Plugs, sockets and electrical appliances

Abstract

This invention relates to the field of electrical equipment technology, specifically to a plug, socket, and electrical device. The electrical device includes a plug, which comprises a housing, a pin mechanism, and a switching mechanism. The pin mechanism is disposed in the housing and is used to connect to a power cord. The switching mechanism is movably disposed in the housing and can control the pin mechanism to switch between a conductive state and a disconnected state. Specifically, when the switching mechanism is under force, it can switch the pin mechanism to the disconnected state; when the switching mechanism is in its initial state, the pin mechanism can return to the conductive state. The plug of this invention can operate without load during insertion and removal, thus reducing the risk of electric shock and burnout. Furthermore, its mechanical design reduces costs and facilitates widespread use.

Description

Technical Field

[0001] This invention relates to the field of electrical equipment technology, and more specifically, to a plug, a socket, and an electrical appliance. Background Technology

[0002] With the rapid development of clean energy (e.g., photovoltaic power generation), DC distribution networks will become an important direction for power system development, and the use of DC-powered appliances will gradually increase. Because DC voltage does not cross zero, there will be significant arcing during plug-in and plug-out processes, posing a risk of electric shock and easily burning out the plug pins and socket sleeves. To address the issues of electric shock and burnout caused by plugs carrying a load during plug-in and plug-out processes, related technologies employ electronic controls to ensure that the plug is not under load during these processes.

[0003] However, the high cost of the plugs for this technology hinders its widespread adoption. Summary of the Invention

[0004] The purpose of this invention is to provide a plug, socket, and electrical equipment, wherein the plug is able to operate without load during insertion and removal, thereby reducing the risk of electric shock and burnout, and through mechanical design, reducing costs and facilitating widespread use.

[0005] The embodiments of the present invention are implemented as follows:

[0006] In a first aspect, the present invention provides a plug, comprising:

[0007] case;

[0008] A latching mechanism, located in the housing, is used to connect to the power cord.

[0009] A switching mechanism is movably mounted in the housing, and the switching mechanism can control the pin mechanism to switch between a conducting state and a disconnected state; wherein,

[0010] During the plug insertion and removal process, the switching mechanism can be under force and can switch the pin mechanism to the open state;

[0011] When the plug is inserted or removed, the switching mechanism returns to its initial state and the pin mechanism returns to the conducting state.

[0012] In an optional embodiment, the switching mechanism includes a trigger assembly and a switch assembly, both of which are disposed within the housing, and the trigger assembly and the switch assembly are in a driving engagement.

[0013] During the plug insertion and removal process, the trigger component can be under force and can separate the switch component from the latch mechanism, and put the latch mechanism in the open state.

[0014] When the plug is inserted or removed, the trigger component returns to its initial state, enabling the switch component to contact the latch mechanism and putting the latch mechanism into the conducting state.

[0015] In an optional embodiment, the latch mechanism includes two latches, and the switch assembly includes a base, a connecting bridge assembly, and two terminals. The base is disposed on the housing, and both terminals are disposed on the base. The connecting bridge assembly is movably disposed on the base, and the trigger assembly is in a transmission engagement with the connecting bridge assembly.

[0016] Both pins are located in the housing; one pin is used to connect to a live wire in the power cord, and one terminal is connected to another live wire in the power cord; the other pin is connected to another terminal.

[0017] When the triggering component is under force, it can cause the connecting bridge assembly to move and separate from the two terminals, and put the pin in the open state; when the triggering component is in the initial state, the connecting bridge assembly can reset to contact the two terminals, so that the pin is in the conductive state.

[0018] In an optional embodiment, the switch assembly further includes an elastic element disposed between the connecting bridge assembly and the base;

[0019] When the trigger component is in the initial state, the connecting bridge component can be reset to contact the two terminals under the elastic action of the elastic element.

[0020] In an optional embodiment, the connecting bridge assembly includes a connecting bridge and two contacts, both of which are disposed on the connecting bridge. The connecting bridge is movably disposed on the base, and the triggering component engages with the connecting bridge in a transmission manner.

[0021] When the triggering component is under force, it can move the connecting bridge to separate the two contacts from the two terminals; when the triggering component is in the initial state, the connecting bridge can reset to make the two contacts contact the two terminals one by one.

[0022] In an optional embodiment, the connecting bridge assembly is provided with a mounting cavity, the base is connected to a mounting post, and the elastic element is disposed in the mounting cavity and sleeved on the mounting post.

[0023] In an alternative implementation, the triggering component is rotatably disposed within the housing.

[0024] In a second aspect, the present invention provides a socket capable of engaging with the aforementioned plug. The socket includes a socket panel with a insertion groove. A pin hole is provided at the bottom of the insertion groove, and the pin hole is capable of engaging with a pin mechanism. The groove wall is provided with raised ribs.

