Pin device, plug assembly, and charger

Abstract

The present application discloses a pin device, a plug assembly, and a charger. The pin device comprises a main body portion and a pin assembly, and the pin assembly is arranged on the main body portion; the pin assembly comprises a retractable pin and two rotary pins; the two rotary pins are rotatably arranged on the main body portion and located on one side of the retractable pin; the retractable pin moves relative to the main body portion; the pin device has a storage state and a use state; when the pin device is in the storage state, the retractable pin is located at a storage position relative to the main body portion, and the two rotary pins and the retractable pin are arranged according to a preset direction; and when the pin device is in the use state, the retractable pin is located at a plugging position relative to the main body portion, and the arrangement direction of the two rotary pins intersects the preset direction, so that the pin assembly is in a plugging available state. By means of the method, the present application enables the pin device to occupy a small storage space, so that the pin device is convenient to store and carry.

Description

Plug assembly, plug assembly and charger

[0001] This application claims priority to Chinese patent application 2024104903148 entitled “Plug Assembly”, Chinese patent application 2024104871734 entitled “Charger”, and Chinese patent application 2024104900455 entitled “Pin Device”, all filed on April 22, 2024, the entire contents of which are incorporated herein by reference. [Technical Field]

[0002] This application relates to the field of electronic equipment technology, and in particular to plug devices, plug assemblies and chargers. [Background Technology]

[0003] Plugs are common electrical appliances in daily life, used in many situations where electrical appliances are frequently used. However, plugs also present many inconveniences. In traditional plugs, the prongs and the plug body are fixed as one piece. Therefore, even when not in use, the plug is still relatively large and takes up a lot of space, making it extremely inconvenient to package, transport, and carry. [Summary of the Invention]

[0004] The plug device, plug assembly, and charger provided in the embodiments of this application enable the plug device to occupy less storage space, thereby making it convenient to store and carry.

[0005] In a first aspect, embodiments of this application provide a plug device, which includes a main body and a plug assembly.

[0006] A pin assembly is disposed on the main body; the pin assembly includes a button pin and two rotating pins; the two rotating pins are rotatably disposed on the main body and located on one side of the button pin; the button pin moves relative to the main body;

[0007] The plug device has a storage state and a use state. When the plug device is in the storage state, the button plug is located in the storage position relative to the main body, and the two rotating plugs are arranged with the button plug in a preset direction. When the plug device is in the use state, the button plug is located in the insertion position relative to the main body, and the arrangement direction of the two rotating plugs is intersected with the preset direction, so that the plug assembly is in an insertion state that can be inserted.

[0008] Secondly, embodiments of this application provide a plug assembly, which includes a main body and a pin assembly.

[0009] The main body has a thickness direction and a width direction that are perpendicular to each other, and the dimension of the main body in the thickness direction is smaller than the dimension in the width direction;

[0010] A pin assembly is disposed on the main body, including a pin base and two first pins arranged side by side and spaced apart on the pin base. The pin base is rotatably disposed on the main body about a preset axis so as to drive the two first pins to rotate relative to the main body about the preset axis.

[0011] The plug assembly has a retracted state and a usable state. When the plug assembly is in the retracted state, the two first prongs are arranged along the width direction; when the plug assembly is in the usable state, the two first prongs are arranged along the thickness direction.

[0012] Thirdly, embodiments of this application provide a charger, which includes a main body and a plug assembly disposed on the main body. The plug assembly includes three plugs, at least one of which is rotatable relative to the other plugs about a preset axis, wherein the preset axis is spaced apart from the plugs. When the charger is in a stored state, the three plugs are arranged along a preset arrangement direction. When the charger is in a plugged-in state, the plug that is rotatable relative to the other plugs is located on one side of the arrangement direction of the other plugs, so that the plug assembly is in a pluggable pluggable state.

[0013] The beneficial effects of this application are as follows: Unlike existing technologies, this application configures the two rotating pins in the plug device to rotate relative to the main body. This allows the two rotating pins to rotate to a preset direction and align with the button pin when the plug device is not in use. This reduces the space occupied by the two rotating pins in the vertical direction of the preset direction, resulting in a thinner plug device in that direction. This reduces the storage space required for the plug device and makes it easier to store and carry. Furthermore, the button pin's movable design relative to the main body allows it to switch between a stored position and an engaged position, enabling flexible repositioning and further reducing the storage space required when the plug device is stored, making it more convenient to store and carry. [Attached Image Description]

[0014] Figure 1 is a three-dimensional structural schematic diagram of the pin device embodiment of this application in the storage state;

[0015] Figure 2 is a three-dimensional structural diagram of the embodiment of the pin device shown in Figure 1 in the usage state;

[0016] Figure 3 is an exploded structural diagram of an embodiment of the pin device shown in Figure 2;

[0017] Figure 4 is a three-dimensional structural diagram of some components in the embodiment of the pin device shown in Figure 3;

[0018] Figure 5 is a three-dimensional structural diagram of some components in the embodiment of the pin device shown in Figure 1;

[0019] Figure 6 is an enlarged schematic diagram of a partial area I in the embodiment of the pin device shown in Figure 4;

[0020] Figure 7 is an enlarged schematic diagram of a partial area J in the embodiment of the pin device shown in Figure 5;

[0021] Figure 8 is a three-dimensional structural diagram of another component in the embodiment of the pin device shown in Figure 3;

[0022] Figure 9 is a three-dimensional structural schematic diagram of an embodiment of the plug assembly of this application;

[0023] Figure 10 is a schematic diagram showing the positional relationship of the first prong in the storage position in the embodiment of the plug assembly shown in Figure 9;

[0024] Figure 11 is a schematic diagram of the positional relationship of the plug assembly in the retracted state in the embodiment of the plug assembly shown in Figure 9.

[0025] Figure 12 is an exploded structural diagram of an embodiment of the plug assembly shown in Figure 9;

[0026] Figure 13 is another exploded structural diagram of the plug assembly embodiment shown in Figure 9;

[0027] Figure 14 is a three-dimensional structural schematic diagram of some components of the plug assembly embodiment shown in Figure 13;

[0028] Figure 15 is an enlarged schematic diagram of a partial region K in the plug assembly embodiment shown in Figure 14;

[0029] Figure 16 is another perspective structural schematic diagram of some components of the plug assembly embodiment shown in Figure 14;

[0030] Figure 17 is an exploded structural diagram of some components in the plug assembly embodiment shown in Figure 16;

[0031] Figure 18 is a structural schematic diagram of the plug assembly embodiment shown in Figure 9 along the section line EE;

[0032] Figure 19 is a structural schematic diagram of the plug assembly embodiment shown in Figure 10 along the section line FF;

[0033] Figure 20 is a three-dimensional structural schematic diagram of the plug assembly embodiment shown in Figure 9 from another perspective;

[0034] Figure 21 is a schematic diagram of the plug assembly in a retracted state according to an embodiment of the charger of this application;

[0035] Figure 22 is a planar structural diagram of the plug assembly in a retracted state according to an embodiment of the charger of this application;

[0036] Figure 23 is a schematic diagram of the plug assembly of the charger embodiment of this application in a plugged-in state;

[0037] Figure 24 is a planar structural diagram of the plug assembly in the plugged state of the charger embodiment of this application;

[0038] Figure 25 is an exploded view of the plug assembly and rotating base of the charger embodiment of this application;

[0039] Figure 26 is a schematic diagram of the connection structure of some components in the charger embodiment of this application.

[0040] Figure 27 is an exploded view of the second pin and rotating spindle of the charger embodiment of this application;

[0041] Figure 28 is a schematic diagram of the structure of the guide groove of the rotating spindle in the charger embodiment of this application;

[0042] Figure 29 is a schematic diagram of the structure of the rotating spindle of the charger embodiment of this application;

[0043] Figure 30 is a schematic diagram of the structure of the spindle drive component in an embodiment of the charger of this application;

[0044] Figure 31 is a schematic diagram of the linkage component of the charger embodiment of this application;

[0045] Figure 32 is a schematic diagram of the structure of the first drive shaft assembly in an embodiment of the charger of this application;

[0046] Figure 33 is a schematic diagram of the structure of the second drive shaft assembly in an embodiment of the charger of this application.

Detailed Implementation Methods

[0047] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0048] The inventors of this application have discovered that traditional plugs integrate the prongs and the plug body into one unit. Therefore, even when not in use, they remain relatively large, especially for three-prong plugs such as those with British standard prongs. The three prongs result in larger prong heads, further increasing their space requirements and making them extremely inconvenient to package, transport, and carry. To address these issues, this application proposes the following embodiments.

[0049] The following is an exemplary description of the plug assembly in the embodiments of the plug device of this application.

[0050] As shown in Figures 1 and 3, the plug device 1 is a connector for general electronic products and a pin for electrical appliances, also known as a plug, which can be used to connect electronic products and other devices to a power source or to other electronic products. The plug device 1 has multiple pins, which can be inserted into the corresponding sockets of electronic products to connect with them. For example, the plug device 1 can be a British standard plug, an Australian standard plug, a Japanese standard plug, or a plug with three pins, or it can be a power adapter.

[0051] As shown in Figures 1 and 3, the pin device 1 may include a main body 100 and a pin assembly 200. The pin assembly 200 is disposed on the main body 100.

[0052] The pin assembly 200 may include a button pin 210 and two rotating pins 220. The two rotating pins 220 are rotatably disposed on the main body 100 and located to one side of the button pin 210. The button pin 210 can move relative to the main body 100. The two rotating pins 220 may be a neutral pin and a live pin, respectively, while the button pin 210 may be a ground pin, or it may be a non-energized plastic pin.

[0053] The plug device 1 has a retractable state and a usable state. When the plug device 1 is in the retractable state, the button pin 210 is located in the retracted position relative to the main body 100, and the two rotating pins 220 are arranged with the button pin 210 in a preset direction. When the plug device 1 is in the usable state, the button pin 210 is located in the insertion position relative to the main body 100, and the arrangement direction of the two rotating pins 220 intersects with the preset direction, so that the plug assembly 200 is in an insertion state that can be inserted.

[0054] Specifically, the preset direction can be shown as direction A in Figures 1 and 2. When the pin device 1 is in the retracted state, the arrangement direction of the two rotating pins 220 can be shown as direction A in Figure 1. The arrangement direction of the two rotating pins 220 is consistent with the preset direction A, and the two rotating pins 220 and the button pin 210 are in a straight line.

[0055] Optionally, when the pin device 1 is in use, the arrangement direction of the two rotating pins 220 is intersected with a preset direction. For example, as shown by arrow B in Figure 2, the arrangement direction of the two rotating pins 220 can be perpendicular to the preset direction, so that the pin assembly 200 is in a pluggable state, allowing the two rotating pins 220 and the button pin 210 to be inserted into the corresponding sockets.

[0056] Therefore, the rotatable configuration of the two rotating pins 220 allows the pin assembly 200 to have different shapes, so that when the pin device 1 is not in use, the two rotating pins 220 can be rotated to a preset direction and aligned with the button pin 210, thereby reducing the space occupied by the two rotating pins 220 in the vertical direction of the preset direction, making the pin device 1 thinner in the vertical direction of the preset direction, thereby reducing the storage space of the pin device 1 and making it easier to store and carry the pin device 1.

[0057] In some embodiments, during the switching between a retracted state and a used state, the button pin 210 can move relative to the main body 100 in its extending direction. In the extending direction of the button pin 210, the height of the button pin 210 in the retracted position is lower than the height of the plugged-in position.

[0058] The button pin 210 has one end disposed within the main body 100, and the other end extends away from the main body 100. Specifically, the extension direction of the button pin 210 can be shown as direction C in Figures 4 and 5. When the pin device 1 is in the plugged-in state, the plugged-in position of the button pin 210 can be shown in Figure 4. When the pin device 1 is in the retracted state, the retracted position of the button pin 210 can be shown in Figure 5.

[0059] Setting the storage position of the button pin 210 lower than the plug position allows the button pin 210 to occupy less space after being stored compared to when it is in use, thus reducing the storage space of the pin device 1.

[0060] In some embodiments, as shown in Figures 1 to 3, the pin device 1 may include two protective covers 300, which are rotatably connected to the main body 100 in a predetermined direction.

[0061] Optionally, two protective covers 300 are respectively disposed on both sides of the button pin 210 and the two rotating pins 220. One end of the two protective covers 300 is connected to the main body 100, and the other end can rotate relative to the main body 100 and can move relatively closer to or away from the pin assembly 200.

[0062] Specifically, when the plug device 1 is in use, as shown in FIG2, the two protective covers 300 are open to expose the plug assembly 200. When the plug device 1 is in the retracted state, as shown in FIG1, the two protective covers 300 are closed to cover at least a portion of the plug assembly 200.

[0063] Optionally, when the pin device 1 is in the retracted state, the two protective covers 300 can be completely fitted together, and the positions of the two protective covers 300 can be as shown in Figure 1. When the pin device 1 is in the use state, the included angle between the two protective covers 300 can be greater than or equal to 90°. For example, the included angle between the two protective covers 300 can be 90°, 100°, 120°, etc. In this embodiment, the included angle between the two protective covers 300 can be 90°.

[0064] By providing protective covers 300 on both sides of the plug assembly 200, and when the plug device 1 is in the storage state, the two protective covers 300 can cover at least a portion of the plug assembly 200, thereby protecting the plug assembly 200 from scratches and damage during storage, and also preventing the plug device 1 from scratching other items during storage and carrying, thus increasing the safety of the plug assembly 200.

[0065] In some embodiments, as shown in Figures 3 to 5, the pin device 1 may include two cover shafts 400 arranged along the rotation axis of the two protective covers 300 and a second drive mechanism 500. The two cover shafts 400 are fixedly connected to the two protective covers 300 in a one-to-one correspondence. The two protective covers 300 are drivenly connected to the two cover shafts 400. The two cover shafts 400 are drivenly connected through the second drive mechanism 500 and are configured to rotate in opposite directions. This configuration allows the two protective covers 300 to be drivenly connected. When one protective cover 300 is pried open and rotated, the other protective cover 300 can rotate under the action of the two cover shafts 400 and the second drive mechanism 500, thereby enabling the two protective covers 300 to rotate simultaneously. This simplifies the process of the two protective covers 300 closing and opening with each other, making the use of the pin device 1 more convenient and quick.

[0066] In some embodiments, as shown in Figures 6 and 7, the second drive mechanism 500 may include a second elastic element 510, a fixed assembly 520, and a movable assembly 530.

[0067] Specifically, the fixed assembly 520 can be fixedly sleeved on the corresponding cover pivot 400 to rotate with the cover pivot 400. The movable assembly 530 can be sleeved on the cover pivot 400 and is connected to the fixed assembly 520 in a transmission manner. When the fixed assembly 520 rotates, it drives the movable assembly 530 to slide relative to the cover pivot 400 and rotate relative to the cover pivot 400. One end of the second elastic member 510 is fixed relative to the main body 100, and the other end is elastically supported on the side of the movable assembly 530 away from the fixed assembly 520. The movable assembly 530 is used to guide the fixed assembly 520 to rotate so that the two protective covers 300 close together. And when the pin device 1 is in the storage state and the use state, the movable assembly 530 is used to restrict the rotation of the fixed assembly 520.

[0068] Optionally, as shown in Figures 6 and 7, the fixing kit 520 may include two rotating members 521, which are fixedly sleeved on the two cover shafts 400 in a one-to-one correspondence. The two rotating members 521 are arranged opposite to each other and mesh with each other. When one rotating member 521 rotates under the drive of the cover shaft 400, it will drive the other rotating member 521 to rotate in the opposite direction, thereby driving the other cover shaft 400 to rotate, so as to realize the transmission connection between the two protective covers 300.

[0069] The cover pivot 400 is set in a preset direction. The second elastic member 510, the movable component 530, and the fixed component 520 are all sleeved on the cover pivot 400 and arranged sequentially along the preset direction. The movable component 530 is relatively away from or close to the fixed component 520 along the preset direction. The movable component 530 is sleeved on two cover pivots 400, and the movable component 530 abuts against the two rotating members 521.

[0070] Optionally, as shown in Figures 6 and 7, each rotating member 521 may have a first protrusion 5211 on the side facing the movable assembly 530. One side of the first protrusion 5211 is provided with a first helical guide surface 5212 inclined relative to the axis of the cover rotation shaft 400. The movable assembly 530 has two first grooves 531 on the side facing the two rotating members 521, with the first grooves 531 corresponding to the first protrusions 5211. The first grooves 531 are provided with second helical guide surfaces 5311 inclined relative to the axis of the cover rotation shaft 400. The first helical guide surfaces 5212 and the second helical guide surfaces 5311 can abut against each other.

[0071] Specifically, when the pin device 1 is in the retracted state, the positional relationship between the movable kit 530 and the fixed kit 520 can be seen in Figure 7. At this time, the first groove 531 and the first protrusion 5211 are engaged with each other, and the first spiral guide surface 5212 and the second spiral guide surface 5311 abut against each other, so that the movable kit 530 can restrict the rotation of the two rotating members 521, thereby restricting the relative rotation of the cover shaft 400, so that the two protective covers 300 can remain closed when the pin device 1 is retracted. During the process of the pin device 1 changing from the retracted state to the use state, the two protective covers 300 are pried open and rotate relative to each other, thereby driving the two cover shafts 400 and the two rotating members 521 to rotate. Under the mutual guidance of the first spiral guide surface 5212 and the second spiral guide surface 5311, the two rotating members 521 push the movable kit 530 to move away from the rotating members 521, thereby compressing the second elastic member 510.

[0072] Optionally, the movable kit 530 has a second groove 532 at the end of the second spiral guide surface 5311 near the rotating member 521, and the second groove 532 can also correspond to the first protrusion 5211. The second groove 532 has a third spiral guide surface 5321, which can abut against a portion of the first protrusion 5211.

