Winder structure, charger and mobile power supply

Abstract

The utility model discloses a winder structure, a charger and a mobile power supply. The winder structure comprises a shell, a winding part and a conductive part, a containing cavity with a shaft rod is formed in the shell. The winding part comprises a take-up reel, a linkage block, a volute spiral spring and a clamping assembly; the take-up reel is located in the containing cavity and rotationally connected with the shaft rod, and the linkage block is fixedly connected with the take-up reel and provided with a movable groove; the volute spiral spring is arranged in the movable groove, and two ends of the volute spiral spring are fixedly connected with the shaft rod and the linkage block respectively; the clamping assembly is located in the containing cavity so as to lock or loosen the linkage block. The conductive part comprises a PCB (Printed Circuit Board) and a conductive plate; one end of the PCB is arranged on the shell and is externally connected with a power supply, and the other end of the PCB is arranged in the accommodating cavity and is provided with an annular electrode channel; the current-conducting plate is fixedly connected with the wire coil and is provided with an electrode pin, and the electrode pin is in contact with the electrode channel and can move along the track of the electrode channel, so that the current-conducting plate is electrically connected with the PCB; one end of the data line is wound on the take-up reel and electrically connected with the conductive plate, and the other end of the data line penetrates to the outside; the winder structures are installed in the charger and the mobile power supply.

Description

Technical Field

[0001] This utility model belongs to the field of electronic equipment technology, and in particular relates to a cable reel structure, a charger and a power bank. Background Technology

[0002] People often carry electronic devices such as mobile phones and tablets when they go out, and they need to carry corresponding data cables for easy charging. Traditional data cables are usually long and linear. These cables are prone to tangling or knotting when not in use, and they can also cause clutter in storage space, affecting the user experience.

[0003] To address this issue, cable winders for data cables have appeared on the market. For example, invention patent application number 2022800033525 proposes a data cable winder, which mainly consists of a housing, a winding wheel mechanism, and a winding control mechanism. The winding wheel mechanism includes a winding reel, a central shaft, and a rotating spring (a spiral spring). The rotating spring drives the central shaft to rotate and wind up the cable. The winding control mechanism includes a main rotating component, a oscillating component meshing with the main rotating component, a first control component controlling the movement of the oscillating component, and a second control component initiating the movement of the oscillating component. The oscillating component, the first control component, and the second control component work together to allow the winding reel to stop at the desired position, achieving control over the winding and pulling-out length of the data cable, making it relatively convenient to use. However, in actual use, it has been found that it still has at least the following problems:

[0004] Firstly, the rotating spring of the cable reel is located in the center of the reel. To ensure the portability of the cable reel, the reel is usually not very large. This limits the diameter and extension space of the rotating spring (spiral spring). When stretching and winding the data cable, the rotating spring with a small diameter and extension space often undergoes permanent deformation due to insufficient elasticity, causing the reel to lose its function.

[0005] Secondly, the cable reel also includes a charging control mechanism, which consists of a circuit board and a USB interface mounted on the housing. The circuit board is installed inside the housing and electrically connected to the USB interface and the end of the data cable to ensure the charging function. However, the fixedly installed circuit board not only occupies the internal space of the housing, but also easily pulls the data cable when stretching and reeling in the data cable, causing the connection between the data cable and the circuit board to break, resulting in the loss of the charging function. Utility Model Content

[0006] Technical problems to be solved

[0007] This invention provides a cable reel structure, a charger, and a power bank, which can solve the problems mentioned in the background art.

[0008] Technical solution

[0009] To achieve the above objectives, this utility model provides the following technical solution:

[0010] A cable reel structure for winding data cables includes a housing, a winding section, and a conductive section. The housing has an outwardly opening cavity housing a shaft. The winding section includes a take-up reel, a linkage block, a spiral spring, and a locking assembly. The take-up reel is located within the cavity and rotatably connected to the shaft. The linkage block is coaxially fixed to the top of the take-up reel and has a movable groove. The spiral spring is placed within the movable groove, and its inner and outer ring ends are respectively fixed to the shaft and the linkage block. The locking assembly is located within the cavity for locking or releasing the linkage block. The conductive section includes a PCB board and... A conductive plate, wherein the PCB board is mounted on the housing, with one end of the PCB board exposed to an external power source and the other end of the PCB board placed inside the receiving cavity and having an annular electrode channel; the conductive plate is coaxially fixed to the bottom of the take-up reel and has electrode pins that contact the electrode channel, and the electrode pins can move along the trajectory of the electrode channel as the take-up reel rotates, so that the conductive plate and the PCB board maintain an electrical connection; wherein the data cable is wound on the take-up reel, and the end of the data cable passes through the take-up reel and is electrically connected to the conductive plate, and the beginning of the data cable passes through the opening of the receiving cavity to the outside.