[0025] During the process of plugging and unplugging the plug into the socket, the protruding rib can press the switch mechanism to put the switch mechanism under force, and the switch mechanism can switch the plug mechanism to the open state.

[0026] When the plug is inserted into or removed from the socket, the protruding rib separates from the switching mechanism, and the switching mechanism can reset to restore the plug mechanism to the conducting state.

[0027] In an optional embodiment, the groove wall of the plug groove is also provided with a clearance opening, which is located between the protruding rib and the bottom of the plug groove, and is used to avoid the switching mechanism.

[0028] When the plug is inserted into the socket, the switching mechanism moves to the clearance position to reset the plug mechanism to the conducting state.

[0029] Thirdly, the present invention provides an electrical device including a plug according to any of the foregoing embodiments.

[0030] The beneficial effects of the plug according to the embodiments of the present invention include: the plug provided by the embodiments of the present invention includes a housing, a pin mechanism, and a switch mechanism. The pin mechanism is disposed in the housing and is used to connect to a power cord; the switch mechanism is movably disposed in the housing and can control the pin mechanism to switch between a conductive state and a disconnected state; wherein, during the plug insertion and removal process, the switch mechanism can be in a stressed state and can switch the pin mechanism to the disconnected state; when the plug insertion and removal are completed, the switch mechanism is in the initial state and can restore the pin mechanism to the conductive state. In this way, by keeping the switch mechanism in a stressed state during the plug insertion and removal process, it is ensured that the pin mechanism is in a disconnected state without load, so as to avoid the generation of electric arc and effectively improve the problems of easy electric shock and burnout. After the insertion and removal are completed, the switch mechanism is in the initial state and the pin mechanism is in the conductive state, that is, it will not interfere with the normal use of the plug; moreover, the conduction and disconnection of the pin mechanism are achieved through a mechanical structure rather than an electronic control method, which can effectively reduce costs and is easy to promote.

[0031] The beneficial effects of the socket in the embodiments of the present invention include: the socket provided in the embodiments of the present invention can be used in conjunction with the aforementioned plug, so that when the plug is inserted into or removed from the socket, the pin mechanism is in a non-loaded disconnected state to avoid the generation of electric arc, effectively improving the problems of easy electric shock and burnout. After insertion or removal, the pin mechanism is in a conductive state, that is, it will not interfere with the normal use of the plug.

[0032] The beneficial effects of the electrical equipment in the embodiments of the present invention include: the electrical equipment provided in the embodiments of the present invention includes the aforementioned plug, which not only ensures that the switching mechanism is under force when plugging or unplugging the plug, thereby ensuring that the pin mechanism is in an unloaded open state to avoid the generation of electric arc, effectively improving the problems of easy electric shock and burnout; after plugging or unplugging, the switching mechanism is in the initial state and the pin mechanism is in the conductive state, that is, it will not interfere with the normal use of the plug; moreover, the conduction and disconnection of the pin mechanism are achieved through mechanical structure rather than electronic control, which can effectively reduce costs and is easy to promote. Attached Figure Description

[0033] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0034] Figure 1 This is a schematic diagram of the plug structure in an embodiment of the present invention;

[0035] Figure 2 This is an exploded view of the plug in an embodiment of the present invention. Figure 1 ;

[0036] Figure 3 This is an exploded structural diagram of the pin mechanism and the switching mechanism in an embodiment of the present invention;

[0037] Figure 4 This is a schematic diagram of the plug structure when the first contact and the second contact are separated in an embodiment of the present invention. Figure 1 ;

[0038] Figure 5 for Figure 4 A cross-sectional view along the AA direction;

[0039] Figure 6 This is a schematic diagram of the plug structure when the first contact and the second contact are in contact, according to an embodiment of the present invention.

[0040] Figure 7 for Figure 6 Cross-sectional view along the BB direction;

[0041] Figure 8 This is a schematic diagram of the plug structure when the first contact and the second contact are in contact, as shown in an embodiment of the present invention. Figure 2 ;

[0042] Figure 9 for Figure 8 A cross-sectional view along the CC direction;

[0043] Figure 10 This is an exploded view of the plug in an embodiment of the present invention. Figure 2 ;

[0044] Figure 11 This is a schematic diagram of the socket structure from a first perspective in an embodiment of the present invention;

[0045] Figure 12 This is a schematic diagram of the socket structure from a second perspective in an embodiment of the present invention.

