A charging device

Abstract

The application discloses a charging device, which comprises a shell, a winding reel, a data line, a swing element and two elastic elements. The winding reel is rotationally connected with the shell. The data line is wound on the winding reel. When the data line is pulled out or retracted, the winding reel rotates along the wire-out direction or the wire-in direction, respectively. The swing element is rotationally connected with the shell. When the winding reel rotates, the swing element can be driven to swing, so that the winding reel is locked or unlocked with the shell. When the winding reel is locked with the shell, the rotation of the winding reel along the wire-in direction is prevented, and the rotation of the winding reel along the wire-out direction is allowed, so that the winding reel is unlocked with the shell. The two elastic elements are located on both sides of the swing element along the swing direction of the swing element, respectively. The elastic elements are connected with the swing element and the shell, and are used for keeping the swing element in contact with the winding reel, so that the winding reel can drive the swing element to swing when the winding reel rotates. The overall volume of the charging device can be reduced, and the carrying and storage of the charging device are more convenient.

Description

Technical Field

[0001] This application relates to the field of data cable storage technology, and more particularly to a charging device. Background Technology

[0002] As we use electronic devices (such as mobile phones, iPads, laptops, handheld game consoles, etc.) more and more frequently in our daily lives and work, there are also more and more types of data cables used to charge these electronic devices. Data cables are usually quite long, and in order to keep our desktops tidy, some charging devices are equipped with boxes for storing data cables. When the data cable is released, it can automatically wind back into the box under the action of rotational force.

[0003] However, charging devices are usually quite large, making them inconvenient to carry and store. Utility Model Content

[0004] This application provides a charging device that can reduce the size of the charging device, making it more convenient to carry and store.

[0005] Specifically, a charging device includes: case; The winding reel is rotatably connected to the housing. The data cable is wound on the winding spool. When the data cable is pulled out or retracted, the winding spool rotates in the outgoing direction or the retracting direction, respectively. The retracting direction is opposite to the outgoing direction. The oscillating component is rotatably connected to the housing. When the winding reel rotates, it can drive the oscillating component to oscillate, so that the winding reel can be locked or unlocked with the housing through the oscillating component. When the winding reel is locked with the housing, it prevents the winding reel from rotating along the winding direction and allows the winding reel to rotate along the winding direction to unlock or unlock with the housing. Two elastic elements are located on both sides of the oscillating element along its oscillation direction. The elastic elements are connected to the oscillating element and the housing to keep the oscillating element in contact with the winding reel so that the oscillating element can be driven to oscillate when the winding reel rotates.

[0006] The beneficial effects of this application are as follows: On the one hand, when using the charging device, pulling out the data cable causes the winding reel to rotate in the cable output direction. The winding reel can drive the oscillating component to swing. When the oscillating component swings until the winding reel locks with the housing, the housing can provide rotational resistance to the winding reel. This rotational resistance counteracts the rotational force on the winding reel, causing the charging interface to be in a limited stop state. This prevents the charging interface from being continuously pulled by the rotational force, which could cause the charging interface to become loose from the electronic device. After the charging device is used up, the data cable can be pulled out, causing the winding reel to rotate relative to the housing in the cable output direction. This causes the oscillating component to swing relative to the housing, allowing the oscillating component to unlock and engage with the housing. Consequently, the winding reel unlocks and engages with the housing, releasing the constraint of the housing on the winding reel. The winding reel can then smoothly rotate in the cable retraction direction to retrieve the data cable. On the other hand, by setting two elastic elements on each side of the swinging component along its swing direction, when the swinging component swings and one elastic element is stretched, the other elastic element is compressed. The two elastic elements provide constraint on the swinging component from both sides, and both can provide a restoring force in the same direction. This ensures sufficient constraint on the swinging component, preventing it from failing to return to its normal position. Furthermore, if one elastic element fails, the other elastic element can still restore the swinging component to its normal position, improving the reliability and lifespan of the charging device. It is also worth mentioning that there is sufficient installation space on both sides of the swinging component's swing direction to install the elastic elements, without increasing the circumferential dimensions of the charging device. This allows for a smaller overall size of the charging device, making it more convenient to carry and store. Attached Figure Description

[0007] To more clearly illustrate the technical solutions in the embodiments or related technologies of this application, the drawings used in the description of the embodiments or related technologies will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0008] Figure 1 This is a schematic diagram of the structure of a charging device in one embodiment of this application; Figure 2 This is an exploded view of the components of the charging device in one embodiment of this application; Figure 3 This is an exploded view of the components of a charging device in one embodiment of this application from a first perspective. Figure 4 This is an exploded view of the components of a charging device in one embodiment of this application from a second perspective; Figure 5 This is a schematic diagram of the structure of the first outer shell and the first locking structure in one embodiment of this application; Figure 6This is a partial structural schematic diagram of the charging device when the first transmission member is in the locked position in one embodiment of this application; Figure 7 This is a partial structural schematic diagram of the charging device when the first transmission member is in the locked position in one embodiment of this application; Figure 8 This is a partial structural schematic diagram of the charging device when the first transmission member is in the locked position in one embodiment of this application; Figure 9 This is a partial structural diagram of the charging device when the first transmission component is in the unlocked position in one embodiment of this application; Figure 10 This is a partial structural diagram of the charging device when the first transmission component is in the unlocked position in one embodiment of this application; Figure 11 This is a partial structural schematic diagram of the charging device when the first transmission component is in the recycling position according to one embodiment of this application; Figure 12 This is a partial structural schematic diagram of the charging device when the first transmission component is in the recycling position according to one embodiment of this application; Figure 13 This is a partial structural diagram of the charging device when the first transmission member is in the pulled-out position in one embodiment of this application; Figure 14 This is a partial structural diagram of the charging device when the first transmission member is in the pulled-out position in one embodiment of this application; Figure 15 This is a schematic diagram of the structure of the winding coil, data cable, and other devices in one embodiment of this application from a third-view perspective. Figure 16 This is a schematic diagram of the structure of the winding coil, data line and other devices in one embodiment of this application from a fourth-view perspective.

