Switch mechanism and socket

Abstract

A switch mechanism and a socket, relating to the technical field of electrical engineering. The switch mechanism comprises: a contact assembly and a swing assembly. The swing assembly comprises a driving block, a first elastic member, a swing block, and a movable contact piece. The contact assembly comprises a static contact piece. The swing block is rotatably arranged. Part of the swing block is located between the driving block and the first elastic member. The movable contact piece is connected to the swing block and corresponds to the static contact piece. The driving block can be driven to move from a first position to a second position, and drive the swing block to enable the movable contact piece to swing to be in contact with the static contact piece. When the driving block is in the first position, the driving block is separated from the swing block, and the first elastic member abuts against the swing block. When the driving block is in the second position, the driving block abuts against the swing block, and the first elastic member is separated from the swing block. The switch mechanism has a snap-action switching effect, and also has the advantages of a small number of parts, a compact size, and high operation reliability, etc.

Description

Switch mechanism and socket

[0001] The present application claims priority to the following Chinese patent applications: Application No. 202410814826.5, entitled “Switch mechanism and socket”, filed on June 21, 2024; Application No. 202410815399.2, entitled “Socket protection door and socket”, filed on June 21, 2024; Application No. 202410814921.5, entitled “Socket”, filed on June 21, 2024; Application No. 202410812686.8, entitled “Socket”, filed on June 21, 2024; Application No. 202421435542.7, entitled “Moving contact assembly and contact switch”, filed on June 21, 2024; Application No. 202421440607.7, entitled “Switch mechanism and socket”, filed on June 21, 2024; Application No. 202421440487.0, entitled “Stationary contact assembly and contact switch”, filed on June 21, 2024; the contents of all of which are incorporated herein by reference. TECHNICAL FIELD

[0002] The present application relates to the technical field of sockets, in particular to a switch mechanism and a socket. BACKGROUND

[0003] The socket and the plug can cause the generation of electric arc during the breaking process. If the electric arc is not extinguished in time, it will bring safety hazards.

[0004] In order to realize arc extinguishing, a switch mechanism needs to be arranged in the socket, and the switch mechanism includes a stationary contact and a moving contact. During the process of inserting the plug into the socket, the stationary contact and the moving contact are rapidly contacted to make the socket be powered on. During the process of pulling out the plug from the socket, the stationary contact and the moving contact are rapidly broken to make the socket be immediately powered off.

[0005] How to reasonably arrange the switch mechanism inside the socket is a key technical problem.

[0006] DISCLOSURE

[0007] In one aspect, a switch mechanism is provided, which comprises a contact assembly and a swing assembly, the swing assembly comprising a driving block, a swing block, a first elastic member, a movable contact, the contact assembly comprising a fixed contact; the swing block is rotationally arranged, a part of the swing block is located between the driving block and the first elastic member, the movable contact is connected to the swing block and corresponds to the fixed contact; the driving block can be driven to move from a first position to a second position, and drive the swing block to swing the movable contact to contact the fixed contact; when the driving block is in the first position, the driving block is separated from the swing block and the first elastic member is in contact with the swing block; when the driving block is in the second position, the driving block is in contact with the swing block and the first elastic member is separated from the swing block.

[0008] The switch mechanism provided by the embodiments of the present application improves the assembly mode of the driving block, the swing block and the first elastic member, so that when the swing block is driven by the driving block, the first elastic member does not exert a reverse force on the swing block, and when the swing block is driven by the first elastic member, the driving block does not exert a positive force on the swing block, thereby significantly improving the swing speed of the swing block and achieving a more excellent instantaneous on-off effect of the switch mechanism, which helps to suppress or even avoid the arc generated when the movable contact and the fixed contact of the switch mechanism are in contact or separated. Moreover, the switch mechanism provided by the embodiments of the present application also has the advantages of fewer components, smaller size, and stronger operation reliability.

[0009] In another aspect, a socket is provided, which comprises a socket housing, a first conductive assembly and a second conductive assembly arranged inside the socket housing; the first conductive assembly comprises a first terminal, a first socket and the switch mechanism of any one of the claims; the second conductive assembly comprises a second terminal and a second socket, the second terminal is electrically connected to the second socket; the switch mechanism is located between the first socket and the first terminal, and the driving block of the switch mechanism can be driven by a plug to control the on-off between the first socket and the first terminal. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the present application or the implementation manners in the related art, the drawings needed in the following embodiment or related art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art based on these drawings.

[0011] FIG. 1 is a cross-sectional view of an exemplary switch mechanism provided by the embodiments of the present application;

[0012] FIG. 2 is a cross-sectional view of a switch mechanism in a closed state provided by the embodiments of the present application;

[0013] Fig. 3 is a sectional view of a switch mechanism in a disengaged state according to an embodiment of the present application;

[0014] Fig. 4 is a schematic view of a swing assembly according to an embodiment of the present application;

[0015] Fig. 5 is a schematic view of a driving block according to an embodiment of the present application;

[0016] Fig. 6 is a schematic view of an exemplary driving block according to an embodiment of the present application;

[0017] Fig. 7 is a schematic view of another exemplary driving block according to an embodiment of the present application;

[0018] Fig. 8 is a schematic view of an internal structure of a switch mechanism according to an embodiment of the present application;

[0019] Fig. 9 is an exploded view of a switch mechanism according to an embodiment of the present application;

[0020] Fig. 10 is an exploded view of another switch mechanism according to an embodiment of the present application;

[0021] Fig. 11 is a schematic view of a structure of a second switch mechanism housing according to an embodiment of the present application;

[0022] Fig. 12 is a schematic view of a structure of a swing assembly according to an embodiment of the present application;

[0023] Fig. 13 is a schematic view of a structure of a swing block according to an embodiment of the present application;

[0024] Fig. 14 is a schematic view of a structure of a magnetic block according to an embodiment of the present application;

[0025] Fig. 15 is a schematic view of a principle of a driving arm swinging under stress according to an embodiment of the present application, which does not include a connecting rib;

[0026] Fig. 16 is a schematic view of a principle of a driving arm swinging under stress according to an embodiment of the present application, which includes a connecting rib;

[0027] Fig. 17 is a schematic view of another swing assembly according to an embodiment of the present application;

[0028] Fig. 18 is a schematic view of a structure of a second elastic member according to an embodiment of the present application;

[0029] Fig. 19 is a schematic view of another swing block according to an embodiment of the present application;

[0030] Fig. 20 is a schematic view of another magnetic block according to an embodiment of the present application;

[0031] Fig. 21 is a schematic view of a moving contact assembled to a magnetic block according to an embodiment of the present application;

[0032] Fig. 22 is a schematic view of a second elastic member assembled to a magnetic block according to an embodiment of the present application;

[0033] Fig. 23 is an exploded view of a contact assembly according to an embodiment of the present application;

[0034] Fig. 24 is a schematic view of a contact assembly according to an embodiment of the present application;

[0035] Fig. 25 is a schematic view of a third elastic member according to an embodiment of the present application;

[0036] Fig. 26 is a schematic view of another third elastic member according to an embodiment of the present application;

[0037] Fig. 27 is a schematic view of another third elastic member according to an embodiment of the present application;

[0038] Fig. 28 is a schematic view of a third elastic member and a support member before assembly according to an embodiment of the present application;

[0039] Fig. 29 is a schematic view of a conduction process of a switch mechanism according to an embodiment of the present application;

[0040] Fig. 30 is a schematic view of a breaking process of a switch mechanism according to an embodiment of the present application;

[0041] Fig. 31 is a schematic view of a mounting method of a first conductive assembly to a fixing frame according to an embodiment of the present application;

[0042] Fig. 32 is a schematic view of a front face of a DC socket according to an embodiment of the present application;

[0043] Fig. 33 is a schematic view of a back face of a DC socket according to an embodiment of the present application;

[0044] Fig. 34 is an exploded view of a DC socket according to an embodiment of the present application;

[0045] Fig. 35 is a schematic view of electrical components inside a DC socket according to an embodiment of the present application;

[0046] Fig. 36 is an exploded view of a first conductive assembly according to an embodiment of the present application;

[0047] Fig. 37 is a schematic view of a breaking and conduction principle of a switch mechanism according to an embodiment of the present application;

[0048] Fig. 38 is a sectional view of a DC socket in a breaking state of a switch mechanism according to an embodiment of the present application;

[0049] Figure 39 is a sectional view of a DC socket with a switch mechanism in an on state according to an embodiment of the application;

[0050] Figure 40 is a schematic view of a fixed frame of a DC socket with a swing block in different postures according to an embodiment of the application;

[0051] Figure 41 is a top view of a socket protection door according to an embodiment of the application;

[0052] Figure 42 is a bottom view of a socket protection door according to an embodiment of the application;

[0053] Figure 43 is a schematic view of a socket protection door and a latch cooperating and driving according to an embodiment of the application;

[0054] Figure 44 is a first driving stroke diagram of a socket protection door according to an embodiment of the application;

[0055] Figure 45 is a second driving stroke diagram of a socket protection door according to an embodiment of the application;

[0056] Figure 46 is a third driving stroke diagram of a socket protection door according to an embodiment of the application;

[0057] Figure 47 is a fourth driving stroke diagram of a socket protection door according to an embodiment of the application;

[0058] Figure 48 is a front view of a socket with a protection door according to an embodiment of the application;

[0059] Figure 49 is a sectional view of a combined structure of a protection door and a pressing plate according to an embodiment of the application;

[0060] Figure 50 is a schematic view of a protection door in a state of double-latch driving according to an embodiment of the application;

[0061] Figure 51 is a schematic view of a protection door in a state of single-latch driving according to an embodiment of the application;

[0062] Figure 52 is a combined view of a combined structure of a protection door and a pressing plate according to an embodiment of the application;

[0063] Figure 53 is a bottom view of a combined structure of a protection door and a pressing plate according to an embodiment of the application;

[0064] Figure 54 is an exploded view of a combined structure of a protection door and a pressing plate according to an embodiment of the application.

[0065] The reference signs respectively represent:

[0066] 100, socket; 200, plug; 201, latch;

[0067] 1, housing; 11, fixed frame; 111, rib plate; 1111, first opening; 1112, second opening; 12, pressing plate; 120, accommodating cavity; 121, second guide structure; 1211, guide block; 122, seventh limiting structure; 13, face cover; 14, face plate; 141, ground pole jack; 142, positive pole jack; 143, negative pole jack;

[0068] 2, first conductive assembly; 20, switch mechanism; 21, first wiring terminal; 22, first bushing;

[0069] 23, contact assembly; 230, static contact piece; 2300, static contact point; 231, support piece; 2310, support piece body; 2311, second connecting part; 23111, second positioning structure; 2312, support part; 2313, limiting hole; 2314, first magnetic block chamber;

[0070] 232, first static contact piece; 2321, first static contact point; 233, second static contact piece; 2331, second static contact point;

[0071] 234, first magnetic block; 235, third elastic piece; 2351, extension part; 2352, first connecting part; 23521, flat piece; 23522, circular arc piece; 23523, first positioning structure;

[0072] 24, swing assembly;

[0073] 241, driving assembly; 2411, driving block; 24111, driving body; 24112, connecting arm; 24113, first driving face; 24114, second driving face; 241140, middle contact face; 241141, first side contact face; 241142, second side contact face; 24115, convex rib; 24116, strip rib; 24117, concave groove; 2412, first elastic piece;

[0074] 242, swing block; 2420, through hole; 2421, swing body; 24210, mounting groove; 24211, first limiting structure; 24212, limiting rib; 24213, cylindrical groove; 2422, driving arm; 2423, connecting rib; 2424, rotating shaft;

[0075] 243, moving contact piece; 2431, moving contact point; 2432, fourth limiting structure; 2433, elastic patch;

[0076] 244, magnetic attraction block; 2441, U-shaped groove; 24411, third limiting structure; 24412, arc-shaped recessed part; 2442, extension arm; 24421, second limiting structure;

[0077] 245、second elastic member; 2451, rolled-up part; 2452, convex bump;

[0078] 25、switch mechanism housing; 251, first switch mechanism housing; 250, first guide slot; 2511, first housing wall; 2510, first wire outlet hole; 2512, support boss; 252, second switch mechanism housing; 2521, second housing wall; 2520, second wire outlet hole; 253, limiting column; 254, second magnetic block cavity; 255, combined cavity;

[0079] 26, wire outlet structure; 261, first braided copper wire; 262, second braided copper wire;

[0080] 3, second conductive assembly; 31, second wiring terminal; 32, second plug-in sleeve;

[0081] 4, ground pole conductive assembly; 41, ground pole wiring terminal; 42, ground pole plug-in sleeve;

[0082] 5, second magnetic block;

[0083] 6, protection door; 601, first inclined surface; 602, second inclined surface; 6021, bolt path area; 603, guide surface;

[0084] 61, main body part; 610, first guide structure; 6101, second guide slot;

[0085] 62, first shielding part; 620, fifth limiting structure;

[0086] 63, second shielding part; 630, sixth limiting structure; 64, connecting boss;

[0087] 7, fourth elastic member. DETAILED DESCRIPTION

[0088] In order to make the above objectives, features and advantages of the present application more apparent, further description will be made to the present application in conjunction with the accompanying drawings and examples. However, the example implementations can be implemented in various forms, and should not be understood as being limited to the implementations set forth herein; on the contrary, these implementations are provided so as to make the present application more comprehensive and complete, and to fully convey the ideas of the example implementations to those skilled in the art. The same reference signs in the drawings represent the same or similar structures, and thus repeated description thereof will be omitted. The expressions of position and direction described in the present application are described with the drawings as an example, but can be changed as needed, and the changes made are included in the protection scope of the present application. The drawings of the present application are only used to show the relative positional relationship and do not represent the true proportion.

[0089] The socket and the plug can generate arc during the breaking process, and the arc can bring safety hazard if it cannot be extinguished in time. In order to realize arc extinguishing, a switch mechanism 20 is usually arranged in the socket 100, the switch mechanism 20 is arranged between the terminal of a certain polarity of the socket 100 and the socket shell, and the switch mechanism 20 is used to realize arc extinguishing during the plug-in and plug-out process of the plug 200. For example, the socket comprises a socket shell 1, a first conductive assembly 2 and a second conductive assembly 3 arranged in the socket shell 1; the first conductive assembly 2 comprises a switch mechanism 20, a first terminal 21 and a first socket shell 22; the switch mechanism is located between the first socket shell 22 and the first terminal 21, and the driving block 2411 of the switch mechanism can be driven by the plug pin 201 to control the on-off of the first socket shell 22 and the first terminal 21. The second conductive assembly 3 comprises a second terminal 31 and a second socket shell 32, and the second terminal 31 is electrically connected with the second socket shell 32.

[0090] During the process of inserting the plug 200 into the socket 100, the switch mechanism 20 can make the first terminal 21 and the first socket shell 22 conduct quickly. During the process of pulling out the plug 200 from the socket 100, the switch mechanism 20 can make the circuit between the first terminal 21 and the first socket shell 22 break quickly to avoid generating arc between the plug pin 201 of the plug 200 and the socket shell of the socket 100.

[0091] It should be noted that either one or both of the first conductive assembly 2 and the second conductive assembly 3 can be provided with the switch mechanism 20, and the above example illustrates that the switch mechanism is arranged between the first terminal 21 and the first socket shell 22, which does not exclude that the switch mechanism 20 can also be arranged between the second terminal 31 and the second socket shell 32 and play the same role.

[0092] As shown in FIG. 1, the switch mechanism 20 comprises a contact assembly 23 and a swing assembly 24, the swing assembly 24 comprises a driving block 2411, a first elastic member 2412, a swing block 242 and a movable contact 243, and the contact assembly 23 comprises a fixed contact 230. The swing block 242 is rotationally arranged, part of the swing block 242 is located between the driving block 2411 and the first elastic member 2412, and the movable contact 243 is connected to the swing block 242 and corresponds to the fixed contact 230. The driving block 2411 can be driven to move from a first position to a second position, and drive the swing block 242 to swing the movable contact 243 to contact the fixed contact 230. When the driving block 2411 is in the first position, the driving block 2411 is separated from the swing block 242 and the first elastic member 2412 abuts against the swing block 242. When the driving block 2411 is in the second position, the driving block 2411 abuts against the swing block 242 and the first elastic member 2412 is separated from the swing block 242.

[0093] For example, the swing block 242 of the switch mechanism 20 can be rotatably connected to the socket shell 1 or rotatably connected to the switch mechanism shell 25 of the switch mechanism 20. For example, as shown in FIG. 2, the switch mechanism 20 further comprises a switch mechanism shell 25, the driving block 2411, the first elastic member 2412, the swing block 242, the movable contact 243 and the fixed contact 230 are all located inside the switch mechanism shell 25, and the swing block 242 is rotatably connected to the switch mechanism shell 25. The combination of the driving block 2411 and the first elastic member 2412 can be referred to as a driving assembly 241. Since the sliding of the driving block 2411 is driven by the plug 201 inserted into the socket, as shown in FIG. 2, at least part of the driving block 2411 is exposed by the switch mechanism shell 25, and the driving block 2411 is located below the target socket of the socket, that is, the direction away from the panel of the socket; wherein the target socket is one of the ground socket, the positive socket and the negative socket of the three-hole socket, or the target socket is one of the positive socket and the negative socket of the two-hole socket.

[0094] The switch mechanism relates to the present application. The movable contact 243 is separated from the fixed contact 230 in the normal state without external driving, the switch mechanism is in the open state, and the socket is not electrified. When the plug 201 is inserted into the socket, the plug 201 first contacts the uncharged socket, then drives the driving block 2411 to move from the first position to the second position, and the moving driving block 2411 further drives the swing block 242 to rotate, the rotating swing block 242 makes the movable contact 243 swing to contact the fixed contact 230, so that the switch mechanism switches to the closed state and the socket is electrified. Conversely, when the plug 201 is pulled out of the socket, the movable contact 243 is first separated from the fixed contact 230, so that the switch mechanism switches to the open state and the socket is not electrified, and then the plug 201 is separated from the socket. Therefore, when the switch mechanism is connected to the circuit in which the socket is located, the arc generated during the insertion or pulling out of the plug 201 can be avoided.

[0095] As shown in FIG. 1, the movable contact 243 has a movable contact point 2431, and the fixed contact 230 has a fixed contact point 2300. The contact and separation of the movable contact 243 and the fixed contact 230 can be the contact and separation of the movable contact point 2431 and the fixed contact point 2300.

[0096] As for the switch mechanism 20 itself, the swing block 242 is rotationally arranged to drive the movable contact piece 243 to swing, and a part of the swing block 242 is located between the driving block 2411 and the first elastic member 2412. On the one hand, under the driving action of the plug-in pin 201, the driving block 2411 moves from the first position to the second position, the driving block 2411 acts on the swing block 242 to make it swing, and then the movable contact piece 243 moves to contact the static contact piece 230, so that the switch mechanism switches to the closed state. On the other hand, when the plug-in pin 201 is pulled out, the first elastic member 2412 is elastically reset, and the first elastic member 2412 acts on the driving block 2411 and the swing block 242 to make them move reversely, and then the driving block 2411 is reset from the second position to the first position, and the movable contact piece 243 moves to separate from the static contact piece 230, so that the switch mechanism switches to the open state.

[0097] In particular, the embodiment of the present application improves the assembly mode between the driving block 2411, the swing block 242 and the first elastic member 2412 as follows: when the driving block 2411 is in the first position, the driving block 2411 is separated from the swing block 242 and the first elastic member 2412 abuts against the swing block 242. When the driving block 2411 is in the second position, the driving block 2411 abuts against the swing block 242 and the first elastic member 2412 is separated from the swing block 242. This arrangement can significantly improve the instantaneous effect of the switch mechanism, as shown below.

[0098] Taking the application of the switch mechanism in the socket as an example, when the plug-in pin 201 is inserted, it can drive the switch mechanism to switch from the open state to the closed state. However, when the plug-in pin 201 is pulled out, it cannot drive the switch mechanism to switch from the closed state to the open state, so it is necessary to set an elastic member to drive the opening process of the switch mechanism.

[0099] In view of the above technical background, the current common solution is to arrange a positive driving member such as the driving block 2411 of the swing block 242 of the present application and a reverse driving member such as the first elastic member 2412 on the opposite sides of the transmission member such as the driving arm 2422 of the swing block 242 of the present application. The positive driving member and the reverse driving member abut against the opposite sides of the transmission member respectively, so that the positive driving member positively drives the transmission member to make the switch mechanism switch to the closed state, and at the same time, the reverse driving member with elastic characteristics is compressed, so that the reverse driving member can reversely drive the transmission member to make the switch mechanism switch to the open state. However, since the two sides of the transmission member bear the positive driving force from the positive driving member and the reverse driving force from the reverse driving member respectively, the positive movement and reverse movement speed of the transmission member are relatively slow, which is obviously not conducive to the instantaneous effect of the switch mechanism.