[0046] Icons: 010-Plug; 100-House; 101-Opening; 110-Upper House; 120-Lower House; 130-Outer House; 131-Through Hole; 210-Pin Mechanism; 211-Pin; 212-Terminal Block; 213-Ground Pin; 214-Mounting Component; 215-Terminal Body; 216-Second Contact; 220-Switch Assembly; 230-Base; 231-Mounting Post; 232-Cover; 233-Socket; 234-Allowing Hole; 235-Mounting 240 - Connecting bridge assembly; 241 - Elastic element; 242 - Connecting bridge; 243 - First contact; 244 - Mounting cavity; 245 - First plate; 246 - Second plate; 247 - Third plate; 248 - Fourth plate; 249 - Fifth plate; 300 - Switching mechanism; 310 - Trigger element; 320 - Socket; 301 - Socket panel; 302 - Socket sleeve; 320 - Socket groove; 321 - Pin hole; 322 - Rib; 323 - Guide surface; 324 - Clearance opening. Detailed Implementation

[0047] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0048] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0049] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0050] In the description of this invention, it should be noted that the terms "inner," "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of the invention is conventionally placed during use. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0051] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0052] In related technologies, in order to improve the problem of electric shock and burnout caused by the plug being loaded when plugging and unplugging, electronic control is used to prevent the plug from being loaded when plugging and unplugging. For example, DC charging guns and charging sockets used for fast charging of new energy vehicles control the on and off of the charging circuit through communication signal control circuits, which is costly and not conducive to its promotion and use in other small household appliances.

[0053] "Plug without load" can mean that at the instants before and after the plug pins and socket sleeves make contact and separate, the load connected to the plug is in a disconnected state, regardless of whether it has a switch or whether the switch is on, so that no electric arc is generated when the plug pins are inserted or removed from the socket.

[0054] To reduce costs, this embodiment provides a plug that utilizes a mechanical structure design to achieve plugging and unplugging without load. This not only improves the problems of electric shock and burnout, but also effectively reduces costs and facilitates its adoption in various household appliances.

[0055] Please refer to Figure 1 This embodiment provides a plug 010 that can be used in various electrical devices, such as table lamps, DC charging guns for new energy vehicles, etc., without specific limitations.

[0056] Please refer to Figure 1 and Figure 2The plug 010 includes a housing 100, a pin mechanism 210, and a switch mechanism 300. The pin mechanism 210 is disposed in the housing 100 and is used to connect to a power cord. The switch mechanism 300 is movably disposed in the housing 100 and can control the pin mechanism 210 to switch between a conducting state and a disconnected state. During the plug insertion and removal process, the switch mechanism 300 can be in a stressed state and can switch the pin mechanism 210 to the disconnected state. When the plug 010 is completely inserted or removed, the switch mechanism 300 is in the initial state and can restore the pin mechanism 210 to the conducting state.

[0057] When plugging or unplugging the plug 010, the switching mechanism 300 can be under stress, thereby ensuring that the plug mechanism 210 is in an unloaded open state to avoid the generation of electric arcs. This effectively improves the problems of easy electric shock and burnout. After plugging or unplugging, the switching mechanism 300 is in the initial state and the plug mechanism 210 is in the conducting state, which does not interfere with the normal use of the plug 010. Moreover, the conduction and disconnection of the plug mechanism 210 are achieved through mechanical structure rather than electronic control, which can effectively reduce costs and is easy to promote.

[0058] The switching mechanism 300 includes a trigger component and a switch component 220, both of which are disposed in the housing 100. The trigger component and the switch component 220 are in a transmission cooperation. During the insertion and removal of the plug 010, the trigger component is in a stressed state and can separate the switch component 220 from the pin mechanism 210, and put the pin mechanism 210 in an open state. When the plug 010 is completely inserted or removed, the trigger component returns to its initial state and allows the switch component 220 to contact the pin mechanism 210, and puts the pin mechanism 210 in a conductive state. The pin mechanism 210 is used to engage with the socket's socket sleeve. When plugging or unplugging the plug 010, the trigger component is under force, and the switch component 220 is separated from the pin mechanism 210, so that the pin mechanism 210 is not under load, thus preventing the generation of electric arc and effectively improving the problems of easy electric shock and burnout. Moreover, through the mechanical structure design of the transmission-coordinated trigger component and the switch component 220, the switch component 220 is able to contact or separate from the pin mechanism 210 to control the conduction or disconnection of the pin mechanism 210. There is no need to use electrical control components, which effectively reduces costs and is conducive to widespread use.

[0059] Further, please refer to Figure 3The latch mechanism 210 includes two latches 211. The switch assembly 220 includes a base 230, a connecting bridge assembly 240, and two terminals 212. Both latches 211 are disposed on the housing 100 and are used to engage with the socket's socket sleeve. The base 230 is disposed on the housing 100, and both terminals 212 are disposed on the base 230. The connecting bridge assembly 240 is movably disposed on the base 230, and the trigger assembly engages with the connecting bridge assembly 240 in a transmission relationship.