[0073] Specifically, when the plug device 1 is switched from the storage state to the use state, the first spiral guide surface 5212 of the first protrusion 5211 disengages from the second spiral guide surface 5311, and a portion of the first protrusion 5211 is correspondingly fitted into the second groove 532 at the end of the second spiral guide surface 5311. At this time, the positional relationship between the movable kit 530 and the fixed kit 520 can be seen in Figure 6, so that the movable kit 530 can restrict the rotation of the two rotating parts 521, so that the two protective covers 300 can remain open to each other when the plug device 1 is in use.

[0074] During the transition of the pin device 1 from its active state to its retracted state, the two rotating members 521 rotate toward the first groove 531 to disengage from the second groove 532. A portion of the first protrusion 5211 rotates along the third spiral guide surface 5321 to push the movable assembly 530 away from the rotating member 521. After the rotating member 521 disengages from the second groove 532, the first protrusion 5211 moves to correspond with the first groove 531, and the first spiral guide surface 5212 contacts the second spiral guide surface 5311. The compressed second elastic member 510 recovers and pushes the movable assembly 530 toward the rotating member 521. Guided by the first spiral guide surface 5212 and the second spiral guide surface 5311, the two rotating members 521 rotate relative to each other, causing the first protrusion 5211 to engage with the first groove 531, thereby driving the two protective covers 300 to rotate and close together via the two cover pivots 400.

[0075] In some embodiments, the two rotating pins 220 and the button pin 210 are connected by a transmission mechanism, thereby enabling a kinematic connection between them. This allows one of the rotating pins 220 and the button pin 210 to rotate when in motion, thus making the opening and closing of the pin device 1 more convenient and efficient. The following is one embodiment of the transmission connection structure between the two rotating pins 220 and the button pin 210:

[0076] In some embodiments, as shown in Figures 3 to 5, the plug device 1 may include a first drive mechanism 600, through which two rotating plugs 220 and a button plug 210 can be connected. During movement of the button plug 210 relative to the main body 100, the first drive mechanism 600 can drive the two rotating plugs 220 to rotate, thereby changing the plug device 1 from a usage state to a storage state.

[0077] In some embodiments, as shown in Figures 4 and 5, the pin device 1 may include a connecting spindle 700, which can be connected to two rotating pins 220. The first drive mechanism 600 may include a first transmission gear 610, a moving assembly 620, and a first elastic member 630. The first transmission gear 610 is fixedly sleeved on the connecting spindle 700. The moving assembly 620 may have a receiving groove 621, in which the first transmission gear 610 is disposed, and the outer periphery of the first transmission gear 610 meshes with a portion of the inner wall of the receiving groove 621. One end of the first elastic member 630 is provided with a connecting body portion 100, and the other end abuts against the moving assembly 620.

[0078] Optionally, the first transmission gear 610 can be an incomplete gear. A portion of the inner wall of the receiving groove 621 can also be provided with gears, so that the first transmission gear 610 meshes with the inner wall of the moving assembly 620. The arrangement of the gears on the inner wall of the receiving groove 621 and the gears in the first transmission gear 610 corresponds to the rotational stroke of the two rotating pins 220, so that the moving assembly 620 can rotate the connecting spindle 700 by acting on the first transmission gear 610. The connecting spindle 700 further drives the two rotating pins 220 to rotate between a preset direction and a direction perpendicular to the preset direction.

[0079] The movable assembly 620 has one end facing away from the first elastic member 630 in contact with the button pin 210. During the switching between the use state and the storage state of the pin device 1, the button pin 210 or the first elastic member 630 pushes the movable assembly 620 to move, and the movable assembly 620 drives the first transmission gear 610 to rotate, thereby driving the main shaft 700 to rotate.

[0080] In some embodiments, as shown in Figures 4 and 5, the button pin 210 may have a first inclined surface 211 on the side facing the movable component 620, and the first inclined surface 211 may be inclined away from the movable component 620. The movable component 620 may have a second inclined surface 622 at the end that contacts the button pin 210. The button pin 210 guides the movable component 620 to move through the first inclined surface 211 and the second inclined surface 622.

[0081] Specifically, when the pin device 1 is in the retracted state, the button pin 210 is in the retracted position, the moving kit 620 contacts the first inclined surface 211 near one end of the moving kit 620, or the second inclined surface 622 disengages from the first inclined surface 211, the first elastic member 630 is compressed by the moving kit 620, and the first transmission gear 610 is located in the receiving groove 621 at one end away from the first elastic member 630.

[0082] During the process of the pin device 1 changing from the storage state to the use state, the button pin 210 moves away from the main body 100 along its extension direction. The first inclined surface 211 then moves to the position of the second inclined surface 622 and gradually faces the second inclined surface 622. The compressed first elastic member 630 elastically recovers and pushes the moving assembly 620 to move. The moving assembly 620 then moves towards the button pin 210 under the guidance of the first inclined surface 211 and the second inclined surface 622. The moving assembly 620 can rotate the main shaft 700 through the gear transmission of the groove wall of the receiving groove 621, so that the two rotating pins 220 rotate.

[0083] When the pin device 1 is in use, the movable kit 620 abuts against the end of the first inclined surface 211 away from the movable kit 620, and the first transmission gear 610 is located in the receiving groove 621 near the end of the first elastic member 630.

[0084] Furthermore, during the process of switching the plug device 1 from the use state to the storage state, the button plug 210 can move along its extension direction towards the main body 100. The button plug 210 pushes the moving kit 620 to move away from the button plug 210 through the first inclined surface 211 and the second inclined surface 622, so that the first transmission gear 610 moves to the end of the receiving groove 621 away from the first elastic member 630. The moving kit 620 further drives the first transmission gear 610 to rotate so that the rotating main shaft rotates, so that the two rotating plugs 220 rotate from the vertical direction of the preset direction to the preset direction, and the moving kit 620 compresses the first elastic member 630.

[0085] By setting the first drive mechanism 600, the pin device 1 can realize the transmission connection between the button pin 210 and the two rotating pins 220 with a simple structure. When the pin device 1 is switched between the storage state and the use state, the button pin 210 and the two rotating pins 220 can also move synchronously, thereby simplifying the use steps of the pin device 1 and making the use of the pin device 1 more convenient and faster.

[0086] In some embodiments, the button pin 210 can also be connected to the two protective covers 300 via a transmission mechanism. When one of the protective covers 300 or the button pin 210 moves, it can drive the other to rotate, thereby making the opening and closing of the pin device 1 more convenient and faster. The following is one embodiment of the transmission connection structure between the two protective covers 300 and the button pin 210:

[0087] In some embodiments, as shown in Figures 4 and 5, the pin device 1 may include a second transmission gear 800, which may be fixedly sleeved on a cover shaft 400. During rotation, the cover shaft 400 may drive the second transmission gear 800 to rotate. The button pin 210 may be provided with a rack portion 212, and the second transmission gear 800 may mesh with a portion of the rack portion 212.

[0088] Optionally, the rack portion 212 is provided along the extension direction of the key pin 210, and the extension direction of the key pin 210 may be perpendicular to a preset direction. In the extension direction of the key pin 210, one end of the key pin 210 may be the rack portion 212, and the other end may extend out of the main body 100 for insertion into the corresponding socket.

[0089] During the opening and closing of the two protective covers 300, the two cover shafts 400 drive the second transmission gear 800 to rotate, which in turn acts on the rack portion 212, causing the key pin 210 to move away from the main body portion 100 along its extension direction, so that the key pin 210 can move from the storage position to the insertion position, thereby realizing the opening of the pin device 1.

[0090] During the process of the button pin 210 moving from the insertion position to the storage position, the rack portion 212 can drive the second transmission gear 800 and the cover shaft 400 to rotate, thereby causing the two protective covers 300 to close together. Specifically, when the button pin 210 is pressed, the rack portion 212 moves along its extension direction towards the main body portion 100, thereby driving the second transmission gear 800 to rotate, which in turn drives one cover shaft 400 to rotate, thereby driving the other cover shaft 400 to rotate, so that the two protective covers 300 can close together and rotate.

[0091] The transmission configuration of the rack and pinion 212 and the second transmission gear 800 allows the pin device 1 to achieve a simple transmission connection between the key pin 210 and the two protective covers 300, which simplifies the use steps of the pin device 1 and simplifies the internal structure of the pin device 1.

[0092] Furthermore, when the button pin 210 is pressed and rotates towards the main body 100 from its insertion position, it drives the cover shaft 400 to rotate, thereby activating the second drive mechanism 500. This causes the first protrusion 5211 to leave the second groove 532 and turn towards the first groove 531. Therefore, the second drive mechanism 500 can further drive the two protective covers 300 to close together. Thus, under the action of the second drive mechanism 500, during the process of the two protective covers 300 closing together, the button pin 210 can also be moved towards the main body 100 via the cover shaft 400 and the second transmission gear 800. This ensures that the button pin 210 can be smoothly retracted to its storage position, and also ensures the storage process of the pin device 1, improving the feasibility of the pin device 1.

[0093] In some embodiments, the two rotating pins 220 and the two protective covers 300 are drive-connected, thereby enabling a kinetic connection between the two rotating pins 220 and the two protective covers 300, making the opening and closing of the pin device 1 more convenient and faster. The following is one embodiment of the drive-connection structure between the two protective covers 300 and the two rotating pins 220:

[0094] In some embodiments, as shown in Figures 4 and 5, the pin device 1 may include a third drive mechanism 900, through which the two rotating pins 220 and the two protective covers 300 are connected. As the two protective covers 300 open and close, they can drive the third drive mechanism 900, allowing the two rotating pins 220 to rotate.

[0095] Specifically, when the pin device 1 is in the retracted state, the third drive mechanism 900 can lock the two rotating pins 220, preventing them from being pushed by the first elastic element 630 or the button pin 210, thus fixing the two rotating pins 220 and making the structure of the pin device 1 more stable in the retracted state. When the pin device 1 needs to be opened for use, the third drive mechanism 900 can also unlock the two rotating pins 220 as the two protective covers 300 open. The rotation of the two protective covers 300 can drive the two rotating pins 220 to rotate, further opening the pin device 1.

[0096] This design makes the structure of the pin device 1 more stable, makes the use of the pin device 1 convenient and quick, and also improves the feasibility of the pin device 1.

[0097] In some embodiments, as shown in Figures 4, 5, and 8, the third drive mechanism 900 may include a pusher 910, a fixing member 920, a snap-fit ​​member 930, and a third elastic member 940. The pusher 910 may be sleeved on one end of the cover shaft 400 and contact the snap-fit ​​member 930. The snap-fit ​​member 930 may be fixedly sleeved on the rotating main shaft, and the fixing member 920 may be movably sleeved on the connecting main shaft 700 and contact the snap-fit ​​member 930. The third elastic member 940 is sleeved on the rotating main shaft, with one end abutting against the snap-fit ​​member 930 and the other end abutting against the main body 100.

[0098] The third elastic element 940 continuously abuts against the latching element 930, causing the latching element 930 to contact the fixing element 920. When the pin device 1 is in the retracted state, the fixing element 920 engages with the first step 931 of the latching element 930. The portion of the fixing element 920 facing the latching element 930 corresponds to the first step 931 of the latching element 930, allowing the fixing element 920 to engage with the first step 931 of the latching element 930. When the fixing element 920 engages with the first step 931 of the latching element 930, the latching element 930 restricts the rotation of the fixing element 920, thereby further restricting the rotation of the connecting spindle 700 and limiting the rotation of the two rotating pins 220.

[0099] As the two protective covers 300 open and close, the pusher 910 pushes the latching member 930 away from the fixing member 920, compressing the third elastic member 940, and the fixing member 920 disengages from the first step 931 of the latching member 930. The pusher 910 can act on the latching member 930 as the cover body pivot 400 rotates, allowing the latching member 930 to move in the extending direction of the connecting main shaft 700.

[0100] Optionally, the outer surface of the pusher 910 can be elliptical cylindrical, meaning that the cross-section of the pusher 910 in the extension direction of the connecting main shaft 700 is elliptical, and its cross-sectional area has different lengths in different directions. When the pin device 1 is in the retracted state, the shorter end of the pusher 910 in the extension direction of the connecting main shaft 700 abuts against the latching member 930. Then, if the cover shaft 400 rotates, the cover shaft 400 drives the pusher 910 to rotate, causing the longer end of the pusher 910 to gradually contact the latching member 930, thereby pushing the latching member 930 to move away from the latching member 930. Of course, in other embodiments, the pusher 910 can be other shapes or components, such as a cuboid shape.

[0101] Furthermore, after the fixing member 920 disengages from the first step 931 of the snap-fit ​​member 930, under the elastic action of the first elastic member 630, the first elastic member 630 further pushes the first transmission gear 610 to rotate and drives the connecting spindle 700 to rotate. The connecting spindle 700 further drives the fixing member 920 to rotate relative to the snap-fit ​​member 930.

[0102] This design makes the result of the pin device 1 simpler and more stable, and makes the structure of the pin device 1 more stable when it is in the storage state.

[0103] In some embodiments, as shown in FIG8, the snap-fit ​​member 930 may be provided with a second step 932 and a receiving groove 933, with the first step 931 and the second step 932 respectively disposed at both ends of the receiving groove 933. In the extension direction of the connecting spindle 700, the first step 931 may be further away from the fixing member 920 than the second step 932. The fixing member 920 has a protrusion 921 on the side facing the snap-fit ​​member 930.

[0104] When the pin device 1 is in the retracted state, the protrusion 921 abuts against the first step 931. When the pin device 1 is in the use state, the protrusion 921 abuts against the second step 932. When the pin device 1 switches between the retracted state and the use state, the protrusion 921 rotates relative to the snap-fit ​​member 930 within the receiving groove 933.

[0105] Specifically, during the transition of the pin device 1 from its stored state to its usable state, the two cover shafts 400 drive the pusher 910 to rotate. The pusher 910 further pushes the latching member 930 away from the fixing member 920, causing the protrusion 921 to disengage from the first step 931. At this time, the fixing member 920 and the connecting spindle 700 can rotate under the drive of the first drive mechanism 600. The protrusion 921 of the fixing member 920 can rotate relative to the latching member 930 within the receiving groove 933. When the protrusion 921 of the fixing member 920 abuts against the second step 932, the second step 932 stops the fixing member 920, causing the fixing member 920 and the rotating spindle to stop rotating, thereby stopping the two rotating pins 220 from rotating. At this time, the pin device 1 is in its usable state.

[0106] Conversely, during the retraction of the pin device 1, the two rotating pins 220 rotate, causing the protrusion 921 of the fixing member 920 to rotate within the receiving groove 933 to move away from the second step 932. When the protrusion 921 rotates to the position corresponding to the first step 931, the pushing member 910 and the third elastic member 940 can push the locking member 930 to move closer to the fixing member, so that the protrusion 921 and the first step 931 are locked together.

[0107] This configuration allows the fixing member 920 to be further connected to the main shaft 700 via the snap-fit ​​connector 930, which limits the position of the two button pins 210. This ensures that when the pin device 1 is in the storage or use state, the two button pins 210 are in a preset direction or perpendicular to the preset direction, and are less likely to exceed their travel range during rotation, thus damaging other components. This makes the mechanism of the pin device 1 more compact and stable.

[0108] Optionally, the number of pushing members 910 can be the same as the number of cover rotating shafts 400, with each pushing member 910 correspondingly fitted onto one end of each cover rotating shaft 400. For example, there can be four cover rotating shafts 400 and four pushing members 910, with two cover rotating shafts 400 located on one side of the connecting main shaft 700 and the other two on the other side. All four pushing members 910 are in contact with the locking member 930, and all four pushing members 910 can drive the locking member 930 to move as the cover rotating shaft 400 rotates. The contact of four pushing members 910 with the locking member 930 enhances the force balance of the locking member 930, making the structure of the pin device 1 more stable.

[0109] During the opening of the pin device 1, the two protective covers 300 rotate along a preset direction, while the two rotating pins 220 rotate from the preset direction to a direction perpendicular to the preset direction. Therefore, during the opening of the pin device 1, the two protective covers 300 and the two rotating pins 220 may block each other, preventing the pin device 1 from being opened and used. However, the arrangement of the pusher 910 in the third drive mechanism 900 of this application can also prevent the movement of the two protective covers 300 and the two rotating pins 220 from blocking each other.

[0110] During the opening of the pin device 1, the two protective covers 300 are pried open and open to each other first. The two protective covers 300 drive the two cover shafts 400 to rotate, and the two cover shafts 400 drive the pusher 910 to rotate. However, as the pusher 910 rotates and pushes the latching member 930 away from the fixing member 920, the protrusion 921 and the first step 931 have not yet disengaged. The fixing member 920 is still blocked by the latching member 930 and cannot rotate. Therefore, the two rotating pins 220 do not rotate.

[0111] When the two protective covers 300 are opened to the corresponding positions in the use state, the pusher 910 rotates to push the latch 930 so that the protrusion 921 disengages from the first step 931. At this time, the latch 930 releases the lock on the fixing member 920, thereby allowing the connecting spindle 700 to drive the fixing member 920 and the two button pins 210 to rotate.

[0112] Therefore, the setting of the pusher 910 can minimize the interference between the two protective covers 300 and the two rotating pins 220 during the opening of the pin device 1, thereby improving the feasibility of the pin device 1.

[0113] During the retraction of the pin device 1, the two protective covers 300 rotate along a preset direction to close together, and the two rotating pins 220 rotate from the direction perpendicular to the preset direction to the preset direction. The two protective covers 300 and the two rotating pins 220 may interfere with each other, preventing the pin device 1 from retracting. Similarly, to solve this problem, a delay device can be provided in the main body 100 to prevent the two protective covers 300 and the two rotating pins 220 from interfering with each other.

[0114] For example, in some embodiments, as shown in Figures 4 and 5, the second transmission gear 800 may include a limiting groove 810, and a cover shaft 400 includes an actuating post 410 extending into the limiting groove 810.