[0009] Figure label: 10. Housing; 11. First outer shell; 111. Protective cover; 112. Protective cap; 113. First receiving groove; 12. Second outer shell; 13. Positioning post; 14. Cable outlet; 15. Receiving cavity; 16. Protective shell; 17. Partition; 171. Clearance opening; 181. Arc surface; 182. Cutting plane; 183. First opening; 20. Winding reel; 21. Winding post; 22. Reel body; 221. Limiting plate; 222. Cover plate; 23. Second receiving groove; 231. Inlet / outlet groove; 31. Data cable; 32. Charging interface; 41. First locking structure; 411. First locking groove; 42. Limiting block; 421. First limiting groove; 422. Second limiting block 423, third limiting groove; 424, first guide surface; 425, second guide surface; 426, third guide surface; 427, fourth guide surface; 43, guide slide groove; 511, slot; 512, inlet / outlet; 61, first transmission component; 611, sliding part; 612, first locking part; 62, swing component; 621, swing part; 622, locking part; 623, connecting end; 624, movable end; 625, limiting slide groove; 626, first connecting part; 63, elastic component; 64, swing shaft; 70, coil spring; 81, first circuit board; 82, second circuit board; S1, rotation axis; S2, swing axis; R1, wire exit direction; R2, wire take-up direction. Detailed Implementation

[0010] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0011] This application provides a charging device to solve the problem that in related technologies, charging devices are usually large in size, which makes them inconvenient to carry and store.

[0012] Specifically, such as Figure 1 and Figure 2 As shown, the charging device includes a housing 10, a winding reel 20, and a data cable 31.

[0013] The shell 10 can be elongated, disc-shaped, cuboid, or other shapes. This application does not impose specific limitations on the shape of the shell 10.

[0014] The winding disc 20 is rotatably connected to the housing 10. The winding disc 20 can rotate relative to the housing 10 around a rotation axis S1. The winding disc 20 can all be cylindrical. At this time, the rotation axis S1 of the winding disc 20 is the axis of the winding disc 20.

[0015] Data cable 31 is wound on reel 20. When data cable 31 is pulled out or retracted, reel 20 moves along the cable exit direction R1 (e.g., ...). Figure 6 ) or closing direction R2 (e.g. Figure 6 The cable rotates, with the take-up direction R2 opposite to the take-out direction R1. Both the take-out direction R1 and the take-up direction R2 are rotational directions around the rotation axis S1 of the housing 10. When the take-out direction R1 is clockwise, the take-up direction R2 is counterclockwise; when the take-out direction R1 is counterclockwise, the take-up direction R2 is clockwise. The data cable 31 can be configured such that its first end is connected to the winding reel 20 and is used for electrical connection to the power supply, and its second end is connected to a charging interface 32. The charging interface 32 is used to connect to the device to be charged, thereby using a charging device to electrically connect the device to be charged to the power supply.

[0016] Understandably, when the charging device is needed, the user can hold the charging interface 32 with their fingers and pull out the data cable 31, causing the winding reel 20 to rotate relative to the housing 10 in the cable exit direction R1. This releases the portion of the data cable 31 wound on the winding reel 20, facilitating connection of the charging interface 32 to the device to be charged. When the charging device is not needed, the user releases the data cable 31, and the winding reel 20, driven by rotational force, rotates in the cable retraction direction R2 to wind the data cable 31, thus automatically retracting the data cable 31, making the charging device more convenient to use. The rotational force driving the winding reel 20 can be generated by a coil spring 70 (e.g., ...). Figure 16 Components such as ) are provided.

[0017] Specifically, see [link to relevant documentation] Figure 1 and Figure 2 As shown, the charging device also includes a swing member 62 and two elastic members 63.

[0018] The oscillating member 62 is rotatably connected to the housing 10. When the winding reel 20 rotates, it can drive the oscillating member 62 to oscillate, so that the winding reel 20 is locked to the housing 10 through the oscillating member 62 (e.g., Figure 7 ) or unlock (such as Figure 9 When the winding reel 20 is locked to the housing 10 (e.g.) Figure 7 This prevents the winding reel 20 from rotating in the winding direction R2, and allows the winding reel 20 to rotate in the outgoing direction R1, thus unlocking and disengaging the winding reel 20 from the housing 10.

[0019] Two elastic elements 63 are located on either side of the oscillating member 62 along its oscillation direction. The elastic elements 63 are connected to the oscillating member 62 and the housing 10, and are used to keep the oscillating member 62 in contact with the winding reel 20 so that the oscillating member 62 can be driven to oscillate when the winding reel 20 rotates. The oscillation direction of the oscillating member 62 is parallel to the lead-out direction R1 and the take-up direction R2. The elastic elements 63 can be springs, sheet metal, elastic blocks, or other elastic devices capable of elastic deformation.

[0020] It is understandable that when the winding reel 20 rotates, it can drive the oscillating member 62 to swing, allowing the oscillating member 62 to move relative to the housing 10. This allows the oscillating member 62 to lock or unlock with the housing 10, and consequently, the winding reel 20 can be locked or unlocked with the housing 10 via the oscillating member 62. When using the charging device, when the data cable 31 is pulled out to make the winding reel 20 rotate along the cable output direction R1, the winding reel 20 can drive the oscillating member 62 to swing. When the oscillating member 62 swings to the point where the winding reel 20 locks with the housing 10, the housing 10 can provide rotational resistance to the winding reel 20. This rotational resistance counteracts the rotational force on the winding reel 20, keeping the charging interface 32 in a limited stop state. This prevents the charging interface 32 from being continuously pulled by the rotational force, which could cause the charging interface 32 to become loose from the electronic device.

[0021] After the charging device is used up, the data cable 31 can be pulled out, which will cause the winding reel 20 to rotate relative to the housing 10 in the cable output direction R1. This will cause the swinging member 62 to swing relative to the housing 10, so that the swinging member 62 is unlocked and engaged with the housing 10. This will unlock and engage the winding reel 20 with the housing 10, and the constraint of the housing 10 on the winding reel 20 will be released. The winding reel 20 can then rotate smoothly in the cable take-up direction R2 to retract the data cable 31.

[0022] It should also be noted that during the swinging process of the swing member 62, the elastic member 63 can provide a restoring force for the swing member 62, so that the swing member 62 can always maintain contact with the winding reel 20. The swing member 62 has a limit rotation angle in both the outgoing direction R1 and the take-up direction R2. When the swing member 62 rotates to its limit rotation angle, when the winding reel 20 continues to rotate in the predetermined direction, the swing member 62 will not continue to follow the rotation of the winding reel 20. Moreover, when the rotation direction of the winding reel 20 changes, the swing member 62 can be driven to follow the rotation of the winding reel 20 to change direction. In this way, the winding reel 20 can be locked or unlocked with the housing 10 through the swing member 62. For example, when the winding reel 20 rotates in the outgoing direction R1, it drives the swing member 62 to rotate in the outgoing direction R1 and rotates the swing member 62 to its limit rotation angle. Then, when the winding reel 20 rotates in the take-up direction R2, it can drive the swing member 62 to rotate in the take-up direction R2.