[0060] One pin 211 is used to connect to a live wire in the power cord, and one terminal 212 is connected to another live wire in the power cord; the other pin 211 is connected to the other terminal 212; when the triggering component is under force, the connecting bridge assembly 240 can be moved to separate from the two terminals 212, so that the pin 211 is in the open state, wherein the pin 211 not connected to the live wire is always disconnected from the live wire; when the triggering component is in the initial state, the connecting bridge assembly 240 can be reset to contact the two terminals 212, so that the pin 211 is in the conductive state, wherein the pin 211 not connected to the live wire is conductive to the live wire through the terminal 212 and the connecting bridge assembly 240. Since the trigger component is in a stressed state, the pin 211 can be in an open state. Therefore, when plugging or unplugging the plug 010, the pin 211 is not under load, which can avoid the generation of electric arc between the pin 211 and the socket, thus improving the problem of easy electric shock and burnout. Moreover, the stress state of the trigger component controls the movement of the connecting bridge assembly 240 relative to the base 230, and the contact and separation state of the connecting bridge assembly 240 with the two terminals 212 controls the conduction or disconnection of the pin 211. The structure is simple and does not require the use of electrical control components, which helps to reduce the cost of the plug 010 and facilitates its widespread use.

[0061] Optionally, the latch mechanism 210 further includes a ground pin 213, which is disposed in the housing 100 and is used to connect to the ground wire of the power cord.

[0062] Optionally, the pin mechanism 210 may also include a mounting element 214, such as a mounting bracket or mounting plate, wherein the ground pin 213 and the two pins 211 are mounted on the housing 100 via the mounting element 214.

[0063] It should be noted that in some embodiments, one of the terminals 212 is connected to the positive wire in the power cord, and one of the plugs 211 is connected to the negative wire in the power cord. When the plug 010 is not plugged into the socket, i.e., when no power is being drawn, the positive terminal of the electrical device is not connected, and the negative terminal is connected. When the plug 010 is plugged into the socket, i.e. when power is being drawn, the terminal 212 contacts the connecting bridge assembly 240, the positive circuit inside the plug 010 is connected, and the electrical device can draw power and work normally.

[0064] In other embodiments, one of the terminals 212 is connected to the negative wire of the power cord, and one of the plugs 211 is connected to the positive wire of the power cord. When the plug 010 is not plugged into the socket, i.e., when no power is being drawn, the positive terminal of the electrical device is connected and the negative terminal is not connected. When the plug 010 is plugged into the socket, i.e. when power is being drawn, the terminal 212 contacts the connecting bridge assembly 240, the negative circuit inside the plug 010 is connected, and the electrical device can draw power and work normally.

[0065] The structure of the connecting bridge assembly 240 can be configured as needed; please refer to [reference needed]. Figure 3 The connecting bridge assembly 240 in this embodiment includes a connecting bridge 242 and two contacts (hereinafter referred to as first contacts 243). Both first contacts 243 are disposed on the connecting bridge 242, which is movably disposed on the base 230. The triggering component is in transmission cooperation with the connecting bridge 242. Please refer to... Figure 4-7 When the triggering component is under force, it can move the connecting bridge 242 to separate the two first contacts 243 from the two terminals 212. The pin 211, which is not connected to the live wire, is always disconnected from the live wire and is in an open state without load. When the triggering component is in the initial state, the connecting bridge 242 can reset to make the two first contacts 243 contact the two terminals 212 in a one-to-one correspondence. The pin 211, which is not connected to the live wire, is connected to the live wire through the first contacts 243, the terminals 212 and the connecting bridge 242. The pin 211 is in a connected state and is under load.

[0066] Alternatively, please refer to Figure 3 The terminal block 212 includes a terminal body 215 and a second contact 216 disposed on the terminal body 215. The terminal body 215 is disposed on the base 230. When the triggering component is in the initial state, the connecting bridge 242 can be reset so that the two first contacts 243 make contact with the two second contacts 216 of the terminal block 212 in a one-to-one correspondence.

[0067] It should be noted that both the first contact 243 and the second contact 216 can be silver contacts.

[0068] To ensure that the connecting bridge assembly 240 can reliably reset to contact with the two terminals 212 when the trigger assembly is in its initial state, please refer to... Figures 4-7 The switch assembly 220 also includes an elastic element 241, which is disposed between the connecting bridge assembly 240 and the base 230. When the trigger assembly is in the initial state, the connecting bridge assembly 240 can be reset to contact the two terminals 212 under the elastic action of the elastic element 241.