[0115] As the two protective covers 300 open, the actuating post 410 gradually approaches and contacts one side wall of the limiting groove 810 to drive the second transmission gear 800 to rotate. While the actuating post 410 approaches but does not yet contact one side wall of the limiting groove 810, the two protective covers 300 rotate, causing the cover shaft 400 to rotate, while the second transmission gear 800 remains stationary, thus keeping the button pin 210 stationary. Only when the actuating post 410 abuts against one side wall of the limiting groove 810 can the actuating post 410 drive the second transmission gear 800 to rotate, thus moving the button pin 210.

[0116] As the button pin 210 moves from the plugged position to the retracted position, the other side wall of the limiting groove 810 gradually approaches and contacts the actuating post 410 to push the actuating post 410 to rotate. Specifically, during the process of changing the pin device 1 from the plugged position to the retracted position, the button pin 210 is pressed and moves. The button pin 210 drives the first drive mechanism 600 to drive the two rotating pins 220 to rotate. At the same time, the button pin 210 also drives the second transmission gear 800 to drive, so that the other side wall of the limiting groove 810 gradually approaches the actuating post 410.

[0117] Therefore, before the other side wall of the limiting groove 810 contacts the actuating post 410, the two protective covers 300 remain stationary, while the two rotating pins 220 rotate. After the other side wall of the limiting groove 810 contacts the actuating post 410, the second transmission gear 800 further rotates the cover shaft 400 by pushing the actuating post 410, thereby driving the two cover shafts 400 to rotate, thus making it difficult for the two protective covers 300 and the two rotating pins 220 to block each other.

[0118] The length of the limiting groove 810 corresponds to a certain rotation angle of the protective cover 300, so that after the other side wall of the limiting groove 810 contacts the actuating post 410, the two rotating pins 220 have rotated to a position that is not easy to stop the rotation of the two protective covers 300.

[0119] This design minimizes interference between the two protective covers 300 and the two rotating pins 220 during the storage of the pin device 1, thereby improving the feasibility of the pin device 1.

[0120] Based on the above structural description of the pin device 1, the process of the pin device 1 changing from the storage state to the use state and from the use state to the storage state is described below by way of example:

[0121] When the pin device 1 is in the retracted state, the button pin 210 is in the retracted position relative to the main body 100, and the two rotating pins 220 are arranged with the button pin 210 in a preset direction. At this time, in the first drive mechanism 600, the moving component 620 contacts the end of the first inclined surface 211 near the moving component 620, or the second inclined surface 622 disengages from the first inclined surface 211. The connecting spindle 700 and the first transmission gear 610 are located in the receiving groove 621 at the end away from the first elastic member 630, and the first elastic member 630 is compressed. In the second drive mechanism 500, the first groove 531 and the first protrusion 5211 engage with each other, and the first spiral guide surface 5212 and the second spiral guide surface 5311 abut against each other. In the third transmission mechanism, the protrusion 921 of the fixing member 920 engages with the first step 931 of the snap-fit ​​member 930, and the shorter end of the push member 910 abuts against the snap-fit ​​member 930.

[0122] During the transition of the pin device 1 from the storage state to the use state, the two protective covers 300 are pried open, causing the two protective covers 300 to drive the two cover body rotating shafts 400 to rotate. The pusher 910 on the cover body rotating shafts 400 rotates, causing the pusher 910 to rotate so that the longer cross-section end of the pusher 910 gradually contacts the latching member 930, pushing the latching member 930 away from the latching member 930. After the two protective covers 300 rotate to the position corresponding to the use state, the cover body rotating shafts 400 drive the pusher 910 until the longer cross-section end of the pusher 910 contacts the latching member 930. At this time, the protrusion 921 of the fixing member 920 disengages from the first step 931 of the latching member 930, and the fixing member 920 is no longer restricted or stopped by the latching member 930.

[0123] Simultaneously, as the two protective covers 300 open and the drive cover shaft 400 rotates, the first protrusion 5211 of the two rotating members 521, guided by the first spiral guide surface 5212 and the second spiral guide surface 5311, pushes the movable kit 530 away from the rotating member 521, thereby compressing the second elastic member 510. After the first spiral guide surface 5212 disengages from the second spiral guide surface 5311, a portion of the first protrusion 5211 engages with the second groove 532 at the end of the second spiral guide surface 5311, at which point the two protective covers 300 move to the position corresponding to the usage state.

[0124] Simultaneously, as the two protective covers 300 are pried open, causing the cover shaft 400 to rotate, the actuating post 410 on the cover shaft 400 gradually approaches one side wall of the limiting groove 810 of the second transmission gear 800. When the actuating post 410 rotates to abut against one side wall of the limiting groove 810, it pushes the second transmission gear 800 to rotate, thereby driving the button pin 210 to move. The button pin 210 leaves the storage position and moves away from the main body 100 along its extension direction. When the two protective covers 300 move to the position corresponding to the use state, the button pin 210 moves to the insertion position and stops moving.

[0125] As the key pin 210 moves away from its storage position and extends away from the main body 100 along its extension direction, the first inclined surface 211 of the key pin 210 moves to the position opposite to the second inclined surface 622 of the moving assembly 620. The compressed first elastic member 630 elastically recovers and pushes the moving assembly 620 to move. The moving assembly 620 then moves closer to the key pin 210, and the moving assembly 620 can be connected to the main shaft 700 for rotation via gear transmission through the wall of the receiving groove 933, so that the two rotating pins 220 rotate. Moreover, during the rotation of the connecting main shaft 700, it drives the protrusion 921 of the fixing member 920 to rotate in the receiving groove 933.

[0126] When the movable assembly 620 moves to the end that abuts against the first inclined surface 211 away from the movable assembly 620, the movable assembly 620 is stopped by the rack portion 212. The first transmission gear 610 is located in the receiving groove 933 near the end of the first elastic member 630, and the two rotating pins 220 rotate to the vertical direction of the preset direction. In the third drive mechanism 900, the protrusion 921 of the fixing member 920 abuts against the second step 932 of the snap-fit ​​member 930. At this time, the pin device 1 is in use.

[0127] During the transition from the storage state to the use state of the pin device 1, the button pin 210 is pressed and moves towards the main body 100. The button pin 210 pushes the moving assembly 620 away from the button pin 210 via the first inclined surface 211 and the second inclined surface 622. The moving assembly 620 further drives the first transmission gear 610 to rotate, causing the connecting spindle 700 to rotate. The connecting spindle 700 then drives the two rotating pins 220 to rotate from the vertical direction of the preset direction to the preset direction, and the moving assembly 620 compresses the first elastic member 630. During the rotation of the connecting spindle 700, the fixing member 920 is driven to rotate. The protrusion 921 on the fixing member 920 disengages from the second step 932 and rotates towards the first step 931 in the receiving groove 933.

[0128] Simultaneously, the second transmission gear 800, which drives the movement of the button pin 210, rotates, and the other side wall of the limiting groove 810 on the second transmission gear 800 gradually approaches the actuating post 410. Before the other side wall of the limiting groove 810 contacts the actuating post 410, the two protective covers 300 remain stationary.

[0129] After the other side wall of the limiting groove 810 on the second transmission gear 800 abuts against the actuating post 410, the second transmission gear 800 further rotates the cover shaft 400 by pushing the actuating post 410, thereby driving the two cover shafts 400 to rotate and thus driving the two protective covers 300 to rotate. During the rotation of the two cover shafts 400, the two cover shafts 400 drive the pusher 910 to rotate, so that the shorter end of the pusher 910 gradually contacts the locking member 930.

[0130] Furthermore, during the rotation of the two covers, the two rotating parts 521 are also driven to rotate towards the first groove 531 to disengage from the second groove 532. Further, after the two rotating parts 521 disengage from the second groove 532, the compressed second elastic element 510 recovers and pushes the movable assembly 530 towards the rotating parts 521. Guided by the first spiral guide surface 5212 and the second spiral guide surface 5311, the two rotating parts 521 rotate relative to each other, causing the first protrusion 5211 to engage with the first groove 531, thereby driving the two protective covers 300 to rotate and close together via the two cover shafts 400. Under the action of the second drive mechanism 500, during the process of the two protective covers 300 closing together, the key pins 210 can also be moved towards the main body 100 via the cover shafts 400 and the second transmission gear 800, ensuring that the key pins 210 can retract to the storage position.

[0131] When the two protective covers 300 are closed together, the button pin 210 reaches the storage position, the pin 220 is rotated to the preset direction, the moving component 620 contacts the first inclined surface 211 near one end of the moving component 620 or the second inclined surface 622 disengages from the first inclined surface 211, and the moving component 620 stops moving, and the first transmission gear 610 is located in the receiving groove 933 at one end away from the first elastic member 630.

[0132] When the two rotating pins 220 rotate to the preset direction, the protrusion 921 of the fixing member 920 corresponds to the first step 931 of the locking member 930. The third elastic member 940 pushes the locking member 930 to move closer to the fixing member 920, so that the protrusion 921 of the fixing member 920 and the first step 931 of the locking member 930 engage with each other. The locking member 930 again restricts the rotation of the fixing member 920 to limit the two rotating pins 220 to the preset direction. At this time, the pin device 1 is in the retracted state.

[0133] The following is an exemplary description of the plug assembly in the embodiments of this application.

[0134] As shown in Figure 9, plug assembly 2 consists of a connector for general electronic products and a pin for electrical appliances, also known as a plug, which is used to connect electronic products and other devices to a power source or to other electronic products. For example, plug assembly 2 can be a British standard plug, an Australian standard plug, a Japanese standard plug, etc.

[0135] As shown in Figures 9 and 11, the plug assembly 2 may include a main body 100 and a pin assembly 200.

[0136] The main body 100 may have a thickness direction and a width direction that are perpendicular to each other, and the dimension of the main body 100 in the thickness direction may be smaller than its dimension in the width direction. The thickness direction of the main body 100 may be as shown in direction D in Figure 9, and the dimension of the main body 100 in the thickness direction O may be as shown in thickness a in Figure 9. The width direction of the main body 100 may be as shown in direction B in Figure 9, and the dimension of the main body 100 in the width direction P may be as shown in thickness b in Figure 9, where a is smaller than b.

[0137] The pin assembly 200 can be disposed on the main body 100, including a pin base 210A and two first pins 220A arranged side-by-side and spaced apart on the pin base 210A. The pin base 210A is rotatably disposed on the main body 100 about a preset axis, so as to drive the two first pins 220A to rotate relative to the main body 100 about the preset axis. The preset axis can be shown as axis Q in Figure 9.

[0138] Optionally, the plug assembly 2 has a retracted state and a used state. When the plug assembly 2 is in the retracted state, the two first pins 220A can be arranged at intervals along the width direction P. When the plug assembly 2 is in the used state, the two first pins 220A are arranged along the thickness direction O.

[0139] When the plug assembly 2 is in use, the two first prongs 220A can be located in the position shown in Figure 9, at which time the two first prongs 220A are in the use position. When the plug assembly 2 is in the storage position, the two first prongs 220A can be located in the positions shown in Figures 10 and 11, at which time the two first prongs 220A are in the storage position.

[0140] This configuration allows the two first prongs 220A to be arranged in the thickness direction O of the larger main body 100 when the plug assembly 2 is in use. When the plug assembly 2 is not in use, the two first prongs 220A can be arranged in the width direction P of the smaller main body 100. This allows the plug assembly 2 to be stored in a smaller space, making it easier to store, carry, and transport.

[0141] In some embodiments, as shown in Figures 9 and 11, the pin assembly 200 may further include a second pin 230, which is fixed to the main body 100 and disposed on one side of the two first pins 220A. Optionally, the two first pins 220A may be positive and negative pins in the plug assembly 2, and the second pin 230 may be a grounding pin of the plug assembly 2.

[0142] Specifically, the extension direction of the second pin 230 is consistent with the extension direction of the two first pins 220A, wherein the extension direction can be perpendicular to both the thickness direction O and the width direction P of the main body 100. When the pin assembly 200 is in the retracted state, the second pin 230 and the two first pins 220A can be arranged sequentially in the width direction P. This arrangement allows the second pin 230 and the two first pins 220A to be in a straight line after the plug assembly 2 is retracted, thereby reducing the storage space occupied by the plug assembly 2 and enabling the plug assembly 2 to achieve an ultra-thin size, facilitating the storage and transportation of the plug assembly 2.

[0143] In some embodiments, as shown in Figures 9 to 11, the plug assembly 2 may include two protective covers 300 rotatably connected to the main body 100 along the width direction P. When the plug assembly 2 is in use, the two protective covers 300 are open to expose the pin assembly 200. When the plug assembly 2 is in a retracted state, the two protective covers 300 are closed to each other along the thickness direction O to cover at least a portion of the pin assembly 200.

[0144] Specifically, one end of each of the two protective covers 300 can be connected to the main body 100, and the other end can rotate relative to the main body 100 to move closer to or further away from the second pin 230 and the two first pins 220A. In the thickness direction O of the main body 100, the two protective covers 300 are arranged sequentially and disposed on both sides of the second pin 230 and the two first pins 220A.

[0145] The rotation axes of the two protective covers 300 are parallel to each other in the width direction P, and the two protective covers 300 are rotatable relative to the main body 100 about their rotation axes. When the plug assembly 2 is in use, the positions of the two protective covers 300 are as shown in Figure 9, and the two protective covers 300 are open at an angle to each other. When the plug assembly 2 is in the retracted state, the positions of the two protective covers 300 are as shown in Figure 11, and the two protective covers 300 are closed together along the thickness direction O to cover at least a portion of the plug assembly 200.

[0146] Optionally, when the plug assembly 2 is in use, the included angle between the two protective covers 300 can be greater than or equal to 90°. For example, the included angle between the two protective covers 300 can be 90°, 100°, or 120°.

[0147] This configuration allows the plug assembly 2 to be in use, with the two protective covers 300 opening at an angle to expose the prong assembly 200. The two first prongs 220A can be inserted into their respective sockets, and the two first prongs 220A have sufficient space to rotate relative to the main body 100, thus enabling the plug assembly 2 to smoothly transition to a retracted state. When the plug assembly 2 is in the retracted state, the two protective covers 300 close together to cover at least a portion of the prong assembly 200, protecting it.

[0148] In some embodiments, as shown in Figures 9 to 11, the two protective covers 300 and the plug base 210A can be drivenly connected, and the plug assembly 2 can be switched between a storage state and a use state through the driving engagement between the protective covers 300 and the plug base 210A.

[0149] Since the plug base 210A is fixedly connected to the two first plugs 220A, the two protective covers 300 can also be kinetically connected to the two first plugs 220A. Specifically, during the transition of the plug assembly 2 from a retracted state to a usable state, the two protective covers 300 open relative to each other, driving the two first plugs 220A to rotate relative to the main body 100 around a preset axis. During the rotation of the two first plugs 220A from the usable position to the retracted position, the two protective covers 300 can rotate from being open to being closed.

[0150] By linking the movement of the two protective covers 300 and the two first prongs 220A, the first prongs 220A can gradually move from the storage position to the use position as the two protective covers 300 open. Conversely, as the two first prongs 220A rotate from the use position to the storage position, the two protective covers 300 can close together, thus storing the plug assembly 2. This design simplifies the steps of opening and closing the plug assembly 2, making it easier to use and store, thereby improving the ease of use of the plug assembly 2.

[0151] The following is one embodiment of the transmission connection structure between the two protective covers 300 and the pin base 210A:

[0152] In some embodiments, as shown in Figures 12 and 13, the plug assembly 2 may include a pin pivot 500A disposed along a predetermined axis, two cover pivots 400 disposed along the rotation axes of the two protective covers 300, and a transmission mechanism 600A. The pin pivot 500A is connected to the two cover pivots 400 via the transmission mechanism 600A. The pin pivot 500A may be fixedly connected to the pin base 210A. Furthermore, the pin pivot 500A is rotatably supported on the main body 100.

[0153] The two cover pivots 400 are fixedly connected to the two protective covers 300 in a one-to-one correspondence. The two cover pivots 400 are rotatable relative to the main body 100. The two cover pivots 400 are connected by a transmission and are configured to rotate in opposite directions.

[0154] Specifically, when one of the two cover shafts 400 rotates, it can drive the other to rotate in the opposite direction, so that the two cover shafts 400 can drive the two protective covers 300 to rotate and present an open shape.

[0155] At least one of the two cover pivots 400 is connected to the pin pivot 500A via a transmission mechanism 600A. Therefore, when one of the two protective covers 300 is turned and opened relative to the other, the two cover pivots 400 further transmit power to the pin pivot 500A via the transmission mechanism 600A, causing the pin pivot 500A to rotate the two first pins 220A. When the two first pins 220A rotate from the use position to the storage position, the two cover pivots 400 can be driven by the pin pivot 500A and the transmission mechanism 600A, thereby causing the two protective covers 300 to rotate and close together, thus converting the plug assembly 2 to the storage state.

[0156] This design allows the movement of the two protective covers 300 and the two first pins 220A to be linked. During the movement of one of the two protective covers 300 or the two first pins 220A, the movement of the other can be driven, thereby simplifying the steps of using the plug assembly 2 during opening and closing, making it easier to open, use and store the plug assembly 2, and thus improving the ease of use of the plug assembly 2.

[0157] In some embodiments, as shown in Figures 13 and 14, the transmission mechanism 600A includes an actuating element 650 and a transmission fixing element 710. The actuating element 650 is rotatably sleeved on the plug shaft 500A and is drively connected to at least one of the two cover shafts 400. The transmission fixing element 710 is fixedly sleeved on the plug shaft 500A, and the actuating element 650 and the transmission fixing element 710 are detachably drively connected.

[0158] When the actuating element 650 and the transmission fixing element 710 are engaged in transmission, the actuating element 650 can be connected to the transmission fixing element 710 in a transmission manner, so that one of the actuating element 650 and the transmission fixing element 710 drives the other to rotate during rotation. In other words, when the actuating element 650 and the transmission fixing element 710 are engaged in transmission, the pin shaft 500A can be connected to the two cover shafts 400 through the actuating element 650 and the transmission fixing element 710. At this time, the first pin 220A and the protective cover 300 will drive the other to rotate during rotation.

