1111 of the main compression elastic section 111 is fixedly connected to the moving reed 120, and the second part 1122 of the shock-absorbing elastic section 112 can abut against or disengage from the moving reed lead-out piece 130. Figure 11 For Figure 6 shown is the front view of the moving reed part 100 using the compression spring 110 of the second embodiment in cooperation with the static reed part 40. In this embodiment, one end of the main compression elastic section 111 is fixedly connected to the moving reed 120. Thus, when the pushing card 200 pushes the second end 1112 of the main compression elastic section 111, the main compression elastic section 111 can apply a first acting force F1 to the moving reed 120 through the first end 1111, and the main compression elastic section 111 can drive the second part 1122 of the shock-absorbing elastic section 112 to abut against the moving reed lead-out piece 130 through the first end 1111, so that the moving reed lead-out piece 130 can apply a second acting force F2 to the second part 1122 of the shock-absorbing elastic section 112.

[0077] Refer to Figure 12 , in the third embodiment of the present application, the first end 1111 of the main compression elastic section 111 abuts against the moving reed 120, and the second part 1122 of the shock-absorbing elastic section 112 is movably connected to the moving reed lead-out piece 130. Figure 12 For Figure 6 shown is the front view of the moving reed part 100 using the compression spring 110 of the third embodiment in cooperation with the static reed part 40. In this embodiment, one end of the main compression elastic section 111 abuts against the moving reed 120, and one end of the shock-absorbing elastic section 112 is movably connected to the moving reed lead-out piece 130. Thus, when the pushing card 200 pushes the second end 1112 of the main compression elastic section 111, the main compression elastic section 111 applies a first acting force F1 to the moving reed 120 through the first end 1111. At the same time, the main compression elastic section 111 also applies a force to the shock-absorbing elastic section 112 through the first end 1111, so that the moving reed lead-out piece 130 can apply a second acting force F2 to the second part 1122 of the shock-absorbing elastic section 112.

[0078] Refer toFigure 13 In the fourth embodiment of the present application, the first end 1111 of the main compression elastic section 111 abuts against the moving reed 120, and the second part 1122 of the shock-absorbing elastic section 112 is fixedly connected to the moving reed lead-out piece 130. Figure 13 For Figure 6 The front view of the moving reed part 100 shown in the cooperation of the compression spring 110 of the fourth embodiment and the static reed part 40. In this embodiment, one end of the main compression elastic section 111 abuts against the moving reed 120, and one end of the shock-absorbing elastic section 112 is fixed to the moving reed lead-out piece 130. Thus, when the push card 200 pushes the second end 1112 of the main compression elastic section 111, the main compression elastic section 111 applies a first acting force F1 to the moving reed 120 through the first end 1111. At the same time, the main compression elastic section 111 also applies a force to the shock-absorbing elastic section 112 through the first end 1111, so that the moving reed lead-out piece 130 can apply a second acting force F2 to the second part 1122 of the shock-absorbing elastic section 112.

[0079] It should be noted that the compression spring 110 in the second embodiment, the third embodiment and the fourth embodiment is a deformation of the compression spring 110 in the first embodiment, and its working principle and force-bearing process are substantially the same as those of the compression spring 110 in the first embodiment. Only the structure and joining method of the compression spring 110 in each embodiment will be introduced later. When describing the working principle and force-bearing process of the compression spring 110, only the compression spring 110 in the first embodiment will be used as an example for illustration.

[0080] Refer to Figures 4 to 13 In one embodiment, the main compression elastic section 111 includes a first connection section 1113, a bending section 1114 and a main compression section 1115. The first connection section 1113 is joined to the moving reed 120. The bending section 1114 is bent to connect the first connection section 1113 and the main compression section 1115, and the main compression section 1115 extends in a direction away from the moving reed 120. The first connection section 1113 is a component for combining the main compression elastic section 111 with the moving reed 120. The main compression section 1115 is the main component of the main compression elastic section 111. One end of the bending section 1114 is connected to the main compression section 1115, and the other end is connected to the first connection section 1113. The bending section 1114 is bent relative to the first connection section 1113 and the main compression section 1115.