[0023] Furthermore, by providing two elastic elements 63 on both sides of the swing member 62 along its swing direction, when the swing member 62 swings and stretches one elastic element 63, the other elastic element 63 is compressed. The two elastic elements 63 provide constraints on the swing member 62 on both sides, and can provide a restoring force in the same direction. This ensures sufficient constraints on the swing member 62, preventing it from failing to return to its normal position. Moreover, if one elastic element 63 fails, the other elastic element 63 can also reset the swing member 62, thereby improving the reliability and service life of the charging device.

[0024] It is also worth mentioning that, compared to setting an elastic device on the side of the swing member 62 away from the winding reel 20 (i.e., the side of the connecting end 623 away from the movable end 624 in the following text) to provide a restoring force for the swing member 62, sufficient installation space needs to be provided for the elastic device on the side of the swing member 62 away from the winding reel 20, which will increase the circumferential size of the charging device; in this application, the two elastic members 63 are set on both sides of the swing member 62 along the swing direction of the swing member 62, and there is sufficient installation space on both sides of the swing direction of the swing member 62 to install the elastic members 63, without increasing the circumferential size of the charging device, so that the overall volume of the charging device can be smaller, thereby making the charging device more convenient to carry and store.

[0025] See also Figure 1 and Figure 2 As shown, in some embodiments, the swing member 62 includes a connecting end 623 and a movable end 624 disposed opposite to each other. The connecting end 623 is rotatably connected to the housing 10 through the swing shaft 64. The movable end 624 is disposed overlapping the winding disk 20 in the axial direction of the swing shaft 64. The axis of the swing shaft 64 is parallel to the rotation axis S1 of the winding disk 20. The axis of the swing shaft 64 is the swing axis center line of the swing member 62. The swing member 62 can swing around the swing axis center line.

[0026] It is understandable that, compared to setting the swing member 62 on the side of the winding reel 20 and not overlapping the winding reel 20 in the axial direction of the swing shaft 64, this would increase the circumferential dimension of the charging device and make the overall volume of the charging device larger; while in this embodiment, the movable end 624 and the winding reel 20 are overlapped in the axial direction of the swing shaft 64, which can further reduce the circumferential dimension of the charging device and make the overall volume of the charging device smaller.

[0027] In some embodiments, the swing member 62 has a first connecting portion 626 on the side along its swing direction, and the connecting end 623 is closer to the first connecting portion 626 than the movable end 624.

[0028] Among them, the elastic element 63 is a spring, with its first end connected to the first connecting part 626 and its second end connected to the housing 10. It is understood that compared to elastic devices such as spring sheets, the spring can provide a larger and more stable force to the swinging element 62, making the swinging of the swinging element 62 more stable and smooth. Furthermore, the spring and the swinging element 62 are connected through the first connecting part 626, which is located closer to the connecting end 623. This makes the point of force application of the spring on the swinging element 62 closer to the connecting end 623, thereby allowing the swinging of the swinging element 62 to be smoother when driven by the spring, preventing the swinging element 62 from jamming.

[0029] like Figures 2 to 5 As shown, in some embodiments of this application, the charging device further includes a first locking structure 41, which is disposed on the housing 10. When the winding reel 20 rotates, it engages or disengages with the swing member 62, and the swing member 62 engages or disengages with the first locking structure 41, so that the winding reel 20 is engaged or disengaged from the housing 10.

[0030] It is understandable that the winding reel 20 is constrained by engaging with the oscillating member 62. When the winding reel 20 is engaged with the oscillating member 62, and the oscillating member 62 is locked with the first locking structure 41, the housing 10 prevents the oscillating member 62 from rotating along the winding direction R2 through the first locking structure 41. This, in turn, prevents the winding reel 20 from rotating along the winding direction R2, thus locking the winding reel 20 with the housing 10 through the oscillating member 62, preventing the winding reel 20 from rotating along the winding direction R2, while allowing the winding reel 20 to rotate along the output direction R1. This prevents the winding reel 20 from rotating along the winding direction R2 to retrieve the data cable 31. When the winding reel 20 rotates along the output direction R1 until the winding reel 20 and the oscillating member 62 disengage, the constraint of the oscillating member 62 on the winding reel 20 is released, allowing the winding reel 20 to smoothly rotate along the winding direction R2 to retrieve the data cable 31.

[0031] like Figure 6 As shown, in some embodiments, the swing member 62 includes a swing portion 621 and a locking portion 622. The swing portion 621 includes a connecting end 623 and a movable end 624. The locking portion 622 is connected to the movable end 624 on the side facing the winding reel 20.

[0032] The outer edge of the winding reel 20 is provided with a slot 511. When the winding reel 20 rotates, the engaging part 622 is inserted into the slot 511 (e.g., ...). Figure 6 ) or separate from the card slot 511 (such as Figure 9 ), so that the winding reel 20 engages or disengages with the oscillating member 62, and the engaging part 622 is located outside the slot 511 (e.g. Figure 9The outer peripheral side of the winding reel 20 contacts the engaging part 622 so that the oscillating member 62 can be driven to oscillate when the winding reel 20 rotates.

[0033] It is understandable that when the winding reel 20 rotates to drive the oscillating member 62 to oscillate, the oscillation direction of the oscillating member 62 is opposite to the rotation direction of the winding reel 20. For example, the winding reel 20 rotates along the wire output direction R1 to drive the oscillating member 62 to oscillate along the wire take-up direction R2, and the winding reel 20 rotates along the wire take-up direction R2 to drive the oscillating member 62 to oscillate along the wire take-up direction R2. When the winding reel 20 rotates and the engaging part 622 is outside the slot 511, the winding reel 20 can drive the swinging member 62 to swing through friction with the engaging part 622. When the swinging member 62 swings to insert into the slot 511, the engaging part 622 engages with the slot 511, thereby engaging the winding reel 20 with the swinging member 62. If the swinging member 62 is locked with the first locking structure 41, the winding reel 20 can be locked with the housing 10, thereby preventing the winding reel 20 from rotating in the winding direction. The winding reel 20 can rotate in the outgoing direction R1 at this time, so that the engaging part 622 separates from the slot 511, thereby releasing the constraint of the swinging member 62 on the winding reel 20.

[0034] In some embodiments, the slot 511 has an inlet 512 located on the outer peripheral side of the winding reel 20. When the winding reel 20 rotates, the engaging part 622 enters and exits the slot 511 through the inlet 512.

