A switch contact structure and a toggle switch

Abstract

The present invention provides a switch contact structure and a toggle switch, comprising: a mounting carrier; a contact mechanism, arranged inside the mounting carrier, comprising a moving contact and a stationary contact arranged opposite to each other; a control member, movably mounted inside the mounting carrier, and used for driving the moving contact to separate and disconnect from the stationary contact; an elastic shunt sheet, electrically connected to the moving contact, the elastic shunt sheet applying an elastic force toward the moving contact to cause it to abut against the stationary contact, the elastic shunt sheet in the toggle switch can shunt current and also apply a pressing force to the moving contact to reduce the contact resistance between the moving contact and the stationary contact.

Description

Technical Field

[0001] The present invention relates to the technical field of toggle switches, and in particular to a switch contact structure and a toggle switch. Background Art

[0002] The toggle switch, also known as the toggle switch or the dip switch, works on the principle of connecting and disconnecting the circuit. When the switch operator flips the switch, the contact mechanism inside the switch switches to the appropriate position, thereby starting or stopping the current and connecting or disconnecting the circuit.

[0003] In the prior art, the contact mechanism usually includes a moving contact and a stationary contact, and a lever is connected above the moving contact. When the lever is subjected to the force of the switch operator, the lever will be pushed, thereby squeezing the moving contact to deform toward the side away from the stationary contact, so that the moving contact and the stationary contact are disconnected. When the lever is pushed to the other side, the moving contact will deform toward the side close to the stationary contact due to its own elastic restoring force, and the moving contact and the stationary contact will switch from the disconnected state to the closed state. When the moving contact and the stationary contact are in the closed state, the current will flow between the moving contact and the stationary contact. Due to the limited current carrying capacity of the moving contact, when the current on the moving contact is too large and the flow is insufficient When the temperature of the moving contact will rise, because the moving contact and the stationary contact are made of metal materials, and the lever is made of plastic, the melting point of the lever is lower than those of the moving contact and the stationary contact. When the temperature of the moving contact and the stationary contact rises to the melting point of the lever, the contact portion of the lever with the moving contact will melt, and the lever will be moved but the moving contact cannot be separated from the stationary contact. In the prior art, the contact force between the moving contact and the stationary contact is provided only by the elastic force of the moving contact itself. During the long-term disconnection process, the elastic force of the moving contact will gradually be lost, so that the moving contact cannot contact the stationary contact, and finally the toggle switch fails. Summary of the invention

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defect in the prior art that the control component partially melts due to the excessive temperature of the moving contact and the static contact, causing the contact mechanism to fail, thereby providing a switch contact structure that can divert current and avoid the moving contact from overheating, while also providing thrust for the moving contact and making it more closely connected to the static contact.

[0005] To this end, the present invention provides a switch contact structure, including: a mounting carrier; a contact mechanism, arranged inside the mounting carrier, which includes a moving contact and a stationary contact arranged relatively to each other, the moving contact being controlled by a control member to abut against or separate from the stationary contact; an elastic shunt plate, electrically connected to the moving contact, the elastic shunt plate applying an elastic force toward the moving contact to cause it to abut against the stationary contact.

[0006] Furthermore: a moving contact piece and a stationary contact piece are also provided on the installation carrier, the moving contact is provided on the moving contact piece, and the moving contact piece is connected to the elastic shunt piece, and the stationary contact is provided on the stationary contact piece.

[0007] Furthermore: the elastic shunt piece includes an elastic piece in contact with the moving contact piece and an extension piece arranged at one end of the elastic piece away from the moving contact piece, and the connection between the elastic piece and the extension piece has an arc surface in contact with the moving contact.

[0008] Furthermore: the elastic diverter piece and the moving contact piece are integrally formed.

[0009] Furthermore: the movable contact piece and the elastic diverter piece are both made of brass material.

[0010] Further: an elastic clamping plate is provided at one end of the elastic diverter plate that contacts the moving contact plate, and the elastic clamping plate includes a first clamping plate and a second clamping plate respectively wrapped around the two end surfaces of the moving contact plate, and a bottom plate arranged between the first clamping plate and the second clamping plate, and the first clamping plate and the second clamping plate are respectively provided with a first clamping part and a second clamping part arranged opposite to each other.