[0081] The bent section 1114 can make the first connecting section 1113 present a certain angle, which is convenient for the first connecting section 1113 to fit onto the surface of the moving reed 120, and thus facilitates the engagement of the main pressing elastic section 111 with the moving reed 120. Moreover, the bent section 1114 can also achieve the transmission of the force on the main pressing section 1115. Due to the bent arrangement of the bent section 1114, when the pushing card 200 pushes the main pressing section 1115, the main pressing section 1115 can apply a force to the first connecting section 1113 through the bent section, so as to apply the first acting force F1 to the moving reed 120. At the same time, the main pressing section 1115 also applies a force to the shock-absorbing elastic section 112 through the bent section 1114 and the first connecting section 1113, so that the moving reed lead piece 130 applies a second acting force F2 to the shock-absorbing elastic section 112.

[0082] In one embodiment, the first connecting section 1113, the bent section 1114, and the main pressing section 1115 are of an integral structure. That is to say, the first connecting section 1113, the bent section 1114, and the main pressing section 1115 are processed and formed by an integral molding method. In this way, the structural strength at the connection of the first connecting section 1113, the bent section 1114, and the main pressing section 1115 can be ensured, and breakage at the connection can be avoided. Of course, in other embodiments of the present application, the first connecting section 1113, the bent section 1114, and the main pressing section 1115 can also be separately arranged and reliably connected by means such as gluing and welding.

[0083] Refer to Figures 4 to 11 , in one embodiment, the first connecting section 1113 is connected to the moving reed 120, and the second part 1122 of the shock-absorbing elastic section 112 can abut against or disengage from the moving reed lead piece 130. In the first embodiment and the second embodiment of the present application, the main pressing elastic section 111 is connected to the moving reed 120 through the first end 1111. When the pushing card 200 pushes the compression spring 110 in the direction towards the static reed 410, the pushing card 200 can push the main pressing section 1115 of the main pressing elastic section 111. The main pressing section 1115 receives the first acting force F1 of the push. The main pressing section 1115 transmits the first acting force to the first connecting section 1113 through the bent section 1114, and then acts on the moving reed 120 through the first connecting section 1113.

[0084] Meanwhile, when the pushing card 200 pushes the main pressing section 1115, the second part 1122 of the shock-absorbing elastic section 112 is driven by the bending section 1114 and the first connecting section 1113 to move towards the moving spring lead piece 130, and the second part 1122 of the shock-absorbing elastic section 112 gradually approaches the moving spring lead piece 130. When the second part 1122 of the shock-absorbing elastic section 112 abuts against the moving spring lead piece 130, the moving spring lead piece 130 exerts a second acting force F2 on the second part 1122 of the shock-absorbing elastic section 112, and the shock-absorbing elastic section 112 can transmit the second acting force F2 to the first connecting section 1113. Furthermore, the first acting force F1 and the second acting force F at the first connecting section 1113 form a resultant force F, and the moving spring piece 120 is pushed by the resultant force F to move towards the static spring piece 410.

[0085] Refer to Figures 4 to 10 , in the first embodiment of the present application, the main pressing elastic section 111 further includes a mounting section 1116. The mounting section 1116 is arranged on the first connecting section 1113. The moving spring piece 120 has a mounting hole, and the mounting section 1116 is inserted into the mounting hole and can move in the mounting hole. The mounting section 1116 protrudes from the first connecting section 1113 and extends towards the moving spring piece 120. The mounting section 1116 can be inserted into the mounting hole to movably connect the main pressing elastic section 111 to the moving spring piece 120. It should be noted that the size of the mounting section 1116 can be slightly larger than the size of the mounting hole, and the mounting section 1116 is inserted into the mounting hole by interference fit, so that the mounting section 1116 is fixed to the moving spring piece 120 to ensure the connection reliability between the compression spring 110 and the moving spring piece 120.

[0086] After the main pressing elastic section 111 is inserted into the mounting hole of the moving spring piece 120 through the mounting section 1116, the main pressing elastic section 111 and the shock-absorbing elastic section 112 can swing relative to the moving spring piece 120, which is convenient for the moving contact 140 on the moving spring piece 120 to contact or separate from the static contact 420 on the static spring piece 410. The specific working principle of the compression spring 110 in this embodiment will be described later. Optionally, the mounting section 1116 and the first connecting section 1113 are of an integral structure.