[0159] When the actuating element 650 and the transmission fixing element 710 are disengaged, the actuating element 650 and the transmission fixing element 710 are separated from each other, so that at least one of the actuating element 650 and the transmission fixing element 710 does not interfere with the other during rotation. In other words, when the actuating element 650 and the transmission fixing element 710 are disengaged, the pin shaft 500A is disengaged from the two cover shafts 400, and at this time, one of the two first pins 220A and the two protective covers 300 does not interfere with the other during rotation.

[0160] This configuration allows for flexible switching of the transmission relationship between the pin pivot 500A and the two cover pivots 400, enabling the two protective covers 300 and the two first pins 220A to move in tandem or move separately, thus making the plug assembly 2 more convenient to use.

[0161] Optionally, as shown in Figure 14, the transmission fixing member 710 may be provided with a clutch groove 711 in the circumferential direction. The actuating member 650 may be provided with an actuating arm 651, which may extend into the clutch groove 711.

[0162] When the actuating arm 651 separates from the two end sidewalls of the clutch groove 711, the actuating element 650 is disengaged from the transmission fixing element 710. When the actuating arm 651 and one of the two end sidewalls abut against each other, the actuating element 650 is engaged with the transmission fixing element 710.

[0163] In some embodiments, as shown in FIG14, the transmission mechanism 600A may include a transmission shaft 610A, a first transmission gear 620A, a second transmission gear 630A, and a first bevel gear 640.

[0164] The drive shaft 610A is rotatably supported on the main body 100. The first drive gear 620A can be fixedly sleeved on one of the two cover shafts 400, and the second drive gear 630A is fixedly sleeved on the drive shaft 610A. The first drive gear 620A and the second drive gear 630A mesh with each other.

[0165] The first bevel gear 640 is fixedly sleeved on the drive shaft 610A, and the actuating member 650 is rotatably sleeved on the pin shaft 500A so as to be able to rotate relative to the pin shaft 500A. The first bevel gear 640 and the actuating member 650 mesh with each other.

[0166] Since the two cover shafts 400 are mutually driven, one of the two cover shafts 400 can drive the first transmission gear 620A to rotate when it rotates, and the first transmission gear 620A can further drive the second transmission gear 630A to rotate. Since the second transmission gear 630A and the first bevel gear 640 are fixedly sleeved on the transmission shaft 610A, the second transmission gear 630A can drive the first bevel gear 640 to rotate by driving the transmission shaft 610A. The first bevel gear 640 can drive the actuating member 650 to drive the pin shaft 500A to rotate, thereby driving the pin base 210A and the two first pins 220A to rotate.

[0167] Conversely, during the rotation of the two first pins 220A between the use position and the storage position, the pin shaft 500A can sequentially drive the actuating component 650, the first bevel gear 640, the transmission shaft 610A, the second transmission gear component 630A, the first transmission gear component 620A, and the two cover shafts 400 to rotate, thereby further driving the two protective covers 300 to rotate.

[0168] By setting the transmission mechanism 600A as described above, the rotation of the two protective covers 300 and the two first pins 220A can be linked, so that the plug assembly 2 can be retracted to the storage state with one click or opened to the use state in one step, thereby simplifying the process of opening the plug assembly 2 to the use state and retracting it to the storage state, and improving the convenience of the plug assembly 2.

[0169] Optionally, the actuating element 650 can be a bevel gear. The bevel gear-shaped actuating element 650 can easily mesh with the first bevel gear 640 to facilitate transmission between the first bevel gear 640 and the actuating element 650. Of course, in other embodiments, the actuating element 650 can also be an incomplete gear or other components.

[0170] Optionally, the first transmission gear 620A can be an incomplete gear. Specifically, an incomplete gear means that the first transmission gear 620A has gears only on its circumferential side. This configuration reduces the space occupied by the first transmission gear 620A, resulting in a smaller space occupied by the plug assembly 2. Of course, in other embodiments, the first transmission gear 620A can also have gears on its entire circumferential side.

[0171] In some embodiments, as shown in Figures 14, 15, and 16, the plug assembly 2 includes a first sub-drive mechanism 800A, which is drively connected to at least one of the two cover shafts 400. The first sub-drive mechanism 800A is used to drive the two cover shafts 400 to rotate.

[0172] Optionally, when the actuating member 650 is disengaged from the transmission fixing member 710, the first sub-drive mechanism 800A can drive the two cover shafts 400 to rotate, so that the two protective covers 300 open or close to each other.

[0173] The first sub-drive mechanism 800A may include a first elastic reset member 810A, a fixed component 820, and a movable component 830.

[0174] The fixed component 820 can be fixedly sleeved on the corresponding cover rotation shaft 400 to rotate with the cover rotation shaft 400. The movable component 830 is sleeved on the cover rotation shaft 400 and is connected to the fixed component 820 in a transmission manner. When the fixed component 820 rotates, it drives the movable component 830 to slide relative to the cover rotation shaft 400 and rotate relative to the cover rotation shaft 400. One end of the first elastic reset member 810A is fixed relative to the main body 100, and the other end is elastically supported on the side of the movable component 830 away from the fixed component 820.

[0175] Optionally, as shown in Figures 14 to 16, the setting direction of the cover pivot 400 can be the width direction P of the main body 100. The first elastic reset member 810A, the movable component 830 and the fixed component 820 can be arranged sequentially in the width direction P of the main body 100. The movable component 830 can also slide in the width direction P of the main body 100.

[0176] Optionally, the fixed component 820 may be provided with a first sub-spiral guide surface 821 that is inclined relative to the axis of the cover rotation shaft 400, and the movable component 830 may be provided with a second sub-spiral guide surface 831 that is inclined relative to the axis of the cover rotation shaft 400.

[0177] The first sub-spiral guide surface 821 and the second sub-spiral guide surface 831 can abut against each other.

[0178] Specifically, when the plug assembly 2 is in use, the positional relationship between the movable component 830 and the fixed component 820 is shown in Figures 14 and 15. During the opening and closing of the two protective covers 300, the fixed component 820, as the cover shaft 400 rotates, pushes the movable component 830 relative to the cover shaft 400 via the first sub-spiral guide surface 821 and the second sub-spiral guide surface 831, causing the first elastic reset member 810A to elastically compress. During this process, the movable component 830 moves away from the fixed component 820, and the sliding of the movable component 830 stops when the plug assembly 2 is in use. In other words, the rotation process of the fixed component 820, the sliding process of the movable component 830, and the rotation process of the two protective covers 300 all correspond to each other.

[0179] Furthermore, when the first elastic reset member 810A recovers its elasticity, it can push the movable component 830 to slide relative to the cover pivot 400, thereby driving the fixed component 820 to rotate via the first sub-spiral guide surface 821 and the second sub-spiral guide surface 831, which in turn causes the two protective covers 300 to close together. When the plug assembly 2 is in the retracted state, the positional relationship between the movable component 830 and the fixed component 820 is shown in Figure 16.

[0180] Therefore, even when the actuating member 650 and the transmission fixing member 710 are disengaged, the two protective covers 300 can still continue to rotate under the drive of the first sub-drive mechanism 800A. Thus, by setting the first sub-drive mechanism 800A, the first sub-drive mechanism 800A can completely drive the movement of the two protective covers 300, thereby allowing the plug assembly 2 to switch between a stored state and a used state, further ensuring the feasibility of the plug assembly 2.

[0181] In some embodiments, there may be two fixing components 820. The two fixing components 820 may be arranged side by side and fixed relative to each other, and each fixing component 820 may be fitted onto one of the two cover pivots 400. Optionally, the two cover pivots 400 may be able to drive each other through the two fixing components 820.

[0182] In some embodiments, as shown in Figures 15 and 16, the two fixing components 820 can be incomplete gears. The two fixing components 820 are arranged sequentially in the arrangement direction of the two cover shafts 400, and the gears mesh with each other, so that when one fixing component 820 rotates, it can drive the other fixing component 820 to rotate.

[0183] Specifically, if one protective cover 300 is pried open by an external force, the protective cover 300 will drive the cover body rotating shaft 400 connected to it to rotate, which in turn drives the fixing component 820 sleeved on the cover body rotating shaft 400 to rotate. During the rotation of this fixing component 820, it will drive the other fixing component 820 to rotate, thereby driving the other cover body rotating shaft 400 to rotate, and in turn driving the other protective cover 300 to rotate, so as to realize the transmission connection between the two protective covers 300.

[0184] This configuration allows the two protective covers 300 to move synchronously, thereby simplifying the internal structure and usage of the plug assembly 2 and improving its convenience.

[0185] In some embodiments, as shown in Figures 15 and 16, the movable component 830 may include a connecting portion 832 and two movable portions 833. The two movable portions 833 are spaced apart and correspondingly fitted onto the two cover pivots 400 and correspond to the two fixed components 820. The connecting portion 832 connects and fixes the two movable portions 833. There are two first elastic reset members 810A, corresponding to the two movable components 830 and abutting against the connecting portion 832.

[0186] The connecting part 832 and the two movable parts 833 can be arranged and connected along the width direction P of the main body 100. One end of the two movable parts 833 is connected to the connecting part 832, and the other end corresponds to the two fixing components 820. The two cover pivots 400 can be inserted through the connecting part 832, and the end of the connecting part 832 opposite to the two movable parts 833 can abut against the first elastic reset member 810A.

[0187] The first elastic reset element 810A can be a spring. In other embodiments, the first elastic reset element 810A can also be a torsion spring, a sheet spring, or other elastic element.

[0188] This configuration allows the movable component 830 to correspond to the two fixed components 820, which in turn correspond to the two cover pivots 400 and the two protective covers 300. This enables the plug assembly 2 to better control the two protective covers 300 through the movable component 830 and the fixed component 820, thereby improving the feasibility of the plug assembly 2.

[0189] In some embodiments, as shown in Figures 15 and 16, the sidewalls of the fixing component 820 may include at least two first guide walls 822 spaced apart from each other circumferentially, each first guide wall 822 having a first sub-helical guide surface 821. The sidewalls of the movable component 830 may include at least two second guide walls 834 spaced apart from each other axially, each second guide wall 834 having a second sub-helical guide surface 831. The at least two first guide walls 822 correspond one-to-one with the at least two second guide walls 834.

[0190] Optionally, at least two first guide walls 822 may be provided on the side of the movable part facing the fixed component 820.

[0191] Specifically, when the plug assembly 2 is in the retracted state, each first guide wall 822 is inserted between two adjacent second guide walls 834, and each second guide wall 834 is inserted between two adjacent first guide walls 822, with at least two first guide walls 822 and at least two second guide walls 834 being complementary in the circumferential direction.

[0192] Moreover, during the opening of the two protective covers 300, at least two first guide walls 822 and at least two second guide walls 834 can abut against each other in the circumferential direction, and the first sub-spiral guide surface 821 and the second sub-spiral guide surface 831 can also abut against each other, so that the first sub-spiral guide surface 821 and the second sub-spiral guide surface 831 can interact to guide the sliding of the active component 830.

[0193] Optionally, when the two protective covers 300 are closed together, the first resilient reset member 810A can abut against the movable component 830 so that the second guide wall 834 can abut against the first guide wall 822, thereby restricting the rotation between the fixed component 820 and the movable component 830.

[0194] With this configuration, the two adjacent second guide walls 834 and the first guide wall 822 can mutually limit each other, so that when the two protective covers 300 are closed, the fixed component 820 will not rotate relative to the movable component 830. During the opening and closing of the two protective covers 300, the two first guide walls 822 and at least two second guide walls 834 can further ensure the relative movement of the fixed component 820 and the movable component 830, thereby improving the feasibility and structural stability of the plug assembly 2.

[0195] In some embodiments, as shown in Figures 15 and 16, the fixed component 820 may be provided with a first stop step 823 at the end of the first sub-spiral guide surface 821, and the movable component 830 may be provided with a second stop step 835 at the end of the second sub-spiral guide surface 831.

[0196] During the process of the cover shaft 400 rotating and causing the two protective covers 300 to open, the cover shaft 400 drives the movable component 830 to slide away from the fixed component 820. The first sub-spiral guide surface 821 and the second sub-spiral guide surface 831 slide relative to each other until the first stop step 823 and the second stop step 835 stop each other, thereby preventing the cover shaft 400 from rotating and continuing to drive the movable component 830 to slide away from the fixed component 820. It also prevents the movable component 830 from moving towards the fixed component 820 under the action of the first elastic reset member 810A. At this time, when the plug assembly 2 is switched to the use state, the position of the two protective covers 300 can be fixed so that the two protective covers 300 remain open.

[0197] When the cover shaft 400 rotates and causes the two protective covers 300 to close together, the first stop step 823 and the second stop step 835 can disengage from each other, allowing the first sub-spiral guide surface 821 and the second sub-spiral guide surface 831 to slide relative to each other. Then, under the elastic force of the first elastic reset member 810A, the movable component 830 slides towards the fixed component 820. The movable component 830 then drives the fixed component 820 to rotate through the guidance of the first sub-spiral guide surface 821 and the second sub-spiral guide surface 831, thereby driving the rotation of the cover shaft 400 and the two protective covers 300.

[0198] The above settings make the connection between the movable component 830 and the fixed component 820 tighter, and make the mutual transmission between the movable component 830 and the fixed component 820 more precise, thereby ensuring that the two protective covers 300 can rotate smoothly.

[0199] In some embodiments, as shown in Figures 14, 16, and 17, the plug assembly 2 may include a second sub-drive mechanism 900A, which is kinetically connected to the pin shaft 500A. The second sub-drive mechanism 900A can be used to drive the pin shaft 500A to rotate. Optionally, when the actuating member 650 is disengaged from the transmission fixing member 710, the second sub-drive mechanism 900A can continuously drive the pin shaft 500A to rotate, so that the two first pins 220A can rotate between the use position and the storage position.

[0200] As shown in Figures 14 to 18, the main body 100 may include a support arm 110, which may have a support hole 111. Optionally, the second sub-drive mechanism 900A may include a swing arm 910A and a second elastic reset member 920A. The swing arm 910A has a contact end 911 that is fixedly in contact with the transmission fixing member 710. The contact end 911 can swing relative to the pin rotating shaft 500A, and the swing arm 910A is drively connected to the pin rotating shaft 500A to drive the pin rotating shaft 500A to rotate. The other end of the swing arm 910A passes through the support hole 111, and the second elastic reset member 920A elastically supports the support arm 110 and the swing arm 910A.

[0201] Optionally, the transmission fixing member 710 can be cylindrical, and the contact end 911 of the rocker arm 910A can be disposed on the outer peripheral surface of the transmission fixing member 710. The contact end 911 of the rocker arm 910A can rotate along the outer peripheral surface of the transmission fixing member 710. When the transmission fixing member 710 rotates, it can drive the rocker arm 910A to rotate, and when the rocker arm 910A rotates, it can also drive the transmission fixing member 710 to rotate.

[0202] The second elastic reset element 920A can be a spring. Of course, in other embodiments, the second elastic reset element 920A can also be an elastic element such as a sheet or a torsion spring.

[0203] In some embodiments, when the plug assembly 2 is switched between a retracted state and a used state, the contact end 911 rotates circumferentially along the transmission fixing member 710.

[0204] When the contact end 911 is at its shortest distance relative to the transmission fixing member 710, the contact end 911 and the support arm 110 have the shortest distance, and the second elastic reset member 920A is in an elastically compressed state. The shortest distance refers to the shortest distance from the support arm 110 to the transmission fixing member 710. The shortest distance can be represented by point H in Figures 18 and 19. When the contact end 911 is at its shortest distance relative to the transmission fixing member 710, the second elastic reset member 920A has the maximum elastic force.

[0205] As shown in Figure 19, when the plug assembly is in the retracted state, the contact end 911 is located on one side of the shortest pitch point. As shown in Figure 18, when the plug assembly 2 is in the use state, the contact end 911 is located on the other side of the shortest pitch point. When the contact end 911 moves away from the shortest pitch point, the second elastic reset member 920A uses elastic recovery to push the contact end 911 away from the shortest pitch point, thereby driving the transmission fixing member 710 to rotate.

[0206] Optionally, when the plug assembly 2 is in the retracted state, the actuating member 650 is disengaged from the transmission fixing member 710, and the contact end 911 is located on one side of the shortest pitch point. When the plug assembly 2 is in the use state, the actuating member 650 is disengaged from the transmission fixing member 710, and the contact end 911 is located on the other side of the shortest pitch point.

[0207] Specifically, during the process of the plug assembly 2 changing from the storage state to the use state, the two protective covers 300 can be pried open and drive the actuating member 650 to rotate, so that the actuating arm 651 of the actuating member 650 gradually approaches the groove wall of the clutch groove 711.

[0208] When the actuating arm 651 contacts the groove wall of the clutch groove 711, the actuating member 650 engages with the transmission fixing member 710. The actuating member 650 pushes the transmission fixing member 710 to rotate, which in turn pushes the pin shaft 500A to rotate. The contact end 911 rotates from the side of the shortest distance point toward the shortest distance point, and the second elastic reset member 920A is gradually compressed. After the contact end 911 rotates to the shortest distance point, when it exceeds the shortest distance point, the actuating member 650 and the transmission fixing member 710 disengage. The two protective covers 300 no longer continue to open, and the second elastic reset member 920A uses its elastic recovery to push the contact end 911 to move to the other side of the shortest distance point and away from the shortest distance point, so as to push the transmission fixing member 710 and the pin shaft 500A to rotate, thereby driving the two first pins 220A to rotate to the use position.