[0011] Furthermore: the moving contact piece is made of brass material, and the elastic diverter piece is made of phosphor bronze material or copper alloy material.

[0012] Furthermore: a connecting piece for connecting the elastic clamping piece and the elastic piece is provided between the two, one end of the connecting piece is connected to the bottom piece or the first clamping piece or the second clamping piece, and the other end is connected to the elastic piece.

[0013] Furthermore: one end of the connecting piece is connected to the bottom piece, and the other end is connected to the elastic piece, and the elastic piece extends from a side away from the connecting piece to a side close to the static contact piece.

[0014] Furthermore: one end of the connecting piece is connected to the first clamping piece or the second clamping piece, and the other end is connected to the elastic piece, and the elastic piece extends from a side away from the connecting piece to a side close to the moving contact piece.

[0015] A toggle switch comprises the switch contact structure, the control member is a toggle lever, the mounting carrier is a shell, the toggle lever is movably mounted in the shell and is used to drive the moving contact to separate and disconnect from the static contact, and the switch contact structure is mounted inside the shell.

[0016] The technical solution of the present invention has the following advantages:

[0017] 1. The present invention provides a switch contact structure. When the moving contact and the static contact are closed, the current flows from the static contact and then flows to the moving contact through the contact point between the moving contact and the static contact. The current carrying capacity of the moving contact determines the temperature of the moving contact in the closed state. Through the provision of the elastic shunt plate, part of the current flowing to the moving contact will flow out from the elastic shunt plate, which has a shunting effect, thereby reducing the temperature of the moving contact and preventing the moving contact from melting at the contact part between the control part and the moving contact due to excessive temperature, resulting in switch failure. While playing the shunting role, the elastic shunt plate can provide an upward thrust to the moving contact due to the elastic force of the elastic shunt plate itself, thereby ensuring the contact pressure between the moving and static contacts, and increasing the contact surface of the contact point between the moving contact and the static contact by increasing the pressing force between the moving contact and the static contact. When the contact surface between the moving contact and the static contact is larger, the contact resistance between the two contacts is smaller, and the current guiding effect is better. It can reduce the temperature between the moving contact and the static contact to a certain extent, and better protect the control part.

[0018] 2. A switch contact structure provided by the present invention can better fix the positions of the moving contact and the static contact through the setting of the moving contact piece and the static contact piece. The current first passes through the static contact piece, then flows to the static contact through the static contact piece, and then flows to the moving contact piece and the elastic shunt piece through the moving contact at the same time. The current on the moving contact piece and the elastic shunt piece is collected on the moving contact piece and then flows to the wiring terminal, and the current is drawn out from the wiring terminal.

[0019] 3. A switch contact structure provided by the present invention, the elastic shunt plate includes an elastic plate and an extension plate, the connection between the elastic plate and the extension plate forms an arc surface in contact with the lower end surface of the moving contact, through the setting of the arc surface, the contact area between the elastic shunt plate and the moving contact can be increased while the wear between the elastic shunt plate and the lower end surface of the moving contact can be reduced, and the elastic shunt plate can gather the upward thrust to the arc surface, thereby pushing the moving contact upward more stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a cross-sectional structural schematic diagram of a toggle switch embodiment 1;

[0022] Figure 2 It is a cross-sectional structural schematic diagram of a toggle switch embodiment 2;

[0023] Figure 3Schematic diagram of the connection structure between the moving contact and the elastic shunt sheet in Example 1;

[0024] Figure 4 Schematic diagram of the connection structure between the moving contact and the elastic shunt sheet in Example 2;

[0025] Figure 5 Schematic diagram of the structure of the elastic diverter in Example 1;

[0026] Figure 6 Schematic diagram of the structure of the elastic diverter in Example 2.