[0087] Refer to Figures 4 to 6 、 Figure 11, in the second embodiment of the present application, the compression spring 110 further includes a first fastener 114. The first fastener 114 is installed on the moving reed 120 through the first connection section 1113 to fix the main compression elastic section 111 to the moving reed 120. In this embodiment, the first connection section 1113 is fixedly installed on the moving reed 120 through the first fastener 114 to fix the main compression elastic section 111 to the surface of the moving reed 120 facing the moving reed lead-out piece 130. Optionally, the first fastener 114 is a rivet, that is, the first connection section 1113 is fixed to the moving reed 120 by riveting. Of course, in other embodiments of the present application, the first fastener 114 can also be a screw or other structure capable of fixing the first connection section 1113 to the moving reed 120.

[0088] Refer to Figures 4 to 6 , Figure 12 and Figure 13 , in one embodiment, the first connection section 1113 abuts against the moving reed 120, and the compression spring 110 further includes a fixing component. The fixing component installs the second part 1122 of the shock-absorbing elastic section 112 on the moving reed lead-out piece 130. In the third and fourth embodiments of the present application, the main compression elastic section 111 abuts against the surface of the moving reed 120 facing the moving reed lead-out piece 130 through the first connection section 1113, and the second part 1122 of the shock-absorbing elastic section 112 is installed on the moving reed lead-out piece 130 through the fixing component.

[0089] When the pushing card 200 pushes the compression spring 110 in the direction towards the static reed 410, the pushing card 200 can push the main compression section 1115 of the main compression elastic section 111. The main compression section 1115 receives the first acting force F1 of the push. The main compression section 1115 transmits the first acting force F1 to the first connection section 1113 through the bending section 1114, and then acts on the moving reed 120 through the first connection section 1113. At the same time, when the pushing card 200 pushes the main compression section 1115, it also drives the second part 1122 of the shock-absorbing elastic section 112 to abut against the moving reed lead-out piece 130 through the bending section 1114 and the first connection section 1113. At this time, the moving reed lead-out piece 130 exerts a second acting force F2 on the second part 1122 of the shock-absorbing elastic section 112. The shock-absorbing elastic section 112 can transmit the second acting force F2 to the first connection section 1113. Then, the first acting force F1 and the second acting force F at the first connection section 1113 form a resultant force F, and the moving reed 120 is pushed towards the static reed 410 through the resultant force F.

[0090] Refer to Figures 4 to 6 , Figure 12, in the third embodiment of the present application, the fixing member further includes a rotating member 115 and a support seat 116. The support seat 116 is disposed on the moving spring lead piece 130, and the rotating member 115 is disposed on the second part 1122 of the shock-absorbing elastic section 112 and is rotatably mounted on the support seat 116. Optionally, the rotating member 115 is a rotating shaft. The second part 1122 of the shock-absorbing elastic section 112 is rotatably mounted on the support seat 116 through the rotating member 115, so that the second part 1122 of the shock-absorbing elastic section 112 is rotatably mounted on the support seat 116.

[0091] Refer to Figures 4 to 6 , Figure 13 , in the fourth embodiment of the present application, the compression spring 110 further includes a second fastener 117. The second fastener 117 passes through the second part 1122 of the shock-absorbing elastic section 112 and is mounted on the moving spring lead piece 130. In this embodiment, the second part 1122 of the shock-absorbing elastic section 112 is fixed to the moving spring lead piece 130 through the second fastener 117 to fix the shock-absorbing elastic section 112 to the surface of the moving spring lead piece 130 facing the moving spring piece 120. Optionally, the second fastener 117 is a rivet, that is, the shock-absorbing elastic section 112 is fixed to the moving spring piece 120 by riveting. Of course, in other embodiments of the present application, the second fastener 117 may also be a screw or other structure capable of fixing the shock-absorbing elastic section 112 to the moving spring lead piece 130.