[0035] It is understandable that the swinging part 621 and the winding disc 20 are arranged along the axial direction of the swing shaft 64, so that the swinging part 621 and the winding disc 20 are overlapped in the axial direction of the swing shaft 64. The slot 511 is located at the outer peripheral edge of the winding disc 20. During the rotation of the winding disc 20, when the engaging part 622 is outside the slot 511, the swinging member 62 can be driven to swing through the cooperation between the outer peripheral side of the winding disc 20 and the engaging part 622. When the winding disc 20 rotates to the position where the slot 511 and the engaging part 622 are opposite each other, the engaging part 622 can enter the slot 511 through the inlet and outlet 512. At this time, if the winding disc 20 continues to rotate, the swinging member 62 can be driven to swing through the cooperation between the groove wall of the slot 511 and the engaging part 622. When the winding disc 20 rotates, the engaging part 622 can also move out of the slot 511 through the inlet and outlet 512, making it more convenient for the engaging part 622 to enter and exit the slot 511.

[0036] like Figure 5 as well as Figures 8 to 14 As shown, in some embodiments of this application, the first locking structure 41 has a first locking groove 411, and the charging device further includes a limiting block 42 and a first transmission member 61.

[0037] The limiting block 42 is arranged around the periphery of the first locking structure 41 to define a guide groove 43 that is arranged around the periphery of the first locking structure 41. The first locking groove 411 is located on the side of the first locking structure 41 facing the guide groove 43 and is connected to the guide groove 43.

[0038] The first transmission component 61 is disposed on the side of the swing component 62 near the first locking structure 41. The first transmission component 61 includes a sliding part 611 and a first locking part 612. The sliding part 611 is slidably connected to the swing component 62 along the extension direction of the swing component 62. The first locking part 612 is connected to the side of the sliding part 611 near the first locking structure 41 and is inserted into the guide groove 43. The first locking part 612 can be integrally formed with the sliding part 611, or the first locking part 612 can be formed separately from the sliding part 611 and then spliced ​​by welding, snap-fitting, threaded connection or other methods.

[0039] When the winding reel 20 rotates to drive the oscillating member 62 to oscillate, it drives the first locking part 612 to slide along the guide groove 43, so that the first locking part 612 locks or unlocks with the first locking groove 411; the movable trajectory of the first transmission member 61 has a locking position (such as...). Figures 6 to 8 ) and unlock location (such as Figure 9 and Figure 10 When the first transmission member 61 is in the locked position, the first transmission member 61 is locked in the first locking groove 411 so that the swing member 62 is locked with the first locking structure 41; when the winding disc 20 rotates along the wire output direction R1 to move the first transmission member 61 from the locked position to the unlocked position, the first transmission member 61 is separated from the first locking groove 411 so that the swing member 62 is unlocked and engaged with the first locking structure 41.

[0040] It is understandable that, such as Figure 8 As shown, when the first locking part 612 is locked into the first locking groove 411, the cooperation between the first locking part 612 and the first locking groove 411 can prevent the winding reel 20 from rotating along the winding direction R2, thereby stopping the winding reel 20 from rotating along the winding direction R2 to retract the data cable 31. The charging interface 32 is in a limited stop state, and at this time the winding reel 20 can rotate along the cable output direction R1, as shown. Figure 10 As shown, when the data cable 31 is pulled out, causing the winding reel 20 to rotate along the cable output direction R1, and driving the first locking part 612 to move to the unlocked position, the first locking part 612 separates from the first locking groove 411, the constraint of the first transmission member 61 on the winding reel 20 is released, and the winding reel 20 can smoothly rotate along the cable take-up direction R2 to retract the data cable 31.

[0041] It should also be noted that the first transmission member 61 is connected to the winding reel 20 via the swing member 62. When the winding reel 20 rotates, it can drive the swing member 62 to swing, thereby driving the first transmission member 61 to slide. This allows the first transmission member 61 to slide relative to the first locking structure 41 along the guide groove 43. Through the cooperation between the guide groove 43 and the first locking part 612, the movement trajectory of the first transmission member 61 can be restricted, allowing the first transmission member 61 to move accurately along the preset trajectory. This ensures that when the first transmission member 61 moves to the locking position, the first locking part 612 locks with the first locking groove 411, and the first transmission member 61 is engaged. The locking of component 61 with the first locking structure 41 and the engagement of the swing component 62 with the winding reel 20 can lock the winding reel 20 with the housing 10. The housing 10 can then provide rotational resistance to the winding reel 20, thereby preventing the winding reel 20 from rotating in the winding direction R2. The winding reel 20 can rotate in the outgoing direction R1, so that the first transmission component 61 can move to the unlocked position. When the first transmission component 61 moves to the unlocked position, the first locking part 612 can separate from the first locking groove 411, thereby unlocking and engaging the first locking part 612 with the first locking groove 411, and thus releasing the constraint of the first transmission component 61 on the winding reel 20.

[0042] In addition, the sliding engagement between the first locking part 612 and the guide groove 43 allows the swing member 62 to have a clear limit rotation angle in both the outgoing direction R1 and the retracting direction R2, preventing the swing member 62 from swinging out of position and becoming difficult to reset.

[0043] In some embodiments, multiple slots 511 are provided, and the multiple slots 511 are arranged at intervals along the periphery of the winding reel 20. Two, three, or more slots 511 may be provided. It is understood that when the winding reel 20 rotates along the take-up direction R2 to retract the data cable 31, thereby driving the first transmission member 61 to the locking position, if the engaging part 622 is in contact with the outer peripheral side of the winding reel 20 at this time, but has not moved into the slot 511, the winding reel 20 will overcome the frictional force between the engaging part 622 and the outer peripheral side of the winding reel 20 under the action of rotational force, causing the winding reel 20 to continue rotating along the take-up direction R2 to retract the data cable 31, until the winding reel 20 rotates until the engaging part 622 moves into the slot 511, thereby preventing the winding reel 20 from continuing to rotate along the take-up direction R2 through the cooperation of the engaging part 622 and the slot 511.

[0044] During the process from the first transmission member 61 moving to the locking position to the engagement part 622 moving to the slot 511, the length of the data cable 31 retracted by the winding reel 20 can be called the retraction error length. The larger the retraction error length, the greater the difference between the actual length of the data cable 31 in use and the length pulled out when the data cable 31 is pulled out, which can easily lead to the actual length of use not meeting the user's needs. In this embodiment, by setting multiple slots 511, the winding reel 20 can be prevented from continuing to rotate along the winding direction R2 when it rotates to the engagement part 622 and moves to any slot 511. This can shorten the retraction error length, thereby making the difference between the actual length of the data cable 31 in use and the length pulled out smaller, so that the actual length of use can meet the user's needs.