[0011] Preferably, the take-up reel is provided with baffles on both the upper and lower sides, and the two baffles together form a groove for accommodating and blocking the data cable.

[0012] Preferably, the shaft is provided with a first locking slot, the inner wall of the movable groove of the linkage block is provided with a second locking slot, the inner ring end of the spiral spring is inserted into the first locking slot, and the outer ring end of the spiral spring is inserted into the second locking slot.

[0013] Preferably, the linkage block is circular, and the outer wall of the linkage block has a plurality of notches arranged in a circular array; the locking assembly includes a rotating block, a locking block, and an elastic element, the rotating block and the locking block are rotatably mounted on the top wall of the receiving cavity, and the rotating block is provided with a toggle post, a stop post and a protrusion for inserting into any of the notches, the locking block is provided with a first notch and a second notch, and the elastic element is installed in the receiving cavity and provides a preload force to the rotating block;

[0014] The protruding foot can disengage from the recess as the linkage block rotates, causing the rotating block to swing and driving the elastic element to deform and store energy. The actuating pin can contact and drive the locking block as the rotating block swings, thereby adjusting the rotation position of the locking block. The release and recovery of the elastic element can drive the rotating block to reset, causing the protruding foot to engage with any of the recesses, and causing the abutment to simultaneously abut against the side wall of the locking block to adjust the rotation position of the locking block, or causing the abutment to simultaneously insert into or disengage from the first notch / second notch, thereby locking or releasing the linkage block.

[0015] Preferably, the first notch and the second notch are symmetrically arranged on the upper and lower sides of the locking block, and the left and right sides of the locking block are symmetrically provided with a first arc and a second arc; the actuating post and the abutment post can both contact the first notch, the second notch, the first arc and the second arc as the rotating block swings, and the abutment post is restricted from rotating by the locking block when it is inserted into the first notch or the second notch, so that the protrusion is fixed in the recess and the linkage block is locked.

[0016] Preferably, a fixing block is provided on the inner wall of the receiving cavity, and the elastic element is a bar spring. The two ends of the bar spring are respectively fixed to the rotating block and the fixing block, and the bar spring can deform and store energy as the rotating block swings.

[0017] Preferably, the locking assembly includes an adjusting bolt and a locking head. The adjusting bolt is threadedly connected to the housing, and the end of the adjusting bolt extends into the receiving cavity. The locking head is mounted on the adjusting bolt and corresponds to the toothed block. Tightening the adjusting bolt can cause its locking head to engage or disengage from the recess.

[0018] Preferably, the electrode pins are made of a metal material with elasticity and conductivity, and the inner wall of the electrode channel is covered with a metal layer with conductivity. The electrode pins continuously contact the metal layer of the inner wall of the electrode channel under elastic action, so that the conductive plate and the PCB board maintain electrical connection.

[0019] Preferably, the electrode channels are provided with multiple channels and are designed coaxially, and the diameter of the multiple electrode channels increases progressively; the electrode pins are provided with multiple pins and extend into the multiple electrode channels one by one, and the multiple electrode pins can move along the corresponding electrode channel trajectory as the take-up reel rotates.

[0020] A charger includes a charger body and a cable reel structure; the charger body has a first circuit board and a pin electrically connected to the first circuit board, and the charger body has a first mounting cavity with a first cable routing port inside; the cable reel structure is fixedly disposed in the first mounting cavity, the PCB board is electrically connected to the first circuit board, and the first end of the data cable passes through the first cable routing port to the outside.

[0021] A portable power bank includes a power bank body and a cable reel structure; the power bank body is provided with a second circuit board, a battery electrically connected to the second circuit board, and a charging port, and the power bank body has a second mounting cavity with a second cable routing port inside; the cable reel structure is fixedly disposed in the second mounting cavity, the PCB board is electrically connected to the second circuit board, and the first end of the data cable passes through the second cable routing port to the outside.