[0092] Refer to Figures 5 to 11 , in one embodiment, the shock-absorbing elastic section 112 includes a second connecting section 1123 and a transition section 1124. The second connecting section 1123 connects the first end 1111 of the main compression elastic section 111 and extends in the direction of the moving spring lead piece 130. The transition section 1124 is transitionally connected to one end of the second connecting section 1123 away from the first connecting section 1113, and the transition section 1124 can be engaged with the moving spring lead piece 130.

[0093] The second connecting section 1123 is the main body component of the shock-absorbing elastic section 112. The transition section 1124 is for the shock-absorbing elastic section 112 to be engaged with the moving spring lead piece 130 and can connect the second connecting section 1123. One end of the second connecting section 1123 is connected to the first connecting section 1113, and the other end of the second connecting section 1123 is connected to the transition section 1124. The transition section 1124 is recessed upward to facilitate the engagement of the shock-absorbing elastic section 112 with the moving spring lead piece 130.

[0094] In this way, when the pushing card 200 pushes the second end 1112 of the main pressing elastic section 111, the first acting force F1 received by the second end 1112 of the main pressing elastic section 111 can be transmitted to the first connecting section 1113 and act on the moving reed 120. At the same time, the main pressing elastic section 111 can also drive the second connecting section 1123 and the transition section 1124 to move towards the moving reed lead-out piece 130 through the first connecting section 1113. At this time, the moving reed lead-out piece 130 presses against the transition section 1124 to apply a second acting force F2 to the transition section 1124. The second acting force F2 is transmitted to the first connecting section 1113 through the second connecting section 1123 and acts on the moving reed 120.

[0095] Refer to Figures 7 to 11 , in the first embodiment and the second embodiment of the present application, the shock-absorbing elastic section 112 abuts against or disengages from the moving reed lead-out piece 130 through the transition section 1124. In the initial state, the transition section 1124 is disengaged from the moving reed lead-out piece 130, and there is a certain distance between the two. When the pushing card 200 pushes the main pressing elastic section 111 to move towards the static reed 410, the main pressing elastic section 111 acts the first acting force F1 on the moving reed 120. At the same time, when the main pressing elastic section 111 drives the shock-absorbing elastic section 112 to move towards the moving reed lead-out piece 130, the transition section 1124 gradually approaches the moving reed lead-out piece 130. When the transition section 1124 abuts against the moving reed lead-out piece 130, the moving reed lead-out piece 130 applies a second acting force F2 to the transition section 1124.

[0096] That is to say, when the pushing card 200 just applies the first acting force F1 to the main pressing elastic section 111, the moving reed lead-out piece 130 does not apply the second acting force F2 to the shock-absorbing elastic section 112 at the beginning. At this time, only the compression spring 110 pushes the moving reed 120 under the action of the first acting force F1. After a period of time, when the shock-absorbing elastic section 112 abuts against the moving reed lead-out piece 130 through the transition section 1124, the moving reed lead-out piece 130 applies a second acting force to the shock-absorbing elastic section 112. At this time, the compression spring 110 pushes the moving reed 120 under the action of the first acting force F1 and the second acting force F2.

[0097] In the third embodiment and the fourth embodiment of the present application, the shock-absorbing elastic section 112 can be connected to the rotating member 115 or the third fastener through the transition section 1124. Of course, the transition section 1124 can also be flattened or improved into other forms to facilitate the connection between the shock-absorbing elastic section 112 and the rotating member 115 or the third fastener. When the pushing card 200 pushes the main pressing elastic section 111 to move towards the static reed 410, the main pressing elastic section 111 acts the first acting force F1 on the moving reed 120. At the same time, the main pressing elastic section 111 drives the shock-absorbing elastic section 112 to move towards the moving reed lead-out piece 130. At this time, the moving reed lead-out piece 130 directly applies a second acting force F2 to the transition section 1124.

[0098] In one embodiment, the second connecting section 1123 and the transition section 1124 are of an integral structure. That is to say, the second connecting section 1123 and the transition section 1124 are processed by an integral molding method. In this way, the structural strength at the connection between the second connecting section 1123 and the transition section 1124 can be ensured, and breakage at the connection between the second connecting section 1123 and the transition section 1124 can be avoided. Of course, in other embodiments of the present application, the second connecting section 1123 and the transition section 1124 can also be separately provided and connected by means such as welding.