[0045] like Figure 5 , Figures 11 to 14 As shown, in some embodiments, the movable trajectory of the first transmission member 61 also has a pull-out position (e.g., Figure 11 and Figure 12 ) and recycling location (e.g. Figure 13 and Figure 14 The pull-out position, locking position, unlocking position and retraction position are arranged sequentially along the extension direction of the guide slide 43; the inner side of the limiting block 42 has a first limiting groove 421, a second limiting groove 422 and a third limiting groove 423 arranged sequentially along the extension direction of the guide slide 43.

[0046] When the first transmission member 61 is in the pulled-out position, the first locking part 612 is located in the first limiting groove 421, so as to prevent the first transmission member 61 from moving to the locking position when the winding disc 20 rotates along the wire output direction R1, and to enable the first transmission member 61 to move to the locking position when the winding disc 20 rotates along the wire take-up direction R2.

[0047] When the first transmission member 61 is in the unlocked position, the first locking part 612 is located in the second limiting groove 422, so as to prevent the first transmission member 61 from moving to the retraction position when the winding reel 20 rotates along the wire output direction R1, and to enable the first transmission member 61 to move to the retraction position when the winding reel 20 rotates along the wire take-up direction R2.

[0048] When the first transmission member 61 is in the retracted position, the first locking part 612 is located in the third limiting groove 423, so as to prevent the first transmission member 61 from moving to the pull-out position when the winding reel 20 rotates along the winding direction R2, and to enable the first transmission member 61 to move to the pull-out position when the winding reel 20 rotates along the output direction R1.

[0049] Understandably, the following description uses the locked position as the starting point of the movement of the first transmission member 61, and explains the movement process of the first transmission member 61 moving one revolution along the guide groove 43: like Figure 8 As shown, when the first transmission member 61 is in the locked position, the first locking part 612 is locked in the first locking groove 411, and the swing member 62 is engaged with the slot 511. Due to the constraint of the first locking groove 411 on the first locking part 612, the winding reel 20 can be prevented from rotating along the winding direction R2, thereby allowing the charging interface 32 to be in a limited stop state, which facilitates the connection between the charging interface 32 and the electronic device. However, at this time, the winding reel 20 can still rotate along the output direction R1. By pulling out the data cable 31, the winding reel 20 can be rotated along the output direction R1, thereby driving the swing member 62 to swing along the winding direction R2. Then, through the cooperation of the swing member 62, the first transmission member 61 and the winding reel 20, the first locking part 612 can move from the locked position to the unlocked position along the guide groove.

[0050] like Figure 10 As shown, when the data cable 31 is pulled out, causing the first transmission member 61 to move to the unlocked position, the first locking part 612 moves to the second limiting groove 422. Through the limiting effect of the second limiting groove 422 on the first locking part 612, when the winding reel 20 rotates along the cable outgoing direction R1, it can prevent the swing member 62 from continuing to swing along the cable reeling direction R2, thereby preventing the first transmission member 61 from moving to the retraction position. However, when the winding reel 20 rotates along the cable reeling direction R2 to retract the data cable 31, the winding reel 20 can drive the swing member 62 to swing along the cable outgoing direction R1. Thus, through the cooperation of the swing member 62, the first transmission member 61, and the winding reel 20, the first locking part 612 can move from the unlocked position to the retraction position along the guide groove.

[0051] like Figure 12 As shown, when the data cable 31 is retracted, causing the first transmission member 61 to move to the retraction position, the first locking part 612 moves to the third limiting groove 423. Through the limiting effect of the third limiting groove 423 on the first locking part 612, when the winding reel 20 rotates along the winding direction R2, it can prevent the swing member 62 from continuing to swing along the outgoing direction R1, thereby preventing the first transmission member 61 from moving to the pull-out position. The winding reel 20 can continue to rotate along the winding direction R2 to retract the data cable 31, so that the data cable 31 can be completely retracted onto the winding reel 20, thereby facilitating the storage of the charging device. At this time, the data cable 31 can still be pulled out to make the winding reel 20 rotate along the outgoing direction R1, thereby driving the swing member 62 to swing along the winding direction R2. Then, through the cooperation of the swing member 62, the first transmission member 61, and the winding reel 20, the first locking part 612 can move from the retraction position to the pull-out position along the guide groove.

[0052] like Figure 14As shown, when the data cable 31 is pulled out, causing the first transmission member 61 to move to the pulled-out position, the first locking part 612 moves to the first limiting groove 421. The limiting groove 421 limits the locking part 612, preventing the oscillating member 62 from continuing to oscillate along the take-up direction R2 when the winding reel 20 rotates along the lead-out direction R1. This prevents the first transmission member 61 from moving towards the locking position, allowing the data cable 31 to be continuously pulled out, causing the winding reel 20 to continuously rotate along the lead-out direction R1. When the length of the pulled-out data cable 31 meets the user's needs, the user can release the constraint on the data cable 31, causing the winding reel 20 to rotate around the take-up direction R2 under the action of rotational force. This drives the oscillating member 62 to rotate along the lead-out direction R1, thereby causing the first transmission member 61 to move towards the locking position (e.g., ...). Figure 8 This causes the charging port 32 to be in a limited stop state.

[0053] It is understandable that the first transmission component 61 needs to perform two pull-out actions and two retraction actions to move one revolution along the guide groove 43. Taking the locked position as the starting point of the movement of the first transmission component 61, when the data cable 31 is pulled out for the first time, the first transmission component 61 can move from the locked position to the unlocked position. Then, when the data cable 31 is retracted for the first time, the first transmission component 61 moves from the unlocked position to the retracted position. When the data cable 31 is pulled out for the second time, the first transmission component 61 can move from the retracted position to the pulled-out position. Then, when the data cable 31 is retracted for the second time, the data cable 31 can move from the pulled-out position to the locked position. This allows the user to switch between the paused state and the fully retracted state of the data cable 31 by pulling out the data cable 31 when using the charging device, making the use of the charging device more convenient.

[0054] like Figure 5 As shown, in some embodiments, the inner side of the limiting block 42 includes a first guide surface 424, a second guide surface 425, a third guide surface 426, and a fourth guide surface 427. The first limiting groove 421, the first guide surface 424, the second guide surface 425, the second limiting groove 422, the third guide surface 426, the third limiting groove 423, and the fourth guide surface 427 are arranged sequentially along the extension direction of the guide slide groove 43 and are connected sequentially.