[0100] The advantage of the above scheme of the embodiment of the present application lies in that when it is needed to drive the swing block 242 in the positive direction to make the switch mechanism 20 switch to the closed state, the plug 201 is inserted. Since the driving block 2411 is in the first position, the driving block 2411 is separated from the swing block 242, so that there is a clearance distance between the driving block 2411 and the swing block 242. When the driving block 2411 is driven to move by the plug 201, the driving block 2411 will press the first elastic member 2412, so that the first elastic member 2412 moves from the position abutting against the swing block 242 to the position separated from the swing block 242. At this time, the first elastic member 2412 does not act on the swing block 242. Until the movement distance of the driving block 2411 is equal to the clearance distance, the driving block 2411 abuts against the swing block 242 and the first elastic member 2412 is separated from the swing block 242. In this way, the moving driving block 2411 drives the swing block 242 in the positive direction to make the switch mechanism switch to the closed state, and the swing block 242 will not be subjected to the reverse force from the first elastic member 2412, so that the positive movement speed of the swing block 242 is significantly improved. At the same time, the driving block 2411 moves to the second position.

[0101] Conversely, when it is needed to drive the swing block 242 in the reverse direction to make the switch mechanism 20 switch to the open state, the plug 201 is pulled out. Since the driving block 2411 is in the second position, the first elastic member 2412 is separated from the swing block 242, so that there is also a clearance distance between the first elastic member 2412 and the swing block 242. Then, after the plug 201 is pulled out by a certain distance, the first elastic member 2412 driven to move resets the driving block 2411, so that the driving block 2411 moves from the position abutting against the driving block 2411 to the position separated from the swing block 242. At this time, the driving block 2411 does not act on the swing block 242. Until the movement distance of the first elastic member 2412 is equal to the clearance distance, the first elastic member 2412 abuts against the swing block 242 and the driving block 2411 is separated from the swing block 242. In this way, the moving first elastic member 2412 drives the swing block 242 in the reverse direction to make the switch mechanism switch to the open state, and the swing block 242 will not be subjected to the positive force from the driving block 2411, so that the reverse movement speed of the swing block 242 is significantly improved. At the same time, the driving block 2411 is reset to move to the first position.

[0102] It can be seen that the switch mechanism provided by the embodiment of the present application improves the assembly mode among the driving block 2411, the swing block 242 and the first elastic member 2412, so that when the swing block 242 is driven by the driving block 2411 in the positive direction, the first elastic member 2412 does not exert a reverse force on the swing block 242, and when the swing block 242 is driven by the first elastic member 2412 in the reverse direction, the driving block 2411 does not exert a positive force on the swing block 242, thereby significantly improving the swing speed of the swing block 242 and achieving a more excellent instantaneous on-off effect of the switch mechanism, which is conducive to suppressing or even avoiding the arc generated when the movable contact 243 contacts or separates from the static contact 230. In addition, the switch mechanism provided by the embodiment of the present application also has the advantages of fewer components, small size and strong operation reliability.

[0103] As shown in FIG. 1, the movable contact 243 has a movable contact point 2431, and the static contact 230 has a static contact point 2300. The contact or separation between the movable contact 243 and the static contact 230 refers to the contact or separation between the movable contact point 2431 and the static contact point 2300. The slower the contact or separation speed between the corresponding contact points of the movable contact 243 and the static contact 230, the more serious the arc phenomenon between the contact points. Conversely, the faster the contact or separation speed between the contact points, that is, the instantaneous contact or separation, the more slight the arc phenomenon between the contact points, or even the absence of the arc phenomenon. In addition, based on the components of the switch mechanism provided by the embodiment of the present application, the number of components contained therein is small, which is conducive to simplifying the structure of the switch mechanism and enhancing the operation reliability thereof.

[0104] Further based on FIG. 1 and in combination with FIG. 2, the swing block 242 includes a rotationally arranged swing body 2421, for example, the swing body 2421 is connected to the switch mechanism housing 25, and a driving arm 2422 connected to the swing body 2421. The driving block 2411 includes a driving body 24111 located at the first side of the driving arm 2422, and a connecting arm 24112 movably penetrating the driving arm 2422 and connected to the driving body 24111. The first elastic member 2412 is located at the second side of the driving arm 2422, and one end of the first elastic member 2412 is fixed, and the other end is connected to the connecting arm 24112, for example, the two ends of the first elastic member 2412 are respectively connected to the switch mechanism housing 25 and the connecting arm 24112. The movable contact 243 is connected to the swing body 2421 and corresponds to the static contact 230. As shown in FIG. 3, when the driving block 2411 is in the first position, the driving body 24111 is separated from the first side of the driving arm 2422, and the first elastic member 2412 abuts against the second side of the driving arm 2422. As shown in FIG. 2, when the driving block 2411 is in the second position, the driving body 24111 abuts against the first side of the driving arm 2422, and the first elastic member 2412 is separated from the second side of the driving arm 2422.

[0105] Under the driving action of the plug 201, the driving block 2411 acts on the swing block 242 through the driving arm 2422 to swing the swing block 242, and then the movable contact 243 is moved to contact the fixed contact 230, so that the switch mechanism is switched to the closed state.

[0106] As shown in FIG. 3, when the driving arm 2422 needs to be driven forward to switch the switch mechanism to the closed state, the plug 201 is inserted. Since the driving block 2411 is in the first position, the driving body 24111 is separated from the first side of the driving arm 2422, so that there is a clearance distance between the driving body 24111 and the driving arm 2422. When the driving block 2411 is driven to move by the plug 201, the driving body 24111 will press the first elastic member 2412, so that the first elastic member 2412 moves from the position abutting against the second side of the driving arm 2422 to the position separated from the second side of the driving arm 2422. At this time, the first elastic member 2412 does not act on the second side of the driving arm 2422, until the movement distance of the driving body 24111 is equal to the clearance distance, the driving body 24111 abuts against the first side of the driving arm 2422 and the first elastic member 2412 is separated from the second side of the driving arm 2422. In this way, the moving driving body 24111 drives the driving arm 2422 forward to switch the switch mechanism to the closed state, and the driving arm 2422 will not be subjected to the reverse force from the first elastic member 2412, which significantly improves the forward movement speed of the driving arm 2422. At the same time, the driving block 2411 moves to the second position.

[0107] On the contrary, as shown in FIG. 2, when the driving arm 2422 needs to be driven reversely to switch the switch mechanism to the open state, the plug 201 is pulled out. Since the driving block 2411 is in the second position, the first elastic member 2412 is separated from the second side of the driving arm 2422, so that there is also a clearance distance between the first elastic member 2412 and the driving arm 2422. Then, after the plug 201 is pulled out by a certain distance, the reset moving first elastic member 2412 drives the driving block 2411 to move from the position abutting against the first side of the driving arm 2422 to the position separated from the first side of the driving arm 2422. At this time, the driving body 24111 does not act on the first side of the driving arm 2422, until the movement distance of the first elastic member 2412 is equal to the clearance distance, the first elastic member 2412 abuts against the second side of the driving arm 2422 and the driving body 24111 is separated from the first side of the driving arm 2422. In this way, the moving first elastic member 2412 drives the driving arm 2422 reversely to switch the switch mechanism to the open state, and the driving arm 2422 will not be subjected to the forward force from the driving block 2411, which significantly improves the reverse movement speed of the driving arm 2422. At the same time, the driving block 2411 resets to the first position.

[0108] As shown in FIG. 4, the driving arm 2422 has a through hole 2420, and the connecting arm 24112 of the driving block 2411 passes through the through hole 2420. For example, the end of the driving arm 2422 away from the swing body 2421 has a through hole 2420, which can be a strip hole for example, and the connecting arm 24112 of the driving block 2411 movably passes through the through hole 2420.

[0109] As shown in FIG. 5, the end of the driving body 24111 connected with the connecting arm 24112 has a first driving surface 24113 for driving the first side of the driving arm 2422; when the driving block 2411 is in the first position, the first driving surface 24113 has a gap with the first side of the driving arm 2422 as a clearance stroke H, as shown in FIG. 3.

[0110] Part of the end surface of the driving body 24111 facing the driving arm 2422 is connected to the connecting arm 24112, and the remaining part of the end surface serves as the first driving surface 24113 for abutting against the first side of the driving arm 2422 to drive the driving arm 2422. For example, FIG. 5 shows that the connecting arm 24112 is connected to the middle region of the end surface of the driving body 24111 facing the driving arm 2422, and the region of the end surface of the driving body 24111 outside the connecting arm 24112 serves as the first driving surface 24113.

[0111] As shown in FIG. 3, when the driving block 2411 is in the first position, the first driving surface 24113 has a gap with the first side of the driving arm 2422 as a clearance stroke H, i.e., the above-mentioned clearance distance, so that when the driving arm 2422 of the swing block 242 is driven forward by the driving block 2411, the first elastic member 2412 does not exert a reverse force on the driving arm 2422, and when the driving arm 2422 of the swing block 242 is driven reversely by the first elastic member 2412, the driving block 2411 does not exert a forward force on the driving arm 2422.

[0112] In the embodiment of the present application, the clearance stroke H is greater than or equal to the swing stroke of the driving arm 2422, that is, the compression stroke of the first elastic member 2412 is greater than or equal to the swing stroke of the driving arm 2422, so as to ensure that the clearance is in place and that the driving arm 2422 is not hindered by the force during the swing, so that the driving arm 2422 can be smoothly, reliably and quickly swung to the position.

[0113] In some examples, as shown in FIG. 3, when the driving block 2411 is in the first position, the first driving surface 24113 is parallel to the first side surface of the driving arm 2422, so that the first driving surface 24113 and the first side surface of the driving arm 2422 are in surface contact when they first contact each other, for example, the first driving surface 24113 and the first side surface of the driving arm 2422 are both planar.

[0114] When the driving block 2411 is in the first position, the first driving surface 24113 of the driving body 24111 is parallel to the first side surface of the driving arm 2422. On the one hand, this facilitates the driving body 24111 and the driving arm 2422 to be in surface-to-surface contact and driven in a surface driving manner at the moment when they first contact each other, so that the driving force on the driving arm 2422 is more concentrated and stable. On the other hand, when the driving block 2411 moves to have the clearance H with the driving arm 2422 under the driving action of the first elastic member 2412, the first driving surface 24113 of the driving body 24111 is also parallel to the first side surface of the driving arm 2422, which effectively avoids the driving body 24111 from interfering with the driving arm 2422 in the retreat movement, facilitates to improve the movement speed of the driving arm 2422, optimizes the instantaneous effect, and facilitates to reduce the retreat stroke of the driving arm 2422.

[0115] In the embodiment of the present application, the driving block 2411 applies a compression force to the first elastic member 2412, and in particular, the direction of the compression force applied by the driving block 2411 to the first elastic member 2412 is consistent with the stretching direction of the first elastic member 2412. As shown in FIG. 3, the driving point of the driving block 24111, the driving point of the connecting arm 24112 on the first elastic member 2412, and the support point of the switch mechanism housing 25 on the first elastic member 2412 are on the same straight line, so that the driving force on the first elastic member 2412 is a positive pressure, which is more conducive to reducing the precision requirement of the first elastic member 2412, improving the fault tolerance of the first elastic member 2412, improving the structural stability of the first elastic member 2412, and improving the stability of the driving process.

[0116] In some current technical solutions, the driving force applied to the first elastic member 2412 is a side pressure, so that the first elastic member 2412 is bent as a whole, i.e., the axis of the first elastic member 2412 changes from a straight line to a curve to achieve the instantaneous and reset effects. However, the process and precision requirement of the first elastic member 2412 is extremely high when the side pressure is used to provide the force, for example, the two ends of the compression spring must be ground flat to keep a high degree of parallelism, which not only makes the first elastic member 2412 prone to movement failure, but also causes low structural stability. The present application applies a positive pressure to the first elastic member 2412, which can obviously solve the technical problems existing in the current technical solutions.

[0117] The fault tolerance of the first elastic member 2412 is better based on the embodiments of the present application, and the first elastic member 2412 can adopt various structural forms, and has higher universality.

[0118] In some examples, the first elastic member 2412 includes a compression spring, a clasp spring or a plastic elastic body. When the first elastic member 2412 is a clasp spring, the clasp spring can be designed to include a spring body and spring arms symmetrically arranged on both sides of the spring body. The spring body can be assembled to the switch mechanism housing 25, one of the spring arms is connected to the connecting arm 24112 of the driving block 2411, and the other spring arm is connected to the switch mechanism housing 25, so that the direction of the compression force applied by the driving block 2411 to the first elastic member 2412 is consistent with the extension direction of the first elastic member 2412.

[0119] In some examples, as shown in FIG. 3, the first elastic member 2412 adopts a compression spring, which has the advantages of simple structure, convenient assembly and excellent instantaneous effect.

[0120] The driving body 24111 is driven by the plug pin 201. As shown in FIGS. 2 and 5, the driving body 24111 has a second driving surface 24114, which is arranged obliquely relative to the driving direction of the plug pin 201. The second driving surface 24114 is used to receive the plug pin 201, so that when the plug pin 201 moves in a first direction, the driving block 2411 moves in a second direction. The first direction intersects the second direction, for example, the first direction and the second direction can be perpendicular to each other, one of which is in the vertical direction, and the other is in the horizontal direction.

[0121] For example, the second driving surface 24114 is arranged at the end of the side of the driving body 24111 away from the connecting arm 24112. If the driving direction of the plug pin 201 is in the vertical direction, the second driving surface 24114 can be arranged obliquely relative to the vertical direction, so that the driving block 2411 moves in the horizontal direction under the driving of the plug pin 201.

[0122] It can be seen that by arranging the obliquely arranged second driving surface 24114 on the driving body 24111, the driving force direction of the plug pin 201 can be changed and applied to the driving block 2411, so that the driving block 2411 moves smoothly in the target direction.

[0123] In related technologies, the driving block has an obliquely arranged and planar driving surface, which makes the plug pin contact the driving surface at a single point. On the one hand, this can cause the driving surface to be easily worn, thereby causing the driving stroke to be lost. On the other hand, the single-point contact can cause the driving point of the plug pin on the driving surface to deviate, thereby causing the force on the driving block to deviate, resulting in the driving stroke of the driving block to deviate, which is not conducive to the accurate driving of the driving block.

[0124] To solve the above technical problems, the embodiment of the present application provides a driving block 2411 with an improved structure, as shown in FIG. 6, the driving block 2411 comprises: a driving body 24111, a concave groove 24117 arranged on one side of the driving body 24111, and a second driving surface 24114 formed by the inner wall of the concave groove 24117. The second driving surface 24114 comprises a middle contact surface 241140 and a first side contact surface 241141 and a second side contact surface 241142 respectively arranged on both sides of the middle contact surface 241140. For example, the first side contact surface 241141 and the second side contact surface 241142 can be symmetrically arranged relative to the middle contact surface 241140.

[0125] In the embodiment of the present application, the driving block 2411 is configured to allow the plug pin 201 to simultaneously contact the middle contact surface 241140, the first side contact surface 241141 and the second side contact surface 241142 to drive the driving block 2411 to move, thereby driving the switch mechanism 20 to switch between the on state and the off state.

[0126] By arranging the concave groove 24117 on the driving body 24111 of the driving block 2411 and forming the second driving surface 24114 by the inner wall of the concave groove 24117. When the plug pin 201 drives the driving block 2411, the driving end of the plug pin 201 enters the concave groove 24117, and the driving end of the plug pin 201 simultaneously contacts the middle contact surface 241140, the first side contact surface 241141 and the second side contact surface 241142, so that the plug pin 201 presents multi-point or even multi-surface contact with the second driving surface 24114 during the driving process, thereby increasing the contact area. On the one hand, this is conducive to reducing the wear of the second driving surface 24114 by the plug pin 201, thereby reducing the loss of driving stroke. On the other hand, the first side contact surface 241141 and the second side contact surface 241142 are located on the middle contact surface 241140, so that the resultant force of the two driving forces exerted by the plug pin 201 on the first side contact surface 241141 and the second side contact surface 241142 is in the same direction as the force exerted by the plug pin 201 on the middle contact surface 241140. The three forces are combined to form a driving force and accurately drive the driving block 2411, avoiding driving deviation and ensuring that the driving stroke of the driving block 2411 is always on the expected driving path.

[0127] In the embodiments of the present application, the first side contact surface 241141 and the second side contact surface 241142 are respectively located on both sides of the central axis of the middle contact surface 241140, wherein the projection of the central axis of the middle contact surface 241140 of the driving block 2411 on the driving body 24111 is located on the central axis of the driving body 24111, so that the plug 201 applies a main driving force to the middle contact surface 241140. The projections of the first side contact surface 241141 and the second side contact surface 241142 on the driving body 24111 are symmetrically located on both sides of the central axis of the driving body 24111, and the structures of the first side contact surface 241141 and the second side contact surface 241142 are the same. The plug 201 applies an auxiliary driving force to both the first side contact surface 241141 and the second side contact surface 241142.

[0128] Since the driving end of the plug 201 is in contact with the middle contact surface 241140, the first side contact surface 241141 and the second side contact surface 241142 at the same time, it means that the plug 201 and the second driving surface 24114 are in at least three-point contact. Further, in the embodiments of the present application, at least one of the middle contact surface 241140, the first side contact surface 241141 and the second side contact surface 241142 is configured to be in multi-point contact or surface contact with the driving end of the plug 201.

[0129] For example, the middle contact surface 241140, the first side contact surface 241141 and the second side contact surface 241142 are all in multi-point contact or surface contact with the driving end of the plug 201, or the middle contact surface 241140 is in multi-point contact or surface contact with the driving end of the plug 201, and the first side contact surface 241141 and the second side contact surface 241142 can be in single-point contact, multi-point contact or surface contact with the driving end of the plug 201. Through the above arrangement, it is beneficial to further increase the contact area between the second driving surface 24114 and the plug 201, reduce the wear of the second driving surface 24114, and facilitate the accurate driving of the driving block 2411.

[0130] In some examples, the middle contact surface 241140, the first side contact surface 241141 and the second side contact surface 241142 are all arranged obliquely relative to the driving direction of the plug-in bolt 201, and each of the middle contact surface 241140, the first side contact surface 241141 and the second side contact surface 241142 is independently a plane or an arc surface. For example, the middle contact surface 241140, the first side contact surface 241141 and the second side contact surface 241142 can all be planes or all be arc surfaces. Alternatively, the middle contact surface 241140 can be an arc surface, while the first side contact surface 241141 and the second side contact surface 241142 are both planes. Alternatively, the middle contact surface 241140 can be a plane, while the first side contact surface 241141 and the second side contact surface 241142 are both arc surfaces.

[0131] By arranging the middle contact surface 241140, the first side contact surface 241141 and the second side contact surface 241142 obliquely relative to the driving direction of the plug-in bolt 201, the driving force along the driving direction of the plug-in bolt 201 can be converted into a driving force for translational movement of the driving block 2411, so as to realize the steering of the driving force. For example, the plug-in bolt 201 is driven in the vertical direction, and finally the driving block 2411 is translated in the horizontal direction.

[0132] As described above, each of the middle contact surface 241140, the first side contact surface 241141 and the second side contact surface 241142 is independently a plane or an arc surface. In order to improve the driving efficiency, the driving surface of the driving end of the plug-in bolt 201 can also be designed as a plane or an arc surface to achieve the effect of surface-to-surface contact.

[0133] In some examples, as shown in FIG. 6, the middle contact surface 241140, the first side contact surface 241141 and the second side contact surface 241142 are all arc surfaces and are smoothly connected between any two adjacent surfaces, so that the second driving surface 24114 is an arc surface.

[0134] For this example, the driving surface of the driving end of the plug-in bolt 201 can be provided as an arc surface matched with the second driving surface 24114, so that the driving end of the plug-in bolt 201 can be in surface-to-surface contact with the middle contact surface 241140, the first side contact surface 241141 and the second side contact surface 241142, thereby improving the driving efficiency and the driving accuracy.

[0135] In some examples, as shown in FIG. 7, the middle contact surface 241140, the first side contact surface 241141 and the second side contact surface 241142 are all planar, and the angle between any two adjacent surfaces is zero. In other examples, as shown in FIG. 7, the middle contact surface 241140, the first side contact surface 241141 and the second side contact surface 241142 are all planar, and the angle between any two adjacent surfaces is not zero. For example, the angle between the middle contact surface 241140 and the first side contact surface 241141 and the angle between the middle contact surface 241140 and the second side contact surface 241142 are the same, and the angle can be a right angle or an acute angle, for example, a right angle.