[0099] Referring to Figure 7 , in one embodiment, the main compression elastic section 111 has four first ends 1111, the number of the shock absorption elastic sections 112 is two, the two shock absorption elastic sections 112 are connected to two of the first ends 1111, and the other two first ends 1111 are joined to the moving reed 120. Two of the four first ends 1111 are connected to the first parts 1121 of the two shock absorption elastic sections 112, and the other two first ends 1111 are joined to the moving reed 120. In this way, the reliability of the connection between the compression spring 110 and the moving reed 120 can be improved.

[0100] Referring to Figures 4 to 10 , the compression spring 110 of the present application adopts a form in which the main compression elastic section 111 is directly connected to the shock absorption elastic section 112. The pushing card 200 pushes the second end 1112 of the main compression elastic section 111 to the left. At this time, the pushing card 200 exerts a first acting force F1 on the second end 1112 of the main compression elastic section 111. This first acting force F1 acts on the first end 1111 through the main compression elastic section 111. At the same time, the main compression elastic section 111 can exert the same reaction force on the shock absorption elastic section 112 through the first end 1111. Under the action of this reaction force, the second part 1122 of the shock absorption elastic section 112 can gradually approach the moving reed lead-out piece 130. At this time, the moving reed 120 is only pushed by the first acting force F1 to move to the left in the direction towards the static reed 410.

[0101] After the pushing card 200 pushes the main compression elastic section 111 for a period of time, the second part 1122 of the shock absorption elastic section 112 abuts against the moving reed lead-out piece 130. The moving reed lead-out piece 130 can exert a second acting force F2 opposite to the reaction force on the second part 1122 of the shock absorption elastic section 112. This second acting force F2 is transmitted to the first end 1111 of the main compression elastic section 111 through the shock absorption elastic section 112. At this time, the first acting force F1 and the second acting force F2 form a resultant force F at the first end 1111 of the main compression elastic section 111. The resultant force F acts on the moving reed 120 to push the moving reed 120 to move towards the static reed 410, so that the moving contact 140 comes into contact with the static contact 420.

[0102] Thus, when the pushing card 200 pushes the moving reed 120 through the compression spring 110, at the beginning, only the first acting force F1 is used to push the moving reed 120. Later, the resultant force F of the first acting force F1 and the second acting force F2 is used to push the moving reed 120. In this way, the driving force received by the moving reed 120 suddenly increases, enabling the moving reed 120 to move rapidly towards the static reed 410, so that the moving contact 140 can quickly contact the static contact 420. At the same time, the contact force between the moving contact 140 and the static contact 420 can also be increased to overcome the repulsive force between the moving contact 140 and the static contact 420, ensuring reliable contact between the moving contact 140 and the static contact 420.

[0103] Refer to Figures 4 to 10 , when the electromagnetic relay 1 is subjected to a short-circuit resistance test, the moving contact 140 on the moving reed 120 is short-circuited and connected to the static contact 420 on the static reed 410. At this time, the current in the moving reed 120 increases, and the protrusion 121 on the moving reed 120 arches towards the left. The moving reed 120 can drive the damping elastic section 112 to move towards the left through the first end 1111 of the main pressure elastic section 111. At this time, the abutting degree between the damping elastic section 112 and the moving reed lead piece 130 decreases, so as to reduce the second acting force F2 exerted by the moving reed lead piece 130 on the damping elastic section 112. Because the damping elastic section 112 and the main pressure elastic section 111 are force-linked, the first acting force F1 received by the main pressure elastic section 111 also decreases.

[0104] Since the first acting force F1 received by the main pressure elastic section 111 decreases, the moving contact 140 and the static contact 420 push the moving reed 120 to overcome the first acting force F1 and push to the right under the action of the repulsive force, so that the reaction force of the push to the right does not increase rapidly. At this time, the moving reed 120 can drive the pushing card 200 to move to the right through the main pressure elastic section 111, and then the pushing card 200 can push the armature in the electromagnetic driving structure 30 to bounce off, avoiding the failure of the electromagnetic driving structure 30 and ensuring the service performance of the electromagnetic driving structure 30.