[0055] The first guide surface 424 extends inclinedly from the first limiting groove 421 toward the first locking groove 411, and the second guide surface 425 extends inclinedly from the second limiting groove 422 toward the first locking groove 411. The second guide surface 425 and the first guide surface 424 are connected at the connecting node to form a protruding structure, with the connecting node facing the first locking groove 411.

[0056] The third guide surface 426 extends from the second limiting groove 422 to the third limiting groove 423, and the fourth guide surface 427 extends from the third limiting groove 423 to the first limiting groove 421. The third guide surface 426, the third limiting groove 423 and the fourth guide surface 427 form a V-shaped structure.

[0057] It is understandable that the guiding effect of each guide surface (first guide surface 424, second guide surface 425, third guide surface 426 and fourth guide surface 427) makes the first locking part 612 move more smoothly along the guide groove 43.

[0058] It should also be noted that the following explanation describes the oscillation process of the oscillating member 62. Combined with the role of the elastic member 63 in the oscillation process of the oscillating member 62, it explains how the oscillating member 62 is driven to follow the rotation of the winding reel 20 when the rotation direction of the winding reel 20 changes: like Figure 8 As shown, the winding reel 20 rotates along the winding direction R2 to retract the data cable 31, causing the swing member 62 to rotate along the cable exit direction R1. When the first transmission member 61 moves from the pull-out position to the unlocked position, the first locking part 612 is blocked by the first locking structure 41, preventing the winding reel 20 from continuing to rotate along the cable exit direction R1. Furthermore, since the locking part 622 is locked in the slot 511 at this time, the swing member 62 can prevent the winding reel 20 from continuing to rotate along the winding direction R2 to retract the data cable 31. At this time, both elastic members 63 can be in a natural extension and contraction state, allowing the swing member 62 to remain stable and preventing vibration and other factors from causing the swing member 62 to swing.

[0059] like Figure 10 As shown, pulling out the data cable 31 causes the winding reel 20 to rotate along the output direction R1, driving the oscillating member 62 to rotate along the take-up direction R2. This causes the first transmission member 61 to move from the locked position to the unlocked position. At this point, due to the limitation of the guide groove, the oscillating member 62 is already at its limit rotation angle in the take-up direction R2. When the data cable 31 is pulled out further, causing the winding reel 20 to continue rotating along the output direction R1, the oscillating member 62 will not continue to rotate along the take-up direction R2. Consequently, the first transmission member 61 will not move towards the retraction position at this time. Figure 10 The lower elastic member 63 is in a stretched state, and the upper elastic member 63 is in a compressed state, which makes the swing member 62 tend to move along the wire exit direction R1. This allows the engaging part 622 to maintain contact with the outer peripheral side of the winding reel 20. When the winding reel 20 rotates along the wire take-up direction R2 to retract the data cable 31, the swing member 62 can rotate along the wire exit direction R1 under the drive of the winding reel 20 and the reset elastic force of the elastic member 63, thereby driving the first transmission member 61 to move from the unlocked position to the take-up position.

[0060] like Figure 12 As shown, when the first transmission member 61 moves from the unlocked position to the retracted position, due to the restriction of the guide groove, the swing member 62 is already at its limit rotation angle in the cable exit direction R1. When the winding reel 20 continues to rotate in the cable take-up direction R2 to continue retracting the data cable 31, the swing member 62 will not continue to rotate in the cable exit direction R1. Consequently, the first transmission member 61 will not move towards the pull-out position, thus allowing the data cable 31 to be completely retracted and wound onto the winding reel 20. Figure 12 The lower elastic member 63 is in a compressed state, while the upper elastic member 63 is in a stretched state, causing the swing member 62 to tend to move along the winding direction R2. This allows the engaging part 622 to maintain contact with the outer peripheral side of the winding reel 20. When the data cable 31 is pulled out and the winding reel 20 rotates along the output direction R1, the swing member 62 can rotate along the winding direction R2 under the drive of the winding reel 20 and the restoring force of the elastic member 63, thereby driving the first transmission member 61 to move from the retracted position to the pulled-out position.

[0061] like Figure 14 As shown, when the first transmission component 61 moves from the retracted position to the pulled-out position, due to the limitation of the guide groove, the swing component 62 is already at its limit rotation angle in the take-up direction R2. When the data cable 31 continues to be pulled out, causing the winding reel 20 to continue rotating along the output direction R1, the swing component 62 will not continue to rotate along the take-up direction R2. Consequently, the first transmission component 61 will not move towards the unlocked position, allowing the data cable 31 to be continuously pulled out until the length of the pulled-out data cable 31 meets the customer's usage requirements. At this time... Figure 14 The lower elastic member 63 is in a stretched state, and the upper elastic member 63 is in a compressed state, which makes the swing member 62 tend to move along the wire exit direction R1. This allows the locking part 622 to maintain contact with the outer peripheral side of the winding reel 20. When the winding reel 20 rotates along the wire take-up direction R2 to retract the data cable 31, the swing member 62 can rotate along the wire exit direction R1 under the drive of the winding reel 20 and the restoring force of the elastic member 63, thereby driving the first transmission member 61 to move from the pull-out position to the locking position.

[0062] In some embodiments, such as Figure 7As shown, the swing member 62 has a limiting groove 625, the extension direction of which is parallel to the arrangement direction of the connecting end 623 and the movable end 624. The first transmission member 61 is connected to a limiting slider that cooperates with the limiting groove 625 to achieve a sliding connection between the first transmission member 61 and the swing member 62. When the swing member 62 rotates, the first transmission member 61 slides relative to the swing member 62 along the limiting groove 625, so that the first transmission member 61 can move according to a preset trajectory. Specifically, the engaging part 622 is connected to the movable end 624, and the limiting groove 625 is located on the swing part 621.

[0063] like Figure 15 and Figure 16 As shown, in some embodiments, the winding reel 20 includes a winding post 21 and a reel body 22.

[0064] The data cable 31 is wound around the winding post 21; the reel 22 is rotatably connected to the housing 10 via the winding post 21; the oscillating member 62 and the data cable 31 are located on opposite sides of the reel 22, and the reel 22 is in contact with the oscillating member 62 so that the oscillating member 62 can be driven to oscillate when the reel 20 rotates. The portion of the data cable 31 wound on the winding post 21 can be separated from the oscillating member 62 by the reel 22 to prevent the movement of the data cable 31 from interfering with the movement of the oscillating member 62.