[0136] For such examples, the driving surface of the driving end of the latch 201 can be provided as a planar surface that cooperates with the second driving surface 24114, so that the driving end of the latch 201 can be in surface-to-surface contact with the middle contact surface 241140, the first side contact surface 241141 and the second side contact surface 241142, thereby improving the driving efficiency and driving accuracy.

[0137] As described above, the latch 201 is driven in the vertical direction, so that the driving block 2411 moves in the horizontal direction. For such examples, the concave groove 24117 is provided on one side of the driving body 24111, and the surface of the concave groove 24117 perpendicular to the driving direction of the latch 201 has a notch, so that the concave groove 24117 is an open groove, and part of the surface of the driving end of the latch 201 is in contact with the second driving surface 24114. On the one hand, the second driving surface 24114 provided by the concave groove 24117 is driven based on part of the surface of the driving end of the latch 201, and the driving block 2411 moves in the direction of one side of the latch 201 without being interfered by the latch 201, and the non-driving part of the latch 201 and the concave groove 24117 can also avoid forming an undesirable frictional resistance, thereby improving the driving efficiency, and in addition, the open design of the concave groove 24117 also facilitates the simplification of the manufacturing process.

[0138] As mentioned above, the switch mechanism 20 further comprises a switch mechanism housing 25 for accommodating the swing assembly 24 and the contact assembly 23, and the swing block 242 is rotatably connected to the switch mechanism housing 25. As shown in FIG. 10, the switch mechanism housing 25 comprises a first switch mechanism housing 251 and a second switch mechanism housing 252. As shown in FIG. 10, the first switch mechanism housing 251 is a structural schematic diagram, and as shown in FIG. 11, the second switch mechanism housing 252 is a structural schematic diagram. Referring to FIGS. 10 and 11, the first switch mechanism housing 251 and the second switch mechanism housing 252 are both box-like structures with one side open. When the first switch mechanism housing 251 and the second switch mechanism housing 252 are assembled together, a cavity is formed, and the swing assembly 24 and the contact assembly 23 are located in the cavity.

[0139] In combination with the above-mentioned solutions, the swing block 242 and the first elastic member 2412 can be connected to one of the first switch mechanism housing 251 and the second switch mechanism housing 252. For example, as shown in FIG. 10, the first switch mechanism housing 251 can be provided with a support boss 2512 for connecting to the first elastic member 2412. For the through hole formed in the switch mechanism housing 25 and used for the plug-in and pull-out of the plug 201, a part of the through hole is formed in the first switch mechanism housing 251, and another part of the through hole is formed in the second switch mechanism housing 252. In addition, the inner wall of the switch mechanism housing 25 can be further provided with a stop structure for supporting and limiting the swing block 242 in the off state of the switch mechanism, so as to stabilize the position of the swing block 242.

[0140] The structure of the driving block 2411 and the swing block 242 and the arrangement of them in the switch mechanism housing 25 will be further described below. In some examples, the switch mechanism housing 25 and the driving body 24111 have matched guide structures configured to guide the movement of the driving block 2411 in the second direction. By providing the guide structures, the smoothness and stability of the movement of the driving block 2411 are more favorable, and the driving block 2411 can be further supported.

[0141] In some examples, the guide structures include first strip structures or second strip structures. The bottom of the driving body 24111 and the inner wall of the switch mechanism housing 25 are in contact through at least two first strip structures, and / or the opposite sides of the driving body 24111 and the inner wall of the switch mechanism housing 25 are in contact through two second strip structures, respectively. The first strip structures and the second strip structures are parallel to the sliding direction of the driving block 2411.

[0142] The number of the first strip structures can be one or more. The first strip structures can be provided on the bottom of the driving block 2411, on the inner wall of the switch mechanism housing 25, or on both the bottom of the driving block 2411 and the inner wall of the switch mechanism housing 25. The first strip structures can be protruding ribs, recesses, or both protruding ribs and recesses.

[0143] For example, as shown in FIG. 5, a strip-shaped rib 24116 is arranged at the bottom of the driving block 2411, and the strip-shaped rib 24116 is a strip-shaped convex rib. Then, the inner wall of the switch mechanism housing 25 can also be provided with a first strip-shaped structure, and the first strip-shaped structure on the inner wall of the switch mechanism housing 25 can be a groove or a convex rib. The bottom of the driving block 2411 is in contact with the inner wall of the switch mechanism housing 25 through two first strip-shaped structures, instead of the entire bottom surface of the driving block 2411 being in contact with the inner wall of the switch mechanism housing 25, which is conducive to reducing the sliding friction between the driving block 2411 and the switch mechanism housing 25, and making the sliding of the driving block 2411 in the switch mechanism housing 25 more smooth.

[0144] In an example, the opposite sides of the driving block 2411 are respectively in contact with the inner wall of the switch mechanism housing 25 through two second strip-shaped structures, and the second strip-shaped structures are parallel to the sliding direction of the driving block 2411. For example, the first side of the driving block 2411 is in contact with the inner wall of the switch mechanism housing 25 through at least one second strip-shaped structure, and the second side of the driving block 2411 is in contact with the inner wall of the switch mechanism housing 25 through at least one second strip-shaped structure. The first side and the second side of the driving block 2411 are opposite to each other.

[0145] The second strip-shaped structure can be arranged on the side of the driving block 2411, or on the inner wall of the switch mechanism housing 25, or both on the side of the driving block 2411 and on the inner wall of the switch mechanism housing 25. The second strip-shaped structure can be a convex rib, a groove, or a combination of a convex rib and a groove.

[0146] For example, as shown in FIG. 8 and FIG. 9, a convex rib 24115 is arranged on the first side of the driving block 2411, and a convex rib 24115 is also arranged on the second side of the driving block 2411. Then, the inner wall of the switch mechanism housing 25 can also be provided with a second strip-shaped structure, and the second strip-shaped structure on the inner wall of the switch mechanism housing 25 can be a groove or a convex rib. For example, FIG. 8 and FIG. 9 show that the second strip-shaped structure on the inner wall of the switch mechanism housing 25 is a first guide groove 250.

[0147] The convex ribs 24115 on the two sides of the driving block 2411 can be arranged at the same height or not. For example, as shown in FIG. 5, the convex ribs 24115 on the two sides of the driving block 2411 are arranged at the same height. The two sides of the driving block 2411 are in contact with the inner wall of the switch mechanism housing 25 through two second strip-shaped structures, which serves to support the driving block 2411.

[0148] In the scheme in which the driving block 2411 is supported in the switch mechanism housing 25 by at least two convex ribs 24115, the influence of mold stripping can be eliminated in product processing, the driving block 2411 is not easy to tilt, and the two sides are always in a parallel state.

[0149] As described above, the number of the first strip-shaped structures between the bottom of the driving block 2411 and the inner wall of the switch mechanism housing 25 can be one or more. In an example, the bottom of the driving block 2411 contacts the inner wall of the switch mechanism housing 25 through two first strip-shaped structures, the first side of the driving block 2411 contacts the inner wall of the switch mechanism housing 25 through one second strip-shaped structure, and the second side of the driving block 2411 contacts the inner wall of the switch mechanism housing 25 through one second strip-shaped structure. Then, in this scheme, one first strip-shaped structure can be as close as possible to one second strip-shaped structure, and the other first strip-shaped structure can be as close as possible to the other second strip-shaped structure.

[0150] For example, referring to FIG. 5, one strip-shaped rib 24116 is located at the bottom of the driving block 2411 and as close as possible to the convex rib 24115 on one side, and the other strip-shaped rib 24116 is located at the bottom of the driving block 2411 and as close as possible to the convex rib 24115 on the other side. In this arrangement, the support of the switch mechanism housing 25 on the driving block 2411 is stronger, and the positioning of the driving block 2411 in the up-down direction is more accurate.

[0151] For the driving block 2411, as shown in FIG. 5, along the movement direction of the driving block 2411, the second driving surface 24114 of the driving body 24111, the first driving surface 24113 of the driving body 24111, and the connecting arm 24112 are sequentially distributed. In combination with FIG. 2, the axial direction of the connecting arm 24112 is consistent with the movement direction of the driving block 2411, one end of the connecting arm 24112 is connected to the driving body 24111, and the other end of the connecting arm 24112 is connected to the first elastic member 2412. The connection between the connecting arm 24112 and the first elastic member 2412 can be non-detachable or detachable, and is desirably detachable. For example, in a detachable connection, a connecting column can be provided at the end of the connecting arm 24112, and an annular step is formed between the connecting column and the connecting arm 24112. The end of the first elastic member 2412 in the form of a compression spring is sleeved on the connecting column, and the end abuts on the annular step of the connecting arm 24112.

[0152] In some examples, as shown in FIG. 5, along the insertion direction of the plug-in 201, the driving body 24111 includes a connecting portion and an extension portion which are sequentially distributed. The connecting portion of the driving body 24111 is connected to the connecting arm 24112, and the second driving surface 24114 is formed on the corresponding end surface of the connecting portion of the driving body 24111. For example, the convex rib 24115 described above can be located on the extension portion of the driving body 24111.

[0153] As shown in FIG. 5, along the movement direction of the plug 201, the size of the driving body 24111 is greater than the size of the connecting arm 24112. On one hand, when the driving block 2411 moves to the second position, the driving body 24111 can provide a larger area to abut against the plug 201, so as to make the driving block 2411, i.e., the switch mechanism, achieve reliable stop action based on the plug 201. On the other hand, when the driving block 2411 moves to the second position, the driving body 24111 can also provide a larger area to abut against the driving arm 2422, so as to make the driving arm 2422, i.e., the swing block 242, achieve reliable stop action based on the driving block 2411.

[0154] For the swing block 242, in some examples, as shown in FIG. 4 and FIG. 3, the first end of the swing body 2421 is rotatably connected with the switch mechanism housing 25, the second end of the swing body 2421 opposite to the first end is connected with the movable contact 243, one end of the driving arm 2422 is connected to the swing body 2421, and the other end of the driving arm 2422 extends away from the swing body 2421 and is movably connected with the connecting arm 24112.

[0155] In combination with the arrangement of the driving block 2411 and the swing block 242 in the switch mechanism housing 25 mentioned in the present application, and the driving arm 2422 extends away from the swing body 2421 and its distal end is movably connected with the connecting arm 24112, it can be seen that the distance between the driving point of the plug 201, e.g., the plug 201, to the hinge point of the swing body 2421 and the switch mechanism housing 25, i.e., the driving force arm of the switch mechanism mentioned above, is obviously longer in the present application than in the prior art. It can be seen that the switch mechanism provided in the present application also has the advantages of longer driving force arm and smaller required driving force, which is beneficial to improve the user operation experience.

[0156] One end of the driving arm 2422 is connected to the swing body 2421, and the other end of the driving arm 2422 extends along the side of the switch mechanism housing 25 close to the through hole for the insertion of the plug 201, e.g., the plug 201. By making the connection position of the driving arm 2422 to the swing body 2421 closer to the first end of the swing body 2421, the driving arm 2422 and the second end of the swing body 2421 have relatively larger space to accommodate the first elastic member 2412 which has relatively larger size, and the driving arm 2422 and the first end of the swing body 2421 have relatively smaller space to accommodate the driving block 2411 which has relatively smaller size, which is beneficial to the compact assembly of the driving block 2411, the swing block 242 and the first elastic member 2412, and is beneficial to reduce the volume of the switch mechanism.

[0157] As shown in FIG. 3, the swing body 2421 is arranged below the switch mechanism housing 25 and is inclined, the driving arm 2422 is arranged above the swing body 2421, the first elastic member 2412 is arranged at a second side region of the driving arm 2422, which is a region formed by the right side part of the swing body 2421 and the driving arm 2422, and the driving block 2411 is arranged at a first side region of the driving arm 2422. It can be seen that the switch mechanism provided in the embodiments of the present application has compact assembly between the components, so as to reduce the occupied space, which is beneficial to miniaturization of the switch mechanism and improves the versatility of the switch mechanism.

[0158] As described above, the driving block 2411 is driven by the pin 201, and in some examples, as shown in FIG. 4 and FIG. 3, the driving arm 2422 is arranged to be inclined relative to the driving direction of the pin 201, for example, the included angle between the driving arm 2422 and the driving direction of the pin 201 can be 10°-45°, etc. By arranging the driving arm 2422 to be inclined relative to the driving direction of the pin 201, it is beneficial to reduce the occupied space of the driving arm 2422, and thus it is beneficial to miniaturization of the switch mechanism.

[0159] As described above and referring to FIG. 4, the driving arm 2422 and the swing body 2421 are arranged at an included angle, the driving arm 2422 is inclined toward the direction close to the second end of the swing body 2421, for example, the included angle between the driving arm 2422 and the swing body 2421 is less than 90°, so as to make the structure more compact. Further, the included angle between the driving arm 2422 and the swing body 2421 can also be greater than or equal to 30°, etc. On the basis of reducing the occupied space of the driving arm 2422, it is also beneficial to optimize the driving efficiency between the driving block 2411 and the swing block 242.

[0160] Further, in order to enhance the structural strength and stability of the driving arm 2422, as shown in FIG. 4, a connecting rib 2423 can be arranged between the driving arm 2422 and the swing body 2421, and the connecting rib 2423 is formed on the surface of the swing body 2421. Further, one end of the connecting rib 2423 is connected to the end of the driving arm 2422 connected to the swing body 2421, and the other end of the connecting rib 2423 extends close to the second end of the swing body 2421.

[0161] By arranging one end of the connecting rib 2423 as close as possible to the second end of the swing body 2421, i.e. the part of the swing body 2421 far away from the driving arm 2422, even if the driving arm 2422 is subjected to a smaller pushing force, the swing body 2421 can be smoothly and reliably swung, which is beneficial to the conduction of the driving force.

[0162] This is because, in the presence of the connecting rib 2423, when the driving arm 2422 is pushed, the point of action on the swing body 2421 is further away from the swing center of the swing block 242, and the force is applied at a distance further away from the swing center, which is more likely to cause the swing body 2421 to swing.

[0163] Therefore, when the driving arm 2422 is subjected to a force, the presence of the connecting rib 2423 can move the point of action of the force to the second end of the swing body 2421, while the swing center is the first end of the swing body 2421, which increases the distance between the swing center and the force point, and further uses a smaller force to drive the swing body 2421 to swing.

[0164] In the embodiment of the present application, the first end of the swing body 2421 can be hinged to the end of the switch mechanism housing 25 away from the through hole, for example, as shown in FIG. 4, the opposite sides of the first end of the swing body 2421 have shafts 2424, and the switch mechanism housing 25 has shaft holes at the corresponding positions.

[0165] On this basis, the swing body 2421 can be arranged obliquely, so that the second end of the swing body 2421 has a gap with the end of the switch mechanism housing 25 away from the through hole, which prevents the swing body from interfering with the switch mechanism housing 25 when it swings.

[0166] In combination with any of the above-mentioned switch mechanisms, in some examples, as shown in FIG. 4, the swing assembly 24 further comprises a magnetic suction block 244 (for example, an iron block) having magnetism, and as shown in FIG. 10, the contact assembly 23 further comprises a first magnetic block 234, and the switch mechanism housing 25 is provided with a second magnetic block 5.

[0167] The magnetic suction block 244 is fixed on the part of the movable contact 243 protruding from the swing block 242, and a part of the magnetic suction block 244 is located on the upper surface of the movable contact 243, and another part is located on the lower surface of the movable contact 243. For example, the magnetic suction block 244 has a clamping groove, which can be clamped on the part of the movable contact 243 protruding from the swing block 242, and as shown in FIG. 10, the magnetic suction block 244 is also located between the two movable contact points 2431.

[0168] Continuing to refer to FIG. 10, the first magnetic block 234 is fixed in the switch mechanism housing 25, and as shown in FIG. 3, the second magnetic block 5 is also fixed in the switch mechanism housing 25. The first magnetic block 234 is located on the forward swing trajectory of the magnetic suction block 244, and the second magnetic block 5 is located on the reverse swing trajectory of the magnetic suction block 244, wherein the stationary contact 2300 is located on the forward swing trajectory of the movable contact 2431.

[0169] Referring to Fig. 3, when the movable contact 243 is separated from the stationary contact 230, the magnetic attraction block 244 is in an attraction state with the second magnetic block 5, and when the movable contact 243 is in contact with the stationary contact 230, the magnetic attraction block 244 is in an attraction state with the first magnetic block 234. Taking the case of the switch mechanism 20 being applied to a socket as an example, when a plug is not inserted into the socket, the movable contact 2431 and the stationary contact 2300 are in a separated state, and the magnetic attraction block 244 is in an attraction state with the second magnetic block 5. Referring to Fig. 2, when the plug is inserted into the socket and inserted to the bottom, the movable contact 2431 and the stationary contact 2300 are in a contact state, and the magnetic attraction block 244 is in an attraction state with the first magnetic block 234.

[0170] The assembly position of the first magnetic block 234 and the second magnetic block 5 in the switch mechanism housing 25 can be referred to Fig. 10. The first switch mechanism housing 251 has a second magnetic block chamber 254, the second magnetic block chamber 254 has an opening facing the position of the magnetic attraction block 244, and the second magnetic block chamber 254 is open on the side perpendicular to the rotation axis of the swing block 242, that is, the opening plane is perpendicular to the rotation axis.

[0171] In this way, the second magnetic block 5 is pushed into and fixed in the second magnetic block chamber 254 through the opening of the second magnetic block chamber 254 along the assembly direction parallel to the rotation axis of the swing block 242, and the second magnetic block 5 is exposed through the opening of the second magnetic block chamber 254 to be able to be attracted by the magnetic attraction block 244.

[0172] It should be pointed out that after the first switch mechanism housing 251 and the second switch mechanism housing 252 are fixed, the second switch mechanism housing 252 can close the opening of the second magnetic block chamber 254, so that the second magnetic block chamber 254 becomes a chamber with a reserved opening. For example, as shown in Fig. 11, the second switch mechanism housing 252 has a combined chamber 255 matched with the second magnetic block chamber 254, and after the first switch mechanism housing 251 and the second switch mechanism housing 252 are fixed, the second magnetic block 5 is fixed in the space surrounded by the second magnetic block chamber 254 of the first switch mechanism housing 251 and the combined chamber 255 of the second switch mechanism housing 252.

[0173] Referring to Fig. 23, the contact assembly 23 has a support 231, the support 231 has a first magnetic block chamber 2314, the first magnetic block chamber 2314 has an opening facing the position of the magnetic attraction block 244, the first magnetic block 234 is fixed in the first magnetic block chamber 2314 and exposed through the opening of the first magnetic block chamber 2314 to be attracted by the magnetic attraction block 244, and the first magnetic block 234 is located between the first stationary contact 232 and the second stationary contact 233.

[0174] The switch mechanism 20 is pre-assembled with the swing assembly 24 and the contact assembly 23 respectively during assembly. The pre-assembled swing assembly 24 can then be assembled to the first shell wall 2511, for example, the swing block 242 is assembled to the first shell wall 2511 along the assembly direction parallel to the rotation axis of the swing block 242.

[0175] After the swing assembly 24 is assembled to the first shell wall 2511, the first elastic member 2412 is compressed between the driving arm 2422 of the swing block 242 and the inner wall of the switch mechanism shell 25, and then the driving block 2411 is assembled to the first shell wall 2511, for example, the connecting arm 24112 of the driving block 2411 extends into the first elastic member 2412 through the perforation 2420 of the driving arm 2422.

[0176] Then, the second magnetic block 5 can also be pushed into the second magnetic block chamber 254 of the first shell wall 2511 along the assembly direction parallel to the rotation axis of the swing block 242. The pre-assembled contact assembly 23 can then be pushed into the first shell wall 2511 along the assembly direction parallel to the rotation axis of the swing block 242. After the above assembly is completed, the second shell wall 2521 is assembled to the first shell wall 2511 along the assembly direction parallel to the rotation axis of the swing block 242, and the two are fixed together.

[0177] As can be seen, the assembly directions of most parts of the switch mechanism 20 are the same, all parallel to the rotation axis of the swing block 242, for example, the assembly direction of the swing block 242, the assembly direction of the second magnetic block 5 and the assembly direction of the support member 231 are consistent. This facilitates the assembly of a whole module, and also enables force control in the assembly direction of each part, preventing parts from jumping out during installation and reducing assembly efficiency, thereby improving the assembly efficiency of the switch mechanism 20.

[0178] The above is about the arrangement position of the second magnetic block 5 in the switch mechanism shell 25, and the arrangement position of the first magnetic block 234 in the switch mechanism shell 25 is introduced below.

[0179] Among them, since the static contact 2300 and the first magnetic block 234 are located on the positive swing trajectory of the swing block 242, the first magnetic block 234 can be assembled in the switch mechanism shell 25 through the support member 231 of the contact assembly 23.