[0209] The length of the clutch groove 711 corresponds to the movement of the first pin 220A and the movement of the two protective covers 300. Specifically, when the two protective covers 300 open to each other and the transmission actuator 650 engages with the transmission fixing member 710, a certain distance can be formed between the two protective covers 300. For example, the included angle between the two protective covers 30°, 45°, 50°, 60°, etc., so that the two protective covers 300 do not easily obstruct the subsequent rotation of the two first pins 220A. The rotation speed of the two first pins 220A is set so that they do not easily contact the two protective covers 300 during rotation, thereby ensuring that the two protective covers 300 and the two first pins 220A do not easily interfere with each other.

[0210] By setting the swing arm 910A and the second elastic reset member 920A, the movement of the two first pins 220A can be further improved, so that the two first pins 220A can rotate even when the toggle member 650 and the transmission fixing member 710 are in a state of transmission separation, thereby enabling the two first pins 220A to rotate smoothly to the use position.

[0211] In some embodiments, as shown in FIG17, the pin assembly 200 may include a swing shaft 240A, and a transmission fixing member 710 may be fixedly connected to the pin rotating shaft 500A. The transmission fixing member 710 may include two opposing swing arm connecting arms 714.

[0212] The two swing arm connecting arms 714 may have a first pivot hole 715, and one end of the swing arm 910A has a second pivot hole 912. One end of the swing arm 910A is located between the two swing arm connecting arms 714. The swing shaft 240A passes through the second pivot hole 912, and both ends are located in the first pivot hole 715 on the two swing arm connecting arms 714 respectively.

[0213] With the above configuration, the rocker arm 910A can be fixedly connected to the transmission fixing member 710, thereby improving the structural stability of the plug assembly 2. Simultaneously, the arrangement of the swing shaft 240A passing through the second pivot hole 912 also allows the end of the rocker arm 910A connected to the swing shaft 240A to rotate relative to the pivot shaft 240A when the rocker arm 910A moves relative to the plug pivot shaft 500A under the drive of the transmission fixing member 710.

[0214] In some embodiments, as shown in Figures 17, 18, and 20, the plug assembly 2 includes a button assembly 1500, which corresponds to the second sub-drive mechanism 900A. When the plug assembly 2 is in use, the button assembly 1500 protrudes from the surface of the main body 100, and is used to push the second sub-drive mechanism 900A to rotate the two first pins 220A. Furthermore, by transmitting the second sub-drive mechanism 900A, the transmission mechanism 600A, and the first sub-drive mechanism 800A, the plug assembly 2 is restored to its retracted state.

[0215] In some embodiments, as shown in Figures 18 to 20, the button assembly 1500 may include a button block 1300 and a third elastic reset member 1400, and the surface of the main body 100 is provided with a through hole 140. The other end of the button block 1300 abuts against the contact end 911 and is rotatable relative to the main body 100 within the through hole 140. The button block 1300 abuts against the support arm 110 via the third elastic reset member 1400.

[0216] Optionally, the third elastic reset element 1400 can be a torsion spring. Of course, in other embodiments, the third elastic reset element 1400 can also be an elastic element such as a spring or a sheet.

[0217] Specifically, when the plug assembly 2 is in the retracted state, the button block 1300 is held embedded in the main body 100 by the elastic action of the third elastic reset member 1400, and part of the surface of the button block 1300 can be exposed through the through hole 140.

[0218] When the plug assembly 2 is switched from the storage state to the use state, the rocker arm 910A is driven by the transmission mechanism 600A to swing. The rocker arm 910A pushes at least a portion of the button block 1300 to rotate relative to the main body 100 so as to protrude from the surface of the main body 100. The third elastic reset member 1400 is elastically stretched or compressed.

[0219] When the plug assembly 2 is in use, the lever 910A abuts against the button block 1300 to limit the third elastic reset member 1400 from returning to its original position. When the plug assembly 2 is switched from the use state to the storage state, the button block 1300 pushes the lever 910A, which in turn pushes the pin shaft 500A, causing the two first pins 220A to rotate.

[0220] Specifically, during the transition of the plug assembly 2 from the use state to the storage state, the button block 1300 is pressed, causing the lever 910A to rotate. The lever 910A further drives the transmission fixing member 710 to rotate, and the contact end 911 of the lever 910A gradually approaches the shortest distance point. The transmission fixing member 710 drives the pin shaft 500A, which in turn drives the two first pins 220A to rotate. After the two first pins 220A rotate a certain angle from the use position to the storage position, the toggle member 650 engages with the transmission fixing member 710, and the first pins 220A can drive the first drive mechanism to drive the two protective covers 300 to begin closing with each other. Then, after the contact end 911 of the lever 910A passes the shortest distance point, the button block 1300 continues to push the lever 910A, so that the contact end 911 of the lever 910A exceeds the shortest distance point and continues to rotate towards the side of the shortest distance point until the two first pins 220A rotate to the storage position. After the two first pins 220A reach the storage position, the transmission fixing member 710 remains stationary, and the first sub-drive mechanism 800A continuously drives the two protective covers 300 to close together, thereby driving the actuating member 650 to rotate through the cover body rotating shaft 400, so that the actuating member 650 is driven to separate from the transmission fixing member 710.

[0221] This configuration allows the plug assembly 2 to rotate the two first pins 220A and the two protective covers 300 with a single button press via the button block 1300 and the third elastic reset member 1400, thus simplifying the storage process of the plug assembly 2.

[0222] In some embodiments, as shown in Figures 18 and 19, the transmission fixing member 710 may include a first limiting protrusion 712 and a first limiting block 713, which are disposed on the outer periphery of the transmission fixing member 710. The main body 100 includes a second limiting protrusion 120 and a housing part 130, which surrounds the transmission mechanism 600A and the clutch mechanism 700A in the thickness direction O and the width direction P. The second limiting protrusion 120 is disposed on the inner wall of the housing part 130 and faces the transmission fixing member 710.

[0223] The first limiting protrusion 712 corresponds to the second limiting protrusion 120. Specifically, when the transmission fixing member 710 drives the two first pins 220A to rotate to the use position by driving the pin shaft 500A, the second limiting protrusion 120 abuts against the first limiting protrusion 712 to restrict the rotation of the first limiting protrusion 712. This arrangement allows the transmission fixing member 710 to be limited by the first limiting protrusion 712 after indirectly driving the two first pins 220A to rotate to the use position, thereby fixing the two first pins 220A in the use position and preventing them from rotating further beyond the use position.

[0224] Furthermore, when the transmission fixing member 710 drives the two first pins 220A to rotate to the storage position by driving the pin shaft 500A, the first limiting block 713 abuts against the housing portion 130 and is restricted from rotation by the housing portion 130. This arrangement allows the transmission fixing member 710 to be limited by the housing portion 130 after indirectly driving the two first pins 220A to the storage position, thereby fixing the two first pins 220A in the storage position and preventing them from continuing to rotate beyond the storage position.

[0225] The above settings can improve the accuracy of the rotation position of the transmission fixing component 710 and the first pin 220A, making it less likely for the first pin 220A to loosen when the plug assembly 2 is in use or stored, thereby improving the stability and feasibility of the plug assembly 2.

[0226] In some embodiments, as shown in Figures 12 and 13, the plug assembly 2 may include a bottom bracket 1000 and a main body shell 1100. The bottom bracket 1000 is disposed below the main body 100 along a predetermined axis and is fixedly connected to the main body 100. The bottom bracket 1000 can close with the main body 100 to form a receiving cavity 101. The pin pivot 500A, two cover pivots 400, transmission mechanism 600A, first sub-drive mechanism 800A and second sub-drive mechanism 900A are all disposed within the receiving cavity 101.

[0227] The main body shell 1100 is fixed to the main body 100 and the bottom bracket 1000. The main body shell 1100 can be disposed at the other end of the main body 100 opposite to the two first pins 220A, and the bottom bracket 1000 can be disposed inside the main body shell 1100.

[0228] Optionally, as shown in Figures 13 and 14, the main body 100 may also include a support block 1200, which is disposed on the bottom bracket 1000. The two cover pivots 400 and the transmission mechanism 600A may be further fixed inside the main body 100 by the support block 1200.

[0229] The support block 1200 and the bottom bracket 1000 can further define the positions of the pin pivot 500A, the two cover pivots 400, the transmission mechanism 600A, the clutch mechanism 700A, the first sub-drive mechanism 800A and the second sub-drive mechanism 900A, so that the components in the receiving cavity 101 are not easy to fall out of the receiving cavity 101, thereby making the structure of the plug assembly 2 more compact and stable.

[0230] Optionally, as shown in Figure 20, the main body shell 1100 may be provided with a socket 1101, which can be electrically connected to two first pins 220A and a second pin 230. External devices can be electrically connected to the two first pins 220A and the second pin 230 by inserting into the socket 1101. The socket 1101 may be located on the surface of the main body shell 1100 and on a different side from the two first pins 220A, so that the socket 1101 is not easily blocked when the plug assembly 2 is inserted into the corresponding socket.

[0231] Based on the structural features of the plug assembly 2 described above, the process of the plug assembly 2 opening from the retracted state to the use state and retracting from the use state to the retracted state is described below by way of example:

[0232] Specifically, when the plug assembly 2 is in the retracted state, the two protective covers 300 are closed together, and the two first prongs 220A are arranged along the thickness direction O to be in the retracted position. At this time, each of the second guide walls 834 of the movable assembly 830 is inserted between two adjacent first guide walls 822 of the fixed assembly 820, and the first elastic reset member 810A abuts against the movable assembly 830, causing the movable assembly 830 to partially engage with the fixed assembly 820. The toggle member 650 is disengaged from the transmission fixing member 710, wherein there is a distance between the support arm 110 and the groove wall of the clutch groove 711. The contact end 911 of the lever 910A is located on the side of the shortest distance point and away from the through hole 140 on the surface of the main body 100. The third elastic reset member 1400 is in the restored state, or elastically acts on the button block 1300, causing the button block 1300 to be embedded inside the main body 100.

[0233] When at least one of the two protective covers 300 is pried open and begins to rotate, the protective cover 300 drives the corresponding cover body shaft 400 to rotate, and further rotates through the fixing component 820 on the cover body shaft 400, thereby enabling the two fixing components 820 to drive each other, thus realizing the mutual drive between the two cover body shafts 400 and the two protective covers 300, causing the two protective covers 300 to open together. During the opening process of the two protective covers 300, the first sub-spiral guide surface 821 on the two fixing components 820 and the second sub-spiral guide surface 831 of the movable component 830 cooperate with each other, so that the movable component 830 slides away from the fixing component 820 along the width direction P of the main body 100, and compresses the first elastic reset member 810A. Until the first stop step 823 at the end of the first sub-spiral guide surface 821 and the second stop step 835 at the end of the second sub-spiral guide surface 831 stop each other, at which point the two protective covers 300 are open and remain stationary.

[0234] Specifically, during the opening and closing of the two protective covers 300, the two protective covers 300 drive the two cover shafts 400 to rotate, thereby driving the first transmission gear 620A on the cover shaft 400 to rotate. The first transmission gear 620A further drives the second transmission gear 630A to rotate. Since the first bevel gear 640 is fixedly sleeved on the transmission shaft 610A, the second transmission gear further drives the first bevel gear 640 to rotate through the transmission shaft 610A. Furthermore, the first bevel gear 640 drives the actuating member 650 sleeved on the rotating pin shaft 500A to rotate relative to the pin shaft 500A. The actuating arm 651 of the actuating member 650 gradually approaches the groove wall of the clutch groove 711 to abut against the groove wall. At this time, the actuating member 650 and the transmission fixing member 710 change from a state of transmission separation to transmission engagement. The actuating arm 651 of the actuating member 650 pushes the transmission fixing member 710 to rotate, thereby further driving the pin shaft 500A and the two first pins 220A to rotate. During the rotation of the transmission fixing member 710, the contact end 911 of the rocker arm 910A rotates towards the shortest distance point, and the second elastic reset member 920A is gradually compressed. Moreover, during the rotation, the contact end 911 pushes at least a portion of the button block 1300 to rotate relative to the main body 100, so as to protrude from the surface of the main body 100 through the through hole 140, and the third elastic reset member 1400 is elastically stretched or compressed.

[0235] When the contact end 911 of the lever 910A reaches or exceeds the shortest distance point, the actuating member 650 and the transmission fixing member 710 are disengaged, the actuating arm 651 of the actuating member 650 separates from the groove wall of the clutch groove 711, the two protective covers 300 cease to open continuously, and the second elastic reset member 920A uses elastic restoring force to push the contact end 911 to the other side of the shortest distance point, thereby driving the transmission fixing member 710 and the pin shaft 500A to rotate. When the first limiting protrusion 712 of the transmission fixing member 710 abuts against the second limiting protrusion 120, the two first pins 220A rotate to the use position, at which point the plug assembly 2 is in use.

[0236] To retract the plug assembly 2 from its active position to its retracted position, at least a portion of the button block 1300 protruding from the surface of the main body 100 can be pressed. The button block 1300 rotates accordingly, causing the contact end 911 of the lever 910A to rotate. The contact end 911 of the lever 910A further pushes the transmission fixing member 710 to rotate. The transmission fixing member 710, through the transmission pin shaft 500A, drives the two first pins 220A, causing them to rotate from the active position to the retracted position. Under the pressure of external force and the action of the third elastic reset member 1400, the button block 1300 gradually drives the transmission fixing member 710 and the pin shaft 500A to restore the two first pins 220A to the retracted position.

[0237] During the rotation of the contact end 911 of the lever 910A, the contact end 911 pushes the transmission fixing member 710 to rotate towards the shortest distance point, and the groove wall of the clutch groove 711 gradually approaches the actuating arm 651. When the groove wall of the clutch groove 711 abuts against the actuating arm 651, the actuating member 650 and the transmission fixing member 710 change from a state of transmission separation to transmission engagement. With the further push of the button block 1300, the transmission fixing member 710 can push the actuating member 650 to rotate. The actuating member 650 then sequentially drives the first bevel gear 640, the transmission shaft 610A, the second transmission gear member 630A, and the first transmission gear member 620A to rotate. The first transmission gear member 620A further drives the cover rotating shaft 400, and the cover rotating shaft 400 drives the two protective covers 300 to close and rotate together.

[0238] During the rotation of the cover shaft 400, the fixed component 820 on the cover shaft 400 also rotates, causing the second stop step 835 of the movable component 830 to disengage from the first stop step 823 of the fixed component 820. The first elastic reset member 810A elastically returns the movable component 830 to its original position. The movable component 830 is then pushed by the first elastic reset member 810A towards the fixed component 820. Under the action of the first sub-spiral guide surface 821 and the second sub-spiral guide surface 831, the movable component 830 further acts on the fixed component 820, enabling the fixed component 820 to drive the two cover shafts 400 to close the two protective covers 300 together.

[0239] The transmission fixing member 710 stops rotating when the first limiting block 713 abuts against the inner wall of the housing part 130. The two first pins 220A rotate to the storage position. At this time, the contact end 911 of the rocker arm 910A moves to the other side of the shortest distance point (the side away from the through hole 140), and the button block 1300 is embedded in the main body part 100. Then, the two protective covers 300 and the toggle member 650 continue to rotate under the drive of the first sub-drive mechanism 800A. The toggle member 650 and the transmission fixing member 710 change from a state of transmission engagement to a state of transmission disengagement. When the first guide wall 822 of the fixing component 820 is inserted between two adjacent second guide walls 834, and the second guide wall 834 of the movable component 830 is inserted between two adjacent first guide walls 822, the movable component 830 and the fixing component 820 stop moving. At this time, the two protective covers 300 close to each other, and the plug assembly 2 is in the storage state.

[0240] The above describes the process of plug assembly 2 opening from the storage state to the use state, and returning from the use state to the storage state.

[0241] Chargers are common electronic devices in daily life and can be divided into wired chargers and wireless chargers. Wired chargers generally consist of a main body and a plug assembly. The main body may include an insulating shell and a circuit board housed inside the shell. The circuit board may contain input circuits, output circuits, a transformer, etc. The plug assembly can be connected to a power supply line and is connected to the input circuit. The output circuit is used for voltage output. The transformer couples the input and output circuits to perform voltage conversion.

[0242] The inventors of this application have discovered through research that the thickness of existing charger specifications (such as the insulating shell) is usually greater than the spacing between the live wire and neutral wire pins, which makes it difficult to make chargers (such as the insulating shell) thin and light, and inconvenient to carry.

[0243] To address the aforementioned problems, this application provides a charger 3. Referring to Figures 21, 22, 23, and 24, the charger 3 includes a main body 100 and a plug assembly 200. The plug assembly 200 is disposed on the main body 100 and includes three plugs. At least one plug is rotatable relative to the other plugs about a preset axis. The preset axis is spaced apart from the plugs. In some embodiments, when the charger 3 is in a retracted state, the three plugs are arranged along a preset arrangement direction. When the charger 3 is in a plugged-in state, the plug that is rotatable relative to the other plugs is located on one side of the arrangement direction of the other plugs, so that the plug assembly 200 is in a pluggable plugged-in state.

[0244] In this way, at least one of the three prongs of the charger 3 can rotate, allowing the prongs to move between different positions. When the three prongs are moved to be collinear (i.e., arranged along a preset direction) or as collinear as possible, they can be easily stored and carried, making the charger 3 relatively thin and light, and reducing its space occupation. When charging is needed, simply switch the three prongs of the prong assembly 200 to the plug-in state.

[0245] In other words, in some implementations, one of the three pins is rotatable while the other two are fixed. In other implementations, two of the three pins are rotatable while the third pin is fixed.

[0246] The three pins may include a first pin 201 and two second pins 202. The first pin 201 may be a grounding pin, and the two second pins 202 may be a live wire pin and a neutral wire pin. Alternatively, the first pin 201 may be a dummy pin, meaning it may not be used for grounding. Correspondingly, in some embodiments, the first pin 201 may be configured to rotate about a preset axis. In some embodiments, one of the second pins 202 may be configured to rotate about a preset axis. In some embodiments, the first pin 201 and one of the second pins 202 may be configured to rotate about a preset axis. In some embodiments, both second pins 202 may be configured to rotate about a preset axis.