[0022] (III) Beneficial Effects

[0023] This utility model provides a cable reel structure, charger, and power bank. The cable reel structure uses a rotatable take-up reel installed within the housing cavity for winding data cables. Without increasing the size of the take-up reel, a movable groove, independent of the reel, is provided on the linkage block to provide greater extension space for the spiral spring. This allows the spiral spring to have a larger diameter, resulting in stronger elasticity and resilience, ensuring the take-up reel can smoothly wind up heavy data cables. This improves the versatility of the cable reel structure, reduces the possibility of permanent deformation of the spiral spring, and extends the service life of the cable reel structure. Furthermore, by... The conductive plate and the PCB board are equipped with matching electrode pins and electrode channels for power transmission. This not only reduces internal space occupation, but also prevents the connection between the data cable and the conductive plate from being broken due to pulling the data cable during the stretching and winding process, since the conductive plate can rotate with the reel. This ensures power transmission stability and further extends the service life of the cable reel structure. Because the charger and the power bank are equipped with this cable reel structure, they can wind the data cable into their own body, improving portability. Users can also pull the data cable to a suitable length as needed, improving ease of use. Attached Figure Description

[0024] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0025] Figure 1 A schematic diagram of the structure of the cable reel of this utility model is shown;

[0026] Figure 2It shows Figure 1 The main view;

[0027] Figure 3 It shows Figure 2 AA section view;

[0028] Figure 4 It shows Figure 2 BB section view;

[0029] Figure 5 It shows Figure 2 CC section view;

[0030] Figure 6 An exploded view of the structure of the reel of this utility model is shown. Figure 1 ;

[0031] Figure 7 An exploded view of the structure of the reel of this utility model is shown. Figure 2 ;

[0032] Figure 8 The diagram shows the working principle of the cable reel structure of this utility model;

[0033] Figure 9 An exploded view of the card slot assembly of this utility model is shown. Figure 1 ;

[0034] Figure 10 An exploded view of the card slot assembly of this utility model is shown. Figure 2 ;

[0035] Figure 11 An exploded view of the conductive cloth of this utility model is shown;

[0036] Figure 12 A schematic diagram of the charger of this utility model is shown;

[0037] Figure 13 An exploded view of the charger of this utility model is shown. Figure 1 ;

[0038] Figure 14 An exploded view of the charger of this utility model is shown. Figure 2 ;

[0039] Figure 15 A schematic diagram of the portable power bank of this utility model is shown;

[0040] Figure 16 An exploded view of the portable power bank of this utility model is shown. Figure 1 ;

[0041] Figure 17 An exploded view of the portable power bank of this utility model is shown. Figure 2 .

[0042] In the diagram: 1. Housing, 10. Receiving cavity, 100. Shaft, 101. First bayonet, 102. Fixing block, 2. Winding section, 21. Take-up reel, 211. Baffle, 212. Enclosing groove, 22. Linkage block, 220. Movable groove, 2201. Second bayonet, 221. Notch, 23. Spiral spring, 24. Positioning assembly, 241. Rotating block, 2411. Protruding foot, 2412. Actuating post, 2413. Abutment post, 242. Locking block, 2421. First notch, 2422. Second notch, 2423. First arc opening, 2424. Second arc opening, 243. Elastic element, 3. Conductive part, 31. PCB board, 310. Electrode channel, 32. Conductive plate, 320. Electrode pin, 4. Data cable, 5. Charger body, 50. First mounting cavity, 500. First cable routing port.

[0043] 51 First circuit board, 52 Pin, 6 Power bank body, 60 Second mounting cavity, 600 Second wiring port, 61 Second circuit board, 62 Battery, 63 Charging port. Detailed Implementation

[0044] 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 some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this application. It is understood that the accompanying drawings are provided for reference and illustration only, and are not intended to limit this application. The connection relationships shown in the accompanying drawings are only for clear description and do not limit the connection method.