[0027] Description of reference numerals:

[0028] 1. Mounting carrier; 10. Control component; 2. Contact mechanism; 21. Moving contact; 22. Static contact; 3. Elastic shunt plate; 31. Elastic plate; 32. Extension plate; 4. Moving contact plate; 5. Static contact plate; 6. Elastic clamping plate; 61. First clamping plate; 62. Second clamping plate; 63. Bottom plate; 64. First clamping part; 65. Second clamping part; 7. Connecting plate; 8. Limiting block. DETAILED DESCRIPTION

[0029] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0033] Example 1

[0034] The present embodiment provides a switch contact structure, comprising: a mounting carrier 1; a contact mechanism 2, arranged inside the mounting carrier 1, comprising a moving contact 21 and a stationary contact 22 arranged opposite to each other, wherein the moving contact is controlled by a control member to abut against or separate from the stationary contact; an elastic shunt plate 3, electrically connected to the moving contact 21, wherein the elastic shunt plate 3 applies an elastic force toward the moving contact 21 to cause it to abut against the stationary contact 22.

[0035] The above specific improvements are: Figure 1 and Figure 2 As shown, compared with the prior art, an elastic shunt sheet 3 connected to the moving contact 21 is arranged below the moving contact 21 to shunt the current on the moving contact 21, thereby preventing the moving contact 21 from overheating due to excessive current. The elastic shunt sheet 3 is arranged below the moving contact 21 and contacts the lower end surface of the moving contact 21. When working, the moving contact 21 and the static contact 22 are controlled to open or close by toggling the control member 10. When the moving contact 21 and the static contact 22 are closed, the moving contact 21 and the static contact 22 are closed. When the switch is turned on, the current flows in from the terminal of the static contact piece 5, passes through the static contact piece 5 and the static contact 22, and then flows to the moving contact 21 through the contact point (silver point) between the moving contact 21 and the static contact 22. The smaller the contact area between the moving contact 21 and the static contact 22, the greater the contact resistance. The specific principle is as follows: from the microscopic analysis of the silver point contact surface on the moving contact 21 and the static contact 22, the surface of the silver conductor looks very smooth with the naked eye, but when magnified and observed under a microscope, the surface of the conductor is uneven. Therefore, the two conductors are not in complete contact when they are against each other. When current flows from one conductor to another, the current flows through the contact area of ​​the two conductors. Due to the decrease in the effective cross-sectional area through which the current passes, the resistance at the interface becomes larger instantly than that of the two conductors. Conversely, the increase in contact pressure at the connection between the two conductors will cause further deformation of the contact position of the two conductors, thereby increasing the contact area between the two conductors and reducing the contact resistance. In other words, the contact resistance is inversely proportional to the contact pressure. The most intuitive understanding is that the greater the contact pressure, the tighter the contact between the two conductors, the more uneven contact points there will be, and the contact area increases with the increase in contact pressure. Of course, the contact area is limited, so the contact area will increase with the increase in contact pressure, but the trend of increasing contact area will gradually slow down. In other words, the trend of decreasing contact resistance with increasing contact pressure will gradually slow down. Therefore, the setting of the elastic force is also selective. Under the condition of controllable cost, the purpose of this embodiment is to appropriately increase the pressure that the elastic shunt plate 3 can provide to the moving contact 21.

[0036] Therefore, the elastic shunt sheet 3 provided in the present embodiment can increase the abutting force between the moving contact 21 and the stationary contact 22 to increase the contact surface of the contact point between the moving contact 21 and the stationary contact 22. When the contact surface between the moving contact 21 and the stationary contact 22 is larger, the contact resistance at the connection between the two conductors is lower, and the current guiding effect is better. At the same time, the current carrying capacity of the moving contact 21 determines the temperature of the moving contact 21 in the closed state. When the current is too large and the current carrying capacity is too low, the temperature of the moving contact 21 will rise. Due to the setting of the flow sheet 3, part of the current flowing to the moving contact 21 will flow out from the elastic shunt sheet 3, thereby achieving a shunting effect, reducing the temperature of the moving contact 21, and preventing the moving contact 21 from melting at the contact portion between the control component 10 and the moving contact 21 due to excessively high temperature, thereby causing switch failure. The elastic shunt sheet 3 in this embodiment not only shunts the current and reduces the temperature of the moving contact 21, but also provides an upward thrust to the moving contact 21 due to the elastic force of the elastic shunt sheet 3 itself, thereby reducing the contact resistance at the connection between the two conductors and improving the current passing rate.

[0037] On the basis of the above embodiment: the mounting carrier 1 is further provided with a moving contact piece 4 and a stationary contact piece 5 , the moving contact piece 4 is provided with the moving contact 21 , and the moving contact piece 4 is connected to the elastic shunt piece 3 , and the stationary contact piece 5 is provided with the stationary contact 22 .