[0247] The following description is based solely on the example of two second pins 202 in the pin assembly 200 being able to rotate around a preset axis. However, it is understood that the following structure and principle are also applicable to the other embodiments described above. Additionally, it should be noted that the pin assembly can be a British standard pin, a US standard three-pin pin, a Japanese standard three-pin pin, or a Chinese standard three-pin pin.

[0248] In some embodiments, the first pin 201 may be fixed relative to the main body 100. The two second pins 202 are rotatable together relative to the main body 100 about a preset axis. The positional relationship between the two second pins 202 may be relatively fixed. When the charger 3 is in the retracted state, the arrangement direction of the two second pins 202 coincides with a preset arrangement direction, and the two second pins 202 and the first pin 201 are arranged along the preset arrangement direction. When the charger 3 is in the plugged-in state, the arrangement direction of the two second pins 202 intersects with the preset arrangement direction, and the first pin 201 is located on one side of the arrangement direction of the two pins 202.

[0249] As shown in Figures 21 and 22, when the charger 3 is in the stored state, the two second plugs 202 are located in the first position, and the two second plugs 202 and the first plug 201 are arranged along a preset arrangement direction.

[0250] When the charger 3 is in the plugged-in state, as shown in Figure 23, the two second plug members 202 are in the second position, and the first plug member 201 is located on one side of the arrangement direction of the two plug members 202. At this time, the arrangement direction of the two second plug members 202 can be perpendicular to the preset arrangement direction.

[0251] In some embodiments, the main body 100 has a thickness direction. Typically, the thickness of the main body 100 (insulating housing) can be set with reference to the maximum projected distance between the three pins in the thickness direction. The maximum projected distance can refer to the projected distance in the thickness direction between the two pins that are furthest apart in the thickness direction. When the pin assembly 200 can switch between a retracted state and a plugged state, the maximum projected distance in the thickness direction between the three pins of the pin assembly 200 in the retracted state can be less than the maximum projected distance in the thickness direction between the three pins of the pin assembly 200 in the plugged state, and the thickness of the main body 100 (insulating housing) can be set with reference to the maximum projected distance in the thickness direction between the three pins of the pin assembly 200 in the retracted state.

[0252] In some embodiments, the preset arrangement direction can be perpendicular to the thickness direction. That is, in the stored state, the three prongs can be arranged collinearly along the preset arrangement direction perpendicular to the thickness direction, thereby reducing the thickness of the main body 100 and making the charger 3 thinner and lighter.

[0253] In some embodiments, the preset axis can be located between the two second pins 202, for example, the preset axis can be located approximately at the center of the two second pins 202. In this case, the rotation amplitude of the two second pins 202 when rotating between the first position and the second position can be reduced.

[0254] In some embodiments, the charger 3 may include a first housing 211B and a second housing 212B movably disposed on the main body 100. The first housing 211B and the second housing 212B may be disposed on both sides of the plug assembly 200. The first housing 211B and the second housing 212B are rotatably disposed on the main body 100 and are respectively drivenly connected to two second plug members 202 to engage and disengage relative to the main body 100.

[0255] When the charger 3 is in the retracted state, the first housing 211B and the second housing 212B are engaged relative to the main body 100 to house the plug assembly 200 between the first housing 211B and the second housing 212B. When the charger 3 is in the plugged-in state, the first housing 211B and the second housing 212B are opened relative to the main body 100 to expose the plug assembly 200. In this manner, the first housing 211B and the second housing 212B can protect the plug assembly 200 in the retracted state when the charger 3 is not in operation.

[0256] In some embodiments, the user can directly rotate the first housing 211B and the second housing 212B by hand to make the first housing 211B and the second housing 212B rotate and lock or open relative to each other.

[0257] Optionally, as shown in Figures 21 and 22, when the charger 3 is in the retracted state, the first housing 211B and the second housing 212B are engaged relative to the main body 100 in the engaged position. The first housing 211B and the second housing 212B can be parallel to each other at this time.

[0258] As shown in Figure 23, when the charger 3 is in the plugged-in state, the first housing 211B and the second housing 212B are open relative to the main body 100 and are in the open position. When the first housing 211B and the second housing 212B are in the open position, the first housing 211B and the second housing 212B can form a certain angle. For example, this angle can be 124°, 138°, 142°, 155°, etc.

[0259] In some embodiments, the first housing 211B and the second housing 212B can be kinetically connected to two second pins 202. When the first housing 211B and the second housing 212B move from the engaged position to the open position, the two second pins 202 are kinetically rotated from a first position to a second position, exposing the pin assembly 200 in the open position. In this manner, the user can simultaneously adjust the pin assembly 200 to the insertion state while opening the first housing 211B and the second housing 212B.

[0260] Referring to Figures 25 and 26, in some embodiments, the pin assembly 200 may include a rotating base 220B and a linkage assembly 230B. The rotating base 220B is rotatably disposed on the main body 100. The rotating base 220B is rotatable relative to the main body 100 about a predetermined axis. Two second pins 202 may be disposed on the rotating base 220B. The linkage assembly 230B may be disposed on the main body 100 and connects the first housing 211B and the second housing 212B. The linkage assembly 230B may be drively connected to the rotating base 220B for driving the rotating base 220B to rotate relative to the main body 100. The linkage assembly 230B is configured to synchronously drive the rotating base 220B to rotate during the process of the first housing 211B and / or the second housing 212B rotating from being engaged with the main body 100 to being opened relative to the main body 100.

[0261] When the first housing 211B and the second housing 212B move from the locked position to the open position, the linkage component 230B can drive the rotating seat 220B to rotate relative to the main body 100, thereby driving the two second pins 202 to rotate from the first position to the second position.

[0262] In some embodiments, the charger 3 further includes a plug fixing base 240B (see FIG. 25). The first plug member 201 can be fixedly disposed on the plug fixing base 240B. The rotating seat 220B can pass through the plug fixing base 240B. In addition, the plug fixing base 240B can be disposed on the main body 100, and a placement groove 241 is provided on the lower side of the plug fixing, and the linkage component 230B is at least partially disposed in the placement groove 241.

[0263] In some embodiments, the first housing 211B and the second housing 212B are rotatably disposed on the main body 100. The linkage assembly 230B is configured to synchronously drive the rotating seat 220B to rotate when the first housing 211B and / or the second housing 212B rotate from the engaged position to the open position. The rotational axes of the first housing 211B and the second housing 212B may be parallel to a preset arrangement direction. In addition, the rotational axes of the first housing 211B and the second housing 212B may be located on opposite sides of the three pins, respectively.

[0264] In some embodiments, referring to Figures 26 and 27, the rotating seat 220B may include a rotating spindle 221 extending along a preset axis. The rotating spindle 221 can rotate about the preset axis. The linkage assembly 230B may include a spindle drive member 231. The rotating spindle 221 is sleeved inside the spindle drive member 231, and both ends of the spindle drive member 231 are drive-connected to the first housing 211B and the second housing 212B. The first housing 211B and the second housing 212B are drive-connected to the rotating spindle 221 through the spindle drive member 231. Figure 26 shows the structure in which the first housing 211B is drive-connected to the spindle drive member 231 and the rotating spindle 221. The structure in which the second housing 212B is drive-connected to the spindle drive member 231 may be the same as the drive-connection structure of the first housing 211B. The second housing 212B may be disposed on the side of the two second pins 202 opposite to the first housing 211B.

[0265] The spindle drive 231 is used to drive the rotating spindle 221 to rotate around the preset axis when it is relative to the rotating spindle 221 along the preset axis. That is, the rotating spindle 221 can convert the linear motion of the spindle drive 231 into the rotational motion of the rotating spindle 221 and the rotating seat 220B.

[0266] In some embodiments, referring to FIG27, the spindle drive 231 surrounds at least a portion of the outer periphery of the rotating spindle 221. At least a portion of the outer periphery of the spindle drive 231 may be fitted onto the rotating spindle 221 so that the spindle drive 231 can move along the rotating spindle 221.

[0267] In some embodiments, as shown in FIG27, the spindle drive 231 is provided with a guide protrusion 2310. A guide groove 2210 is formed on the outer peripheral surface of the rotating spindle 221. The guide protrusion 2310 is embedded in the guide groove 2210. During the movement of the spindle drive 231 relative to the rotating spindle 221, the guide protrusion 2210 slides in the guide groove 2210 to actuate the rotating spindle 221.

[0268] In some embodiments, referring to FIG28, the guide groove 2210 includes a first guide groove 2211 and a second guide groove 2212, which are connected end-to-end. The first guide groove 2211 is configured such that when the guide protrusion 2310 slides along the first guide groove 2211, the guide protrusion 2310 can actuate the rotating spindle 221 to rotate in a first direction around a preset axis, and the rotating spindle 221 in turn drives the two second pins 202 to rotate from a first position to a second position. The second guide groove 2212 is configured such that when the guide protrusion 2310 slides along the second guide groove 2212, the rotating spindle 221 rotates in a second direction opposite to the first direction around a preset axis, and the rotating spindle 221 in turn drives the two second pins 202 to rotate from a second position to a first position.

[0269] In other words, the extending directions of the first guide groove 2210 and the second guide groove 2210 simultaneously have circumferential components along the main axis of rotation 221 and axial components along the main axis of rotation 221. In some embodiments, the first guide groove 2211 extends spirally around a predetermined axis, and the extending direction of the first guide groove 2211 intersects the predetermined axis with each other. Furthermore, the connection between the first guide groove 2211 and the second guide groove 2212 can mean that the starting position of the first guide groove 2211 is connected to the ending position of the second guide groove 2212, and the ending position of the first guide groove 2211 is connected to the starting position of the second guide groove 2212.

[0270] For example, in some embodiments, the first guide groove 2211 has a starting position and an ending position, and communicates with the second guide groove 2212 at the starting position and the ending position, respectively. When the guide protrusion 2310 is at the starting position, the charger is in a retracted state. When the guide protrusion 2310 is at the ending position, the charger 3 is in a plugged-in state.

[0271] In other words, when the guide protrusion 2310 is at the starting position of the first guide groove 2211, the two second pins 202 are in the first position. When the guide protrusion 2310 is at the ending position of the first guide groove 2211, the two second pins 202 are in the second position.

[0272] In some embodiments, as shown in Figures 28 and 29, the sidewall of the first guide groove 2211 has a limiting protrusion 2213 protruding inward at the end position. The limiting protrusion 2213 is used to stop the guide protrusion 2310 from retracting towards the starting position when the guide protrusion 2310 moves to the end position. In this case, when the user opens the first housing 211B and the second housing 212B, the pin assembly 200 can remain in the plugged state, reducing the possibility of random wobbling of the two second pins 202 of the pin assembly 200 in the second position.

[0273] In some embodiments, as shown in FIG28, the sidewall of the first guide groove 2211 has a recessed area 2214 recessed outward at the starting position. The recessed area 2214 can be used to limit the guide protrusion 2310 in other circumferential directions other than the sliding direction along the first guide groove 2211 when the guide protrusion 2310 moves to the starting position, so as to limit the guide protrusion 2310 at the starting position. In this case, when the user fastens the first housing 211B and the second housing 212B, the guide protrusion 2310 can move to the recessed area 2214, and the pin assembly 200 remains in the stored state, reducing the possibility of the two second pins 202 of the pin assembly 200 randomly wobbling in the first position.

[0274] In some embodiments, referring to Figures 27, 28, and 29, the charger 3 further includes a resilient reset member 222. The resilient reset member 222 is resiliently connected between the rotating spindle 221 and the main body 100. The resilient reset member 222 is configured to undergo elastic deformation when the charger 3 is in the plugged-in state. In the elastically restored state, the resilient reset member 222 is configured to drive the rotating spindle 221 to rotate in a second direction and cause the guide protrusion 2310 to slide along the second guide groove 2210.

[0275] In other words, the elastic reset member 222 can store energy when the rotating spindle 221 rotates in the first direction, and when the energy is released, it drives the rotating spindle 221 to rotate in the second direction, thereby driving the rotating spindle 221 to reset and simultaneously driving the first housing 211B and the second housing 212B to switch to the latching state. In some embodiments, the elastic reset member 222 can specifically be a torsion spring, which is sleeved on the rotating spindle 221, with one end connected to the rotating spindle 221 and the other end connected to the main body 100.

[0276] In some embodiments, the charger 3 can be disengaged from the plugged state by continuously prying the first housing 211B and the second housing 212B apart, so that the first housing 211B and the second housing 212B continue to open apart, thereby driving the guide protrusion 2310 to disengage from the end position of the first guide groove 2211 and enter the second guide groove 2212.

[0277] Optionally, the opening angle between the first housing 211B and the second housing 212B can correspond to the movement process of the guide protrusion 2310 disengaging from the end position of the first guide groove 2211 and entering the second guide groove 2212. For example, the first housing 211B and the second housing 212B can be further pried open from the open position to angles of 162°, 168°, 175°, etc., at which point the guide protrusion 2310 can pass the limiting protrusion 2213 and enter the second guide groove 2212, thus disengaging from the end position of the first guide groove 2211.

[0278] In some embodiments, referring to FIG28, the second guide groove 2212 may include a transition section 2215 and a reset section 2216. The transition section 2215 and the reset section 2216 are sequentially connected between the two ends of the first guide groove 2211. The first guide groove 2211 is connected to the transition section 2215 at its starting position and to the reset section 2216 at its ending position.

[0279] The guide protrusion 2310 enters the transition section 2215 during the process of the charger 3 rotating from the storage state to the plugging state, and the elastic reset member 222 is used to make the guide protrusion 2310 slide along the transition section 2215 to the reset section 2216 when it is in the elastic recovery state.

[0280] Optionally, as shown in Figures 28 and 29, the elastic reset member 222 may include a first elastic portion 2221 and a second elastic portion 2222. The first elastic portion 2221 abuts between the spindle drive member 231 and the main body 100, and is sleeved on the rotating spindle 221. One end of the second elastic portion 2222 abuts against the main body 100, and the other end is connected to the first elastic portion 2221 and abuts against the rotating spindle 221.

[0281] Specifically, during the process of the guide protrusion 2310 sliding from the starting position of the first guide groove 2211 to its ending position, both the first elastic part 2221 and the second elastic part 2222 are in an elastic deformation state. When the guide protrusion 2310 leaves the ending position and enters the transition section 2215, the second elastic part 2222 elastically recovers and pushes the rotating spindle 221 to rotate, so that the guide protrusion 2310 slides in the transition section 2215 and slides from the transition section 2215 to the reset section 2216. During this process, the second elastic part 2222 is still in an elastic deformation state and the spindle drive 231 remains stationary, so that the first housing 211B and the second housing 212B remain stationary, while the rotating spindle 221 rotates to the first position, so that the first housing 211B and the second housing 212B do not easily obstruct each other with the rotating spindle 221 during the process of the charger 3 being retracted from the plugged-in state to the storage state.

[0282] After the guide protrusion 2310 enters the reset section 2216, the first elastic part 2221 elastically recovers and pushes the rotating spindle 221 to rotate, while simultaneously driving the first housing 211B and the second housing 212B to rotate until they cover each other, so that the charger 3 returns to the storage state.

[0283] Optionally, the first elastic part 2221 can be a spring, and the second elastic part 2222 can be a torsion spring. Of course, in other embodiments, the first elastic part 2221 and the second elastic part 2222 can also be other elastic elements.

[0284] By setting the transition section 2215, the transmission between the first housing 211B and the second housing 212B and the rotating main shaft 221 can be temporarily stopped, and the first housing 211B and the second housing 212B and the rotating main shaft 221 are less likely to block or jam each other, so that the charger 3 can be smoothly retracted from the plugged-in state to the storage state.

[0285] In some embodiments, the extension direction of the transition section 2215 may be perpendicular to the axial direction of the rotating spindle 221. In this case, when rotating about the rotating spindle 221, the guide protrusion 2310 moves in the transition section 2215, and the guide protrusion 2310 and the spindle drive member 231 do not have any component of vertical movement about the axial direction of the rotating spindle 221, thereby restricting the movement of the spindle drive member 231 to limit the rotation of the first housing 211B and the second housing 212B.

[0286] Of course, in other examples, the transition section 2215 can also be configured to allow the spindle drive 231 to move when the guide protrusion 2310 slides along the transition section 2215. In this case, the extension direction of the transition section 2215 can simultaneously have a circumferential component about the rotating spindle 221 and an axial component along the rotating spindle 221, thereby allowing the first housing 211B, the second housing 212B, and the two second pins 202 to retract simultaneously.

[0287] In some embodiments, as shown in Figures 28 and 29, the reset section 2216 is configured such that when the elastic reset member 222 is in an elastic recovery state, the guide protrusion 2310 can slide along the reset section 2216 and can be actuated, while the first housing 211B and the second housing 212B are driven by the main shaft drive member 231 to engage with the main body 100.

[0288] In some embodiments, the depth of the portion of the reset segment 2216 communicating with the first guide groove 2211 is less than the depth of the first guide groove 2211, so as to form a stop step 2217 at the connection between the reset segment 2216 and the first guide groove 2211. The stop step 2217 is used to prevent the guide protrusion 2310 from sliding back towards the reset segment 2216 when it slides from the reset segment 2216 to the starting position of the first guide groove 2211. In this case, the possibility that the guide protrusion 2310 of the first guide groove 2211 will slide into the second guide groove 2212 through the connection during the sliding process can be reduced.

[0289] In some embodiments, referring to FIG29, the number of guide grooves 2210 is two. The two guide grooves 2210 can be symmetrically arranged around the central axis of the rotating spindle 221. Correspondingly, the number of guide protrusions 2310 is two. The two guide protrusions 2310 are respectively disposed in the two guide grooves 2210. In this case, the rotating spindle 221 can be subjected to more even force, enabling the rotating spindle 221 and the spindle drive 231 to operate more stably and reliably. Furthermore, the two guide protrusions 2310 can be connected by a connecting section to reduce the possibility of asynchronous sliding between the two guide protrusions 2310. The connecting section can be disposed on the periphery of the rotating spindle 221.