[0180] Referring to FIG. 23, the support member 231 of the contact assembly 23 has a first magnetic block chamber 2314, the first magnetic block chamber 2314 has an opening facing the position of the magnetic attraction block 244, the first magnetic block 234 is fixed in the first magnetic block chamber 2314 and exposed through the opening of the first magnetic block chamber 2314 to be attracted by the magnetic attraction block 244, as shown in FIG. 23, the first magnetic block 234 is located between the two static contact pieces 230.

[0181] In one example, based on the principle that the magnetic force between the magnetic block and the magnetic attraction block is larger when adsorbed, and once separated, the magnetic force sharply decreases, referring to FIG. 2, when the movable contact 2431 is separated from the static contact 2300, due to the sharp decrease of the magnetic force between the magnetic attraction block 244 and the first magnetic block 234 in the support 231, the deformation of the first elastic member 2412 and the elastic patch 2433 fixed with the movable contact 243, and the combined action of the magnetic force between the magnetic attraction block 244 and the second magnetic block 5, the movable contact 2431 can be quickly separated from the static contact 2300, realizing the instantaneous breaking of the on-off module, so as to weaken the arc between the movable contact 2431 and the static contact 2300.

[0182] Even if the movable contact 2431 and the static contact 2300 produce an arc in the instantaneous breaking, the arc is elongated between the first magnetic block 234 and the magnetic attraction block 244 under the Lorentz magnetic force, so as to realize the purpose of changing the arc length to achieve fast arc extinction.

[0183] The assembly mode between the swing block 242, the movable contact 243 and the magnetic attraction block 244 is exemplarily described below.

[0184] In some examples, as shown in FIG. 13, the swing block 242 has a length direction distribution installation slot 24210, and one side of the installation slot 24210 is open. Wherein, the slot opening of the installation slot 24210 is located at the end of the swing block 242, which is the end away from the rotation center of the swing block 242, and the rotation center of the swing block 242 is also the swing point of the swing block 242, and the opening of the installation slot 24210 is located at the side of the swing block 242, which is the side connected with the end, such as the side perpendicular to the rotation axis of the swing block 242 or the side at a certain angle with the rotation axis of the swing block 242.

[0185] In this way, the movable contact 243 can be pushed into the installation slot 24210 through the opening of the installation slot 24210, and because the slot depth of the installation slot 24210 is smaller than the length of the movable contact 243, part of the movable contact 243 extends out of the installation slot 24210 through the slot opening of the installation slot 24210, so as to extend out of the swing block 242.

[0186] In some examples, as shown in FIG. 12, the magnetic attraction block 244 is fixed on the part of the movable contact 243 extending out of the swing block 242, and the first part of the magnetic attraction block 244 is located at the first side of the movable contact 243, and the second part of the magnetic attraction block 244 is located at the second side of the movable contact 243. Wherein, the first side and the second side of the movable contact 243 are opposite, for example, the first side of the movable contact 243 can be the side used to touch the contact assembly 23, and the second side is opposite to the first side.

[0187] In some examples, the magnetic attraction block 244 includes a first part and a second part. For example, the first part of the magnetic attraction block 244 is fixed on the first side of the movable contact 243, and the second part of the magnetic attraction block 244 is fixed on the second side of the movable contact 243.

[0188] In other examples, as shown in FIG. 14, the first part and the second part of the magnetic attraction block 244 are integrally formed. For example, as shown in FIG. 14, the magnetic attraction block 244 has a U-shaped groove 2441, which divides the magnetic attraction block 244 into the first part and the second part. In this case, the magnetic attraction block 244 is clamped on the part of the movable contact 243 that protrudes from the mounting groove 24210 of the swing block 242.

[0189] In some examples, as shown in FIG. 12, a part of the magnetic attraction block 244 protrudes into the mounting groove 24210 of the swing block 242. Since the part of the magnetic attraction block 244 that protrudes into the mounting groove 24210 can be relatively thick and is not limited by its function, as shown in FIG. 13, the mounting groove 24210 of the swing block 242 can be relatively wide, making it easy to process the swing block 242.

[0190] Moreover, as shown in FIG. 12, the swing assembly 24 is assembled into the mounting groove 24210 of the swing block 242 by the movable contact 243 and the magnetic attraction block 244 together, rather than first fixing the magnetic attraction block 244 with the movable contact 243, and then fixing the movable contact 243 with the swing block 242. On the one hand, this simplifies the assembly process, and on the other hand, it reduces the size requirements of the movable contact 243, the swing block 242, and the magnetic attraction block 244.

[0191] In some examples, as shown in FIG. 14, the magnetic attraction block 244 not only includes a U-shaped groove 2441 for clamping the movable contact 243, but also includes an extension arm 2442. The extension arm 2442 extends away from the groove bottom from the groove opening of the U-shaped groove 2441. In this way, not only a part of the movable contact 243 is fitted into the mounting groove 24210, but also the extension arm 2442 of the magnetic attraction block 244 is fitted into the mounting groove 24210.

[0192] In some examples, in order to fix the extension arm 2442 and the movable contact 243 in the mounting groove 24210, as shown in FIG. 14 and FIG. 12, the extension arm 2442 has a second limiting structure 24421, which can be a bent portion bent away from the side opposite to the U-shaped groove 2441. It can also be understood that the extension arm 2442 of the magnetic attraction block 244 is L-shaped.

[0193] In some examples, as shown in FIG. 13, the first slot wall of the mounting slot 24210 has a first limiting structure 24211. The first slot wall is the slot wall of the mounting slot 24210 adjacent to the opening of the mounting slot 24210. The first limiting structure 24211 can be a one-side open slot, the slot opening of the first limiting structure 24211 faces the slot inner space of the mounting slot 24210, and the opening of the first limiting structure 24211 is located at the same side of the swing block 242 as the opening of the mounting slot 24210.

[0194] As shown in FIG. 12, a part of the movable contact 243 and the extension arm 2442 of the magnetic block 244 can be interference fitted in the mounting slot 24210, and the second limiting structure 24421 of the extension arm 2442 is clamped in the first limiting structure 24211.

[0195] As shown in FIG. 12, since the movable contact 243 and the extension arm 2442 of the magnetic block 244 are both located in the mounting slot 24210, the width of the mounting slot 24210 can be relatively wide. Since the second limiting structure 24421 of the magnetic block 244 is clamped in the first limiting structure 24211, and the thickness of the second limiting structure 24421 can be relatively large, the slot width of the first limiting structure 24211 can also be relatively large. Therefore, both the slot width of the mounting slot 24210 and the slot width of the first limiting structure 24211 can be relatively large, making the swing block 242 easy to process and form.

[0196] Moreover, as shown in FIG. 12, since the movable contact 243 and the magnetic block 244 are interference fitted together into the mounting slot 24210 of the swing block 242, this assembly method only needs to satisfy that the sum of the thickness of the movable contact 243 and the thickness of the extension arm 2442 meets the interference requirement with the slot width of the mounting slot 24210, and the thickness of the second limiting structure 24421 of the extension arm 2442 meets the interference requirement with the slot width of the first limiting structure 24211, thereby reducing the thickness requirement of the movable contact 243 and the slot width requirement of the U-shaped slot 2441 of the magnetic block 244.

[0197] It should be noted that the first limiting structure 24211 and the second limiting structure 24421 can also be reversed, for example, the first limiting structure 24211 is a protruding structure, and the second limiting structure 24421 is a groove structure or an opening structure.

[0198] In some examples, since the extension arm 2442 of the movable contact 243 and the magnetic attraction block 244 is clamped in the mounting groove 24210 of the swing block 242, the end of the movable contact 243 inserted into the mounting groove 24210 can be inserted into the groove bottom of the mounting groove 24210. For example, as shown in FIG. 12, the first end of the movable contact 243 is inserted into the groove bottom of the mounting groove 24210, and the second end of the movable contact 243 is inserted into the slot of the mounting groove 24210. Among them, the first end of the movable contact 243 can be in contact with the groove bottom of the mounting groove 24210, or not. The more the movable contact 243 and the extension arm 2442 are inserted into the swing block 242, the more firmly the swing block 242, the movable contact 243 and the magnetic attraction block 244 are fixed.

[0199] In some examples, in order to make the movable contact 243 and the extension arm 2442 fit in the mounting groove 24210, accordingly, as shown in FIG. 13, the groove wall of the mounting groove 24210 in contact with the movable contact 243, and / or the groove wall of the mounting groove 24210 in contact with the extension arm 2442, can have a limiting rib 24212 protruding into the groove space, so as to clamp the movable contact 243 and the extension arm 2442 in the mounting groove 24210.

[0200] For example, as shown in FIG. 13 and referring to FIG. 12, the lower groove wall of the mounting groove 24210 in contact with the movable contact 243 has a plurality of limiting ribs 24212 arranged in sequence along the strip direction of the mounting groove 24210. For another example, the upper groove wall of the mounting groove 24210 in contact with the extension arm 2442 has a plurality of limiting ribs 24212 arranged in sequence along the strip direction of the mounting groove 24210.

[0201] In order to push the movable contact 243 and the extension arm 2442 into the mounting groove 24210, as shown in FIG. 13 and referring to FIG. 12, the opening of the mounting groove 24210 has a guide structure, and the limiting rib 24212 also has a guide structure, so as to facilitate the pushing of the movable contact 243 and the extension arm 2442 into the mounting groove 24210. Among them, the guide structure of the opening is that the opening is trumpet-shaped. The guide structure of the limiting rib 24212 is that the end of the limiting rib 24212 is a flat surface or an arc surface.

[0202] As shown in FIG. 12, since part of the movable contact 243 and the extension arm 2442 of the magnetic attraction block 244 are inserted into the mounting groove 24210 of the swing block 242, the slot of the mounting groove 24210 can be used as a forced separation structure to forcibly separate the movable contact from the stationary contact at the end of the slot of the mounting groove 24210 when the movable contact and the stationary contact are adhered.

[0203] In some examples, the U-shaped groove 2441 of the magnetic block 244 is clamped on the movable contact 243, so that in assembly, one end of the movable contact 243 extends into the U-shaped groove 2441 and extends to the bottom of the U-shaped groove 2441. In the process of swinging the movable contact 243 by the swing block 242, the movable contact 243 will exert a force on the magnetic block 244, and the stress is concentrated at the right-angled edge of the connection between the bottom of the U-shaped groove 2441 and the wall of the U-shaped groove 2441. After long-term use, it is easy to crack.

[0204] Therefore, as shown in FIG. 14, the bottom of the U-shaped groove 2441 and the wall of the U-shaped groove 2441 are connected by an arc-shaped recess 24412, and the arc-shaped recess 24412 is recessed away from the inner space of the U-shaped groove 2441. Moreover, the connection between the arc-shaped recess 24412 and the wall of the U-shaped groove 2441 is a smooth transition connection, and the connection between the arc-shaped recess 24412 and the bottom of the U-shaped groove 2441 is also a smooth transition connection.

[0205] In this way, as shown in FIG. 14, after the movable contact 243 extends to the bottom of the U-shaped groove 2441, there is a gap between the movable contact 243 and the arc-shaped recess 24412, so that the right-angled edge of the movable contact 243 does not exert a force on the magnetic block 244, and the force concentration does not occur at the connection between the wall and the bottom of the U-shaped groove 2441, thereby preventing the U-shaped groove 2441 from cracking.

[0206] Regarding the structural features of the swing block 242, as shown in FIG. 13, the swing block 242 includes a swing main body 2421 and a driving arm 2422. The swing main body 2421 is in a strip shape, has a rotating structure such as a rotating shaft or a rotating shaft hole at a first end as a swing point, and the driving arm 2422 is connected to one side of the swing main body 2421 and is close to the position of the swing point. The mounting groove 24210 is provided on the swing main body 2421. When the driving arm 2422 is subjected to a pushing force, the swing main body 2421 can be swung around the swing point.

[0207] In some examples, as shown in FIG. 13, in order to enable the swing main body 2421 to swing under a smaller force, the swing main body 2421 and the driving arm 2422 have a connecting rib 2423. One end of the connecting rib 2423 is connected to the driving arm 2422, and the other end is connected to the swing main body 2421. The connecting rib 2423 is connected to the swing main body 2421 as close as possible to the position of the end of the second end away from the swing point.

[0208] Referring to the principle diagrams of FIG. 15 and FIG. 16, FIG. 15 is a principle diagram of no connecting rib 2423 between the swing body 2421 and the driving arm 2422, when the driving arm 2422 is pushed by the force, a is the position of the force point, and a' is the equivalent force point on the swing body 2421. FIG. 16 is a principle diagram of the connecting rib 2423 between the swing body 2421 and the driving arm 2422, when the driving arm 2422 is pushed by the force, b is the force point, and b' is the equivalent force point on the swing body 2421. As shown in FIG. 15 and FIG. 16, it is obvious that a' is closer to the swing point O, and b' is farther from the swing point O. When the force is applied farther from the swing point, according to the principle of the lever, a smaller force can make the swing body 2421 swing, so it is easier to make the swing body 2421 swing.

[0209] In summary, when the force is applied to the driving arm 2422, the connecting rib 2423 can move the action point of the force to the second end of the swing body 2421, and the swing point is at the first end of the swing body 2421. Therefore, the distance between the swing point and the force point is increased, which makes the swing body 2421 more likely to swing, and a smaller force can drive the swing block 242 to swing.

[0210] In other examples, the swing block 242 is fixedly connected with the movable contact 243 and the magnetic block 244 through the injection molding process, that is, the swing block 242, the movable contact 243 and the magnetic block 244 cooperate to form an integrated injection molding structure, which is more conducive to the stable assembly of the movable contact 243 and the magnetic block 244 on the swing block 242, and effectively avoids the problem that the movable contact 243 and the magnetic block 244 shake relative to the swing block 242 after frequent use. The structure and function of the movable contact 243 and the magnetic block 244 can still refer to the scheme shown in FIG. 12, the difference is that the plug-in scheme in FIG. 12 is modified to the injection molding scheme of the swing block 242, the movable contact 243 and the magnetic block 244.

[0211] In still other examples, as shown in FIG. 17, the swing assembly 24 further includes a second elastic member 245, and the movable contact 243 and the magnetic block 244 are connected with the swing block 242 through the second elastic member 245.

[0212] In some examples, as shown in FIG. 18, the second elastic member 245 includes a rolled part 2451. The second elastic member 245 is specifically a metal sheet with relatively thin thickness. As shown in FIG. 18, the part close to the first end of the second elastic member 245 is in a rolled state, and forms the rolled part 2451. The rolled part 2451 in the rolled state can be rolled one turn, or can be rolled multiple turns, or can be rolled half a turn.

[0213] In some examples, the movable contact 243 includes a rolled portion 2451. That is, the rolled portion 2451 can be formed on the movable contact 243 or on a second elastic member 245 fixed with the movable contact 243.

[0214] No matter which component the rolled portion 2451 is formed on, in order to assemble the rolled portion 2451 into the swing block 242, accordingly, as shown in FIG. 19, the swing block 242 includes not only the mounting groove 24210, but also a cylindrical groove 24213, as described above, the opening of the mounting groove 24210 is located at the end of the swing block 242 away from the swing point. The cylindrical groove 24213 is located at the bottom of the mounting groove 24210 and communicates with the mounting groove 24210, and the opening of the cylindrical groove 24213 is located at the same side of the swing block 242 as the opening of the mounting groove 24210.

[0215] Then, as shown in FIG. 17, a portion of the second elastic member 245 close to the second end is fixed on the surface of the movable contact 243, another portion close to the first end extends into the mounting groove 24210 and the cylindrical groove 24213, and the rolled portion 2451 of the second elastic member 245 is interference-fitted in the cylindrical groove 24213. The first end and the second end of the second elastic member 245 are opposite ends in the length direction of the second elastic member 245.

[0216] As shown in FIG. 17, since the first end of the movable contact 243 extends into the mounting groove 24210, the width of the mounting groove 24210 cannot be too narrow, and the second elastic member 245 has the rolled portion 2451 in the rolled state, so the diameter of the cylindrical groove 24213 can be relatively large, so it is easier to open the mounting groove 24210 and the cylindrical groove 24213 on the swing block 242, and thus the swing block 242 is easy to process and form.

[0217] In some examples, as shown in FIG. 18, the second elastic member 245 has a convex 2452, wherein the top surface of the convex 2452 is a plane, and the side surface of the convex 2452 is a spherical surface. After the second elastic member 245 is assembled in the swing block 242, the convex 2452 is located in the mounting groove 24210 of the swing block 242, and since the convex 2452 has a certain height, as shown in FIG. 17, the width of the mounting groove 24210 is also relatively large, further making the swing block 242 easy to process and form.

[0218] It should be noted that the second elastic member 245 is used to store energy by elastic deformation when the movable contact and the fixed contact are separated, and to separate the movable contact and the fixed contact quickly. The specific role will be described below. In order to make the second elastic member 245 deform, the first end of the movable contact piece 243 away from the movable contact 2431 is located at the slot opening of the mounting groove 24210, the second end of the movable contact piece 243 extends out of the mounting groove 24210, and the sum of the thicknesses of the movable contact piece 243 and the second elastic member 245 is less than the groove width of the mounting groove 24210 at the slot opening, as shown in FIG. 17. In this way, there is a gap between the second elastic member 245 and the groove wall of the mounting groove 24210, and / or there is a gap between the movable contact piece 243 and the groove wall of the mounting groove 24210, which is reserved for the deformation of the second elastic member 245, wherein the first end and the second end of the movable contact piece 243 are opposite ends along the length direction of the movable contact piece 243.

[0219] For example, there is a gap between the second elastic member 245 and the groove wall, and in order to form the gap, the groove wall of the mounting groove 24210 facing the second elastic member 245 can have a limiting rib 24212. There can also be a gap between the movable contact piece 243 and the groove wall, and in order to form the gap, the groove wall of the mounting groove 24210 facing the movable contact piece 243 can have a limiting rib 24212.

[0220] As described above, the convex 2452 of the second elastic member 245 is interference-fitted in the mounting groove 24210, and then the opening of the mounting groove 24210 can have a guide structure, and the limiting rib 24212 abutting against the convex 2452 can also have a guide structure. In this way, under the action of the guide structure of the mounting groove 24210 and the guide structure of the limiting rib 24212, the convex of the second elastic member 245 is more easily fitted into the mounting groove 24210.

[0221] Similarly, in order to facilitate the interference-fitting of the rolled-up portion of the second elastic member 245 into the cylindrical groove 24213, the slot opening of the cylindrical groove 24213 also has a guide structure, as shown in FIG. 19.

[0222] In some examples, the fixed connection between the second elastic member 245 and the movable contact piece 243 can be realized by riveting at the movable contact 2431, and the second elastic member 245 is interference-fitted in the mounting groove 24210 and the cylindrical groove 24213 of the swing block 242, so that the second elastic member 245 and the movable contact piece 243 can be interference-fitted in the U-shaped groove 2441 of the magnetic block 244.

[0223] So, as shown in FIG. 17, the movable contact 243 has a fourth limiting structure 2432, which can be an opening through the thickness of the movable contact 243, or can be a groove that does not go through the thickness of the movable contact 243. As shown in FIG. 20 and with reference to FIG. 17, the groove wall of the U-shaped groove 2441 facing the movable contact 243 has a third limiting structure 24411, so that when the U-shaped groove 2441 is clamped between the movable contact 243 and the portion of the second elastic member 245 protruding from the mounting groove 24210, the third limiting structure 24411 and the fourth limiting structure 2432 cooperate with each other. The third limiting structure 24411 can be a protrusion protruding into the inner space of the U-shaped groove 2441.

[0224] It should be noted that the third limiting structure 24411 and the fourth limiting structure 2432 can also be reversed, for example, the third limiting structure 24411 is a groove structure, and the fourth limiting structure 2432 is a protrusion structure. The present embodiment does not limit this.

[0225] The assembly process of the movable contact 243, the second elastic member 245 and the magnetic attraction block 244 can refer to FIGS. 21-22. First, the movable contact 243 is inserted into the U-shaped groove 2441 of the magnetic attraction block 244, and after being inserted to the bottom, the fourth limiting structure 2432 of the movable contact 243 is positioned opposite the third limiting structure 24411 of the U-shaped groove 2441, and then the movable contact 243 is moved towards the groove wall of the U-shaped groove 2441 having the third limiting structure 24411. After moving to the bottom, as shown in FIG. 21, the fourth limiting structure 2432 of the movable contact 243 is engaged with the third limiting structure 24411 of the U-shaped groove 2441, at this time, the groove wall of the U-shaped groove 2441 not having the third limiting structure 24411 has a spacing with the movable contact 243, and the spacing is slightly larger than the thickness of the second elastic member 245. Then, as shown in FIG. 22 and with reference to FIG. 22, the second elastic member 245 is inserted into the U-shaped groove 2441, and after being inserted to the bottom, that is, after being inserted in place, the U-shaped groove 2441 of the magnetic attraction block 244 is clamped between the movable contact 243 and the second elastic member 245, but at this time it is not clamped by interference. Then, the movable contact 243 and the second elastic member 245 are fixed at the position of the movable contact point 2431 by riveting, for example, the movable contact 243 and the second elastic member 245 are riveted and fixed by the movable contact point 2431.