[0069] Further, please refer to Figure 5The connecting bridge assembly 240 is provided with a mounting cavity 244. Specifically, the connecting bridge 242 is provided with a mounting cavity 244; the elastic element 241 is disposed within the mounting cavity 244. This arrangement ensures the assembly stability of the elastic element 241, thereby reliably driving the connecting bridge 242 to reset so that the two first contacts 243 are separated from the two second contacts 216.

[0070] Furthermore, please refer to Figure 3 The connecting bridge 242 includes a first plate 245, a second plate 246, a third plate 247, a fourth plate 248, and a fifth plate 249 connected at an angle in sequence, making the connecting bridge 242 approximately "U" shaped. A mounting cavity 244 is formed between the second plate 246, the third plate 247, and the fourth plate 248. The trigger component can abut against the third plate 247 to drive the connecting bridge 242 to move until the first contact 243 separates from the second contact 216. The first plate 245 and the fifth plate 249 are both provided with the first contact 243.

[0071] To further ensure the assembly stability of the elastic element 241, the base 230 is connected to the mounting post 231, and the elastic element 241 is sleeved on the mounting post 231.

[0072] It should be noted that, in order to enable the plug 010 to be better suited for DC power, there is a certain time difference between the contact or separation of the two first contacts 243 and the two second contacts 216, that is, the two first contacts 243 (moving contacts) contact or separate from the corresponding second contacts 216 (stationary contacts) one after the other. To enable the two first contacts 243 (moving contacts) to successively contact or separate from the corresponding second contacts 216 (stationary contacts), the third plate 247 can be tilted relative to the first plate 245 and the fifth plate 249, so that the first plate 245 and the fifth plate 249 can successively drive the corresponding first contacts 243 to move. Alternatively, the weights of the two second contacts 216 can be set to be different, so that the two first contacts 243 can move successively to contact or separate from the corresponding second contacts 216 under the drive of the connecting bridge 242. Alternatively, the first plate 245 and the fifth plate 249 can be set to tilt at different angles relative to the third plate 247, so that the first plate 245 and the fifth plate 249 can drive the corresponding first contacts 243 to successively contact or separate from the corresponding second contacts 216.

[0073] Alternatively, please refer to Figure 3The base 230 includes a cover 232 and a seat 233. The cover 232 is fastened and connected to the seat 233. The cover 232 is connected to a mounting post 231. The seat 233 has a clearance hole 234. The connecting bridge 242 is movably disposed between the cover 232 and the seat 233. The seat 233 has a clearance hole 234 for exposing part of the connecting bridge 242 so that the triggering component can engage with the connecting bridge 242 exposed from the clearance hole 234. The seat 233 is also provided with a mounting groove 235. The terminal body 215 is inserted into the wiring groove, and the second contact 216 is located between the cover 232 and the seat 233. The end of the terminal body 215 away from the second contact 216 extends out of the base 230 from the opening of the mounting groove 235. This configuration ensures that the terminal block 212, the connecting bridge 242, and the elastic element 241 are reliably disposed on the base 230, and ensures that the first contact 243 and the second contact 216 can reliably separate or make contact.

[0074] It should be noted that the connection methods between the cover 232 and the seat 233 include, but are not limited to, snap-fit, connection with fasteners such as screws.

[0075] Optionally, the elastic element 241 is a spring; in other embodiments, the elastic element 241 may also be an elastic rubber sleeve, which is not specifically limited here.

[0076] It should be understood that in other embodiments, the switch assembly 220 may not include the elastic element 241, and the connecting bridge 242 may be made of an elastic material. When the trigger assembly is in the initial state, the connecting bridge 242 can be reset under its own elasticity so that the two first contacts 243 and the two second contacts 216 are in contact one-to-one. In other embodiments, the switch assembly 220 does not include the elastic element 241, and when the trigger assembly is in the initial state, the connecting bridge 242 can also be reset under its own weight so that the two first contacts 243 and the two second contacts 216 are in contact one-to-one.

[0077] It should be noted that when the trigger component is in the initial state, the two first contacts 243 and the two second contacts 216 are in contact one-to-one, and the pin 211 is under load. Even when the trigger component is in the initial state, the circuit inside the plug 010 is in a normally open state. The circuit inside the plug 010 is only disconnected for a short time during the plugging and unplugging process when the trigger component is under force. This does not change the existing design habit of the AC plug 010 having a normally open internal circuit, which is convenient for promotion and application.