[0105] That is to say, when the electromagnetic relay 1 is subjected to a short-circuit resistance test, since the second acting force F2 received by the damping elastic section 112 decreases when the moving reed 120 drives the damping elastic section 112 to move towards the left, the first acting force F1 received by the main pressure elastic section 111 is further reduced. In this way, when the moving contact 140 and the static contact 420 bounce off under the action of the repulsive force, due to the action of the first acting force F1 of the main pressure elastic section 111, the reaction force does not increase rapidly, and thus the situation of the armature bouncing off and failing will not occur.

[0106] Refer to Figures 4 to 10, when the electromagnetic drive structure 30 drives the push card 200 to pull the moving contact 140 on the moving reed 120 away from the fixed contact 420 on the fixed reed 410, the push card 200 starts to move to the right, and the second end 1112 of the main pressure elastic section 111 disengages from the push card 200. That is, when the push card 200 starts to move to the right, the second end 1112 of the main pressure elastic section 111 has not kept up with the movement of the push card 200. The first force F1 applied to the main pressure elastic section 111 is the smallest, and thus the second force F2 applied to the shock-absorbing elastic section 112 is also the smallest. At this time, the driving force applied to the moving reed 120 is also the smallest, which can reduce the resistance to the separation of the moving contact 140 from the fixed contact 420 and facilitate the separation of the moving contact 140 from the fixed contact 420.

[0107] The push card 200 continues to move to the right and can contact the moving reed 120. At this time, the push card 200 pushes the moving reed 120 to move to the right, causing the moving contact 140 to separate from the fixed contact 420. During this process, the moving reed 120 can compress the shock-absorbing elastic section 112. At this time, the moving reed lead piece 130 applies the second force F2 to the shock-absorbing elastic section 112. During the separation of the moving contact 140 from the fixed contact 420, the second force F2 gradually increases, and when the gap between the moving contact 140 and the fixed contact 420 is the largest, the second force F2 is also the largest.

[0108] Due to the existence of this second force F2, it can prevent the main pressure elastic section 111 from swinging relative to the moving reed 120, thereby preventing the main pressure elastic section 111 from applying a driving force to the moving reed 120 to cause the moving reed 120 to bounce back. Furthermore, it can prevent the moving contact 140 from coming into contact with the fixed contact 420 when the electromagnetic relay 1 is disconnected, realizing the reliable disconnection of the electromagnetic relay 1. Moreover, when the electromagnetic relay 1 is disconnected, due to the existence of the second force F2, it can overcome the holding force of the armature, render the armature ineffective, and reduce the resistance to the closing of the electromagnetic relay 1 in the later stage.

[0109] Refer to Figures 3 to 6 , the present application further provides a matching structure 10, including a moving reed part 100 and a push card 200. The moving reed part 100 includes a moving reed lead piece 130, a moving reed 120, a contact arranged on the moving reed 120, and a compression spring 110 as described in any of the above embodiments. One end of the moving reed 120 is arranged on the moving reed lead piece 130, and the other end is installed in the push card 200. The compression spring 110 is arranged between the moving reed lead piece 130 and the moving reed 120. After adopting the compression spring 110 of the above embodiment in the matching structure 10 of the present application, it can enable the moving contact 140 to quickly contact the fixed contact 420 and increase the contact force between the moving contact 140 and the fixed contact 420, so that the moving contact 140 and the fixed contact 420 are in reliable contact.

[0110] Refer to Figures 1 to 10, the present application also provides an electromagnetic relay 1, which includes an electromagnetic driving structure 30, a static reed part 40, and a matching structure 10 as described in the above embodiments. The electromagnetic driving structure 30 drives the pushing card 200 in the matching structure 10 to move, so that the pushing card 200 drives the moving reed part 100 in the matching structure 10 to contact or separate from the static reed part 40. After the electromagnetic relay 1 of the present application adopts the above-mentioned matching structure 10, the moving contact 140 can be quickly brought into contact with the static contact 420, and the contact force between the moving contact 140 and the static contact 420 can be increased, so that the moving contact 140 and the static contact 420 are in reliable contact. At the same time, during the short-circuit resistance test, the armature in the electromagnetic driving structure 30 can be reliably bounced off. Moreover, when the electromagnetic relay 1 is disconnected, the bounce-back of the moving contact 140 can be reduced, and the resistance for the subsequent closing of the electromagnetic relay 1 can be decreased.