[0226] The second elastic member 245 is not clamped with the magnetic attraction block 244, but the second elastic member 245 and the movable contact 243 are fixed together through the movable contact 2431, so the second elastic member 245 will not be pulled out of the U-shaped groove 2441 of the magnetic attraction block 244. In this way, the movable contact 2431, the movable contact 243, the second elastic member 245 and the magnetic attraction block 244 are assembled together, and there is almost no interference assembly during the entire assembly process, the assembly process is simple and fast, and there is no interference, and the movable contact 243 and the second elastic member 245 do not need to be forcedly squeezed or pushed into the U-shaped groove 2441 of the magnetic attraction block 244.

[0227] After the movable contact 243, the movable contact 2431, the second elastic member 245 and the magnetic attraction block 244 are assembled, the rolled part 2451 of the second elastic member 245 is clamped in the swing block 242, and because the rolled part 2451 has good shrinkage elasticity, the rolled part 2451 is easily assembled into the cylindrical groove 24213 of the swing block 242 under the cooperation of the guide structure.

[0228] In some examples, as shown in FIG. 20, the groove bottom and the groove wall of the U-shaped groove 2441 of the magnetic attraction block 244 are also connected through the arc-shaped recess 24412, and the arc-shaped recess 24412 is recessed away from the inner space of the U-shaped groove 2441, and the connection between the arc-shaped recess 24412 and the groove wall of the U-shaped groove 2441 is a smooth transition connection, and the connection between the arc-shaped recess 24412 and the groove bottom of the U-shaped groove 2441 is also a smooth transition connection.

[0229] In the embodiments of the present application, the swing assembly can make a part of the magnetic attraction block extend into the mounting groove of the swing block, so that the groove width of the mounting groove can be relatively large, thereby making the swing block easy to be processed. The swing assembly can also make the rolled part of the movable contact extend into the swing block, so that the inner diameter of the cylindrical groove of the swing block can be relatively large, thereby making the swing block easy to be processed. Therefore, whether the part of the magnetic attraction block extends into the swing block or the rolled part of the movable contact extends into the swing block, the groove width of the groove of the swing block can be increased, thereby making the swing block easy to be processed.

[0230] During the contact between the two movable contacts 2431 and the first static contact 2321 and the second static contact 2331, due to the tolerances and errors in the design and manufacturing process of the socket, the two movable contacts 2431 will not contact the two static contacts at the same time. Generally, one movable contact 2431 will contact one static contact first, which will cause the other movable contact 2431 to fail to contact or to have a virtual contact with the other static contact, which may cause an arc to be generated between the movable contact 2431 and the static contact at all times, thereby causing a safety hazard.

[0231] In order to ensure that both of the moving contacts 2431 and both of the stationary contacts are in close contact, in some examples, as shown in FIG. 23, the contact assembly 23 further comprises a support 231 and a third elastic member 235. One end of one of the third elastic members 235 is connected to the support 231, and the other end is connected to the first stationary contact sheet 232. One end of the other third elastic member 235 is connected to the support 231, and the other end is connected to the second stationary contact sheet 233. As shown in FIG. 23, the third elastic member 235 and the third elastic member 235 can each be a spring.

[0232] In this way, assuming that one of the moving contacts 2431 first contacts the first stationary contact 2321, the third elastic member 235 will deform, so that the other moving contact 2431 can continue to swing towards the second stationary contact 2331 and contact it. Thus, both of the moving contacts 2431 and the stationary contacts can be in close contact.

[0233] In addition, the presence of the third elastic member 235 and the third elastic member 235 allows the impact force received by the first stationary contact sheet 232 when the moving contact 2431 contacts the first stationary contact 2321 and the second stationary contact 2331 to be transmitted to the third elastic member 235, and the impact force received by the second stationary contact sheet 233 to be transmitted to the third elastic member 235. Then, the third elastic member 235 and the third elastic member 235 will deform, thereby reducing the vibration of the first stationary contact sheet 232 and the second stationary contact sheet 233, reducing the bounce of the first stationary contact sheet 232, the second stationary contact sheet 233, and the moving contact sheet 243, and reducing the electric arc between the moving contact 2431 and the stationary contact.

[0234] Next, the assembly method of the third elastic member 235 and the support 231 is described by way of example. In some examples, as shown in FIG. 24, the third elastic member 235 comprises an extension portion 2351 and a first connecting portion 2352. The first connecting portion 2352 is connected to the extension portion 2351 and is bent towards the first side of the extension portion 2351, and the end of the first connecting portion 2352 points towards the extension portion 2351 or towards the body portion of the first connecting portion 2352, so that the first connecting portion 2352 is in a rolled-up state or forms a loop. The extension portion 2351 and the first connecting portion 2352 can be connected together by integral molding.

[0235] As shown in FIG. 24, the support 231 has a second connecting portion 2311. The second connecting portion 2311 can be a protruding structure on the support body 2310 of the support 231, which is in the shape of a column, and the profile shape of the second connecting portion 2311 is adapted to the shape enclosed by the first connecting portion 2352.

[0236] In this way, as shown in FIG. 24, the first connecting portion 2352 can be buckled on the second connecting portion 2311, such that the first connecting portion 2352 wraps all or most of the second connecting portion 2311.

[0237] In the process of fixing the third elastic member 235 on the support member 231, the first connecting portion 2352 is aligned with the second connecting portion 2311, and then the first connecting portion 2352 is pushed into the second connecting portion 2311 along the direction in which the second connecting portion 2311 protrudes relative to the support member body 2310, so that the first connecting portion 2352 wraps the second connecting portion 2311 and is buckled on the second connecting portion 2311.

[0238] In some examples, the area enclosed by the inner wall of the first connecting portion 2352 is slightly smaller than the area enclosed by the outer wall of the second connecting portion 2311. Since the first connecting portion 2352 has a certain elasticity, the first connecting portion 2352 can still be clamped outside the second connecting portion 2311 and firmly clamped outside the second connecting portion 2311.

[0239] It should be noted that in order to enable the first static contact piece 232 to swing, the third elastic member 235 needs to be suspended, as shown in FIG. 24, that is, the third elastic member 235 does not contact other components in front of and behind the swing track, so that the extension portion 2351 can swing with the first static contact piece 232. For example, as shown in FIG. 24, the first side of the extension portion 2351 opposite the first static contact piece 232 has a spacing with the support member 231, which provides a space for the swing of the extension portion 2351.

[0240] In some examples, as shown in FIG. 24, the second side of the extension portion 2351 opposite the first connecting portion 2352 is fixed on the first static contact piece 232. Since the first static contact piece 232 swings by virtue of the elasticity of the extension portion 2351, the extension portion 2351 and the first static contact piece 232 can be arranged at the same end of the first static contact piece 232. For example, the first static contact piece 232 is near the first end of the first static contact piece 232, and the extension portion 2351 is fixed near the first end of the first static contact piece 232. As shown in FIG. 24, the extension portion 2351 and the first static contact piece 232 are riveted by the first static contact piece 232, and the riveting is at a position near the first end of the first static contact piece 232.

[0241] In some examples, as shown in FIG. 25, the first connecting portion 2352 is formed by a plurality of flat pieces 23521 connected in sequence. For example, the first connecting portion 2352 includes three flat pieces 23521, the first flat piece is connected with the extension portion 2351 and is bent to one side of the extension portion 2351, the second flat piece is connected with the first flat piece and is bent to one side of the first flat piece, the third flat piece is connected with the second flat piece and is bent to one side of the second flat piece, and the end of the third flat piece points to the extension portion 2351.

[0242] In order not to interfere with the swing of the extension portion 2351, the end of the first connecting portion 2352, i.e., the end of the third flat piece, has a certain distance from the extension portion 2351.

[0243] Of course, in the scheme that the first connecting portion 2352 is formed by a plurality of flat pieces 23521 connected in sequence, the first connecting portion 2352 can also include more flat pieces 23521, for example, can include four flat pieces 23521, the fourth flat piece is connected with the third flat piece and is bent to one side of the third flat piece, and the end of the fourth flat piece, i.e., the end of the first connecting portion 2352, points to the body of the first connecting portion 2352, for example, the end of the fourth flat piece points to the first flat piece.

[0244] It should be pointed out that in the scheme that the first connecting portion 2352 includes a plurality of flat pieces, the second connecting portion 2311 can be a cylindrical polygon, for example, a cylindrical quadrilateral. The shape of the second connecting portion 2311 is related to the shape of the area surrounded by the first connecting portion 2352.

[0245] In other examples, as shown in FIG. 26, the first connecting portion 2352 can also be formed by a circular arc piece, the end of which can point to the extension portion 2351 or the body of the circular arc piece.

[0246] For example, referring to FIG. 26, the first connecting portion 2352 is an unclosed circular arc piece with a central angle greater than 180 degrees and less than 360 degrees, and the end of the first connecting portion 2352 points to the extension portion 2351. For another example, the first connecting portion 2352 can also be a closed circular arc piece, which is wound for multiple turns, and the end of the first connecting portion 2352 can point to any direction.

[0247] It should be pointed out that in the scheme that the first connecting portion 2352 is a circular arc piece, the second connecting portion 2311 is a cylinder, and the first connecting portion 2352 in the form of a circular arc piece is wound on the second connecting portion 2311 in the form of a cylinder.

[0248] In some examples, as shown in FIG. 27, the first connecting part 2352 can also include a flat piece 23521 and a circular arc piece 23522, for example, the first connecting part 2352 includes two flat pieces 23521 and one circular arc piece 23522, the first flat piece is connected with the strip-shaped part, the first flat piece bends to one side of the strip-shaped part, and is connected with the circular arc piece, the other end of the circular arc piece is connected with the second flat piece, and the end of the second flat piece points to the extension part 2351.

[0249] In some examples, as the moving contact point touches the first stationary contact piece 2321, the extension part 2351 swings with the first stationary contact piece 232, then, as shown in FIG. 24, the support part 231 also has a supporting part 2312 located on the side of the second connecting part 2311 close to the extension part 2351, and the extension part 2351 of the third elastic part 235 abuts against the supporting part 2312, wherein the supporting part 2312 serves as the swing fulcrum of the extension part 2351.

[0250] In some examples, in order to make the extension part 2351 more easily swing, as shown in FIG. 24, the extension part 2351 abuts against the supporting part 2312 at the position close to the first connecting part 2352, then, the supporting part 2312 can be a protruding part protruding from the second connecting part 2311 to the extension part 2351.

[0251] As shown in FIG. 24, the surface of the supporting part 2312 away from the second connecting part 2311 is an arc surface, after the third elastic part 235 and the support part 231 are assembled, referring to FIG. 24, the arc surface faces the extension part 2351, then, the extension part 2351 abuts against the arc surface of the supporting part 2312, which is more conducive to the swing movement of the extension part 2351.

[0252] Alternatively, in some examples, the position of the supporting part 2312 away from the second connecting part 2311 has a sharp edge, after the third elastic part 235 and the support part 231 are assembled, the sharp edge faces the extension part 2351, then, the extension part 2351 abuts against the sharp edge of the supporting part 2312.

[0253] In some examples, in order to make the first connecting part 2352 more smoothly clamped on the second connecting part 2311, as shown in FIG. 24, the second connecting part 2311 has a guide structure on the side in the assembly direction, wherein the assembly direction is also the direction in which the third elastic part 235 is assembled into the support part 231, and the assembly direction is consistent with the protruding direction of the second connecting part 2311 relative to the support part body 2310. In addition, the supporting part 2312 also has a guide structure on the side along the assembly direction.

[0254] In this way, in the process of installing the third elastic member 235 into the support member 231, first, the area surrounded by the first connecting portion 2352 and the extension portion 2351 is aligned with the second connecting portion 2311 and the support portion 2312, and then, under the guidance of the guide structure of the second connecting portion 2311 and the guide structure of the support portion 2312, the area surrounded by the first connecting portion 2352 and the extension portion 2351 can be smoothly sleeved outside the second connecting portion 2311 and the support portion 2312, and the third elastic member 235 is pushed to the bottom or to the position, and then the first connecting portion 2352 can be clamped on the second connecting portion 2311 of the support member 231.

[0255] In some examples, in order to make the assembler better judge whether the third elastic member 235 is installed in place, as shown in FIG. 28, the inner wall of the first connecting portion 2352 has a first positioning structure 23523, and the outer wall of the second connecting portion 2311 has a second positioning structure 23111, so that in the process of installing the third elastic member 235 into the support member 231, when the first positioning structure 23523 cooperates with the second positioning structure 23111, it indicates that the first connecting portion 2352 has been clamped on the second connecting portion 2311 and clamped in place.

[0256] This cooperation of the first positioning structure 23523 and the second positioning structure 23111 not only helps to judge whether the third elastic member 235 is assembled in place, but also helps to further limit and fix the first connecting portion 2352 on the second connecting portion 2311 of the support member 231.

[0257] In some examples, the first positioning structure 23523 can be a convex on the inner wall of the first connecting portion 2352, and the second positioning structure 23111 can be a groove on the surface of the second connecting portion 2311, when the convex is clamped into the groove, it indicates that the first positioning structure 23523 and the second positioning structure 23111 cooperate.

[0258] For the above arrangement of the magnetic attraction block 244 and the optional second elastic member 245, in combination with FIGS. 29 and 30, the principle of driving the swing block 242 to swing by the driving block 2411 is further exemplarily explained.

[0259] In the first state in FIG. 29, the plug 201 has not been inserted into the socket, so the moving contact piece 243 is separated from the first static contact piece 232 and the second static contact piece 233, and the circuit between the first wiring terminal 21 and the first plug sleeve 22 is disconnected. When the plug 201 begins to be inserted into the socket, as shown in the second state in FIG. 13, the driving block 2411 first compresses the first elastic member 2412 and separates the first elastic member 2412 from the driving arm 2422.

[0260] When the plug 201 is continuously inserted into the socket, the driving block 2411 pushes the driving arm 2422. In this process, the second elastic member 245 is deformed and the greater the deformation, the greater the elastic force accumulated. When the elastic force accumulated by the second elastic member 245 is sufficient to offset the magnetic attraction between the first magnetic block 234 and the magnetic block 244, the first magnetic block 234 and the magnetic block 244 are separated. When the magnetic block 244 and the first magnetic block 234 are separated, the magnetic attraction between the magnetic block 244 and the first magnetic block 234 rapidly decreases, and under the action of the elastic force accumulated by the second elastic member 245, the movable contact 2431 and the fixed contact are rapidly disconnected. When the magnetic block 244 swings to be closer to the second magnetic block 5 than the first magnetic block 234, under the action of the magnetic attraction of the second magnetic block 5, the movable contact 243 swings more rapidly to the second magnetic block 5 until the magnetic block 244 and the second magnetic block 5 are attracted as shown in the third state in FIG. 29.

[0261] When the plug 201 is continuously inserted into the socket, the driving block 2411 pushes the driving arm 2422. In this process, the second elastic member 245 is deformed and the greater the deformation, the greater the elastic force accumulated. When the elastic force accumulated by the second elastic member 245 is sufficient to offset the magnetic attraction between the first magnetic block 234 and the magnetic block 244, the first magnetic block 234 and the magnetic block 244 are separated. When the magnetic block 244 and the first magnetic block 234 are separated, the magnetic attraction between the magnetic block 244 and the first magnetic block 234 rapidly decreases, and under the action of the elastic force accumulated by the second elastic member 245, the movable contact 2431 and the fixed contact are rapidly disconnected. When the magnetic block 244 swings to be closer to the second magnetic block 5 than the first magnetic block 234, under the action of the magnetic attraction of the second magnetic block 5, the movable contact 243 swings more rapidly to the second magnetic block 5 until the magnetic block 244 and the second magnetic block 5 are attracted as shown in the third state in FIG. 29.

[0262] When the plug 201 is continuously inserted into the socket, the driving block 2411 pushes the driving arm 2422. In this process, the second elastic member 245 is deformed and the greater the deformation, the greater the elastic force accumulated. When the elastic force accumulated by the second elastic member 245 is sufficient to offset the magnetic attraction between the first magnetic block 234 and the magnetic block 244, the first magnetic block 234 and the magnetic block 244 are separated. When the magnetic block 244 and the first magnetic block 234 are separated, the magnetic attraction between the magnetic block 244 and the first magnetic block 234 rapidly decreases, and under the action of the elastic force accumulated by the second elastic member 245, the movable contact 2431 and the fixed contact are rapidly disconnected. When the magnetic block 244 swings to be closer to the second magnetic block 5 than the first magnetic block 234, under the action of the magnetic attraction of the second magnetic block 5, the movable contact 243 swings more rapidly to the second magnetic block 5 until the magnetic block 244 and the second magnetic block 5 are attracted as shown in the third state in FIG. 29.

[0263] When the latch 201 is continuously pulled out, the first elastic member 2412 pushes the driving block 2411 and the swing block 242 to move together. In this process, the second elastic member 245 is deformed to generate a bending deformation, and the greater the deformation of the second elastic member 245, the greater the elastic force accumulated by the second elastic member 245. When the elastic force accumulated by the second elastic member 245 is sufficient to offset the magnetic attraction force between the second magnetic block 5 and the magnetic attraction block 244, the second magnetic block 5 and the magnetic attraction block 244 are separated. When the magnetic attraction block 244 and the second magnetic block 5 are separated, the magnetic attraction force between the magnetic attraction block 244 and the second magnetic block 5 rapidly decreases, and under the action of the elastic force accumulated by the second elastic member 245, the movable contact 2431 rapidly moves towards the static contact. And when the magnetic attraction block 244 swings to be closer to the first magnetic block 234 than the second magnetic block 5, under the action of the magnetic attraction force of the first magnetic block 234, the movable contact 243 rapidly swings towards the first magnetic block 234 until the magnetic attraction block 244 is attracted to the first magnetic block 234, and the movable contact 2431 is in contact with the static contact as shown in the fourth state of FIG. 30.

[0264] When the swing block 242 is driven by the second elastic member 245, the second magnetic block 5 and the magnetic attraction block 244 are separated when the driving force of the second elastic member 245 on the swing block 242 is greater than the magnetic attraction force between the second magnetic block 5 and the magnetic attraction block 244. When the magnetic attraction block 244 and the second magnetic block 5 are separated, the magnetic attraction force between the magnetic attraction block 244 and the second magnetic block 5 rapidly decreases, and the movable contact 2431 rapidly swings towards the static contact. When the magnetic attraction block 244 swings to be closer to the first magnetic block 234 than the second magnetic block 5, under the action of the magnetic attraction force of the first magnetic block 234, the movable contact 243 rapidly swings towards the first magnetic block 234 until the magnetic attraction block 244 is attracted to the first magnetic block 234 as shown in the fourth state of FIG. 30.

[0265] The technical scheme provided by the embodiment of the application can drive the driving block 2411 to move from the first position to the second position, and drive the swing block 242 to swing the movable contact 243 to be in contact with the static contact. When the driving block 2411 is in the first position as shown in the first state of FIG. 29 and the fourth state of FIG. 30, the driving block 2411 is separated from the swing block 242 and the first elastic member 2412 abuts against the swing block 242. When the driving block 2411 is in the second position as shown in the third state of FIG. 29 and the first state of FIG. 30, the driving block 2411 abuts against the swing block 242 and the first elastic member 2412 is separated from the swing block 242.

[0266] The assembly mode between the contact assembly 23 and the switch mechanism housing 25 is exemplarily described below. As shown in FIG. 31, the contact assembly 23 further includes two outlet structures 26, the switch mechanism housing 25 has two outlet holes, the support 231 is fixed in the switch mechanism housing 25, and the two outlet structures 26 respectively extend out of the switch mechanism housing 25 through the two outlet holes; one of the two outlet structures 26 is electrically connected with the first socket 22 of the socket, and the other outlet structure 26 is electrically connected with the first terminal 21 of the socket.

[0267] For example, as shown in FIG. 10, the first switch mechanism housing 251 has an outlet hole, which is referred to as a first outlet hole 2510, the second switch mechanism housing 252 has an outlet hole, which is referred to as a second outlet hole 2520, and further referring to FIG. 36, one outlet structure 26, i.e., a first braided copper wire 261, extends out of the switch mechanism housing 25 through the first outlet hole 2510, and the other outlet structure 26, i.e., a second braided copper wire 262, extends out of the switch mechanism housing 25 through the second outlet hole 2520. Referring to FIG. 35, one of the first braided copper wire 261 and the second braided copper wire 262 is connected with the first socket 22, and the other is connected with the first terminal 21.