[0078] Please refer to Figure 8 and Figure 9To facilitate the insertion and removal of the plug 010, the trigger component is rotatably mounted on the housing 100. When the trigger component is driven by an external force to rotate in the first direction to the stressed state, the connecting bridge 242 can move relative to the base 230 to separate from the first contact 243 and the second contact 216. When the external force is removed, the trigger component can rotate in the second direction and return to the initial state. The connecting bridge 242 can be reset under the action of the elastic member 241 to make the two first contacts 243 and the two second contacts 216 contact one-to-one. The first direction is opposite to the second direction.

[0079] The trigger assembly includes two trigger elements 310, both of which are rotatably mounted on the housing 100. When plugging or unplugging the plug 010, both trigger elements 310 can be in a stressed state, meaning that both trigger elements 310 can rotate to the stressed state under the action of an external force, so that the two trigger elements 310 can simultaneously abut against the connecting bridge 242, reliably driving the connecting bridge 242 to move relative to the base 230, and reliably ensuring that the first contact 243 and the second contact 216 are separated. When plugging or unplugging is finished, the external force that drives the two trigger elements 310 to rotate to the stressed state is removed, the two trigger elements 310 rotate back to the initial state, the connecting bridge 242 is reset under the action of the elastic element 241, and the two first contacts 243 and the two second contacts 216 are in contact one-to-one.

[0080] It should be noted that when the external force that drives the two triggers 310 to rotate to the force-bearing state is removed, the triggers 310 can rotate back to the initial state under their own weight; or when the elastic element 241 drives the connecting bridge 242 to reset, the connecting bridge 242 can be used to drive the triggers 310 to rotate back to the initial state.

[0081] To ensure proper insertion and removal of plug 010, please refer to... Figure 10 The trigger 310 can be smoothly driven to rotate to the stressed state by external force. The housing 100 is provided with an opening 101, which is used to expose the trigger 310. Force can be applied to the trigger 310 through the opening 101, causing the trigger 310 to rotate to the stressed state and drive the connecting bridge 242 to move so that the first contact 243 separates from the second contact 216.

[0082] The structure of the housing 100 can be selected as needed; in this embodiment, the housing 100 includes an upper housing 110 and a lower housing 120 that are interlocked and connected. A pin mechanism 210 is disposed between the upper housing 110 and the lower housing 120, and a pin 211 extends from between the upper housing 110 and the lower housing 120. A trigger member 310 is rotatably connected to at least one of the upper housing 110 and the lower housing 120 via a rotating shaft, and an opening 101 is provided between the upper housing 110 and the lower housing 120. The connection methods of the upper housing 110 and the lower housing 120 include, but are not limited to, snap-fit ​​or bolt fastener connections.

[0083] Optionally, the housing 100 further includes an outer shell 130 sleeved on the outside of the upper shell 110 and the lower shell 120 that are fastened and connected; the outer shell 130 is provided with through holes 131 that are distributed opposite to the opening 101 so that the trigger 310 can be exposed from the through holes 131.

[0084] It should be understood that in other embodiments, the housing 100 is provided with an elastic element such as a torsion spring that cooperates with the trigger 310, and the elastic element makes the trigger 310 always tend to rotate to the force state; when plugging or unplugging the plug 010, the trigger 310 is in the force state under the action of the elastic element, and the connecting bridge 242 moves to separate the first contact 243 from the second contact 216; when the plugging or unplugging is completed, the external force presses the trigger 310 to overcome the elastic action of the elastic element and rotate to the initial state, and the connecting bridge 242 is reset under the action of the elastic element 241, and the connecting bridge 242 can push the trigger 310 to rotate to the initial state, and the first contact 243 and the second contact 216 are in contact.

[0085] It should be noted that when the plug 010 is plugged in or unplugged, the external force for pressing the trigger 310 can be provided by the protrusion provided on the side wall of the socket, or a sleeve can be fitted over the plug 010 so that the inner wall of the sleeve can be used to press the trigger 310.

[0086] Please refer to Figure 11 and Figure 12This embodiment also provides a socket 020, which is plugged into a plug 010. The socket 020 includes a sleeve 302, a base box, and a socket panel 301, both of which are located in the base box. The socket panel 301 has a insertion groove 320, and the bottom of the groove has a pin hole 321. The pin hole 321 is plugged into a pin mechanism 210. Specifically, the pin 211 can pass through the pin hole 321 and be plugged into the sleeve 302. The groove wall of the insertion groove 320 has a rib 322. During the process of plugging or unplugging the plug 010 into or out of the insertion groove 320, the rib 322 can press the switch mechanism 300 to put the switch mechanism 300 under stress. The switch mechanism 300 can switch the plug mechanism 210 to the disconnected state; when the plug 010 is inserted into or removed from the socket 320, the protrusion 322 separates from the switch mechanism 300, and the switch mechanism can reset to restore the plug mechanism 210 to the conducting state; specifically, during the process of inserting or removing the plug 010 into or removing from the socket 320, the protrusion 322 can press the trigger 310 to make the trigger 310 be in a stressed state, and the trigger 310 can drive the connecting bridge 242 to switch the plug mechanism 210 to the disconnected state; when the plug 010 is inserted into or removed from the socket 320, the protrusion 322 separates from the trigger 310, and the connecting bridge 242 can reset to restore the plug mechanism 210 to the conducting state.