[0038] The above-mentioned specific improvements are as follows: through the arrangement of the moving contact piece 4 and the static contact piece 5, the positions of the moving contact and the static contact can be better fixed, ensuring that the moving contact 21 and the static contact 22 can be normally opened and closed. The current first passes through the static contact piece 5, then flows to the static contact through the static contact piece 5, and then flows to the moving contact piece 4 and the elastic shunt piece 3 through the moving contact at the same time. The current on the moving contact piece 4 and the elastic shunt piece 3 is collected on the moving contact piece 4 and then flows to the wiring terminal, and the current is led out from the wiring terminal. The elastic shunt piece 3 can be arranged above the moving contact 21 or below the moving contact 21. One end of the elastic shunt piece 3 is electrically connected to the moving contact 21, and the other end is electrically connected to the moving contact piece 4, so that the current passing through the moving contact 21 can be guided to the moving contact piece 4 through the elastic shunt piece 3, while providing a clamping force to the moving contact 21, so that the moving contacts and static contacts on the moving contact 21 and the static contact 22 can be in close contact.

[0039] Based on the above embodiment: the elastic shunt piece 3 includes an elastic piece 31 in contact with the moving contact piece 4 and an extension piece 32 arranged at one end of the elastic piece 31 away from the moving contact piece 4, and the connection between the elastic piece 31 and the extension piece 32 has an arc surface in contact with the moving contact 21.

[0040] The above specific improvements are: Figure 3-Figure 6As shown, the elastic diverter piece 3 includes an elastic piece 31 and an extension piece 32. The connection between the elastic piece 31 and the extension piece 32 forms an arc surface that contacts the lower end surface of the moving contact 21. Through the setting of the arc surface, the contact area between the elastic diverter piece 3 and the moving contact 21 can be increased while the wear between the elastic diverter piece 3 and the lower end surface of the moving contact 21 can be reduced. The elastic diverter piece 3 can gather the upward thrust to the arc surface, so that when the moving contact 21 loses the resistance force of the control part 10, the moving contact 21 can be pushed upward more stably.

[0041] On the basis of the above embodiment: the elastic diverter piece 3 and the movable contact piece 4 are integrally formed.

[0042] On the basis of the above embodiment: the movable contact piece 4 and the elastic diverter piece 3 are both made of brass material.

[0043] The above specific improvements are:

[0044] Example 1: Figure 1 As shown, the elastic shunt piece 3, the moving contact piece 4 and the moving contact 21 are integrally formed. When current passes through the moving contact 21, part of the current of the moving contact 21 will pass through the elastic shunt piece 3 to the moving contact piece 4, and then be led out from the contact terminal of the moving contact piece 4. In addition, the elastic shunt piece 3, the moving contact piece 4 and the moving contact 21 can be formed by stamping and bending from a piece of brass sheet material, which effectively reduces the processing procedures and improves the utilization rate of raw materials.

[0045] Example 2

[0046] The present embodiment provides a switch contact structure, including: a mounting carrier 1; a contact mechanism 2, which is arranged inside the mounting carrier 1, and includes a moving contact 21 and a stationary contact 22 arranged opposite to each other; a control member 10, an elastic shunt plate 3, which is electrically connected to the moving contact 21, and the elastic shunt plate 3 applies an elastic force toward the moving contact 21 to make it resist the stationary contact 22.