[0065] The winding post 21 has a second receiving groove 23, and the charging device also includes a coil spring 70 located in the second receiving groove 23. The coil spring 70 is connected to the winding post 21 and the housing 10. The coil spring 70 provides rotational force to the winding reel 20 so that after the winding reel 20 is unlocked and engaged with the housing 10, it can drive the winding reel 20 to rotate in the winding direction R2. It can be understood that by hiding the coil spring 70 in the second receiving groove 23 of the winding post 21, the space occupied by the winding reel 20 can be fully utilized, thereby further reducing the overall size of the charging device and making the charging device more convenient to carry and store.

[0066] In some embodiments, the disk body 22 includes a limiting plate 221 and a cover plate 222; the limiting plate 221 extends around the outer periphery of the winding post 21 and is connected to the winding post 21; the second receiving groove 23 has an inlet / outlet slot 231 provided on the limiting plate 221; the cover plate 222 is detachably disposed on the limiting plate 221 and covers the inlet / outlet slot 231 for opening and closing the inlet / outlet slot 231; the cover plate 222 contacts the swing member 62 so as to drive the swing member 62 to swing when the winding disk 20 rotates. The cover plate 222 can be detachably connected to the limiting plate 221 by means of snap-fit ​​connection, threaded connection, etc.

[0067] It is understandable that the cover plate 222 is the part of the winding reel 20 that is in contact with the swing member 62. The winding reel 20 is driven to rotate by the cover plate 222, and the slot 511 is provided on the cover plate 222, so that the cover plate 222 can be used to engage or disengage with the swing member 62. In addition, the cover plate 222 can also be used to close the inlet and outlet slot 231, thereby preventing the coil spring 70 from falling out of the second receiving slot 23. There is no need to provide an additional sealing cover for the coil spring 70, which can reduce the axial size of the charging device on the swing shaft 64, thereby further reducing the volume of the charging device.

[0068] In some embodiments, the charging device may further include an electronic control component, which includes a first circuit board 81 and a second circuit board 82. The first circuit board 81 is disposed opposite to the disk body 22 and is fixedly connected to the winding post 21. The portion of the data cable 31 wound on the winding post 21 is located between the first circuit board 81 and the disk body 22, and the first end of the data cable 31 is connected to the first circuit board 81. The second circuit board 82 is located on the side of the first circuit board 81 away from the disk body 22 and is rotatably connected to the housing 10. The second circuit board 82 is electrically connected to the first circuit board 81 and can rotate relative to the first circuit board 81. The second circuit board 82 is used to electrically connect to a power source, thereby connecting the electronic device to the power source through the charging device.

[0069] like Figures 2 to 4 As shown, in some embodiments, the housing 10 has a receiving cavity 15, the winding disc 20 and the swing member 62 are all located in the receiving cavity 15 and are arranged sequentially along the extension direction of the rotation axis S1 of the winding disc 20, so that the arrangement of the winding disc 20 and the swing member 62 is more compact, thereby further reducing the overall volume of the charging device.

[0070] It should also be noted that a cable outlet 14 communicating with the receiving cavity 15 can be provided on the peripheral side plate of the housing 10. The second end of the data cable 31 passes through the cable outlet 14, and the cable outlet 14 can provide a cable routing channel for the data cable 31.

[0071] In some embodiments, the housing 10 includes a protective shell 16 and a partition 17. The protective shell 16 has a receiving cavity 15. The partition 17 is located between the limiting plate 221 and the swing member 62 and is connected to the protective shell 16. The swing member 62 is rotatably connected to the partition 17. The elastic member 63 is located on the side of the partition 17 away from the limiting plate 221. It is understood that the swing member 621 and the elastic member 63 are physically separated from the limiting plate 221 by the partition 17, which can prevent the swing member 62 from contacting the limiting plate 221, thereby preventing the limiting plate 221 from causing the swing member 62 to swing when the winding reel 20 rotates, thus preventing the swing member 62 from deviating from the set swing trajectory.

[0072] It should also be noted that, specifically, the partition 17 is located between the limiting plate 221 and the swinging part 621. The swinging part 621 is rotatably connected to the partition 17 via the swing shaft 64. The partition 17 can separate the swinging part 621 from the limiting plate 221 and the cover plate 222, thereby preventing the swinging part 621 from contacting the limiting plate 221 and the cover plate 222. In addition, the partition 17 is also provided with a clearance opening 171 communicating with the receiving cavity 15. The engaging part 622 passes through the clearance opening 171 and contacts the outer peripheral side of the cover plate 222, and the clearance opening 171 can provide swing space for the engaging part 622.

[0073] In some embodiments, the protective shell 16 may include a first shell 11 and a second shell 12, the second shell 12 being connected to the first shell 11 to enclose and form a receiving cavity 15.

[0074] In some embodiments, the first outer shell 11 may include a protective cover 111 and a protective cover 112. A partition 17 is disposed on the protective cover 111 and forms a first receiving groove 113 with the protective cover 111. A first locking structure 41, a first transmission member 61, a swing member 62, and an elastic member 63 are all disposed in the first receiving groove 113. The first receiving groove 113 communicates with the receiving cavity 15 through a clearance opening 171. The protective cover 112 is disposed on the opening of the first receiving groove 113 to prevent the first transmission member 61, the swing member 62, and the elastic member 63 from falling out of the first receiving groove 113. The first locking structure 41 is disposed on the inner side of the protective cover 112. The protective cover 112 can be detachably connected to the protective cover 111 by means of snap-fit ​​connection, threaded connection, etc. After the user removes the protective cover 112, he / she can observe the operation of the first transmission member 61, the swing member 62, and the elastic member 63 through the opening of the first receiving groove 113.

[0075] In some embodiments, the outer peripheral side of the housing 10 includes an arcuate surface 181 and a cutting plane 182. The arcuate surface 181 and the cutting plane 182 are arranged circumferentially around the housing 10. The cutting plane 182 has a first opening 183 communicating with the receiving cavity 15. It is understood that by providing the cutting plane 182, the housing 10 can be elliptical or approximately elliptical in shape. Compared to a circle, the volume of the elliptical housing 10 can be smaller, thereby reducing the volume of the charging device. Furthermore, by opening the first opening 183, the portion of the housing 10 located at the first opening 183 can be removed, thereby further reducing the volume of the housing 10, and thus further reducing the volume of the charging device.