[0268] In some examples, as shown in FIG. 31, the inner wall of the fixed frame 11 has a rib plate 111. The rib plate 111 is used to limit the respective terminals, the respective sockets, and the switch mechanism 20.

[0269] In some examples, as shown in FIG. 31, the rib plate 111 has a first opening 1111 at a portion opposite to the first outlet hole 2510, and the first braided copper wire 261 passes through the first opening 1111. In this way, on the one hand, the first braided copper wire 261 is not squeezed by the rib plate 111, so that the first braided copper wire 261 is in a natural state without force, and the influence of the first braided copper wire 261 on the elastic deformation of the first static contact piece 232 or the third elastic member 235 is small. On the other hand, the rib plate 111 does not close the first outlet hole 2510, so that the inside of the switch mechanism housing 25 has good connectivity with the outside, which is conducive to the heat dissipation of the internal devices of the switch mechanism 20.

[0270] In some examples, as shown in FIG. 23, the first braided copper wire 261 is connected with one end of the first static contact piece 232, and the other end of the first static contact piece 232 has a first static contact point 2321. In this way, the influence of the first braided copper wire 261 on the elastic deformation of the first static contact piece 232 or the third elastic member 235 can be reduced.

[0271] In some examples, as shown in FIG. 31, the web plate 111 has a second opening 1112 at a portion opposite to the second wire outlet hole 2520, and the second braided copper wire 262 passes through the second opening 1112. In this way, on the one hand, the second braided copper wire 262 is not squeezed by the web plate 111, so that the second braided copper wire 262 is in a natural stress-free state, and the second braided copper wire 262 has less influence on the elastic deformation of the second static contact 233 or the third elastic member 235. On the other hand, the web plate 111 does not close the second wire outlet hole 2520, so that the inside of the switch mechanism housing 25 has better connectivity with the outside, which is conducive to heat dissipation of the internal components of the switch mechanism 20.

[0272] In some examples, as shown in FIG. 23, the second braided copper wire 262 is connected to one end of the second static contact 233, and the other end of the second static contact 233 has a second static contact point 2331. In this way, the influence of the second braided copper wire 262 on the elastic deformation of the second static contact 233 or the third elastic member 235 can be reduced.

[0273] Considering that the support member 231 of the contact assembly 23 is assembled on the first switch mechanism housing 251 along an assembly direction parallel to the rotation axis of the swing block 242, and the wire outlet structure 26 needs to protrude out of the wire outlet hole, as shown in FIGS. 10 and 11, the center lines of the first wire outlet hole 2510 and the second wire outlet hole 2520 are parallel to the rotation axis of the swing block 242, and are oppositely distributed, that is, the center line of the first wire outlet hole 2510 on the first switch mechanism housing 251 is parallel to the rotation axis of the swing block 242, and the center line of the second wire outlet hole 2520 on the second switch mechanism housing 252 is parallel to the rotation axis of the swing block 242.

[0274] Since the moving contact 2431 and the static contact 2300 will generate a pull arc in the instantaneous breaking, the temperature inside the switch mechanism housing 25 is relatively high, and therefore, in order to dissipate heat, as shown in FIGS. 10 and 11, the sizes of the first wire outlet hole 2510 of the first switch mechanism housing 251 and the second wire outlet hole 2520 of the second switch mechanism housing 252 can be relatively large, which is conducive to heat dissipation of the on-off module. Further, the first wire outlet hole 2510 of the first switch mechanism housing 251 and the second wire outlet hole 2520 of the second switch mechanism housing 252 are oppositely positioned, that is, the center lines of the first wire outlet hole 2510 and the second wire outlet hole 2520 are collinear, so as to achieve the opposite positioning, so that convection can be formed, which is further conducive to heat dissipation of the on-off module.

[0275] In addition, compared with the scheme that the contact assembly 23 comprises one static contact 2300, the movable contact 2431 and the static contact 2300 are connected to the plug sleeve and the terminal line of the same polarity, in the embodiment of the application, the contact assembly 23 comprises two static contacts 2300, and the two static contacts 2300 are connected to the plug sleeve and the terminal line of the same polarity, which does not interfere with the swinging movement of the swinging block 242 in which the movable contact 2431 is located.

[0276] As described above, the two movable contacts 2431 are symmetrically distributed about the center line of the swinging body 2421, so that the forces on the two sides are balanced, and the influence of the increase in the breaking speed difference between the two sides caused by the unbalanced force is prevented. Then, referring to FIG. 10, the two static contacts 2300 are also symmetrically distributed about the center line of the support 231, so that the forces on the two sides are balanced, and the influence of the increase in the breaking speed difference between the two sides caused by the unbalanced force is prevented.

[0277] In an example, in the contact between the movable contact 2431 and the static contact 2300, in order to avoid the situation that one movable contact 2431 contacts one static contact 2300, while the other movable contact 2431 does not contact the other static contact 2300, the corresponding first static contact 232 and the second static contact 233 are flexibly assembled on the support 231, so that the static contact 2300 can swing when the movable contact 2431 collides with the static contact 2300.

[0278] The flexible assembly of the static contact 230 on the support 231 not only enables both movable contacts 2431 to contact the respective corresponding static contacts 2300, but also absorbs the tolerances and errors caused in the design and manufacturing process.

[0279] In an example, the implementation mode of the flexible assembly of the static contact 230 on the support 231 can be that the thickness of the static contact 230 is relatively thin, and the flexible assembly is realized by the elasticity of the static contact 230 itself. Another mode can be that, referring to FIG. 23, the first static contact 232 and the second static contact 233 are both assembled on the support 231 through the third elastic member 235, the third elastic member 235 is located on the surface of the static contact 230 opposite to the static contact 2300, the third elastic member 235, the static contact 230 and the static contact 2300 are fixedly connected through the rivet, and the other end of the third elastic member 235 is buckled on the second connecting portion 2311 of the support 231.

[0280] Referring to FIG. 24, the third elastic member 235 is assembled to the second connecting portion 2311 of the support member 231 along an assembly direction parallel to the rotation axis of the swing block 242. This assembly mode of the third elastic member 235, which is buckled on the second connecting portion 2311 of the support member 231 by rolling, can avoid the rebound of the third elastic member 235 during assembly, thereby improving the assembly efficiency.

[0281] It should be noted that, in order to enable the third elastic member 235 to deform and enable the contact piece 230 to be flexibly assembled on the support member 231, there is a spacing h between the third elastic member 235 and the surface of the support member 231, which is used for the deformation of the third elastic member 235. Since the contact piece 230 is flexibly assembled on the support member 231, in order to avoid the interference of the wire structure 26 with the swing of the contact piece 230, the wire structure 26 has flexibility, which can be a wire, specifically a braided copper wire, and can also be a flexible soft plate.

[0282] In an example, regarding the assembly mode of the support member 231 in the switch mechanism housing 25, for example, the support member 231 is assembled into the switch mechanism housing 25 along an assembly direction parallel to the rotation axis of the swing block 242, referring to FIG. 10, the first switch mechanism housing 251 has a first positioning structure d, and the first side of the support member 231 has a second positioning structure e, wherein the center lines of the first positioning structure d and the second positioning structure e are both parallel to the rotation axis of the swing block 242, and the support member 231 is assembled on the first switch mechanism housing 251 through the cooperation of the first positioning structure d and the second positioning structure e.

[0283] As shown in FIGS. 10 and 11, the first positioning structure d can be a positioning shaft, i.e., the limiting column 253 shown in FIG. 9, and the second positioning structure e can be a positioning hole or a positioning groove, i.e., the limiting hole 2313 shown in FIG. 9. Alternatively, the first positioning structure d is a positioning hole or a positioning groove, and the second positioning structure e is a positioning shaft.

[0284] As an example, only the first positioning structure d can be arranged on the first switch mechanism housing 251, and the number of the first positioning structure d can be one or more, and only the second positioning structure e can be arranged on the first side of the support member 231. In this way, the support member 231 can be pushed into the first switch mechanism housing 251 along the assembly direction parallel to the rotation axis of the swing block 242, so that the second positioning structure e on the first side of the support member 231 is positioned and cooperated with the first positioning structure d on the first switch mechanism housing 251.

[0285] As another example, the first positioning structure d described above can also be arranged on both the first switch mechanism housing 251 and the second switch mechanism housing 252, and the second positioning structure e is arranged on the first side of the support 231, and the second positioning structure e is also arranged on the second side opposite to the first side.

[0286] In this way, after the support 231 is pushed into the first switch mechanism housing 251 along the assembly direction parallel to the rotation axis of the swing block 242, and the second switch mechanism housing 252 is fixed on the first switch mechanism housing 251, the second positioning structure e on the first side of the support 231 cooperates with the first positioning structure d of the first switch mechanism housing 251, and the second positioning structure e on the second side of the support 231 cooperates with the first positioning structure d of the second switch mechanism housing 252, so as to position and fix the support 231 in the switch mechanism housing 25.

[0287] It can be seen that, in the assembly of the support 231 of the contact assembly 23, the assembly direction is consistent with the assembly direction of the swing block 242, and both are assembled into the first switch mechanism housing 251 along the assembly direction parallel to the rotation axis of the swing block 242, which is beneficial to improve the assembly efficiency of the on-off module.

[0288] In the embodiment of the application, the second end of the swing main body 2421 is rotatably assembled in the switch mechanism housing 25. Referring to FIG. 10, the first switch mechanism housing 251 and the second switch mechanism housing 252 each have a first rotation structure a, and the first side and the second side opposite to the first side of the swing block 242 each have a second rotation structure b. The first side of the swing block 242 is assembled in the first switch mechanism housing 251 through cooperation of the first rotation structure a and the second rotation structure b, and the second side of the swing block 242 is assembled in the second switch mechanism housing 252 through cooperation of the first rotation structure a and the second rotation structure b.

[0289] Referring to FIG. 10, the first rotation structure a can be a rotation shaft hole or a rotation shaft slot, and the second rotation structure b can be a rotation shaft. Alternatively, the first rotation structure a is a rotation shaft, and the second rotation structure b is a rotation shaft hole or a rotation shaft slot.

[0290] In this embodiment, the specific structures of the first rotation structure a and the second rotation structure b are not limited, as long as the swing block 242 can be rotatably assembled in the switch mechanism housing 25.

[0291] In this way, the swing main body 2421 of the swing block 242 can swing around the second end as a swing point, and then the movable contact 2431 will also swing with the swing main body 2421.

[0292] In an example, in order to reduce the swing resistance of the swing block 242, the swing block 242 can be suspendedly assembled in the switch mechanism housing 25, and the implementation can be as follows:

[0293] In an implementation, the first switch mechanism housing 251 and the second switch mechanism housing 252 each have a convex c. As shown in FIG. 10, the inner wall of the first switch mechanism housing 251 facing the second switch mechanism housing 252 has the convex c. As shown in FIG. 11, the inner wall of the second switch mechanism housing 252 facing the first switch mechanism housing 251 also has the convex c.

[0294] Continuing to refer to FIG. 10, the first rotation structure a of the first switch mechanism housing 251 is arranged on the convex c, for example, the first rotation structure a is a rotation shaft hole arranged on the convex c. Similarly, referring to FIG. 11, the first rotation structure a of the second switch mechanism housing 252 is arranged on the convex c, for example, the first rotation structure a is a rotation shaft hole arranged on the convex c.

[0295] In an implementation, the first side of the swing block 242 has a convex, the second side of the swing block 242 has a convex, the second rotation structure b of the first side of the swing block 242 is arranged on the convex, and the second rotation structure b of the second side of the swing block 242 is arranged on the convex.

[0296] In an implementation, the first switch mechanism housing 251 has a convex, the first rotation structure a of the first switch mechanism housing 251 is arranged on the convex, the second switch mechanism housing 252 has a convex, the first rotation structure a of the second switch mechanism housing 252 is arranged on the convex, the first side of the swing block 242 has a convex, the second side of the swing block 242 has a convex, the second rotation structure b of the first side of the swing block 242 is arranged on the convex, and the second rotation structure b of the second side of the swing block 242 is arranged on the convex.

[0297] Because the first rotation structure a of the switch mechanism housing 25 is arranged on the convex which protrudes relative to the inner wall of the switch mechanism housing 25, and / or the second rotation structure b of the swing block 242 is arranged on the convex which protrudes relative to the outer surface of the swing block 242, after the swing block 242 is rotatably assembled in the switch mechanism housing 25, there is a gap between the first side of the swing body 2421 and the inner wall of the first switch mechanism housing 251, and there is a gap between the second side of the swing body 2421 and the inner wall of the second switch mechanism housing 252, so that the swing block 242 is suspendedly assembled in the switch mechanism housing 25 through the rotation shaft. Then, the friction between the swing block 242 and the inner wall of the switch mechanism housing 25 during the swing can be reduced, thereby facilitating the rapid swing of the swing block 242.

[0298] In combination with any of the above-mentioned switch mechanisms 20, in some examples, the switch mechanism 20 can further comprise a stroke amplification structure not shown in the structure diagram, which abuts or is connected to the driving block 2411 and is capable of driving the driving block 2411 to amplify the movement stroke of the driving block 2411 under the driving of the plug pin 201.

[0299] The stroke amplification structure can adopt a currently known structure, such as a lever structure, etc. By arranging the stroke amplification structure at the front end of the driving block 2411, the plug pin 201 directly drives the stroke amplification structure when driven, and then the stroke amplification structure transmits the driving force to the driving block 2411, which can achieve the purpose of amplifying the movement stroke of the driving block 2411, or can be understood as reducing the driving stroke of the plug pin 201. For example, when the movement stroke of the driving block 2411 is determined, the switch mechanism provided with the stroke amplification structure has a smaller driving stroke of the plug pin 201 and a higher driving sensitivity than the switch mechanism without the stroke amplification structure.

[0300] In combination with any of the above-mentioned switch mechanisms, the application further provides a socket, as shown in FIGS. 32-34, which comprises a socket shell 1, a first conductive assembly 2 and a second conductive assembly 3 arranged inside the socket shell 1. The first conductive assembly 2 comprises a first wiring terminal 21, a first plug sleeve 22 and any of the above-mentioned switch mechanisms. The second conductive assembly 3 comprises a second wiring terminal 31 and a second plug sleeve 32, and the second wiring terminal 31 is electrically connected to the second plug sleeve 32. The switch mechanism is located between the first plug sleeve 22 and the first wiring terminal 21, and the driving block 2411 of the switch mechanism can be driven by the plug pin 201 to control the on-off between the first plug sleeve 22 and the first wiring terminal 21.

[0301] The socket provided by the application has all the advantages of any of the above-mentioned switch mechanisms. The socket provided by the application can be a wall socket or a mobile socket, and can be a DC socket or an AC socket, and can be a two-hole socket or a three-hole socket. The application does not limit the type of socket.

[0302] The following takes a three-hole DC wall socket as an example to exemplarily describe the structure and function of the switch mechanism. As shown in FIGS. 32-34, the socket comprises a socket shell 1 and a first conductive assembly 2, a second conductive assembly 3, a ground pole conductive assembly 4 and a protection door 6 arranged inside the socket shell 1. As shown in FIG. 34, the socket shell 1 comprises a fixing frame 11, a pressing plate 12, a face cover 13 and a face plate 14, and the face plate 14 and the face cover 13 are provided with a ground pole insertion hole 141, a positive pole insertion hole 142 and a negative pole insertion hole 143.

[0303] The first conductive assembly 2, the second conductive assembly 3 and the ground conductive assembly 4 are referred to as an electrical connection module, the electrical connection module is assembled in the fixed frame 11, the pressing plate 12 is located at the top end of the fixed frame 11 and covers the electrical connection module, the protection door assembly is assembled in the pressing plate 12, the face cover 13 is assembled on the pressing plate 12 and covers the protection door 6, and the face plate 14 is buckled on the fixed frame 11 and covers the face cover 13.

[0304] Further as shown in FIG. 35, the first conductive assembly 2 includes the electrically connected first terminal 21 and the first socket 22, the second conductive assembly 3 includes the electrically connected second terminal 31 and the second socket 32, one of the first terminal 21 and the second terminal 31 is connected with the live wire in the wall, and the other is connected with the neutral wire in the wall.

[0305] When the socket is a direct current socket, one of the first conductive assembly 2 and the second conductive assembly 3 is a positive conductive assembly, and the other is a negative conductive assembly. For example, the first conductive assembly 2 is a positive conductive assembly, the first socket 22 is a positive socket and is opposite to the positive socket hole 142 formed on the face plate 14 of the socket shell 1. The second conductive assembly 3 is a negative conductive assembly, the second socket 32 is a negative socket and is opposite to the negative socket hole 143 formed on the face plate 14 of the socket shell 1.

[0306] When the socket is an alternating current socket, one of the first conductive assembly 2 and the second conductive assembly 3 is an L conductive assembly, and the other is an N conductive assembly.

[0307] In some examples, as shown in FIGS. 32-34, the socket further includes a ground conductive assembly 4, the ground conductive assembly 4 includes a ground terminal 41 and a ground socket 42, the ground terminal 41 is electrically connected with the ground socket 42. The ground socket 42 is opposite to the ground socket hole 141 formed on the face plate 14.

[0308] In some examples, as shown in FIGS. 36 and 37, the movable contact 243 includes two movable contact points 2431. The first fixed contact 232 includes a first fixed contact point 2321, and the second fixed contact 233 includes a second fixed contact point 2331. The two movable contact points 2431 are respectively used to contact or separate from the first fixed contact point 2321 and the second fixed contact point 2331. Among them, the materials of the movable contact 243, the first fixed contact 232 and the second fixed contact 233 are generally copper, so they are also called copper sheets.

[0309] In some examples, the first static contact point 2321 is a convex bump on the surface of the first static contact sheet 232, the surface of the convex bump serving as the contact surface of the first static contact sheet 232, and the surface of the convex bump can be silver-plated. In other examples, the first static contact point 2321 and the first static contact sheet 232 are two independent components and are fixed together. For example, the first static contact point 2321 is fixed to the first static contact sheet 232 in a riveting manner. The relationship between the second static contact point 2331 and the second static contact sheet 233 is the same as that between the first static contact point 2321 and the first static contact sheet 232, which will not be described here again.

[0310] In some examples, the movable contact point 2431 is a convex bump on the surface of the movable contact sheet 243, the surface of the convex bump serving as the contact surface of the movable contact sheet 243, and the surface of the convex bump can be silver-plated. In other examples, the movable contact point 2431 and the movable contact sheet 243 are two independent components and are fixed together. For example, the movable contact point 2431 is fixed to the movable contact sheet 243 in a riveting manner.

[0311] The embodiments of the present application do not limit the swing direction of the movable contact sheet 243. In some examples, as shown in FIGS. 38 and 39, the movable contact sheet 243 swings towards or away from the panel 14 of the socket housing 1. For example, when the plug 201 is inserted, the movable contact sheet 243 swings away from the panel 14. When the plug 201 is pulled out, the movable contact sheet 243 swings towards the panel 14. After the socket is installed on the wall, as shown in FIGS. 38 and 39, the movable contact sheet 243 swings in the horizontal direction or the front-back direction, which is also referred to as the near-horizontal direction and the near-front-back direction.

[0312] In this way, on the one hand, compared with the technical solution in which the movable contact sheet 243 swings in the up-down direction of the socket, the movable contact sheet 243 swings in the horizontal direction and is less affected by gravity. For example, if the movable contact sheet 243 swings in the up-down direction of the socket, when the movable contact sheet 243 swings upwards, the gravity of the movable contact sheet 243 reduces the swing speed of the movable contact sheet 243. When the movable contact sheet 243 swings downwards, the gravity of the movable contact sheet 243 increases the swing speed of the movable contact sheet 243, which causes the performance deviation of the movable contact sheet 243 when it swings upwards and downwards, and reduces the reliability. In the technical solution provided by the embodiments of the present application, the performance deviation of the movable contact sheet 243 when it swings forwards and backwards is not large.

[0313] On the other hand, since the movable contact 243 swings in the horizontal direction of the socket, the movable contact 243 extends in the up-down direction of the socket, and the socket housing 1 of the socket is larger in size in the up-down direction than in the horizontal direction. Therefore, the movable contact 243 can be longer, or it can be understood that the distance from the movable contact point 2431 to the center of rotation of the movable contact 243 is longer. The longer this distance is, the smaller the angle of rotation of the movable contact 243 required to swing the movable contact point 2431 by the same stroke. In this way, the movable contact 243 only needs to swing by a smaller angle to achieve contact and separation of the movable contact point 2431 and the stationary contact point, improving the contact speed and breaking speed of the movable contact point 2431 and the stationary contact point. Moreover, it is not necessary to increase the size of the socket in the front-back direction, which is more conducive to the socket being installed into the bottom box on the wall.