[0047] The above specific improvements are: Figure 1 and Figure 2As shown, compared with the prior art, an elastic shunt sheet 3 connected to the moving contact 21 is arranged below the moving contact 21 to shunt the current on the moving contact 21, thereby preventing the moving contact 21 from overheating due to excessive current. The elastic shunt sheet 3 is arranged below the moving contact 21 and contacts the lower end surface of the moving contact 21. When working, the opening or closing of the moving contact 21 and the static contact 22 is controlled by toggling the control member 10. When the moving contact 21 and the static contact 22 are closed, the current flows from the terminal of the static contact 5, passes through the static contact 5 and the static contact 22, and then flows to the moving contact 21 through the contact point (silver point) between the moving contact 21 and the static contact 22. The current carrying capacity of the moving contact 21 determines the temperature of the moving contact 21 in the closed state. When the current is too large and the current carrying capacity is too low, the temperature of the moving contact 21 will rise, and the current will flow to the moving contact through the setting of the elastic shunt 3. Part of the current of 21 will flow out from the elastic shunt piece 3, thereby playing a shunting effect, reducing the temperature of the moving contact 21, and preventing the moving contact 21 from melting at the contact portion between the control component 10 and the moving contact 21 due to excessive temperature, resulting in switch failure. While playing a shunting role, the elastic shunt piece 3 can provide an upward thrust to the moving contact 21 due to the elastic force of the elastic shunt piece 3 itself, which can effectively overcome the defect that the moving contact 21 will gradually lose its own elastic force during the long-term disconnection process, thereby causing the moving contact 21 to be unable to contact the static contact 22. The contact surface of the contact point between the moving contact 21 and the static contact 22 is increased by increasing the clamping force between the moving contact 21 and the static contact 22. The larger the contact surface between the moving contact 21 and the static contact 22, the better the flow guidance effect between the two contacts, which can reduce the temperature between the moving contact 21 and the static contact 22 to a certain extent, and better protect the control component 10 from melting.

[0048] On the basis of the above embodiment: the mounting carrier 1 is further provided with a moving contact piece 4 and a stationary contact piece 5 , the moving contact piece 4 is provided with the moving contact 21 , and the moving contact piece 4 is connected to the elastic shunt piece 3 , and the stationary contact piece 5 is provided with the stationary contact 22 .

[0049] The above-mentioned specific improvements are as follows: through the arrangement of the moving contact piece 4 and the static contact piece 5, the positions of the moving contact and the static contact can be better fixed, ensuring that the moving contact 21 and the static contact 22 can be normally opened and closed. The current first passes through the static contact piece 5, then flows to the static contact through the static contact piece 5, and then flows to the moving contact piece 4 and the elastic shunt piece 3 through the moving contact at the same time. The current on the moving contact piece 4 and the elastic shunt piece 3 is collected on the moving contact piece 4 and then flows to the wiring terminal, and the current is led out from the wiring terminal. The elastic shunt piece 3 can be arranged above the moving contact 21 or below the moving contact 21. One end of the elastic shunt piece 3 is electrically connected to the moving contact 21, and the other end is electrically connected to the moving contact piece 4, so that the current passing through the moving contact 21 can be guided to the moving contact piece 4 through the elastic shunt piece 3, while providing a clamping force to the moving contact 21, so that the moving contacts and static contacts on the moving contact 21 and the static contact 22 can be in close contact.

[0050] Based on the above embodiment: the elastic shunt piece 3 includes an elastic piece 31 in contact with the moving contact piece 4 and an extension piece 32 arranged at one end of the elastic piece 31 away from the moving contact piece 4, and the connection between the elastic piece 31 and the extension piece 32 has an arc surface in contact with the moving contact 21.

[0051] The above specific improvements are: Figure 3-Figure 6 As shown, the elastic diverter piece 3 includes an elastic piece 31 and an extension piece 32. The connection between the elastic piece 31 and the extension piece 32 forms an arc surface that contacts the lower end surface of the moving contact 21. Through the setting of the arc surface, the contact area between the elastic diverter piece 3 and the moving contact 21 can be increased while the wear between the elastic diverter piece 3 and the lower end surface of the moving contact 21 can be reduced. The elastic diverter piece 3 can gather the upward thrust to the arc surface, so that when the moving contact 21 loses the downward resistance force of the control part 10, the moving contact 21 can be pushed upward more stably.

[0052] On the basis of the above embodiment: an elastic clamping plate 6 is provided at one end of the elastic diverter plate 3 that contacts the moving contact plate 4, and the elastic clamping plate 6 includes a first clamping plate 61 and a second clamping plate 62 respectively wrapped around the two end surfaces of the moving contact plate 4, and a bottom plate 63 arranged between the first clamping plate 61 and the second clamping plate 62, and the first clamping plate 61 and the second clamping plate 62 are respectively provided with a first clamping portion 64 and a second clamping portion 65 arranged opposite to each other.

[0053] On the basis of the above embodiment: the moving contact piece 4 is made of brass material, and the elastic shunt piece 3 is made of phosphor bronze material or other high-performance copper alloy material.