[0045] It should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; and they can refer to the internal connection between two components. The terms "upper," "lower," "left," "right," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0046] See appendix Figure 1 - Appendix Figure 7A cable reel structure for winding a data cable 4 includes a housing 1, a winding section 2, and a conductive section 3. The housing 1 has an outwardly opening cavity 10 containing a shaft 100. The winding section 2 includes a take-up reel 21, a linkage block 22, a spiral spring 23, and a locking assembly 24. The take-up reel 21 is located within the cavity 10 and rotatably connected to the shaft 100. The linkage block 22 is coaxially fixed to the top of the take-up reel 21 and has a movable groove 220. The spiral spring 23 is placed within the movable groove 220, and its inner and outer ring ends are respectively fixed to the shaft 100 and the linkage block 22. The locking assembly 24 is disposed within the cavity 10 for locking or unlocking. Linkage block 22; Conductive part 3 includes PCB board 31 and conductive plate 32. PCB board 31 is mounted on housing 1, and one end of PCB board 31 is placed outside the external power supply. The other end of PCB board 31 is placed in the receiving cavity 10 and has an annular electrode channel 310. Conductive plate 32 is coaxially fixed to the bottom of take-up reel 21 and has electrode pins 320 that contact the electrode channel 310. The electrode pins 320 can move along the trajectory of electrode channel 310 as the take-up reel 21 rotates. Among them, data cable 4 is wound on take-up reel 21, and the end of data cable 4 passes through take-up reel 21 and is electrically connected to conductive plate 32. The head end of data cable 4 passes through the opening of receiving cavity 10 to the outside.

[0047] Specifically, under normal circumstances, most of the data cable 4 is wound onto the take-up reel 21 and placed inside the receiving cavity 10, with the first end of the data cable 4 located at the opening of the receiving cavity 10; and under the action of the spiral spring 23, the take-up reel 21 is restricted from rotating, preventing the data cable 4 from detaching from the take-up reel 21 and falling out of the outside.

[0048] When data cable 4 is needed, hold the end of data cable 4 and pull it. When the applied pulling force is greater than the elastic force of the spiral spring 23, the take-up reel 21 can be rotated in the forward direction, thereby pulling out the data cable 4 wound in the receiving cavity 10. During the rotation of the take-up reel 21, the conductive plate 32 will be rotated synchronously, and the electrode pins 320 on the conductive plate 32 will move along the trajectory of the electrode channel 310 and keep in contact with the electrode channel 310 to ensure that the conductive plate 32 and the PCB board 31 maintain electrical connection. This ensures that the data cable 4 can transmit data normally or charge electronic devices. When the pulled-out length of the data cable 4 meets the usage requirements, the locking component 24 locks the linkage block 22, causing the take-up reel 21 to stop. At this time, the spiral spring 23 deforms and stores energy in the movable groove 220.

[0049] When the data cable 4 is finished, the locking component 24 is driven to loosen the linkage block 22, which can release the restriction on the take-up reel 21. At this time, the spiral spring 23 releases energy in the movable groove 220 and drives the take-up reel 21 to rotate in the opposite direction, so that the data cable 4 can be rewound into the receiving cavity 10.

[0050] It should be noted that the PCB board 31 can be connected to an external power source by installing a USB interface at one end, and the USB interface can also be used to connect to computer devices, so that the data cable 4 can be used for data transmission; and the first end of the data cable 4 can be equipped with a Type-C, micro, Lightning or other interface depending on the interface model of the electronic product. Since the relevant technology is relatively conventional, this utility model does not impose any restrictions on it.

[0051] In summary, this utility model utilizes a rotatable take-up reel 21 installed within the housing cavity 10 of the housing 1 for winding up the data cable 4. Furthermore, without increasing the volume of the take-up reel 21, a movable groove 220, independent of the take-up reel 21, is provided on the linkage block 22 to offer greater extension space for the spiral spring 23. This allows the spiral spring 23 to have a larger diameter and stronger elasticity and recovery capability, ensuring that the take-up reel 21 can smoothly wind up the heavy data cable 4. This improves the versatility of the cable winder structure and reduces the risk of permanent damage to the spiral spring 23. The possibility of deformation extends the service life of this cable reel structure. On the other hand, by setting mutually cooperating electrode pins 320 and electrode channels 310 between the conductive plate 32 and the PCB board 31 for power transmission, not only can the internal space be reduced, but also, since the conductive plate 32 can rotate with the take-up reel 21, it can avoid the disconnection of the connection between the data cable 4 and the conductive plate 32 caused by pulling the data cable 4 during the stretching and winding process, thus ensuring power transmission stability and further extending the service life of this cable reel structure.