[0314] In some examples, as shown in FIGS. 38 and 39, when the two movable contact points 2431 are in contact with the first stationary contact piece 232 and the second stationary contact piece 233 respectively, the distance between the movable contact point 2431 and the panel 14 is a first distance. When the two movable contact points 2431 are separated from the first stationary contact piece 232 and the second stationary contact piece 233 respectively, the distance between the movable contact point 2431 and the panel 14 is a second distance, and the first distance is different from the second distance.

[0315] In some examples, as shown in FIGS. 38 and 39, during the swinging of the movable contact 243, the maximum included angle A between the movable contact 243 and the outer surface of the panel 14 of the socket housing 1 is less than 45°. Further, in some examples, the maximum included angle A is less than 30°.

[0316] In some examples, as shown in FIGS. 38 and 39, the swinging assembly 24 further includes a swinging block 242, the swinging block 242 is rotationally connected with the socket housing 1, and the movable contact 243 is fixedly connected with the swinging block 242. The driving block 2411 is configured to drive the movable contact 243 to swing towards or away from the panel 14 through the swinging block 242. Wherein, the swinging direction of the swinging block 242 is also towards or away from the panel 14. The material of the swinging block 242 is an insulating material, such as plastic.

[0317] In some examples, as shown in FIG. 40, the swinging block 242 includes a swinging body 2421 and a driving arm 2422. The first end of the swinging body 2421 is rotationally connected with the socket housing 1, and the driving arm 2422 is located between the swinging body 2421 and the panel 14, and is close to the first end of the swinging body 2421. The movable contact point 2431 of the movable contact 243 is close to the second end of the swinging body 2421.

[0318] In some examples, as shown in the upper part of FIG. 40, the movable contact 243 has a state parallel to the faceplate 14 of the socket housing 1 during the swinging of the movable contact 243. For example, as shown in the upper part of FIG. 40, when the movable contact 243 is in contact with the first fixed contact 232 and the second fixed contact 233, the movable contact 243 is parallel to the faceplate 14. In this way, the movable contact 243 is less affected by gravity when swinging in the horizontal direction, so that the performance deviation of the forward swinging and the backward swinging of the movable contact 243 is small. However, this can cause a waste of space in the area framed by the dotted circle in FIG. 40.

[0319] In other examples, the swinging block 242 is arranged in the posture shown in the lower part of FIG. 40, i.e., the swinging block 242 is arranged obliquely, and the second end of the swinging block 242 is closer to the faceplate 14 than the first end. In this way, the utilization of the space inside the socket housing 1 can be improved, and there is no waste of the area framed by the dotted circle, and the size of the socket in the front-rear direction is reduced. For example, as shown in FIG. 40, the right dotted line shows the edge of the socket housing 1 of the socket, and it is obvious that the posture in the upper part of FIG. 40 requires a larger size of the socket housing 1 in the front-rear direction.

[0320] In some examples, as shown in FIG. 40, the included angle between the swinging body 2421 and the driving arm 2422 is less than 90°. In some examples, the included angle between the driving arm 2422 and the swinging body 2421 is greater than or equal to 30°.

[0321] In some examples, as shown in FIG. 40, the contact assembly 23 is located on the side of the movable contact 243 away from the faceplate 14, so that the corner space on the side of the movable contact 243 away from the faceplate 14 is fully utilized.

[0322] In some examples, as shown in FIG. 38 and FIG. 39, during the swinging of the movable contact 243, the minimum included angle B between the movable contact 243 and the outer surface of the faceplate 14 is greater than 6°. Further, in some examples, the minimum included angle B is greater than 10°.

[0323] In some examples, as shown in FIG. 38 and FIG. 39, the first fixed contact 232 and the second fixed contact 233 are arranged obliquely, and the oblique direction is consistent with the oblique direction of the swinging body 2421. In this way, it is beneficial to improve the tightness of the contact between the fixed contact and the movable contact.

[0324] In some examples, as shown in FIG. 39, the oblique angle D of the first fixed contact 232 and the second fixed contact 233 is the same as the minimum included angle B. In this way, when the movable contact 2431 is in contact with the fixed contact, the contact surface of the movable contact 2431 is approximately parallel to the contact surface of the fixed contact, and the contact area is large.

[0325] In addition, since the swing block 242 extends in the up-down direction of the socket housing 1, the length of the swing block 242 can be lengthened. In some examples, as shown in FIGS. 38 and 39, the distance L between the rotation axis of the swing block 242 and the movable contact 2431 of the movable contact piece 243 is greater than 20 mm. Further, in some examples, the distance L is greater than 25 mm. Alternatively, the distance L is greater than 30 mm.

[0326] Due to the long distance L, even if the swing block 242 swings a small angle, the movable contact 2431 can swing a large stroke, and the swing speed of the movable contact 2431 is improved.

[0327] In some examples, as shown in FIGS. 38 and 39, the swing angle C of the swing block 242 is less than 16°. In this way, the swing angle of the swing block 242 is small, the time required for the swing block 242 to swing is reduced, and the breaking speed and the contact speed of the movable contact 2431 and the two stationary contacts are improved. In some examples, the swing angle C is less than 12°. Further, the swing angle C is less than 10°.

[0328] In addition, the increase in the swing speed of the movable contact 2431 is also conducive to increasing the distance d between the movable contact 2431 and the stationary contact. In some examples, as shown in FIG. 38, the distance d between the movable contact 2431 and the stationary contact is greater than 3.5 mm.

[0329] Next, the protective door 6 involved in the socket provided by the embodiment of the present application is described. When the plug 201 is not inserted into the socket, the protective door 6 covers the socket of the panel 14 and the cover 13, and when the plug is inserted into the socket, the plug gradually opens the protective door 6 to allow the plug to be inserted into the socket of the electrical connection module, thereby realizing the electrical connection between the plug and the socket.

[0330] As shown in FIG. 41, the protective door 6 includes a main body part 61, a first covering part 62 and a second covering part 63 connected to the main body part 61, and the first covering part 62 and the second covering part 63 are respectively used to cover two sockets of the socket, i.e., the negative socket 143 and the positive socket 142. At least one of the first covering part 62 and the second covering part 63 has a first inclined surface 601 and a second inclined surface 602 facing the socket, and the first inclined surface 601 and the second inclined surface 602 are arranged obliquely relative to the driving direction of the plug 201, and the first inclined surface 601 and the second inclined surface 602 are connected and form an included angle or a smooth transition. As shown in FIG. 43, the protective door 6 is configured to allow the first inclined surface 601 and the second inclined surface 602 to respectively contact different side surfaces of the end of the plug 201, so as to move from the position covering the socket to the position exposing the socket under the driving of the plug 201.

[0331] The negative pole jack 143 and the positive pole jack 142 can be rectangular jacks or circular jacks. Based on the arrangement of the first inclined surface 601 and the second inclined surface 602, when the protection door 6 moves from the position of shielding the jacks to the position of exposing the jacks, the protection door 6 moves obliquely in a horizontal plane perpendicular to the driving direction of the latch 201. The negative pole jack 143 and the positive pole jack 142 can also be replaced by L-pole jacks and N-pole jacks.

[0332] For example, when the negative pole jack 143 and the positive pole jack 142 are rectangular jacks, the "oblique movement" of the protection door 6 means that the protection door 6 moves obliquely relative to the long side and the short side of the rectangular jacks, that is, the protection door 6 moves neither parallel to the long side of the rectangular jacks nor parallel to the short side of the rectangular jacks. For example, when the negative pole jack 143 and the positive pole jack 142 are circular jacks, the "oblique movement" of the protection door 6 can be considered as that the protection door 6 moves obliquely relative to the line connecting the centers of the negative pole jack 143 and the positive pole jack 142.

[0333] For the latch 201 used to drive the protection door 6, according to the shape of the jack, the driving end of the latch 201 can be designed as a flat shape or a round shape. For example, when the driving end of the latch 201 is flat, the driving end of the latch 201 can be a flat circular arc block or a flat isosceles trapezoidal block, etc. In some examples, the driving end of the latch 201 includes a first side with a larger width and a second side with a smaller width, and the first side and the second side are arranged adjacent to each other, thereby forming the different sides of the end of the latch 201 that are in contact with the first inclined surface 601 and the second inclined surface 602, respectively.

[0334] For example, when the driving end of the latch 201 is round, the driving end of the latch 201 is arc-shaped. Correspondingly, the part of the arc-shaped surface of the driving end of the latch 201 that is in contact with the first inclined surface 601 is referred to as the first side, and the part of the arc-shaped surface of the driving end of the latch 201 that is in contact with the second inclined surface 602 is referred to as the second side, thereby forming the different sides of the end of the latch 201 that are in contact with the first inclined surface 601 and the second inclined surface 602, respectively.

[0335] The protection door 6 provided by the embodiments of the present application is arranged by setting the first inclined surface 601 and the second inclined surface 602 with an included angle on the first shielding part 62 and the second shielding part 63, so as to be in contact with the first side and the second side of the end of the latch 201, respectively. In this way, the combined driving force generated by the first driving force applied by the latch 201 to the first inclined surface 601 and the second driving force applied by the latch 201 to the second inclined surface 602 can drive the protection door 6 to move obliquely.

[0336] In one aspect, compared with the protection door 6 moving in parallel along the long side or the short side of the rectangular jack, the protection door 6 moves obliquely relative to the long side or the short side of the rectangular jack, which is conducive to reducing the driving stroke of the protection door 6. This not only helps to reduce the height of the protection door 6, thereby facilitating the slim design of the socket, but also helps to reduce the movement range of the protection door 6 in the socket, thereby facilitating the reduction of the volume of the socket. Moreover, the shorter driving stroke makes the opening time of the protection door 6 shorter, and the user has a better feel when plugging and unplugging the plug 201.

[0337] On the other hand, by simultaneously providing the first inclined surface 601 and the second inclined surface 602 arranged at an included angle on the shielding part, it can be ensured that the negative jack 143 and the positive jack 142 are fully shielded by the first shielding part 62 and the second shielding part 63 respectively, avoiding the problem of incomplete shielding of the protection door to the jack.

[0338] The first inclined surface 601 and the second inclined surface 602 are arranged obliquely relative to the driving direction of the plug 201. As shown in FIG. 48, the first inclined surface 601 and the second inclined surface 602 can be provided only in a partial region of the surface of the first shielding part 62 or the second shielding part 63 facing the jack.

[0339] In the embodiment of the present application, as shown in FIG. 41, the starting end of the first inclined surface 601 is located in a non-edge region of the surface of the first shielding part 62 or the second shielding part 63 facing the jack, for example, in the middle region thereof, the end of the first inclined surface 601 extends to the edge of the first shielding part 62 or the second shielding part 63, and the end of the first inclined surface 601 is closer to the surface of the first shielding part 62 or the second shielding part 63 away from the jack. Similarly, the starting end of the second inclined surface 602 is located in a non-edge region of the surface of the first shielding part 62 or the second shielding part 63 facing the jack, for example, in the middle region thereof, the end of the second inclined surface 602 extends to the edge of the first shielding part 62 or the second shielding part 63, and the end of the second inclined surface 602 is closer to the surface of the first shielding part 62 or the second shielding part 63 away from the jack. Wherein, the starting end and the end mentioned above correspond to the starting position and the ending position of the end of the plug 201 respectively.

[0340] The above arrangement of the first inclined surface 601 and the second inclined surface 602 ensures that the plug 201 is further inserted into the socket after completing the driving of the protection door 6.

[0341] In some examples, the distribution direction of the negative pole jack 143 and the positive pole jack 142 is defined as the X direction, and the direction perpendicular to the X direction in the same plane is defined as the Y direction. The protection door 6 can be tilted from the position of covering the jack to the position of exposing the jack in the horizontal plane perpendicular to the driving direction of the plug 201, and the corresponding tilting path is in any one of the first quadrant region, the second quadrant region, the third quadrant region, and the fourth quadrant region of the coordinate system formed by the X direction and the Y direction.

[0342] For example, as shown in FIG. 44, when the tilting path of the protection door 6 is toward the first quadrant region, it can be considered that the protection door 6 moves toward the upper right. As shown in FIG. 45, when the tilting path of the protection door 6 is toward the second quadrant region, it can be considered that the protection door 6 moves toward the upper left. As shown in FIG. 46, when the tilting path of the protection door 6 is toward the third quadrant region, it can be considered that the protection door 6 moves toward the lower left. As shown in FIG. 47, when the tilting path of the protection door 6 is toward the fourth quadrant region, it can be considered that the protection door 6 moves toward the lower right.

[0343] With respect to the movement of the protection door 6 in the direction parallel to the reference position, the improved protection door 6 in the outlet has a shorter oblique pushing stroke, the height of the protection door 6 can be made lower, and the space occupied by the protection door 6 in the outlet in the direction perpendicular to the panel 14, i.e., the height direction, and the direction parallel to the panel 14 is significantly reduced, which is more conducive to the space arrangement inside the outlet.

[0344] For example, the driving stroke of the protection door 6 can be designed to move to the upper right relative to the reference position or to the upper left relative to the reference position, that is, the movement region of the protection door 6 is located on the same side of the outlet as the ground pole jack, which reasonably utilizes the space inside the outlet and makes the assembly more compact, which is more conducive to reducing the occupied range of the protection door 6 in the up-down direction, thereby reducing the occupied space of the protection door 6.

[0345] In the embodiment of the present application, the connection position between the first inclined surface 601 and the second inclined surface 602 can be linear or circular arc-shaped, that is, the connection position is rounded. Regardless of the way of connection, a connection line is formed between the first inclined surface 601 and the second inclined surface 602. The connection line can be an actual existing connection line, for example, when the first inclined surface 601 and the second inclined surface 602 are arranged at an angle. The connection line can also be a virtual connection line, which is defined in order to define the positions of the first inclined surface 601 and the second inclined surface 602, for example, when the first inclined surface 601 and the second inclined surface 602 are smoothly connected in a circular arc shape. The straight line direction of the connection line is the same as the direction of the combined driving force applied to the protection door 6 by the plug 201. It can be seen that the connection line between the first inclined surface 601 and the second inclined surface 602 determines the driving path of the protection door 6.

[0346] In order to realize the synchronous contact of the latch 201 and the first inclined surface 601 and the second inclined surface 602, and further realize the synchronous driving, the included angle between the first inclined surface 601 and the second inclined surface 602 and the driving direction of the latch 201 is the same, that is, the inclination angles of the two are the same, and when the included angle between the first inclined surface 601 and the second inclined surface 602 is greater than 35° and less than 70°, the effective driving of the protection door 6 can be realized, for example, the included angle formed by the first inclined surface 601 and the second inclined surface 602 can be 45°, so that the shortest driving stroke can be obtained.

[0347] In some examples, as shown in FIG. 48, the negative pole jack 143 and the positive pole jack 142 are both rectangular jacks, and the connecting line formed between the first inclined surface 601 and the second inclined surface 602 is arranged obliquely relative to the rectangular jack, which includes that the connecting line is arranged obliquely relative to both the long side and the short side of the rectangular jack. The distance between the end of the connecting line away from the target short side of the rectangular jack and the target short side of the target jack is defined as x, and the size of the target short side of the target jack is defined as y, wherein x is greater than or equal to y. The target short side of the rectangular jack is the end facing the driving force component of the latch 201.

[0348] By making x greater than or equal to y, it can be ensured that the protection door 6 is sufficiently driven to completely expose the jack it blocks. Of course, it is also desirable that the distance between the end of the connecting line close to the short side of the rectangular jack and the short side of the rectangular jack is as small as possible to ensure that the protection door 6 is sufficiently and effectively driven. In the embodiment of the present application, x is also not infinite, and in the embodiment of the present application, y can be at most the long side of the rectangular jack.

[0349] In some examples, as shown in FIG. 42, the surface of the main body portion 61 away from the jack has a first guide structure 610 for guiding the inclined movement of the protection door 6.

[0350] In the embodiment of the present application, the inclined movement of the protection door 6 can be an inclined translational movement, and the trend of the first guide structure 610 is along the path direction of the inclined movement of the protection door 6, as shown in FIG. 49. Corresponding to the first guide structure 610, the pressing plate 12 has a second guide structure 121, and the second guide structure 121 is movably connected with the first guide structure 610 and cooperates with the first guide structure 610 to constitute a guide. In this way, not only the assembly of the protection door 6 on the pressing plate 12 is realized, but also the guiding of the inclined movement of the protection door 6 is realized.

[0351] In some examples, the first guide structure 610 can be a guide block, and correspondingly, the second guide structure 121 is a guide groove.

[0352] In other examples, the first guide structure 610 can be a protrusion having a second guide groove 6101, and correspondingly, the second guide structure 121 is a recess having a guide block 1211.

[0353] As shown in FIG. 42, the surface of the main body portion 61 facing away from the jack hole has a strip-shaped protrusion arranged obliquely, the length direction of the strip-shaped protrusion extending along the oblique movement direction of the protection door 6, and the strip-shaped protrusion being provided with a second guide groove 6101 along the length direction, thereby forming a first guide structure 610.

[0354] As shown in FIG. 49, the second guide structure 121 is a groove provided with a guide block 1211 on the corresponding position of the pressing plate 12, wherein the strip-shaped protrusion of the first guide structure 610 partially enters the groove of the second guide structure 121, and at the same time, the second guide groove 6101 of the first guide structure 610 is sleeved on the guide block 1211 of the second guide structure 121, thereby realizing the movable connection of the first guide structure 610 and the second guide structure 121, guiding the oblique movement of the protection door 6, and ensuring that the path of the protection door 6 is accurately controllable when moving between the position covering the jack hole and the position exposing the jack hole.

[0355] In order to make the movement of the protection door 6 more smooth, the surface of the guide block 1211 in contact with the second guide groove 6101 can be provided as a circular arc surface, and correspondingly, the second guide groove 6101 is provided as a circular arc groove.

[0356] Further, as shown in FIG. 49, there is a gap between the side wall of the second guide groove 6101 and the side wall of the guide block 1211 to allow the protection door 6 to swing with the axis of the guide block 1211 as the pivot, thereby improving the adaptability of the protection door 6 to different scenes.

[0357] For example, when the user manually inserts the latch 201 to slightly incline the latch 201, the protection door 6 adaptively swings to allow the latch 201 to be smoothly inserted into place. Alternatively, the protection door 6 also swings when the single latch 201 is inserted.

[0358] In some examples, as shown in FIG. 42 and FIG. 50, the surface of the first shielding portion 62 facing away from the jack hole has a fifth limiting structure 620, and the surface of the second shielding portion 63 facing away from the jack hole has a sixth limiting structure 630. As shown in FIG. 51, when the single latch 201 is inserted to incline the protection door 6, one of the fifth limiting structure 620 and the sixth limiting structure 630 is used to cooperate with the seventh limiting structure 122 provided in the socket to stop.

[0359] The fifth limiting structure 620 and the sixth limiting structure 630 can be identical in structure. For example, the fifth limiting structure 620 is a limiting block, and the seventh limiting structure 122 is a limiting slot. For example, as shown in FIG. 42, the surface of the first shielding part 62 away from the jack hole has a limiting block as the fifth limiting structure 620. Correspondingly, the pressing plate 12 is provided with a limiting slot as the seventh limiting structure 122 for the fifth limiting structure 620 and the sixth limiting structure 630, respectively. See FIGS. 54 and 53.

[0360] As shown in FIG. 50, when the double plug 201 is inserted into the negative jack hole 143 and the positive jack hole 142 at the same time, the force on both sides of the protection door 6 is balanced, so that the protection door 6 is not flipped, that is, not swung. The fifth limiting structure 620 and the sixth limiting structure 630 do not work in this process. Therefore, under the driving of the double plug, the protection door 6 can be normally opened.

[0361] In some examples, as shown in FIG. 50, the fifth limiting structure 620 and the sixth limiting structure 630 have a gap N with the corresponding seventh limiting structure 122. The gap N is used to avoid the tilt insertion error of the plug 201, for example, the tilt insertion error of the plug 201 is caused when the plug 201 is manually inserted. The gap N can be achieved by the size design of the first guide structure 610 and the second guide structure 121.

[0362] When the plug 201 is manually inserted, the tilt insertion error of the plug 201 can be caused by the tilt of the hand, that is, the plug 201 is slightly tilted, so that the protection door 6 is slightly swung. In this case, it is not expected that the fifth limiting structure 620 or the sixth limiting structure 630 cooperates with the corresponding seventh limiting structure 122 to stop. The embodiments of the present application reserve a certain size gap N between the fifth limiting structure 620 and the sixth limiting structure 630. Therefore, even if the plug 201 is slightly tilted and inserted, the fifth limiting structure 620 or the sixth limiting structure 630 will not cooperate with the corresponding seventh limiting structure 122 to stop, so as to eliminate the tilt insertion error of the plug 201 caused by the tilt of the hand when the plug 201 is manually inserted.