[0054] The above specific improvements are:

[0055] During the experiment, it was found that the current carrying capacity and elasticity of phosphor copper material are better than those of brass material, but the price of phosphor copper material is higher than that of brass material. In order to further improve the current carrying capacity of the product while controlling the cost, the moving contact piece 4 is made of brass material, and the elastic shunt piece 3 is made of phosphor copper material or other copper alloy materials with high elasticity and current carrying capacity, such as C7025 copper alloy material. While ensuring that the elastic shunt piece 3 can be fixed on the moving contact piece 4, an elastic clamping piece 6 is set at one end of the elastic shunt piece 3 connected to the moving contact piece 4. The elastic clamping piece 6 is composed of a first clamping piece 61, a second clamping piece 62 and a clamping piece 61 arranged opposite to each other. 1 and a bottom sheet 63 at the bottom of the second clamping piece 62. The first clamping piece 61, the second clamping piece 62 and the bottom sheet 63 are surrounded to form a "U"-shaped structure. In order to increase the connection strength between the elastic clamping piece 6 and the moving contact piece 4, a first clamping portion 64 and a second clamping portion 65 arranged opposite to each other are arranged at the first clamping piece 61 and the second clamping piece 62. An extrusion arc surface is arranged on the first clamping portion 64 and the second clamping portion 65. Through the arrangement of the extrusion arc surface, the clamping forces on the first clamping piece and the second clamping piece can be gathered on the extrusion arc surface and squeeze the moving contact piece 4, thereby improving the clamping force between the elastic clamping piece 6 and the moving contact piece 4.

[0056] On the basis of the above embodiment: a connecting piece 7 for connecting the elastic clamping piece 6 and the elastic piece 31 is provided between the elastic clamping piece 6 and the elastic piece 31 , one end of the connecting piece 7 is connected to the bottom piece 63 or the first clamping piece 61 or the second clamping piece 62 , and the other end is connected to the elastic piece 31 .

[0057] On the basis of the above embodiment: one end of the connecting piece 7 is connected to the bottom piece 63 , and the other end is connected to the elastic piece 31 , and the elastic piece 31 extends from a side away from the connecting piece 7 to a side close to the stationary contact piece 5 .

[0058] The above specific improvements are:

[0059] The first implementation method of the elastic diverter: Figure 3 and Figure 5 As shown, the connecting piece 7 serves to connect the elastic piece 31 and the elastic clamping piece 6. One end of the connecting piece 7 is connected to the bottom piece 63, and the other end is connected to the elastic piece 31. The elastic piece 31 extends from the side away from the connecting piece 7 to the side close to the static contact piece 5. The arc surface at the connection between the elastic piece 31 and the extension piece 32 abuts against the position of the moving contact 21 closer to the contact point, which can provide a larger upward thrust for the moving contact 21, so that the moving contact 21 and the static contact 22 are in closer contact.

[0060] Based on the above embodiment: one end of the connecting piece 7 is connected to the first clamping piece 61 or the second clamping piece 62 , and the other end is connected to the elastic piece 31 , and the elastic piece 31 extends from a side away from the connecting piece 7 to a side close to the moving contact piece 4 .

[0061] The above specific improvements are:

[0062] The second implementation method of the elastic diverter: Figure 4 and Figure 6 As shown, compared with the first embodiment, the connecting piece 7, the elastic piece 31, the extension piece 32 and the elastic clamping piece 6 can be integrally formed on a raw material plate. There is no need to separately process the elastic clamping piece 6 and the connecting piece 7, the elastic piece 31, the extension piece 32 and then weld the two together, thereby eliminating a process step and reducing the generation of waste. In addition, during the current diversion process, since the distance the current passes through is longer, the conductive area is also increased, making the heat dissipation surface larger and the heat dissipation faster, thereby effectively reducing the surface temperature of the elastic piece 31, the connecting piece 7 and the elastic clamping piece 6 during operation.