[0290] In some embodiments, referring to Figures 30 and 31, the linkage assembly 230B includes a first drive shaft assembly 232. The first drive shaft assembly 232 is driveably connected to the first housing 211B and / or the second housing 212B, and is also driveably connected to the main shaft drive member 231. When the first housing 211B and / or the second housing 212B rotate relative to the main body 100, they can drive the main shaft drive member 231 to move via the first drive shaft assembly 232.

[0291] In some embodiments, referring to Figures 31 and 32, the first drive shaft assembly 232 includes a first main drive shaft 2321, a first connector 2322, and a gear structure 2323. The first connector 2322 can be connected to the first housing 211B to drive the first main drive shaft 2321 and the gear structure 2323 to rotate when the first housing 211B rotates. The gear structure 2323 can be disposed at the other end of the first main drive shaft 2321. The main shaft drive member 231 can have a rack structure 2311 that meshes with the gear structure 2323. The first drive shaft assembly 232 is used to convert the rotational motion of the first housing 211B into linear motion of the main shaft drive member 231.

[0292] The axial direction of the first main drive shaft 2321 can be parallel to the rotation direction of the first housing 211B or a predetermined arrangement direction. The extension direction of the rack structure 2311 can be parallel to the axial direction of the rotating main shaft 221. In addition, it should be noted that the gear structure 2323 can be a complete gear or a part of a gear (for example, it can be half or one-third of a gear).

[0293] In some embodiments, referring to FIG32, the first drive shaft assembly 232 further includes a first auxiliary drive shaft 2324 and a second connector 2325. The second connector 2325 may be disposed on the first auxiliary drive shaft 2324 and connected to the second housing 212B. The first main drive shaft 2321 and the first auxiliary drive shaft 2324 may be arranged side by side. In this case, the weight difference between the opposite sides of the charger 3 can be reduced.

[0294] Additionally, the first main drive shaft 2321 may be provided with a first synchronous gear structure 2326. The first auxiliary drive shaft 2324 may be provided with a second synchronous gear structure 2327, and the first main drive shaft 2321 and the first auxiliary drive shaft 2324 may mesh with the first synchronous gear structure 2326 and the second synchronous gear structure 2327. In this case, the first auxiliary drive shaft 2324 and the first main drive shaft 2321 can rotate synchronously, thereby causing the first housing 211B and the second housing 212B to rotate synchronously. The second connecting member 2325 may connect to the second housing 212B to drive the first auxiliary drive shaft 2324 and the second synchronous gear structure 2327 to rotate when the second housing 212B rotates.

[0295] In some embodiments, as shown in FIG32, the first driveshaft assembly 232 may further include an elastic damping assembly 2328. The elastic damping assembly 2328 is disposed on the first main driveshaft 2321 and / or the first auxiliary driveshaft 2324.

[0296] During the process of the charger 3 rotating to the plugged-in state, the elastic damping component 2328 gradually generates elastic compression as the first main drive shaft 2321 and the first auxiliary drive shaft 2324 rotate, so as to drive the first housing 211B and the second housing 212B to engage with each other relative to the main body 100 during the process of the charger 3 rotating from the plugged-in state to the storage state.

[0297] The above settings can further ensure that the first housing 211B and the second housing 212B can be smoothly engaged with each other, so that the movement of the first housing 211B and the second housing 212B is more precise and smooth.

[0298] In some embodiments, the elastic damping assembly 2328 may include a first bracket 23281, an elastic element 23282, and an abutment plate 23283. The first bracket 23281 is fixedly disposed on the main body 100. A first main drive shaft 2321 and / or a first auxiliary drive shaft 2324 are rotatably disposed through the first bracket 23281. The first bracket 23281 and the abutment plate 23283 are spaced apart along the axial direction of the first main drive shaft 2321. The elastic element 23282 abuts against the first bracket 23281 and the abutment plate 23283.

[0299] In some embodiments, the first main drive shaft 2321 and / or the first auxiliary drive shaft 2324 are provided with abutment blocks 2329. Abutment plates 23283 are provided with abutment ramps 23284. The abutment blocks 2329 and the abutment ramps 23284 abut against each other. The abutment blocks 2329 are configured to move along the abutment ramps 23284 when the first main drive shaft 2321 and / or the first auxiliary drive shaft 2324 rotates, and drive the abutment plates 23283 closer to the first bracket 23281 during the process of the charger 3 rotating to the insertion state, thereby causing the elastic element 23282 to gradually undergo elastic compression. The abutment blocks 2329 may be integrally formed with the first synchronous gear structure 2326 and / or the second synchronous gear structure 2327.

[0300] In some embodiments, the number of abutment ramps 23284 can be one, and the abutment plate 23283 also has stepped surfaces 23285 connected end-to-end to the abutment ramps 23284. When the second synchronous gear structure 2327 and the first synchronous gear structure 2326 rotate, the abutment block 2329 pushes the abutment plate 23283 along the abutment ramps 23284 to move the abutment plate 23283 in a straight line, thereby driving the abutment plate 23283 closer to the first bracket 23281. The elastic element 23282 is gradually compressed. When the abutment block 2329 moves to the end of the abutment ramps 23284, the abutment block 2329 and the abutment ramps 23284 separate instantaneously. During this process, the stroke of the abutment block 2329 along the abutment ramps 23284 can be consistent with the stroke of the first housing 211B and the second housing 212B from the locked position to the open position.

[0301] Subsequently, as the elastic reset member 222 elastically recovers and drives the main shaft drive member 231 to move, the main shaft drive member 231 transmits the elastic damping component 2328. The elastic member 23282 resets and drives the abutment plate 23283 to move towards the abutment block 2329, while simultaneously causing the abutment block 2329 to move back to the starting point of the abutment slope 23284. Thus, the abutment plate 23283 drives the abutment block 2329 to rotate through the abutment slope 23284. The abutment block 2329 can then transmit the first housing 211B and the second housing 212B to close together through the first synchronous gear structure 2326 and the second synchronous gear structure 2327, so as to retract to the engaged position.

[0302] In other embodiments, the number of abutment ramps 23284 is at least two, and the abutment plate 23283 also has a stepped surface 23285 for connecting two adjacent abutment ramps 23284. In this case, when the abutment block 2329 moves to the end of a certain abutment ramp 23284, it can abut against the stepped surface 23285. The stepped surface 23285 can further limit the abutment block 2329, thereby limiting a main drive shaft 2321 and / or a first auxiliary drive shaft 2324 to restrict the rotation of the first housing 211B and the second housing 212B, thereby restricting the first housing 211B and the second housing 212B to the engaged position. In some embodiments, the abutment block 2329 has a contact surface 23291 that contacts the abutment ramp 23284. Both the contact surface 23291 and the abutment ramp 23284 are planar, and the angle between the normal of the contact surface 23291 and the first main drive shaft 2321 is equal to the angle between the normal of the abutment ramp 23284 that contacts the contact surface 23291 and the first main drive shaft 2321. In this case, the contact surface 23291 of the abutment block 2329 can match the shape of the abutment ramp 23284. In other embodiments, the contact surface 23291 can be curved, and the abutment ramp 23284 can be planar. For example, the abutment block 2329 can be spherical, while the abutment ramp 23284 can be planar. In other embodiments, the contact surface 23291 is a curved surface, and the abutting inclined surface 23284 is a curved surface, with the radius of curvature of the contact surface 23291 being smaller than the radius of curvature of the abutting inclined surface 23284. For example, the contact surface 23291 can be spherical, and the abutting inclined surface 23284 can be arc-shaped.

[0303] In some embodiments, referring to Figures 25, 31, and 33, the linkage assembly 230B further includes a second drive shaft assembly 233. The first drive shaft assembly 232 and the second drive shaft assembly 233 are respectively disposed at both ends of the rotating spindle and are drively connected to the spindle drive member 231. The first drive shaft assembly 232 may be disposed near one of the three pins, and the second drive shaft assembly 233 may be disposed near the live wire or the neutral wire.

[0304] The second drive shaft assembly 233 may be exactly the same as the first drive shaft assembly 232, or it may not be exactly the same as the first drive shaft assembly 232, for example, retaining a part of the first drive shaft assembly 232. In this case, the weight difference between the two ends of the charger 3 can be reduced.

[0305] In some embodiments, the second drive shaft assembly 233 may include a second main drive shaft 2331 and third connectors 2332 and gear structures 2323 disposed at both ends of the second main drive shaft 2331. The third connectors 2332 are connected to the first housing 211B so as to drive the second main drive shaft 2331 and gear structures 2323 to rotate when the first housing 211B rotates.

[0306] In some embodiments, the second drive shaft assembly 233 may further include a second auxiliary drive shaft 2334 and a fourth connector 2335 disposed on the second auxiliary drive shaft 2334 and connected to the second housing 212B. Additionally, the second drive shaft assembly may also include a second bracket 2336, with the second main drive shaft 2331 and the second auxiliary drive shaft 2334 arranged side-by-side and rotatably mounted on the second bracket 2336.

[0307] Additionally, at least one of the first connector 2322 and the third connector 2332 can be disposed on the side of the first housing 211B facing the second housing 212B (inner side of the first housing 211B). At least one of the second connector 2325 and the fourth connector 2335 can be disposed on the side of the second housing 212B facing the first housing 211B (inner side of the first housing 211B). This makes the outer surfaces of the first housing 211B and the second housing 212B more aesthetically pleasing. Furthermore, the charger 3 may also include a connector fixing cover 213. The connector fixing cover 213 can be disposed on the first connector 2322, the second connector 2325, the third connector 2332, or the fourth connector 2335 to improve the reliability of the installation of the linkage assembly 230B, while also making the charger 3 more aesthetically pleasing.

[0308] Based on the structure of the charger 3 embodiment, the following exemplarily describes the transition process between the charger 3's stored state and its plugged-in state:

[0309] During the transition of the charger 3 from its stored state to its plugged state, the user can pry open the first housing 211B and the second housing 212B from their locked positions. The first housing 211B and the second housing 212B drive the first main drive shaft 2321 and the first auxiliary drive shaft 2324 to rotate via the first connector 2322 and the second connector 2325. The first main drive shaft 2321 drives the gear structure 2323 to rotate. The gear structure 2323 further drives the main shaft drive member 231, causing it to rise along the axis of the rotating main shaft 221. During this movement, the main shaft drive member 231 moves the guide protrusion 2310, causing it to move away from the starting position of the first guide groove 2211.

[0310] Because the depth of the portion of the reset section 2216 that connects to the first guide groove 2211 is less than the depth of the first guide groove 2211, the guide protrusion 2310 enters the first guide groove 2211 first and slides within it. The guide protrusion 2310 further drives the rotating spindle 221 to rotate via the first guide groove 2211, thereby driving the two second pins 202 to rotate to the second position. During rotation, the rotating spindle 221 compresses the second elastic portion 2222, while the spindle drive 231 stretches the first elastic portion 2221 during its ascent.

[0311] When the guide protrusion 2310 slides to the end position of the first guide groove 2211, the first housing 211B and the second housing 212B rotate to the open position, and the two second plug members 202 rotate to the second position. At this time, the charger 3 is in the plugged-in state. At this time, the limiting protrusion 2213 at the end position of the first guide groove 2211 limits the guide protrusion 2310, so as to further limit and fix the two second plug members 202 and the first housing 211B and the second housing 212B.

[0312] During this process, the first main drive shaft 2321 and / or the first auxiliary drive shaft 2324 drive the abutment block 2329 to move along the abutment slope 23284 to push the abutment plate 23283 to move away from the abutment block 2329, thereby compressing the elastic element 23282.

[0313] During the transition of charger 3 from the plugged-in state to the retracted state, the user can continue to pry open the first housing 211B and the second housing 212B, causing them to open further. This drives the main shaft drive 231 to move the guide protrusion 2310 away from the end position and continue to rise into the transition section 2215. After the guide protrusion 2310 leaves the end position, the main shaft drive 231 remains stationary, allowing the first housing 211B and the second housing 212B to remain stationary. At this time, the compressed second elastic part 2222 further recovers its elasticity, driving the rotating main shaft 221 to rotate. The guide protrusion 2310 slides relative to the transition section 2215, and the rotating main shaft 221 further drives the two second plug members 202 to rotate from the second position to the first position.

[0314] When the guide protrusion 2310 slides from the transition section 2215 to the reset section 2216, the first elastic part 2221 elastically recovers and drives the main shaft drive member 231 to move downward and reset. The main shaft drive member 231 further drives the first housing 211B and the second housing 212B to engage with each other through the first transmission shaft assembly 232 and the second transmission shaft assembly 233. The elastic member 23282 elastically recovers and pushes the abutment plate 23283 to move towards the abutment block 2329. The abutment plate 23283 pushes the first synchronous gear structure 2326 and the second synchronous gear structure 2327 to rotate through the abutment inclined surface 23284, thereby driving the first auxiliary transmission shaft 2324 and the first main transmission shaft 2321 to rotate synchronously, further driving the first housing 211B and the second housing 212B to engage with each other.

[0315] When the guide protrusion 2310 slides from the reset section 2216 to the starting position of the first guide groove 2211, the two second pins 202 rotate to the second position. When the abutment block 2329 moves and reaches the end of a certain abutment slope 23284, the abutment block 2329 abuts against the stepped surface 23285, and the first housing 211B and the second housing 212B rotate to the locking position and lock together. At this time, the charger 3 is in the storage state.

[0316] The above describes the process of switching between the stored state and the plugged-in state of charger 3.

[0317] In summary, this application configures the two rotating pins 220 in the pin device 1 to be rotatable relative to the main body 100. This allows the two rotating pins 220 to rotate to a preset direction and align with the button pin 210 when the pin device 1 is not in use. This reduces the space occupied by the two rotating pins 220 in the vertical direction of the preset direction, resulting in a thinner pin device 1 in that direction. This reduces the storage space required for the pin device 1, making it easier to store and carry. Furthermore, this application allows the button pin 210 to move relative to the main body 100, enabling it to switch between a stored position and a connected position. This flexible repositioning of the button pin 210 further reduces the storage space required when the pin device 1 is stored, making it easier to store and carry.

[0318] The above description is merely an embodiment of this application and does not limit the patent scope of this application. Any equivalent structural or procedural transformations made using the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.

Claims

1. A pin device, characterized in that, include: Main body, A pin assembly is disposed on the main body; the pin assembly includes a button pin and two rotating pins. The two rotating pins are rotatably disposed on the main body and located on one side of the button pin; the button pin moves relative to the main body. The plug device has a storage state and a use state. When the plug device is in the storage state, the button pin is located in the storage position relative to the main body, and the two rotating pins are arranged with the button pin in a preset direction. When the plug device is in the use state, the button pin is located in the insertion position relative to the main body, and the arrangement direction of the two rotating pins intersects with the preset direction, so that the plug assembly is in an insertion state that can be inserted.

2. The pin device according to claim 1, characterized in that, During the switching process between the storage state and the use state, the button pin moves relative to the main body in its extension direction; in the extension direction of the button pin, the height of the button pin in the storage position is lower than the height in the connection position.

3. The pin device according to claim 2, characterized in that, The plug device includes a first drive mechanism, and the two rotating plugs and the button plug are connected by the first drive mechanism. During the movement of the button plug relative to the main body, the two rotating plugs are rotated by the first drive mechanism, so that the plug device is switched from the use state to the storage state.

4. The pin device according to claim 3, characterized in that, The pin device includes a connecting spindle connected to the two rotating pins; the first drive mechanism includes a first transmission gear, a moving assembly, and a first elastic element; the first transmission gear is fixedly sleeved on the connecting spindle; the moving assembly has a receiving groove, the first transmission gear is disposed in the receiving groove, and the outer periphery of the first transmission gear meshes with a portion of the inner wall of the receiving groove; one end of the first elastic element is connected to the main body, and the other end abuts against the moving assembly; The end of the movable kit facing away from the first elastic element contacts the button pin; during the switching process between the use state and the storage state, the button pin or the first elastic element pushes the movable kit to move, and the movable kit drives the first transmission gear to rotate, thereby driving the connecting spindle to rotate.

5. The pin device according to claim 4, characterized in that, The button pin has a first inclined surface on the side facing the movable component, and the first inclined surface is inclined away from the movable component; the movable component has a second inclined surface at the end that contacts the button pin; the button pin guides the movable component to move through the first inclined surface and the second inclined surface; When the pin device is in the retracted state, the button pin is in the retracted position, the moving kit contacts the first inclined surface near one end of the moving kit, or the second inclined surface disengages from the first inclined surface, the first elastic element is compressed by the moving kit, and the first transmission gear is located in the receiving groove at one end away from the first elastic element. When the pin device is in use, the movable assembly abuts against the end of the first inclined surface away from the movable assembly, and the first transmission gear is located in the receiving groove near the end of the first elastic member.

6. The pin device according to claim 2, characterized in that, The plug device includes two protective covers, which are rotatably connected to the main body along the preset direction; when the plug device is in the use state, the two protective covers are open to expose the plug assembly. When the pin assembly is in the retracted state, the two protective covers close together to cover at least a portion of the pin assembly.

7. The pin device according to claim 6, characterized in that, The plug device includes two cover shafts arranged along the rotation axis of the two protective covers and a second drive mechanism. The two cover shafts are fixedly connected to the two protective covers in a one-to-one correspondence. The two protective covers are driven by the two cover shafts. The two protective covers are driven by the two cover shafts and the second drive mechanism, and are configured to rotate in opposite directions.

8. The pin device according to claim 7, characterized in that, The pin device includes a second transmission gear, which is sleeved on a cover shaft. The cover shaft drives the second transmission gear to rotate during rotation. The button pin is provided with a rack portion, and the second transmission gear meshes with a portion of the rack portion; during the process of the two protective covers opening and closing, the two cover shafts drive the second transmission gear to rotate and further act on the rack portion, so that the button pin moves away from the main body along its extension direction. As the button pins move from the insertion position to the storage position, the rack section drives the second transmission gear and the cover shaft to rotate, thereby causing the two protective covers to close together.