[0052] See appendix Figure 5 - Appendix Figure 7 The take-up reel 21 has baffles 211 on both the upper and lower sides. The two baffles 211 enclose and form a groove 212 for accommodating and blocking the data cable 4. This design can prevent the data cable 4 from detaching from the take-up reel 21 and spreading out in the receiving cavity 10. At the same time, it can ensure that the data cable 4 is accurately stacked during the winding process, thus ensuring the stability of use.

[0053] See appendix Figure 3 - Appendix Figure 4 The shaft 100 is provided with a first locking slot 101, and the inner wall of the movable groove 220 of the linkage block 22 is provided with a second locking slot 2201. The inner ring end of the spiral spring 23 is inserted into the first locking slot 101, and the outer ring end of the spiral spring 23 is inserted into the second locking slot 2201. This design eliminates the need for glue or screws to fix the spiral spring 23 to the shaft 100 and the linkage block 22, thereby improving the installation stability of the spiral spring 23 and saving costs. Of course, manufacturers can also choose other methods to install the spiral spring 23, and this utility model does not impose any restrictions on this.

[0054] See appendix Figure 4 - Appendix Figure 10The linkage block 22 is circular in design, and its outer wall has a circumferential array of multiple notches 221. The locking assembly 24 includes a rotating block 241, a locking block 242, and an elastic element 243. The rotating block 241 and the locking block 242 are rotatably mounted on the top wall of the receiving cavity 10. The rotating block 241 is provided with a toggle post 2412, a stop post 2413, and a protrusion 2411 for inserting into any of the notches 221. The locking block 242 is provided with a first notch 2421 and a second notch 2422. The elastic element 243 is installed in the receiving cavity 10 and provides a preload force to the rotating block 241. The protrusion 2411 can move with the linkage block 241. 2. The rotating block 241 is disengaged from the notch 221, causing the rotating block 241 to swing and drive the elastic element 243 to deform and store energy. The actuating pin 2412 can contact and drive the locking block 242 as the rotating block 241 swings, so as to adjust the rotation position of the locking block 242. The elastic element 243 releases energy and restores its function, which can drive the rotating block 241 to reset, so as to drive the protruding foot 2411 to engage with any notch 221, and cause the abutment pin 2413 to simultaneously abut against the side wall of the locking block 242 to adjust the rotation position of the locking block 242, or cause the abutment pin 2413 to simultaneously insert into or disengage from the first notch 2421 / second notch 2422, so as to lock or release the linkage block 22.

[0055] Specifically, in the initial state, the protruding foot 2411 is located in the recess 221, but the abutment 2413 is not inserted into the second notch 2422, so it cannot lock the linkage block 22 and restrict the rotation of the take-up reel 21. At this time, the take-up reel 21 winds up the data cable 4 into the receiving cavity 10 under the action of the spiral spring 23.

[0056] When the user pulls the data cable 4 out of the receiving cavity 10 for the first time, the reel 21 and the linkage block 22 rotate synchronously in the forward direction, causing the protrusion 2411 to disengage from the recess 221. The rotating block 241 swings synchronously in the forward direction as the protrusion 2411 disengages from the recess 221, driving the actuating column 2412 to abut against the first notch 2421 and driving the locking block 242 to adjust the rotation position of the locking block 242, thereby aligning the second notch 2422 with the abutting column 2413. In addition, the data cable 4 is released, and the spiral spring 23 drives... The take-up reel 21 rotates in the reverse direction, causing the protruding foot 2411 to re-engage in the recess 221. During this process, the rotating block 241 swings in the reverse direction synchronously with the protruding foot 2411 disengaging from the recess 221, causing the abutment 2413 to engage in the second notch 2422. At this point, the rotating block 241 is locked by the locking block 242 and cannot continue to swing in the reverse direction. Therefore, the protruding foot 2411 cannot continue to move and locks the linkage block 22, causing the take-up reel 21 to stop at its current position. At this point, the user can use the data cable 4 normally.