[0063] When the control member 10 is dialed back and the moving contact 21 approaches one side of the static contact 22, in order to avoid the situation where the upward elastic force of the elastic sheet 31 is too large, which causes the moving contact 21 to impact the static contact 22 with too large an impact force, causing the static contact 22 to be deformed, a limit block 8 abutting against the elastic sheet 31 is provided under the moving contact 21. When the elastic sheet 31 moves upward due to its own elastic restoring force until it abuts against the limit block 8, even if the elastic sheet 31 still has some elastic restoring force, it will stop moving upward, and at the same time, the moving contact 21 will stop impacting the static contact 22, thereby better protecting the static contact 22 and preventing the static contact 22 from being deformed during the long-term impact of the moving contact 21.

[0064] A toggle switch includes the switch contact structure, the control member 10 is a toggle lever, the mounting carrier 1 is a shell, the toggle lever is movably mounted in the shell 1 and is used to drive the moving contact 21 to separate and disconnect from the static contact 22, and the switch contact structure is mounted inside the shell.

[0065] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. A switch contact structure, characterized in that: include: Installing a carrier (1); A contact mechanism (2) is arranged inside the mounting carrier (1), and comprises a moving contact (21) and a stationary contact (22) arranged opposite to each other, wherein the moving contact (21) is controlled by a control member (10) to contact or separate from the stationary contact (22); An elastic shunt sheet (3) is electrically connected to the moving contact (21), and the elastic shunt sheet (3) applies an elastic force toward the moving contact (21) to cause the moving contact (21) to abut against the stationary contact (22).

2. A switch contact structure according to claim 1, characterized in that: The mounting carrier (1) is also provided with a moving contact piece (4) and a stationary contact piece (5), the moving contact piece (4) is provided with the moving contact (21), and the moving contact piece (4) is connected to the elastic shunt piece (3), and the stationary contact piece (5) is provided with the stationary contact (22).

3. A switch contact structure according to claim 2, characterized in that: The elastic shunt piece (3) comprises an elastic piece (31) in contact with the moving contact piece (4) and an extension piece (32) arranged at one end of the elastic piece (31) away from the moving contact piece (4), and the connection between the elastic piece (31) and the extension piece (32) has an arc surface in contact with the moving contact (21).

4. A switch contact structure according to claim 2 or 3, characterized in that: The elastic flow-dividing sheet (3) and the moving contact sheet (4) are integrally formed.

5. A switch contact structure according to claim 4, characterized in that: The movable contact piece (4) and the elastic diverter piece (3) are both made of brass material.

6. A switch contact structure according to claim 2 or 3, characterized in that: An elastic clamping piece (6) is provided at one end of the elastic shunt piece (3) that contacts the moving contact piece (4), and the elastic clamping piece (6) comprises a first clamping piece (61) and a second clamping piece (62) respectively wrapped around the two end surfaces of the moving contact piece (4), and a bottom piece (63) arranged between the first clamping piece (61) and the second clamping piece (62), and the first clamping piece (61) and the second clamping piece (62) are respectively provided with a first clamping portion (64) and a second clamping portion (65) arranged opposite to each other.

7. A switch contact structure according to claim 6, characterized in that: The moving contact piece (4) is made of brass material, and the elastic diverter piece (3) is made of phosphor bronze material.

8. A switch contact structure according to claim 6, characterized in that: A connecting piece (7) for connecting the elastic clamping piece (6) and the elastic piece (31) is provided between the two, and one end of the connecting piece (7) is connected to the bottom piece (63) or the first clamping piece (61) or the second clamping piece (62), and the other end is connected to the elastic piece (31).

9. A switch contact structure according to claim 8, characterized in that: One end of the connecting piece (7) is connected to the bottom piece (63), and the other end is connected to the elastic piece (31), and the elastic piece (31) extends from a side away from the connecting piece (7) to a side close to the stationary contact piece (5).

10. A switch contact structure according to claim 8, characterized in that: One end of the connecting piece (7) is connected to the first clamping piece (61) or the second clamping piece (62), and the other end is connected to the elastic piece (31). The elastic piece (31) extends from a side away from the connecting piece (7) to a side close to the moving contact piece (4).

11. A toggle switch, characterized in that: It comprises a switch contact structure as described in any one of claims 1 to 10, wherein the control member (10) is a lever, the mounting carrier (1) is a shell, the lever is movably mounted in the shell (1) and is used to drive the moving contact (21) to separate and disconnect from the stationary contact (22), and the switch contact structure is mounted inside the shell.

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