[0076] In some embodiments, a positioning post 13 is provided on the second housing 12, and the winding reel 20 is sleeved on the positioning post 13, thereby achieving a rotatable connection with the housing 10. It should be noted that when assembling the charging device, the first circuit board 81 can be first connected to the winding post 21 by means of heat fusion or other methods, and then the second circuit board 82 can be connected using surface mount technology (Surface Mount). The data cable 31 is connected to the first circuit board 81 by means of technology (SMT), etc.; then the first end of the data cable 31 is passed through the winding reel 20 and soldered to the first circuit board 81, and the first end of the data cable 31 is fixed to the winding reel 20 by means of screw fixing or glue fixing, etc.; then the coil spring 70 is installed in the second receiving groove 23, the cover plate 222 is placed on the inlet and outlet groove 231 of the second receiving groove 23, and the cover plate 222 is connected to the main body by means of snap-fit ​​connection; then the first circuit board 81, the second circuit board 82 and the winding reel 20 are put on the positioning post 13 of the second housing 12; then the protective cover 111 is fastened to the second housing 12, and the first transmission component 61, the swing component 62 and the elastic component 63 are installed in the first receiving groove 113; the protective cover 112 is placed on the groove of the first receiving groove 113, and the protective cover 112 is connected to the protective cover 111 by means of screws and other devices.

[0077] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A charging device, characterized in that, include: case; The winding reel is rotatably connected to the housing. The data cable is wound on the winding spool. When the data cable is pulled out or retracted, the winding spool rotates in the outgoing direction or the retracting direction, respectively. The retracting direction is opposite to the outgoing direction. The oscillating component is rotatably connected to the housing. When the winding reel rotates, it can drive the oscillating component to oscillate, so that the winding reel can be locked or unlocked with the housing through the oscillating component. When the winding reel is locked with the housing, it prevents the winding reel from rotating along the winding direction and allows the winding reel to rotate along the winding direction to unlock or unlock with the housing. Two elastic elements are located on both sides of the oscillating element along its oscillation direction. The elastic elements are connected to the oscillating element and the housing to keep the oscillating element in contact with the winding reel so that the oscillating element can be driven to oscillate when the winding reel rotates.

2. The charging device of claim 1, wherein, The swinging component includes a connecting end and a movable end arranged opposite to each other. The connecting end is rotatably connected to the housing via a swinging shaft. The movable end and the winding disc are arranged overlapping in the axial direction of the swinging shaft. The axis of the swinging shaft is parallel to the axis of rotation of the winding disc.

3. The charging device of claim 2, wherein, The swing member has a first connecting portion on its side along its swing direction, and the connecting end is closer to the first connecting portion than the movable end; The elastic element is a spring, with its first end connected to the first connecting part and its second end connected to the housing.

4. The charging device of claim 1, wherein, The winding reel includes: A winding post, on which the data cable is wound; and... The disk body is rotatably connected to the housing via the winding post. The oscillating member and the data cable are located on opposite sides of the disk body. The disk body is in contact with the oscillating member so that the oscillating member can be driven to oscillate when the winding disk rotates. The winding post has a second receiving groove, and the charging device further includes a coil spring located in the second receiving groove. The coil spring is connected to the winding post and the housing. The coil spring is used to provide rotational force to the winding reel so that it can drive the winding reel to rotate along the winding direction after the winding reel is unlocked and engaged with the housing.

5. The charging device of claim 4, wherein, The disk body includes: A limiting plate extends around the outer periphery of the winding post and is connected to the winding post; the second receiving groove has an inlet and outlet slot provided on the limiting plate. A cover plate is detachably disposed on the limiting plate and covers the inlet / outlet slot for opening and closing the inlet / outlet slot. The cover plate contacts the swing member to engage or disengage with the swing member when the winding reel rotates, and can drive the swing member to swing.

6. The charging device of claim 1, wherein, The housing has a receiving cavity, and the winding reel and the oscillating member are both located in the receiving cavity and are arranged sequentially along the extension direction of the rotation axis of the winding reel.

7. The charging device of claim 6, wherein, The winding reel includes: A winding post, on which the data cable is wound; and... The disc body is rotatably connected to the housing via the winding post. The disc body includes a limiting plate and a cover plate. The limiting plate extends around the outer periphery of the winding post and is connected to the winding post. The cover plate is disposed on the limiting plate and contacts the swing member so that the swing member can be driven to swing when the winding disc rotates. The housing includes a protective shell and a partition. The protective shell has a receiving cavity. The partition is located between the limiting plate and the swing member and is connected to the protective shell. The swing member is rotatably connected to the partition. The elastic member is located on the side of the partition away from the limiting plate.

8. The charging device according to claim 6, characterized in that, The outer peripheral side of the housing includes an arc surface and a cutting plane. The arc surface and the cutting plane are arranged along the circumference of the housing. The cutting plane has a first opening that communicates with the receiving cavity.

9. The charging device according to claim 1, characterized in that, The charging device further includes: A first locking structure is disposed on the housing. When the winding reel rotates, it engages or disengages with the swing member, and the swing member engages or disengages with the first locking structure, so that the winding reel engages or disengages with the housing.

10. The charging device of claim 9, wherein, The swing element includes: The swinging part includes a connecting end and a movable end disposed opposite to each other, and the connecting end is rotatably connected to the housing via a swinging shaft; The engaging part is connected to the side of the movable end facing the winding spool; The outer edge of the winding reel is provided with a slot. When the winding reel rotates, the engaging part is inserted into or separated from the slot, so that the winding reel can engage or disengage with the swinging member. When the engaging part is outside the slot, the outer peripheral side of the winding reel contacts the engaging part, so that the rotation of the winding reel can drive the swinging member to swing.

11. The charging device of claim 9, wherein, The first locking structure has a first locking groove, and the charging device further includes: A limiting stop is provided around the periphery of the first locking structure to define a guide groove that surrounds the periphery of the first locking structure. The first locking groove is located on the side of the first locking structure facing the guide groove and is in communication with the guide groove. A first transmission component is disposed on the side of the swing component near the first locking structure. The first transmission component includes a sliding part and a first locking part. The sliding part is slidably connected to the swing component along the extension direction of the swing component. The first locking part is connected to the side of the sliding part near the first locking structure and is inserted into the guide groove. When the winding disc rotates to drive the oscillating member to oscillate, it drives the first locking part to slide along the guide groove. The movable trajectory of the first transmission member has a locking position and an unlocking position. When the first transmission member is in the locking position, the first transmission member locks into the first locking groove so that the oscillating member is locked with the first locking structure. When the winding disc rotates along the wire output direction to move the first transmission member from the locking position to the unlocking position, the first transmission member separates from the first locking groove so that the oscillating member is unlocked from the first locking structure.

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