9. The pin device according to claim 8, characterized in that, The second transmission gear includes a limiting groove, and one of the cover shafts includes a shifting post that extends into the limiting groove; As the two protective covers open, the actuating post gradually approaches and contacts one side wall of the limiting groove to drive the second transmission gear to rotate; as the button pin moves from the insertion position to the storage position, the other side wall of the limiting groove gradually approaches and contacts the actuating post to drive the actuating post to rotate.

10. The pin device according to claim 7, characterized in that, The second drive mechanism includes a second elastic element, a fixed assembly, and a movable assembly; The fixed assembly is fixedly sleeved on the corresponding cover pivot to rotate with the cover pivot; the movable assembly is sleeved on the cover pivot and is connected to the fixed assembly in a transmission manner. When the fixed assembly rotates, it drives the movable assembly to slide relative to the cover pivot and rotate relative to the cover pivot; one end of the second elastic member is fixed relative to the main body, and the other end is elastically supported on the side of the movable assembly away from the fixed assembly; the movable assembly is used to guide the fixed assembly to rotate so that the two protective covers close together; and when the pin device is in the storage state and the use state, the movable assembly is used to restrict the rotation of the fixed assembly.

11. The pin device according to claim 7, characterized in that, The pin device includes a third drive mechanism, and the two rotating pins are connected to the two protective covers via the third drive mechanism; the two protective covers drive the third drive mechanism as they open and close, so that the third drive mechanism allows the two rotating pins to rotate.

12. The pin device according to claim 11, characterized in that, The pin device includes a connecting spindle, which is connected to the two rotating pins; the third drive mechanism includes a pusher, a fixing member, a snap-fit ​​member, and a third elastic member; the pusher is sleeved on one end of the cover's rotating shaft and contacts the snap-fit ​​member; the snap-fit ​​member is fixedly sleeved on the rotating spindle, and the fixing member is movably sleeved on the connecting spindle and contacts the snap-fit ​​member; the third elastic member is sleeved on the rotating spindle, with one end abutting against the snap-fit ​​member and the other end abutting against the main body. When the pin device is in the retracted state, the fixing member engages with the first step of the snap-fit ​​member; as the two protective covers open relative to each other, the pushing member pushes the snap-fit ​​member to move away from the fixing member, the snap-fit ​​member compresses the third elastic member, and the fixing member disengages from the first step of the snap-fit ​​member.

13. The pin device according to claim 12, characterized in that, The snap-fit ​​component is provided with a second step and a receiving groove, with the first step and the second step respectively located at both ends of the receiving groove; in the extension direction of the connecting spindle, the first step is further away from the fixing component than the second step; the fixing component has a protrusion on the side facing the snap-fit ​​component. When the pin device is in the retracted state, the protrusion abuts against the first step; when the pin device is in the use state, the protrusion abuts against the second step; when the pin device switches between the retracted state and the use state, the protrusion rotates relative to the snap-fit ​​member within the receiving groove.

14. A plug assembly, characterized in that, include: The main body has a thickness direction and a width direction that are perpendicular to each other, and the dimension of the main body in the thickness direction is smaller than the dimension in the width direction; A pin assembly is disposed on the main body and includes a pin base and two first pins spaced apart on the pin base. The pin base is rotatably disposed on the main body to drive the two first pins to rotate relative to the main body about a preset axis. The plug assembly has a retracted state and a used state. When the plug assembly is in the retracted state, the two first prongs are arranged along the width direction; when the plug assembly is in the used state, the two first prongs are arranged along the thickness direction.

15. The plug assembly according to claim 14, characterized in that, The plug assembly includes two protective covers that are rotatably connected to the main body along the width direction; when the plug assembly is in the use state, the two protective covers are open to expose the plug assembly. When the plug assembly is in the retracted state, the two protective covers overlap each other along the thickness direction to cover at least a portion of the pin assembly.

16. The plug assembly according to claim 15, characterized in that, The two protective covers and the plug base are connected by a transmission mechanism, and the plug assembly switches between the storage state and the use state through the transmission cooperation between the protective covers and the plug base.

17. The plug assembly according to claim 16, characterized in that, The plug assembly includes a plug pivot shaft arranged along the preset axis, two cover pivot shafts arranged along the rotation axis of the two protective covers, and a transmission mechanism. The plug pivot shaft and the two cover pivot shafts are connected by the transmission mechanism. The plug pivot shaft is fixedly connected to the plug base. The two cover shafts are fixedly connected to the two protective covers in a one-to-one correspondence; the two cover shafts are connected by a transmission and are configured to rotate in opposite directions.

18. The plug assembly according to claim 17, characterized in that, The transmission mechanism includes an actuating component and a transmission fixing component. The actuating component is rotatably sleeved on the pin shaft and is transmissionally connected to at least one of the two cover shafts. The transmission fixing component is fixedly sleeved on the pin shaft, and the actuating component and the transmission fixing component are detachably transmissionally connected. When the actuating member and the transmission fixing member are engaged in transmission, the actuating member and the transmission fixing member are connected in transmission, so that one of the actuating member and the transmission fixing member drives the other to rotate during rotation; when the actuating member and the transmission fixing member are disengaged in transmission, the actuating member and the transmission fixing member are separated from each other, so that at least one of the actuating member and the transmission fixing member does not interfere with the other during rotation.

19. The plug assembly according to claim 18, characterized in that, The transmission fixing member is provided with a clutch groove along the circumferential direction, and the clutch groove has two side walls at both ends along the circumferential direction; the actuating member is provided with an actuating arm, and the actuating arm extends into the clutch groove; When the actuating arm separates from the two end sidewalls of the clutch groove, the actuating element and the transmission fixing element are disengaged; when the actuating arm and one of the two end sidewalls abut against each other, the actuating element and the transmission fixing element are engaged.

20. The plug assembly according to claim 18, characterized in that, The transmission mechanism includes a transmission shaft, a first transmission gear component, a second transmission gear component, and a first bevel gear; the transmission shaft is rotatably supported on the main body, the first transmission gear component is fixedly sleeved on at least one of the two cover shafts, the second transmission gear component is fixedly sleeved on the transmission shaft, and the first transmission gear component and the second transmission gear component mesh with each other; The first bevel gear is fixedly sleeved on the transmission shaft, and the actuating element is sleeved on the pin shaft to rotate relative to the pin shaft; the first bevel gear and the actuating element mesh with each other.

21. The plug assembly according to claim 18, characterized in that, The plug assembly includes a first sub-drive mechanism, which is drively connected to at least one of the two cover pivots; the first sub-drive mechanism is used to drive the two cover pivots to rotate, wherein: The first sub-drive mechanism includes a first elastic reset member, a fixed component, and a movable component; The fixed component is fixedly sleeved on the corresponding cover pivot to rotate with the cover pivot; the movable component is sleeved on the cover pivot and is connected to the fixed component in a transmission manner. When the fixed component rotates, it drives the movable component to slide relative to the cover pivot and rotate relative to the cover pivot; one end of the first elastic reset member is fixed relative to the main body, and the other end is elastically supported on the side of the movable component away from the fixed component.

22. The plug assembly according to claim 18, characterized in that, The plug assembly includes a second sub-drive mechanism, which is kinetically connected to the pin shaft; the second sub-drive mechanism is used to drive the pin shaft to rotate, wherein: The main body includes a support arm, and the support arm has a support hole; The second sub-drive mechanism includes a swing arm and a second elastic reset member. The swing arm has a contact end that is fixedly in contact with the transmission fixing member. The contact end can swing relative to the pin shaft. The swing arm is connected to the pin shaft in a transmission manner to drive the pin shaft to rotate. The other end of the swing arm passes through the support hole, and the second elastic reset member elastically supports the support arm and the swing arm.

23. The plug assembly according to claim 22, characterized in that, When the plug assembly switches between the storage state and the use state, the contact end rotates circumferentially along the transmission fixing member; when the contact end is at the shortest distance point relative to the transmission fixing member, the contact end has the shortest distance with the support arm, and at this time the second elastic reset member is in an elastic compression state. When the plug assembly is in the retracted state, the contact end is located on one side of the shortest distance point; when the plug assembly is in the use state, the contact end is located on the other side of the shortest distance point. When the contact end moves away from the shortest distance point, the second elastic reset member uses elastic recovery to push the contact end away from the shortest distance point, thereby driving the transmission fixing member to rotate.

24. The plug assembly according to claim 23, characterized in that, The plug assembly includes a button assembly, which corresponds to the second sub-drive mechanism. When the plug assembly is in the use state, the button assembly protrudes from the surface of the main body and is used to drive the second sub-drive mechanism to rotate the two first prongs. Furthermore, by transmitting the second sub-drive mechanism, the transmission mechanism, and the first sub-drive mechanism, the plug assembly is restored to the storage state.

25. The plug assembly according to claim 24, characterized in that, The button assembly includes a button block and a third elastic reset member. A through hole is provided on the surface of the main body. One end of the button block is connected to the main body, and the other end of the button block abuts against the contact end and can rotate relative to the main body within the through hole. The button block abuts against the support arm through the third elastic reset member. When the plug assembly transitions from the stored state to the used state, the swing arm is driven by the transmission mechanism to swing, and the swing arm pushes at least a portion of the button block to rotate relative to the main body to protrude from the surface of the main body, and the third elastic reset member is elastically stretched or compressed; When the plug assembly is in the use state, the rocker arm abuts against the button block to restrict the third elastic reset member from returning to its original position; when the plug assembly is switched from the use state to the storage state, the button block pushes the rocker arm, which in turn pushes the pin shaft to rotate the two first pins.

26. The plug assembly according to claim 18, characterized in that, The transmission fixing member includes a first limiting protrusion and a first limiting block, which are disposed on the outer periphery of the transmission fixing member; the main body includes a second limiting protrusion and a housing part, which surrounds and covers the transmission mechanism in the thickness direction and the width direction, and the second limiting protrusion is disposed on the inner wall of the housing part and faces the transmission fixing member. Wherein, the first limiting protrusion corresponds to the second limiting protrusion; when the plug assembly is in the use state, the second limiting protrusion abuts against the first limiting protrusion to restrict the rotation of the transmission fixing member; when the plug assembly is switched from the use state to the storage state, the first limiting block abuts against the housing portion to restrict the rotation of the transmission fixing member.

27. A charger, characterized in that, include: Main body; A pin assembly, located on the main body, includes three pins; The charger has a plugged-in state and a retracted state. At least one of the plugs is rotatable relative to the other plugs about a preset axis, wherein the preset axis is spaced apart from the plug. When the charger is in the retracted state, the three plugs are arranged along a preset arrangement direction. When the charger is in the plugged-in state, the plug that is rotatable relative to the other plugs is located on one side of the arrangement direction of the other plugs, so that the plug assembly is in a plugged-in state.

28. The charger according to claim 27, characterized in that, The three prongs include a first prong and two second prongs. The first prong is fixed relative to the main body, and the two second prongs are relatively fixed and can rotate together around the preset axis relative to the main body. When the charger is in the stored state, the arrangement direction of the two second prongs coincides with the preset arrangement direction, and the two second prongs and the first prong are arranged along the preset arrangement direction. When the charger is in the plugged-in state, the arrangement direction of the two second prongs intersects with the preset arrangement direction, and the first prong is located on one side of the arrangement direction of the two second prongs.

29. The charger according to claim 28, characterized in that, The charger includes a first housing and a second housing, which are disposed on both sides of the plug assembly. The first housing and the second housing are rotatably disposed on the main body and are respectively connected to the two second plug members to engage and disengage relative to the main body. When the charger is in the retracted state, the first housing and the second housing are engaged relative to the main body to house the plug assembly between the first housing and the second housing. When the charger is in the plugged-in state, the first housing and the second housing are open relative to the main body.

30. The charger according to claim 29, characterized in that, The pin assembly includes a rotating base and a linkage assembly. The rotating base is rotatably disposed on the main body and can rotate relative to the main body around the preset axis. The two second pins are fixedly disposed on the rotating base. The linkage component is disposed on the main body and connects the first housing and the second housing; the linkage component is drivenly connected to the rotating seat, and the linkage component is used to drive the rotating seat to rotate relative to the main body; the linkage component is configured to synchronously drive the rotating seat to rotate during the process of the first housing and / or the second housing rotating from being engaged relative to the main body to being open relative to the main body.

31. The charger according to claim 30, characterized in that, The rotating base includes a rotating spindle extending along the preset axis; The linkage component includes a spindle drive, the rotating spindle is sleeved inside the spindle drive, and both ends of the spindle drive are connected to the first housing and the second housing. The first housing and the second housing are connected to the rotating spindle through the spindle drive. The spindle drive is used to drive the rotating spindle to rotate around the preset axis when it moves relative to the rotating spindle along the preset axis.

32. The charger according to claim 31, characterized in that, The spindle drive component is provided with a guide protrusion, and the outer peripheral surface of the rotating spindle is provided with a guide groove; the guide protrusion is embedded in the guide groove; during the movement of the spindle drive component relative to the rotating spindle, the guide protrusion slides in the guide groove to actuate the rotating spindle.

33. The charger according to claim 32, characterized in that, The guide groove includes a first guide groove and a second guide groove, and the first guide groove and the second guide groove are connected end to end; The first guide groove is configured such that when the guide protrusion slides along the first guide groove, the guide protrusion can actuate the rotating main shaft to rotate in a first direction around the preset axis; the second guide groove is configured such that when the guide protrusion slides along the second guide groove, the rotating main shaft rotates in a second direction opposite to the first direction around the preset axis.

34. The charger according to claim 33, characterized in that, The first guide groove has a starting position and an ending position, and is connected to the second guide groove at the starting position and the ending position respectively; when the guide protrusion is located at the starting position, the charger is in the stored state; when the guide protrusion is located at the ending position, the charger is in the plugged-in state. The sidewall of the first guide groove is provided with a limiting protrusion protruding toward the groove at the end position. The limiting protrusion is used to prevent the guide protrusion from retracting toward the starting position when the guide protrusion moves to the end position; and / or, The sidewall of the first guide groove has a recessed area that is recessed outward at the starting position. The recessed area is used to limit the guide protrusion in other circumferential directions other than the sliding direction of the first guide groove when the guide protrusion moves to the starting position, so as to limit the guide protrusion at the starting position.

35. The charger according to claim 33, characterized in that, The charger further includes an elastic reset member, which is elastically connected between the rotating spindle and the main body. The elastic reset member is used to generate elastic deformation when the charger is in the plugged-in state. In the elastic recovery state, the elastic reset member is used to drive the rotating spindle to rotate in the second direction and cause the guide protrusion to slide along the second guide groove.

36. The charger according to claim 35, characterized in that, The second guide groove includes a transition section and a reset section, which are sequentially connected between the two ends of the first guide groove; the guide protrusion enters the transition section during the process of the charger rotating from the storage state to the plugging state, and the elastic reset member is used to make the guide protrusion slide along the transition section to the reset section when it is in the elastic recovery state; The reset section is configured such that when the elastic reset member is in an elastic recovery state, the guide protrusion slides along the reset section and can be actuated, while the first housing and the second housing are rotated by the main shaft drive to engage with the main body.

37. The charger according to claim 31, characterized in that, The linkage component includes a first drive shaft assembly, which is driveably connected to the first housing and / or the second housing, and is also driveably connected to the main shaft drive component; when the first housing and / or the second housing rotates relative to the main body, the first drive shaft assembly drives the main shaft drive component to move.

38. The charger according to claim 37, characterized in that, The first drive shaft assembly includes a first main drive shaft, first connecting members disposed at both ends of the first main drive shaft, and a gear structure. The first connecting members are connected to the first housing so as to drive the first main drive shaft and the gear structure to rotate when the first housing rotates. The main shaft drive has a rack structure that meshes with the gear structure, and the first transmission shaft assembly is used to convert the rotational motion of the first housing into the linear motion of the main shaft drive.

39. The charger according to claim 38, characterized in that, The first drive shaft assembly further includes a first auxiliary drive shaft and a second connecting member disposed on the first auxiliary drive shaft and connected to the second housing; The first main drive shaft is provided with a first synchronous tooth structure, and the first auxiliary drive shaft is provided with a second synchronous tooth structure. The first main drive shaft and the first auxiliary drive shaft mesh with the first synchronous tooth structure and the second synchronous tooth structure. The second connector connects to the second housing so that when the second housing rotates, it drives the first auxiliary drive shaft and the second synchronous gear structure to rotate.

40. The charger according to claim 39, characterized in that, The first drive shaft assembly further includes an elastic damping component disposed on the first main drive shaft and / or the first auxiliary drive shaft; during the process of the charger rotating to the plugging state, the elastic damping component gradually generates elastic compression when the first main drive shaft and the first auxiliary drive shaft rotate, so as to drive the first housing and the second housing to engage with each other relative to the main body portion during the process of the charger rotating from the plugging state to the storage state.

41. The charger according to claim 40, characterized in that, The elastic damping assembly includes a first bracket, an elastic element, and an abutment plate. The first bracket is fixedly disposed on the main body. The first main drive shaft and / or the first auxiliary drive shaft are rotatably disposed through the first bracket. The first bracket and the abutment plate are spaced apart along the axial direction of the first main drive shaft. The elastic element abuts between the first bracket and the abutment plate. The first main drive shaft and / or the first auxiliary drive shaft are provided with abutting blocks, and the abutting plate is provided with abutting inclined surfaces. The abutting blocks and the abutting inclined surfaces abut against each other. The abutting blocks are configured to move along the abutting inclined surfaces when the first main drive shaft and / or the first auxiliary drive shaft rotates, thereby driving the abutting plate closer to the first bracket during the process of the charger rotating to the plugging state, so that the elastic element gradually generates elastic compression.

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