[0087] With this configuration, when the plug 010 is inserted into or removed from the socket 020, the protruding rib 322 on the wall of the insertion slot 320 can press the switch mechanism 300, i.e., press the trigger 310, causing the trigger 310 to rotate under pressure. This drives the connecting bridge 242 to move until the first contact 243 separates from the second contact 216, ensuring that the plug 010 does not generate an electric arc when inserted into or removed from the socket 020. When the insertion or removal is complete, the protruding rib 322 no longer presses the switch mechanism 300, i.e., no longer presses the trigger 310. The connecting bridge 242 resets under the action of the elastic member 241, and the connecting bridge 242 can push the trigger 310 to rotate to its initial state, and the first contact 243 contacts the second contact 216, ensuring that the plug 010 can maintain normal power supply when inserted into the socket 020.

[0088] Further, please refer to Figure 11The groove wall of the plug groove 320 is also provided with a clearance opening 324, which is located between the rib 322 and the bottom of the groove 320 to allow the switch mechanism 300 to pass. When the plug 010 is inserted into the plug groove 320, the switch mechanism 300 moves to the clearance opening 324 to reset the pin mechanism 210 to the conducting state. Specifically, when the plug 010 is inserted into the plug groove 320, the trigger 310 moves to the clearance opening 324 to reset to the initial state and make the pin 211 conduct. This arrangement ensures that when the plug 010 and the socket 020 are connected, the trigger 310 is reliably reset to the initial state, thereby ensuring that the first contact 243 and the second contact 216 are in contact, ensuring that the pin 211 is conducting, that is, ensuring that the plug 010 maintains normal power connection function.

[0089] Alternatively, please refer to Figure 12 The protruding rib 322 has a guide surface 323 at the end away from the bottom of the socket 320. The guide surface 323 has a first end close to the bottom of the socket 320 and a second end away from the bottom of the socket 320. The distance between the guide surface 323 and the wall of the socket 320 gradually increases from the second end to the first end. When the plug 010 is inserted into the socket 320 of the socket 020, the trigger 310 can slide and cooperate with the guide surface 323 so that the trigger 310 gradually rotates towards the force state under the action of the guide surface 323. On the one hand, it can ensure that the trigger 310 can rotate smoothly towards the force state, and on the other hand, it can ensure that the plug 010 can be smoothly inserted into the socket 320.

[0090] Of course, in some implementations, the user can manually press the trigger 310 to rotate it to a stressed state.

[0091] During the insertion of the plug 010 into the socket 020 in this embodiment, before the pin 211 contacts the socket 302, the trigger 310 is pressed and rotated to a stressed state by an external force. The trigger 310 drives the connecting bridge 242 to move, so that the first contact 243 and the second contact 216 separate (e.g., Figure 5 As shown), pin 211 is in the open state, wherein pin 211, which is not connected to the live wire, is always disconnected from the live wire; plug 010 continues to be inserted into socket 020, and after pin 211 reliably contacts the socket sleeve 302, the external force on trigger 310 is removed, trigger 310 rotates to the initial state, and connecting bridge 242 is reset under the action of elastic member 241 to make the first contact 243 contact the second contact 216 (as shown). Figure 7 As shown, pin 211 is in the conductive state. Before plug 010 is fully inserted, pin 211 is in the disconnected state and not under load.

[0092] During the process of unplugging the plug 010 from the socket 020, before the pin 211 of the plug 010 separates from the sleeve 302 of the socket 020, the trigger 310 is pressed and rotated to a stressed state by an external force. The trigger 310 drives the connecting bridge 242 to move, so that the first contact 243 and the second contact 216 separate (e.g., Figure 5 As shown), pin 211 is in the open state, wherein pin 211, which is not connected to the live wire, is always disconnected from the live wire; plug 010 continues to be pulled out, and after pin 211 is completely separated from socket 302, the external force on trigger 310 is removed, trigger 310 rotates to the initial state, and connecting bridge 242 is reset under the action of elastic member 241 to make the first contact 243 contact the second contact 216 (as shown). Figure 7 As shown, pin 211 is in the ON state. Before plug 010 is fully pulled out, pin 211 is in the OFF state and is not under load.