[0057] When the user pulls the data cable 4 for the second time, the turntable rotates forward and causes the rotating block 241 to swing forward again and disengage from the second notch 2422. The actuating post 2412 then swings forward with the rotating block 241 and abuts against the side wall of the locking block 242 to readjust the rotation position of the locking block 242. This causes the second notch 2422 to be offset from the abutting post 2413. Since the protruding foot 2411 cannot lock the linkage block 22 at this time, after the data cable 4 is released, the spiral spring 23 releases its energy and restores its function, causing the take-up reel 21 to rotate in the opposite direction to complete the winding of the data cable 4. During this process, the linkage block 22 rotates in the opposite direction and causes the rotating block 241 to swing in the opposite direction. This causes the abutting post 2413 to continuously abut against the side wall of the locking block 242 to adjust the rotation position of the locking block 242 until the locking block 242 rotates one full turn, causing the first notch 2421 to move closer to the abutting post 2413.

[0058] When the user pulls the data cable 4 for the third time, the toggle post 2412 abuts against the second notch 2422 and drives the locking block 242 to adjust the rotation position of the locking block 242, thereby aligning the first notch 2421 with the abutment post 2413. In addition, by releasing the data cable 4, the abutment post 2413 can be inserted into the first notch 2421 to lock the linkage block 22, thus completing the entire operation process.

[0059] Users can pull out data cable 4 by following the above steps, and can also rewind data cable 4 after use, making it very convenient to use.

[0060] See appendix Figure 8 - Appendix Figure 10 The first notch 2421 and the second notch 2422 are symmetrically arranged on the upper and lower sides of the locking block 242, and the first arc opening 2423 and the second arc opening 2424 are symmetrically arranged on the left and right sides of the locking block 242. The actuating post 2412 and the abutment post 2413 can contact the first notch 2421, the second notch 2422, the first arc opening 2423 and the second arc opening 2424 respectively as the rotating block 241 swings. When the abutment post 2413 is inserted into the first notch 2421 or the second notch 2422, it is restricted from rotating by the locking block 242, so that the protruding foot 2411 is fixed in the recess 221 and the linkage block 22 is locked.

[0061] Specifically, the first notch 2421 and the second notch 2422 are symmetrically arranged, so that after the locking block 242 rotates one revolution, it can drive the first notch 2421 to switch to the position of the second notch 2422 to complete the reset of the locking block. This ensures that the abutment 2413 can repeatedly engage with the first notch 2421 or the second notch 2422, thus ensuring the operational stability of the structure. The symmetrically arranged first arc 2423 and second arc 2424 allow the actuating post 2412 and the abutment 2413 to smoothly engage and drive the locking block 242 to rotate, avoiding rigid contact and locking among the three, further improving the operational stability of the structure.

[0062] See appendix Figure 7 - Appendix Figure 8 The inner wall of the cavity 10 is provided with a fixing block 102, and the elastic element 243 is a bar spring. The two ends of the bar spring are fixed to the rotating block 241 and the fixing block 102 respectively. The bar spring can deform and store energy as the rotating block 241 swings. The bar spring has good elasticity and recovery ability, and is relatively inexpensive and has a longer service life.

[0063] It should be noted that the elastic element 243 can also be a spring sheet (not shown in the figure) or other specific elastic components, but the installation method will also be adapted accordingly. For example, if there is a spring sheet, the spring sheet can be fixed on the top wall of the receiving cavity 10, and then the spring sheet can be snapped into the rotating block 241. Since there are various related structures, this utility model does not limit this.

[0064] Furthermore, in addition to the above-mentioned structure, the locking assembly 24 includes an adjusting bolt (not shown in the figure) and a locking head (not shown in the figure). The adjusting bolt is threaded to the housing 1, and the end of the adjusting bolt extends into the receiving cavity 10. The locking head is installed on the adjusting bolt and corresponds to the toothed block. Tightening the adjusting bolt can drive its locking head to engage or disengage from the recess 221. Since the structure of the locking assembly 24 is diverse, manufacturers can set it according to their needs, and this utility model does not impose any restrictions on this.

[0065] See appendix Figure 5 - Appendix Figure 7 and attached Figure 11 The electrode pins 320 are made of a metal material that is elastic and conductive. The inner wall of the electrode channel 310 is covered with a conductive metal layer (not shown in the figure). The electrode pins 320 continuously contact the metal layer on the inner wall of the electrode channel 310 under the action of elasticity, so that the conductive plate 32 and the PCB board 31 maintain electrical connection.