[0363] As shown in FIG. 51, when a single plug is inserted, the side of the protection door 6 under the insertion force is flipped downward. The sixth limiting structure 630 in the form of a limiting block moves downward and enters the seventh limiting structure 122 in the form of a limiting slot provided on the pressing plate 12 of the socket. The two structures cooperate to stop, effectively preventing the single plug from continuing to be inserted and preventing the protection door 6 from being mistakenly opened when the single plug 201 is inserted.

[0364] In some examples, as shown in FIG. 42, the fifth limiting structure 620 and the sixth limiting structure 630 are both in the shape of a bump, and at least one of the fifth limiting structure 620 and the sixth limiting structure 630 is provided with an inclined guide surface 603 for facilitating the reset movement of the protection door 6.

[0365] For example, when the protection door 6 is assembled on the pressing plate 12 of the socket, normally, the guide surface 603 does not contact the surface of the pressing plate 12. When the user pulls out the plug, the positive and negative pins of the plug act on the two sides of the protection door 6, respectively. Whether the protection door 6 is inclined in this state is determined by whether the two pins of the plug are inclined, and whether the plug is inclined is determined by the position of the hand of the user operating the plug. When the user operates the plug, if the hand is inclined, the inclined state will be transmitted to the protection door 6 through the two pins of the plug, so that the protection door 6 is also inclined. Then, in the inclined state, one side of the protection door 6 contacts the plane of the pressing plate 12, that is, one of the fifth limiting structure 620 and the sixth limiting structure 630 in the shape of a bump contacts the surface of the pressing plate 12. Therefore, when the guide surface 603 contacts the pressing plate 12, the inclined arrangement of the guide surface 603 guides the reset movement of the protection door 6, so that the protection door 6 is reset smoothly.

[0366] For the fifth limiting structure 620 and the sixth limiting structure 630 in the shape of a bump, the surfaces of the fifth limiting structure 620 or the sixth limiting structure 630 that contact the plane of the pressing plate 12 in the inclined state of the protection door 6 are provided with the inclined guide surface 603. For example, as shown in FIG. 42, the surfaces of the fifth limiting structure 620 and the sixth limiting structure 630 that face the first guide structure 610 are provided with the inclined guide surface 603, and the surfaces of the fifth limiting structure 620 and the sixth limiting structure 630 at the end of the driving stroke are provided with the inclined guide surface 603.

[0367] Based on the inclined movement of the protection door 6, the central axis of the main body 61 of the protection door 6 can extend along the inclined movement path of the protection door 6, and the main body 61 is inclined relative to the long side and the short side of the rectangular jack, that is, not parallel to the long side of the rectangular jack and not parallel to the short side of the rectangular jack. This is beneficial to reduce the movement range of the protection door 6 in the socket, thereby reducing the occupied space.

[0368] For example, as shown in FIG. 41, the main body 61 of the protection door 6 is in the shape of a rectangular block or similar, and the inclined direction of the long side of the main body 61 is consistent with the inclined movement direction of the protection door 6.

[0369] For the first and second shielding portions 62 and 63 and the first and second inclined surfaces 601 and 602 thereon, their arrangement modes can be adaptively determined according to the layout of the negative and positive jack holes 143 and 142 in the socket.

[0370] In some examples, the negative socket 143 is a horizontally arranged rectangular socket, and the positive socket 142 is a vertically arranged rectangular socket. Correspondingly, the first shielding portion 62 corresponding to the negative socket 143 is horizontally arranged, and the first inclined surface 601 and the second inclined surface 602 are sequentially arranged in a direction close to the main body portion 61. The second shielding portion 63 corresponding to the positive socket 142 is vertically arranged, and the first inclined surface 601 and the second inclined surface 602 are sequentially arranged in a direction close to the main body portion 61. Because of the asymmetric arrangement of the first shielding portion 62 and the second shielding portion 63, the first inclined surface 601 and the second inclined surface 602 of the two are also asymmetric.

[0371] Of course, when the protection door 6 is applied to an alternating current socket, for the case of symmetric arrangement of the negative socket 143 and the positive socket 142, the first shielding portion 62 and the second shielding portion 63 can also be symmetrically designed correspondingly.

[0372] In addition, for the vertically arranged second shielding portion 63, the second inclined surface 602 thereof is close to the main body portion 61, and when the latch 201 drives the protection door to move from the position shielding the socket to the position exposing the socket, the latch 201 gradually approaches the main body portion 61. Therefore, a latch path area 6021 is provided between the second inclined surface 602 of the second shielding portion 63 and the main body portion 61, which is used to receive the latch 201, so as to avoid unnecessary interference with the movement of the latch 201. See FIG. 41.

[0373] In some examples, as shown in FIGS. 52 and 54, a fourth elastic member 7 is provided between the protection door 6 and the pressing plate 12. When the protection door 6 moves from the position shielding the socket to the position exposing the socket based on the tilting movement, the fourth elastic member 7 deforms, and then promotes the reset movement of the protection door 6 from the position exposing the socket to the position shielding the socket based on the stored elastic potential energy thereof.

[0374] In some examples, as shown in FIGS. 52 and 54, the pressing plate 12 has a receiving cavity 120, and the protection door 6 is accommodated inside the receiving cavity 120. The receiving cavity 120 is configured to allow the protection door 6 to move between the position shielding the socket and the position exposing the socket.

[0375] In some examples, as shown in FIG. 52, the receiving cavity 120 is further configured such that when the protection door 6 is in the position shielding the socket, part of the cavity side wall of the receiving cavity 120 abuts part of the side wall of the protection door 6, for example, part of the side wall of the main body portion 61, the first shielding portion 62 and the second shielding portion 63, so as to stably limit the protection door 6 in the position shielding the socket, and does not affect the tilting movement of the protection door 6 to the position exposing the socket.

[0376] In the embodiments of the present application, the fourth elastic member 7 can be a compression spring, a tension spring, a clamping spring, an elastic rubber member, etc. The assembly mode of the fourth elastic member 7 in the form of a compression spring can be as follows: as shown in FIG. 52, the end of the main body part 61 of the protection door 6 is provided with a connecting boss 64, the corresponding cavity side wall of the accommodating cavity 120 of the pressing plate 12 is provided with another connecting boss 64, and the two ends of the compression spring are respectively sleeved on the corresponding connecting bosses 64 and abut against the end of the main body part 61 and the cavity side wall of the accommodating cavity 120, respectively.

[0377] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

[0378] For the convenience of explanation, the above description has been made in combination with specific embodiments. However, the above exemplary discussion is not intended to exhaust or limit the embodiments to the specific forms disclosed above. Various modifications and variations can be derived according to the above teachings. The selection and description of the above embodiments are to better explain the principles and practical applications, so that those skilled in the art can better use the embodiments and various different modified embodiments suitable for specific use considerations.

Claims

1. A switching mechanism wherein, The switch mechanism comprises a contact assembly (23) and a swing assembly (24), the swing assembly (24) comprises a driving block (2411), a swing block (242), a first elastic member (2412), and a movable contact (243), the contact assembly (23) comprises a fixed contact (230); The swing block (242) is rotationally arranged, a part of the swing block (242) is located between the driving block (2411) and the first elastic member (2412), the movable contact (243) is connected to the swing block (242) and corresponds to the fixed contact (230); The driving block (2411) can be driven to move from a first position to a second position, and drive the swing block (242) to swing the movable contact (243) to contact the fixed contact (230); When the driving block (2411) is in the first position, the driving block (2411) is separated from the swing block (242) and the first elastic member (2412) is in contact with the swing block (242); When the driving block (2411) is in the second position, the driving block (2411) is in contact with the swing block (242) and the first elastic member (2412) is separated from the swing block (242).

2. The switch mechanism of claim 1, wherein, The swing block (242) comprises a swing body (2421) arranged rotationally and a driving arm (2422) connected to the swing body (2421); The driving block (2411) comprises a driving body (24111) located on a first side of the driving arm (2422) and a connecting arm (24112) movably penetrating the driving arm (2422) and connected to the driving body (24111); The first elastic member (2412) is located on a second side of the driving arm (2422), one end of the first elastic member (2412) is fixed, and the other end is connected to the connecting arm (24112); the movable contact (243) is connected to the swing body (2421); When the driving block (2411) is in the first position, the driving body (24111) is separated from the first side of the driving arm (2422) and the first elastic member (2412) is in contact with the second side of the driving arm (2422); When the driving block (2411) is in the second position, the driving body (24111) is in contact with the first side of the driving arm (2422) and the first elastic member (2412) is separated.

3. The switch mechanism of claim 2, wherein, The driving arm (2422) has a through hole (2420), and the connecting arm (24112) penetrates the through hole (2420); An end of the driving body (24111) connected to the connecting arm (24112) has a first driving surface (24113) for driving the first side of the driving arm (2422); The first driving surface (24113) is parallel to the first side surface of the driving arm (2422) when the driving block (2411) is in the first position. Optionally, the first driving surface (24113) is parallel to the first side surface of the driving arm (2422) when the driving block (2411) is in the first position.

4. The switch mechanism of claim 1, wherein, The driving block (2411) applies a compression force to the first elastic member (2412), and the direction of the compression force is consistent with the direction of expansion and contraction of the first elastic member (2412). Optionally, the first elastic member (2412) comprises a compression spring, a clasp spring, or a plastic elastic body.

5. The switch mechanism according to any one of claims 2-4, wherein, The driving body (24111) further comprises a second driving surface (24114) that is arranged obliquely relative to the driving direction of the plug (201), and the second driving surface (24114) is configured to receive the plug (201) so that the plug (201) drives the driving block (2411) to move in a second direction when the plug (201) moves in a first direction, wherein the first direction intersects the second direction.

6. The switch mechanism of claim 5, wherein, The driving block (2411) comprises a concave groove (24117) arranged on one side of the driving body (24111), and the second driving surface (24114) is formed by the inner wall of the concave groove (24117). The second driving surface (24114) comprises a middle contact surface (241140), a first side contact surface (241141), and a second side contact surface (241142) arranged on both sides of the middle contact surface (241140) respectively. The driving block (2411) is configured to allow the plug (201) to simultaneously contact the middle contact surface (241140), the first side contact surface (241141), and the second side contact surface (241142) to drive the driving block (2411) to move.

7. The switch mechanism of claim 6, wherein, At least one of the middle contact surface (241140), the first side contact surface (241141), and the second side contact surface (241142) is configured to be in multi-point contact or surface contact with the driving end of the plug (201). And / or, The middle contact surface (241140), the first side contact surface (241141), and the second side contact surface (241142) are each independently a plane or an arc surface. Optionally, the middle contact surface (241140), the first side contact surface (241141) and the second side contact surface (241142) are all arc surfaces and are smoothly connected between any two adjacent surfaces, so that the second driving surface (24114) is an arc surface, or the middle contact surface (241140), the first side contact surface (241141) and the second side contact surface (241142) are all planar surfaces and are connected at an angle between any two adjacent surfaces, so that the second driving surface (24114) is a bent surface.

8. The switch mechanism of any one of claims 1-7, wherein, The switch mechanism further comprises a switch mechanism housing (25), the swing assembly (24) and the contact assembly (23) are accommodated in the switch mechanism housing (25), and the swing block (242) is rotatably connected with the switch mechanism housing (25).

9. The switch mechanism of claim 8, wherein, The swing block (242) comprises a swing body (2421) and a driving arm (2422) connected to the swing body (2421). A first end of the swing body (2421) is rotatably connected with the switch mechanism housing (25), and a second end opposite to the first end of the swing body (2421) is connected with the movable contact (243). One end of the driving arm (2422) is connected to the swing body (2421), and the other end of the driving arm (2422) extends away from the swing body (2421) and is movably connected with the connecting arm (24112) of the driving block (2411). Optionally, the connection position of the driving arm (2422) and the swing body (2421) is closer to the first end of the swing body (2421).

10. The switch mechanism of claim 9, wherein, The driving block (2411) is driven by a pin (201), and the driving arm (2422) is arranged to be inclined relative to the driving direction of the pin (201). Optionally, the included angle between the driving arm (2422) and the swing body (2421) is less than 90°.

11. The switch mechanism of claim 8, wherein, The swing assembly (24) further comprises a magnetic suction block (244) having magnetism, the contact assembly (23) further comprises a first magnetic block (234), and the switch mechanism housing (25) is provided with a second magnetic block (5). The magnetic suction block (244) is fixed on the part of the movable contact (243) extending out of the swing block (242), and a part of the magnetic suction block (244) is located on the first side of the movable contact (243) facing the stationary contact (230), and the other part is located on the second side of the movable contact (243) facing away from the stationary contact (230). The first magnetic block (234) is located on the forward swing track of the magnetic suction block (244), and the second magnetic block (5) is located on the reverse swing track of the magnetic suction block (244). The static contact piece (230) is located on the positive swing trajectory of the dynamic contact piece (243), and when the dynamic contact piece (243) and the static contact piece (230) are separated, the magnetic suction block (244) is in the adsorption state with the second magnetic block (5), and when the dynamic contact piece (243) and the static contact piece (230) are in contact, the magnetic suction block (244) is in the adsorption state with the first magnetic block (234).

12. The switch mechanism of claim 11, wherein, The swing block (242) has a mounting groove (24210), and the opening of the mounting groove (24210) is located at the end of the swing block (242) away from the swing point, and one side of the mounting groove (24210) is open. Part of the dynamic contact piece (243) is located in the mounting groove (24210), and the other part protrudes from the swing block (242) through the opening of the mounting groove (24210). The magnetic suction block (244) has an extension arm (2442), and the extension arm (2442) is fixed to the mounting groove (24210).

13. The switch mechanism of claim 11, wherein, The swing block (242) has a mounting groove (24210) and a cylindrical groove (24213), the opening of the mounting groove (24210) is located at the end of the swing block (242) away from the swing point, and the cylindrical groove (24213) is located at the bottom of the mounting groove (24210) and communicates with the mounting groove (24210), and the opening of the cylindrical groove (24213) and the opening of the mounting groove (24210) are located at the same side of the swing block (242). The dynamic contact piece (243) includes a rolled part (2451), and the rolled part (2451) is located in the cylindrical groove (24213) in an interference fit; the magnetic suction block (244) has a U-shaped groove (2441), and the magnetic suction block (244) is connected to the dynamic contact piece (243) through the U-shaped groove (2441). Optionally, the end of the dynamic contact piece (243) away from the dynamic contact point (2431) is fixedly connected with a second elastic member (245), and the rolled part (2451) is arranged at the end of the second elastic member (245) away from the dynamic contact piece (243).

14. The switch mechanism of claim 11, wherein, The swing block (242) is fixedly connected with the dynamic contact piece (243) and the magnetic suction block (244) through an injection molding process.

15. The switch mechanism of any one of claims 1-14, wherein, The contact assembly (23) further includes a support member (231), an extension part (2351), and a first connecting part (2352); The first connecting part (2352) is connected with the extension part (2351) and is bent towards the first side of the extension part (2351), and the end of the first connecting part (2352) points to the extension part (2351) or to the body part of the first connecting part (2352); The contact surface of the static contact piece (230) is located at the second side of the extension part (2351), wherein the first side and the second side of the extension part (2351) are opposite in the thickness direction. The support piece (231) has a second connecting part (2311) which is shaped to match the first connecting part (2352), and the first connecting part (2352) is buckled on the second connecting part (2311).

16. The switch mechanism of claim 15, wherein, The contact assembly (23) further comprises a third elastic piece (235) comprising the extension part (2351) and the first connecting part (2352), the second side of the extension part (2351) is fixed on the static contact (230), and the contact surface of the static contact (230) is on the side of the static contact (230) which is opposite to the extension part (2351); Optionally, the end of the first connecting part (2352) points to the extension part (2351), and there is a spacing between the end of the first connecting part (2352) and the extension part (2351).

17. The switch mechanism of claim 15, wherein, The switch mechanism further comprises a switch mechanism housing (25), the contact assembly (23) further comprises two wire outlet structures (26), the switch mechanism housing (25) has two wire outlet holes, the support piece (231) is fixed in the switch mechanism housing (25), and the two wire outlet structures (26) respectively extend out of the switch mechanism housing (25) through the two wire outlet holes; Optionally, the switch mechanism is used for a socket, one of the two wire outlet structures (26) is electrically connected with a first socket shell (22) of the socket, and the other wire outlet structure (26) is electrically connected with a first wiring terminal (21) of the socket.

18. A socket, wherein, The socket comprises a socket housing (1), a first conductive assembly (2) and a second conductive assembly (3) arranged inside the socket housing (1); The first conductive assembly (2) comprises the switch mechanism (20) of any one of claims 1-17, a first wiring terminal (21) and a first socket shell (22); The second conductive assembly (3) comprises a second wiring terminal (31) and a second socket shell (32), and the second wiring terminal (31) is electrically connected with the second socket shell (32); The switch mechanism (20) is located between the first socket shell (22) and the first wiring terminal (21), and the driving block (2411) of the switch mechanism (20) can be driven by the latch (201) to control the on-off of the first socket shell (22) and the first wiring terminal (21).

19. The socket of claim 18, wherein, The static contact (230) comprises a first static contact (232) and a second static contact (233), the first static contact (232) is electrically connected with the first wiring terminal (21), and the second static contact (233) is electrically connected with the first socket shell (22); The movable contact (243) has two movable contact points (2431) which are respectively in contact with or separated from the first static contact (232) and the second static contact (233); When the two movable contacts (2431) are in contact with the first static contact sheet (232) and the second static contact sheet (233) respectively, the distance between the movable contacts (2431) and the panel (14) of the socket is a first distance; when the two movable contacts (2431) are separated from the first static contact sheet (232) and the second static contact sheet (233) respectively, the distance between the movable contacts (2431) and the panel (14) is a second distance, and the first distance is different from the second distance.

20. The socket of claim 19, wherein, During the swinging of the movable contact sheet (243), the maximum included angle A between the movable contact sheet (243) and the outer surface of the panel (14) of the socket shell (1) is less than 45°; Optionally, the first static contact sheet (232) and the second static contact sheet (233) are arranged obliquely, and the oblique direction is consistent with the oblique direction of the swinging body (2421) of the swinging block (242); Optionally, during the swinging of the movable contact sheet (243), the minimum included angle B between the movable contact sheet (243) and the outer surface of the panel (14) is greater than 6°; Optionally, the distance L between the rotation axis of the swinging block (242) and the movable contact (2431) of the movable contact sheet (243) is greater than 20 mm; Optionally, the swinging angle C of the movable contact sheet (243) is less than 16°.

21. The socket of any one of claims 18-20, wherein, The socket further comprises a protection door (6) and a fourth elastic member (7); The protection door (6) comprises a first shielding part (62) and a second shielding part (63), and the first shielding part (62) and the second shielding part (63) are used for shielding two insertion holes of the socket respectively; The surface of at least one of the first shielding part (62) and the second shielding part (63) facing the insertion hole has a first inclined surface (601) and a second inclined surface (602), the first inclined surface (601) and the second inclined surface (602) are arranged obliquely relative to the driving direction of the plug (201), and the first inclined surface (601) and the second inclined surface (602) are connected and form an included angle or a smooth transition; During the process that the two plugs (201) are inserted into the two insertion holes respectively, different sides of the plug (201) are in contact with the first inclined surface (601) and the second inclined surface (602) respectively, and the protection door (6) is driven to move, so that the first shielding part (62) and the second shielding part (63) respectively expose the two insertion holes; During the process that the two plugs (201) are pulled out of the two insertion holes respectively, the fourth elastic member (7) drives the protection door (6) to move, so that the first shielding part (62) and the second shielding part (63) respectively shield the two insertion holes.

22. The socket of claim 21, wherein, The distribution direction of the two insertion holes is defined as the X direction, and the direction perpendicular to the X direction in the same plane is defined as the Y direction. The protection door (6) is configured to be able to move from a position of shielding the jack to a position of exposing the jack in a horizontal plane perpendicular to the driving direction of the plug (201), wherein the tilting movement path of the protection door (6) is towards any one of the first quadrant region, the second quadrant region, the third quadrant region and the fourth quadrant region in the coordinate system composed of X and Y. Optionally, when the protection door (6) is used for a three-pole DC socket, the tilting movement path of the protection door (6) is towards any one of the first quadrant region, the second quadrant region, the third quadrant region and the fourth quadrant region close to the plug sleeve of the ground pole.

23. The socket of claim 21, wherein, Both of the jacks are rectangular jacks, and the connecting line formed between the first inclined surface (601) and the second inclined surface (602) is arranged obliquely relative to the rectangular jack; The distance between one end of the connecting line away from the target short side of the rectangular jack and the target short side is defined as X, and the size of the target short side is defined as H, X is greater than or equal to H; Wherein, the target short side of the rectangular jack is the end facing the driving force component applied by the plug (201).

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