[0093] In summary, the plug 010 provided by the present invention can be used in various electrical devices. When plugging and unplugging the plug 010, the pin 211 is not under load, thereby improving the risk of electric shock and burnout. Furthermore, through its mechanical design, it reduces costs and is easy to promote and use.

[0094] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A plug, characterized in that The utility model relates to a plug switch, which comprises: a housing (100); a plug mechanism (210) arranged in the housing (100) and used for connecting with a power cord; a switch mechanism (300) movably arranged in the housing (100) and capable of controlling the plug mechanism (210) to switch between a conducting state and a disconnecting state; wherein the switch mechanism (300) comprises a trigger assembly and a switch assembly (220), both of which are arranged in the housing (100), and the trigger assembly is rotatably arranged in the housing (100) and in transmission cooperation with the switch assembly (220); in the process of plugging or unplugging the plug, the trigger assembly can cooperate with a protrusion (322) arranged in a socket to be in a stressed state, and can make the switch assembly (220) in a stressed state, separate from the plug mechanism (210), and make the plug mechanism (210) in the disconnecting state; when the plug is completely plugged or unplugged, the trigger assembly separates from the protrusion (322) arranged in the socket to return to an initial state, and makes the switch assembly (220) contact the plug mechanism (210) and makes the plug mechanism (210) in the conducting state.

2. The plug of claim 1, wherein the plug mechanism (210) comprises two plugs (211), the switch assembly (220) comprises a base (230), a connecting bridge assembly (240) and two wire terminals (212), the base (230) is arranged in the housing (100), and both of the wire terminals (212) are arranged in the base (230); the connecting bridge assembly (240) is movably arranged in the base (230), and the trigger assembly is in transmission cooperation with the connecting bridge assembly (240); both of the plugs (211) are arranged in the housing (100); one of the plugs (211) is used for connecting with one live wire in the power cord, and one of the wire terminals (212) is used for connecting with another live wire in the power cord; the other plug (211) is connected with the other wire terminal (212); when the trigger assembly is in the stressed state, the connecting bridge assembly (240) can be moved to separate from both of the wire terminals (212), and the plug (211) is in the disconnecting state; when the trigger assembly is in the initial state, the connecting bridge assembly (240) can be reset to contact both of the wire terminals (212) to make the plug (211) in the conducting state.

3. The plug of claim 2, wherein, the switch assembly (220) further comprises an elastic member (241) arranged between the connecting bridge assembly (240) and the base (230); when the trigger assembly is in the initial state, the connecting bridge assembly (240) can be reset to contact both of the wire terminals (212) under the elastic action of the elastic member (241).

4. The plug of claim 2, wherein, The connecting bridge assembly (240) comprises a connecting bridge (242) and two contacts, both of which are arranged on the connecting bridge (242), the connecting bridge (242) is movably arranged on the base (230), and the trigger assembly is in transmission cooperation with the connecting bridge (242); wherein, When the trigger assembly is in the stressed state, the trigger assembly can move the connecting bridge (242) to separate the two contacts from the two terminal posts (212); when the trigger assembly is in the initial state, the connecting bridge (242) can reset to make the two contacts correspondingly contact the two terminal posts (212).

5. The plug of claim 3, wherein, The connecting bridge assembly (240) is provided with a mounting cavity (244), the base (230) is connected with a mounting column (231), the elastic member (241) is arranged in the mounting cavity (244) and sleeved on the mounting column (231).

6. The plug of any one of claims 1-5, wherein, The trigger assembly is rotatably arranged on the shell (100).

7. A socket for mating with the plug of any one of claims 1-6, characterized in that, The plug comprises: The socket panel (301) is provided with a plug-in slot (320), the bottom of the plug-in slot (320) is provided with a plug hole (321), the plug hole (321) can be plugged and matched with the plug-in mechanism (210), the wall of the plug-in slot (320) is provided with a convex rib (322); wherein, During the process of plugging the plug into the plug-in slot (320), the convex rib (322) can press the switch mechanism (300) to make the switch mechanism (300) in the stressed state, and the switch mechanism (300) can make the plug-in mechanism (210) switch to the disconnected state; When the plug is completed in the plug-in slot (320), the convex rib (322) is separated from the switch mechanism (300), and the switch mechanism (300) can reset to make the plug-in mechanism (210) return to the conducting state.

8. The socket of claim 7, wherein, The wall of the plug-in slot (320) is also provided with an avoiding opening (324), which is located between the convex rib (322) and the bottom of the plug-in slot (320), for avoiding the switch mechanism (300); When the plug is plugged into the plug-in slot (320), the switch mechanism (300) moves to the avoiding opening (324) to reset to make the plug-in mechanism (210) return to the conducting state.

9. An electric device, characterized by The plug comprises the plug according to any one of claims 1-6.

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