[0066] Specifically, the electrode pins 320 are made of a flexible metal material, which gives them good elasticity and recovery ability, thereby ensuring that the electrode pins 320 are always placed in the electrode channel 310 during the synchronous rotation of the take-up reel 21 and the conductive plate 32, and extending the service life of the electrode pins 320; the combination of the electrode pins 320 being made of a conductive metal material and the conductive metal layer on the inner wall of the electrode channel 310 can improve the stability of the current conduction.

[0067] See appendix Figure 5 - Appendix Figure 7 and attached Figure 11The electrode channels 310 are designed with multiple channels and coaxiality, and the diameter of the multiple electrode channels 310 increases progressively. The electrode pins 320 are provided with multiple pins and extend into the multiple electrode channels 310 one by one, and the multiple electrode pins 320 can move along the trajectory of the corresponding electrode channel 310 as the take-up reel 21 rotates. The combined use of multiple electrode pins 320 and multiple electrode channels 310 can reduce the possibility of disconnection between the conductive plate 32 and the PCB board 31, and further improve the stability of power supply.

[0068] See appendix Figure 12 - Appendix Figure 14 A charger includes a charger body 5 and a cable reel structure; the charger body 5 is provided with a first circuit board 51 and a plug 52 electrically connected to the first circuit board 51, and the charger body 5 is provided with a first mounting cavity 50 having a first cable routing port 500; the cable reel structure is fixedly disposed in the first mounting cavity 50, the PCB board 31 is electrically connected to the first circuit board 51, and the first end of the data cable 4 passes through the first cable routing port 500 to the outside.

[0069] Specifically, under normal circumstances, the data cable 4 is wound up by the cable reel structure and built into the first mounting cavity 50, making the charger easy to carry.

[0070] In use, the user can first pull the first end of the data cable 4 to remove it from the first mounting cavity 50 via the first cable routing port 500, and can also adjust the length of the data cable 4 as needed; then, the user can plug the plug 52 into an external power strip (not shown in the figure), and the first circuit board 51 will continuously supply power to the PCB board 31, thus powering the data cable 4. At this time, the user can plug the first end of the data cable 4 into an electronic product to charge it, which is quite convenient; after use, the data cable 4 can be rewound using the cable reel structure; the charger equipped with this cable reel structure also has corresponding functions and a longer service life.

[0071] See appendix Figure 15 - Appendix Figure 17 A portable power bank includes a power bank body 6 and a cable reel structure. The power bank body 6 is provided with a second circuit board 61, a battery 62 electrically connected to the second circuit board 61, and a charging port 63. The power bank body 6 has a second mounting cavity 60 with a second cable routing port 600 inside. The cable reel structure is fixedly installed in the second mounting cavity 60. The PCB board 31 is electrically connected to the second circuit board 61, and the first end of the data cable 4 passes through the second cable routing port 600 to the outside.

[0072] Specifically, under normal circumstances, the data cable 4 is wound up by the cable reel structure and built into the second mounting cavity 60, making the power bank easy to carry.

[0073] In use, the user can first pull the first end of the data cable 4 to remove it from the second mounting cavity 60 via the second cable routing port 600, and can also adjust the length of the data cable 4 as needed; then, the battery 62 inside the power bank body 6 is activated, and the PCB board 31 is continuously powered through the second circuit board 61, thus enabling the data cable 4 to be powered on. At this time, the user can plug the first end of the data cable 4 into an electronic product to charge it. When the battery 62 is low on power, it can be charged through the charging port, which is quite convenient to use; after use, the data cable 4 can be rewound using the cable reel structure; the power bank equipped with this cable reel structure also has corresponding functions and a longer service life.

[0074] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A cable reel structure for winding up data cables, characterized in that, include: The housing has an outwardly opening cavity inside which a shaft is housed. The winding section includes a take-up reel, a linkage block, a spiral spring, and a locking assembly. The take-up reel is located within the receiving cavity and rotatably connected to the shaft. The linkage block is coaxially fixed to the top of the take-up reel and has a movable groove. The spiral spring is placed within the movable groove, and its inner and outer ring ends are respectively fixed to the shaft and the linkage block. The locking assembly is disposed within the receiving cavity to lock or release the linkage block. The conductive part includes a PCB board and a conductive plate. The PCB board is mounted on the housing, with one end of the PCB board exposed to an external power source and the other end of the PCB board placed inside the receiving cavity and having an annular electrode channel. The conductive plate is coaxially fixed to the bottom of the take-up reel and has electrode pins that contact the electrode channel. The electrode pins can move along the trajectory of the electrode channel as the take-up reel rotates, so that the conductive plate and the PCB board maintain an electrical connection. The data cable is wound on the take-up reel, and the end of the data cable passes through the take-up reel and is electrically connected to the conductive plate. The first end of the data cable passes through the opening of the receiving cavity to the outside.