[0111] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0112] The above-described embodiments only represent several implementation manners of the present application, and the description thereof is relatively specific and detailed. However, it should not be construed as a limitation to the scope of the patent application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several deformations and improvements can still be made, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the appended claims.

Claims

1. A compression spring, characterized in that: The compression spring is connected between the dynamic spring lead-out piece and the dynamic spring piece of the dynamic spring part, and the compression spring includes: a main pressure elastic section, the main pressure elastic section having a first end and a second end opposite to each other, the first end engaging the movable spring sheet, and the second end extending in a direction away from the movable spring sheet; and The shock-absorbing elastic section has a first portion and a second portion opposite to each other, wherein the first portion is connected to the first end, and the second portion extends toward the direction of the movable spring lead-out piece and also extends toward a direction away from the second end.

2. The compression spring according to claim 1, characterized in that: The main pressure elastic section includes a first connecting section, a bending section and a main pressure section, and the first connecting section is connected to the dynamic spring sheet; The bending section is bent to connect the first connecting section and the main pressing section, and the main pressing section extends in a direction away from the movable spring sheet.

3. The compression spring according to claim 2, characterized in that: The first connecting section is connected to the movable spring piece, and the second portion of the shock-absorbing elastic section can abut against or be separated from the movable spring lead-out piece.

4. The compression spring according to claim 3, characterized in that: The main pressure elastic section further comprises a mounting section, the mounting section is arranged on the first connecting section, the movable spring has a mounting hole, and the mounting section is inserted into the mounting hole; Alternatively, the compression spring further includes a first fastener, and the first fastener passes through the first connecting section and is installed on the dynamic spring piece to fix the main compression elastic section to the dynamic spring piece.

5. The compression spring according to claim 3, characterized in that: The shock-absorbing elastic section includes a second connecting section and a transition section, wherein the second connecting section is connected to the first end of the main pressure elastic section and extends toward the direction of the dynamic spring lead-out sheet; The transition section transitionally connects the second connection section to an end away from the first connection section, and the transition section can engage with the dynamic spring lead-out piece.

6. The compression spring according to claim 2, characterized in that: The first connecting section abuts against the movable spring piece, and the compression spring further comprises a fixing component, and the fixing component mounts the second portion of the shock-absorbing elastic section on the movable spring lead-out piece.

7. The compression spring according to claim 6, characterized in that: The fixing component further comprises a rotating member and a supporting seat, wherein the supporting seat is arranged on the movable spring lead-out piece, and the rotating member is arranged on the second part of the shock-absorbing elastic section and is rotatably mounted on the supporting seat; Alternatively, the compression spring further includes a second fastener, and the second fastener passes through the second portion of the shock-absorbing elastic section and is installed on the dynamic spring lead-out piece.

8. The compression spring according to any one of claims 1 to 7, characterized in that: The main pressure elastic section and the shock absorbing elastic section are an integrated structure; And / or, the main pressure elastic section has four first ends, the number of the shock-absorbing elastic sections is two, two of the shock-absorbing elastic sections are connected to two of the first ends, and the other two first ends are engaged with the movable spring sheet.

9. A matching structure, characterized in that: It comprises a movable spring part and a push card, wherein the movable spring part comprises a movable spring lead-out piece, a movable spring piece, a contact point arranged on the movable spring piece, and a compression spring according to any one of claims 1 to 8; One end of the movable spring piece is arranged on the movable spring lead-out piece, and the other end is installed in the push card, and the compression spring is arranged between the movable spring lead-out piece and the movable spring piece.

10. An electromagnetic relay, characterized in that: It comprises an electromagnetic drive structure, a static spring part and a matching structure as claimed in claim 9; The electromagnetic driving structure drives the push card in the matching structure to move, so that the push card drives the moving spring part in the matching structure to contact or separate from the static spring part.

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