2. The cable reel structure according to claim 1, characterized in that, The take-up reel is provided with baffles on both the upper and lower sides, and the two baffles together form a groove for accommodating and blocking the data cable.

3. The cable reel structure according to claim 1, characterized in that, The shaft is provided with a first locking slot, and the inner wall of the movable groove of the linkage block is provided with a second locking slot. The inner ring end of the spiral spring is inserted into the first locking slot, and the outer ring end of the spiral spring is inserted into the second locking slot.

4. The cable reel structure according to claim 1, characterized in that, The linkage block is circular in design, and its outer wall has a circumferential array of multiple notches. The locking assembly includes a rotating block, a locking block, and an elastic element. The rotating block and the locking block are rotatably mounted on the top wall of the receiving cavity. The rotating block is provided with a toggle post, a stop post, and a protrusion for inserting into any of the notches. The locking block is provided with a first notch and a second notch. The elastic element is installed in the receiving cavity and provides a preload force to the rotating block. The protruding foot can disengage from the recess as the linkage block rotates, causing the rotating block to swing and driving the elastic element to deform and store energy. The actuating pin can contact and drive the locking block as the rotating block swings, thereby adjusting the rotation position of the locking block. The release and recovery of the elastic element can drive the rotating block to reset, causing the protruding foot to engage with any of the recesses, and causing the abutment to simultaneously abut against the side wall of the locking block to adjust the rotation position of the locking block, or causing the abutment to simultaneously insert into or disengage from the first notch / second notch, thereby locking or releasing the linkage block.

5. A cable reel structure according to claim 4, characterized in that, The first notch and the second notch are symmetrically arranged on the upper and lower sides of the locking block, and the first arc and the second arc are symmetrically arranged on the left and right sides of the locking block; the actuating post and the abutment post can contact the first notch, the second notch, the first arc and the second arc as the rotating block swings, and the abutment post is restricted from rotating by the locking block when it is inserted into the first notch or the second notch, so that the protrusion is fixed in the recess and the linkage block is locked.

6. A cable reel structure according to claim 4, characterized in that, The inner wall of the receiving cavity is provided with a fixed block, and the elastic element is a bar spring. The two ends of the bar spring are respectively fixed to the rotating block and the fixed block, and the bar spring can deform and store energy as the rotating block swings.

7. A cable reel structure according to claim 1, characterized in that, The electrode pins are made of a metal material that is elastic and conductive. The inner wall of the electrode channel is covered with a metal layer that is conductive. The electrode pins continuously contact the metal layer on the inner wall of the electrode channel under elastic action, so that the conductive plate and the PCB board maintain an electrical connection.

8. A cable reel structure according to claim 7, characterized in that, The electrode channels are provided with multiple channels and are designed coaxially, and the diameter of the multiple electrode channels increases progressively; the electrode pins are provided with multiple pins and extend into the multiple electrode channels one by one, and the multiple electrode pins can move along the corresponding electrode channel trajectory as the take-up reel rotates.

9. A charger, comprising a charger body, wherein the charger body is provided with a first circuit board and pins electrically connected to the first circuit board, characterized in that, It also includes the cable reel structure according to any one of claims 1-8, wherein the charger body has a first mounting cavity with a first cable routing port, the cable reel structure is fixedly disposed in the first mounting cavity, the PCB board is electrically connected to the first circuit board, and the first end of the data cable passes through the first cable routing port to the outside.

10. A portable power bank, comprising a power bank body, wherein the power bank body is provided with a second circuit board, a battery electrically connected to the second circuit board, and a charging port, characterized in that, It also includes the cable reel structure as described in any one of claims 1-8, wherein the power bank body has a second mounting cavity with a second cable routing port inside, the cable reel structure is fixedly installed in the second mounting cavity, the PCB board is electrically connected to the second circuit board, and the first end of the data cable passes through the second cable routing port to the outside.

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