Charger with hidden charging cord

Abstract

This application provides a charger with a concealable charging cable, belonging to the field of charger technology. Addressing the problem that retractable cable chargers cannot completely conceal the charging cable, resulting in unsightly appearance and safety hazards, this application provides a charger with a concealable charging cable, including a cable box bracket with a first opening; a cable box rotatably disposed within the cable box bracket about a first axis, with a cable outlet circumferentially arranged on the first axis; a spool rotatably disposed within the cable box along the first axis, with the charging cable wound on the spool, and the spool connected to a rewinding reset component; and the charging head of the charging cable protrudes from the cable outlet and can be attached to the outer wall of the cable box. Rotation of the cable box can move the charging head of the charging cable to or away from the first opening of the cable box bracket. This application, through the rotational cooperation of the cable box bracket and the cable box, achieves complete concealment of the charging cable and its charging head, thereby improving both aesthetics and safety.

Description

Technical Field

[0001] This application relates to the field of charger technology, and more particularly to chargers with concealable charging cables. Background Technology

[0002] With the widespread adoption of mobile devices (such as smartphones and tablets), the demand for charging continues to grow. However, existing charging cables have several shortcomings, especially in terms of storage and flexible use, which seriously affect the user experience. Therefore, developing a new charging cable solution to address these issues has become an urgent need for the industry. Currently, most chargers on the market use fixed-length charging cables, which have the following main problems:

[0003] 1. Inconvenient to store: Fixed-length cables tend to get messy and are difficult to store when not in use;

[0004] 2. Inflexible use: Fixed-length cables may be too long or too short in different usage scenarios, limiting the flexibility of use;

[0005] 3. Susceptible to damage: Exposed cables are easily pulled or bent by external forces, which can shorten their lifespan.

[0006] To address the issues of cable storage and flexibility, adjustable-length retractable cables have emerged on the market. Most of these products utilize a self-locking spring reel mechanism disclosed in patents CN2650352Y or US7364109B2. This mechanism uses ball bearings moving within a groove with a locking position to achieve cable extension and self-locking. When the user pulls out the cable, the internal ball bearings slide into the groove's limit position, preventing the spring from automatically retracting the cable, thus locking the cable length. To retract the cable, simply pull the cable out a short distance, the ball bearings disengage from the groove's limit, and the spring automatically retracts the cable upon release. This mechanism requires no additional switch; cable extension and retraction are achieved simply by pulling, making it relatively convenient to use.

[0007] However, with the increasing variety and number of desktop devices, desktop power management needs are becoming more diverse. While existing self-locking cable management structures have solved the cable management problem to some extent, their design still has the following shortcomings in desktop usage scenarios, failing to fully meet user needs:

[0008] 1. Exposed charging head affects aesthetics: When not in use, the charging head of existing retractable cable products is usually exposed, affecting the overall appearance, especially on a desktop, where it looks messy and untidy.

[0009] 2. Safety Hazards: When not in use, the charging head is exposed to the outside. If the power is not turned off, the metal part of the charging interface may still carry a weak current. Skin contact may cause stinging or burning sensation, posing a certain safety hazard. Utility Model Content

[0010] The purpose of this application is to solve the problem in existing technologies where retractable cable chargers cannot completely conceal the charging cable, resulting in unsightly appearance and safety hazards. Therefore, this application provides a charger with a concealable charging cable. Through the rotational cooperation of the cable box bracket and the cable box, the charging cable and its charging head can be completely hidden, thus improving both aesthetics and safety.

[0011] This application provides a charger with a concealable charging cable, comprising:

[0012] A junction box bracket, the junction box bracket having a first opening;

[0013] A junction box is rotatably disposed within a junction box bracket about a first axis, and the junction box has a cable outlet in the circumferential direction of the first axis.

[0014] A reel, rotatably disposed within the cable box along the first axis, has a charging cable wound around it and is connected to a rewind reset component; and...

[0015] The charging head of the charging cable extends from the outlet and can be attached to the outer wall of the cable box. The rotation of the cable box can cause the charging head of the charging cable to be located at or away from the first opening of the cable box bracket.

[0016] By adopting the above technical solution, the cable box bracket provides rotational support and enclosed space for the cable box, allowing the cable box to rotate away from the first opening of the cable box bracket. This allows the charging head extending out of the cable box to be hidden inside the cable box bracket, while the charging cable is hidden inside the cable box. This achieves complete concealment of the charging cable, improving the neatness and aesthetics of storage, and preventing the charging head from contacting the user's skin, thus improving safety.

[0017] In some embodiments, it also includes:

[0018] A ratchet gear and a pawl, wherein the ratchet gear is disposed on the drum, the pawl is rotatably disposed on the inner wall of the wire box, the pawl is connected to a pawl reset member, and the pawl is connectable to the ratchet gear;

[0019] The cable box bracket is equipped with a cable retraction trigger mechanism; and...

[0020] The rotation of the cable box can cause the pawl to abut against the take-up trigger mechanism, and the take-up trigger mechanism pushes the pawl to rotate and disengage from the ratchet gear.

[0021] By adopting the above technical solution, the ratchet gear is locked in one direction by the pawl during the process of the user pulling out the charging cable, preventing the charging cable from automatically rewinding when not actively retracted, thus achieving self-locking at the required length and facilitating flexible use by the user. Furthermore, during the cable rewinding operation, the user can further rotate the cable box, causing the cable rewinding trigger mechanism to push the pawl to release the one-way lock, allowing the charging cable to rewind back to the cable box's drum under the action of the rewinding reset component. At the same time, this cable rewinding operation does not require further pulling out of the charging cable and has clear trigger feedback, improving the user experience.

[0022] In some embodiments, the take-up trigger mechanism includes a take-up trigger block, a take-up reset member, and a take-up limiting block, wherein the take-up trigger block and the take-up limiting block are disposed near the free end of the take-up reset member; and...

[0023] When the cable box rotates so that the pawl abuts against the take-up trigger block, the take-up reset member contacts the cable box and applies a reverse rotational force to the cable box.

[0024] In some embodiments, the pawl includes a stop portion and a trigger portion, and the free end of the pawl reset member applies a force to the trigger portion, such that the stop portion tends to remain engaged with the ratchet gear;

[0025] The triggering part can be driven by the take-up triggering block to rotate the stop part and disengage from the ratchet gear.

[0026] In some embodiments, a charging head positioning member is provided near the cable outlet of the junction box, and the charging head of the charging cable is kept in contact with the outer wall of the junction box through the charging head positioning member.

[0027] By adopting the above technical solution, the fit between the charging head and the cable box is improved when stored, making it easier for the charging head to rotate with the cable box and be hidden inside the cable box bracket.

[0028] In some embodiments, an adapter module and a slip ring track circuit board are respectively provided on opposite sides of the junction box bracket. The adapter module is used to connect to an external power source and perform electrical conversion, and the adapter module is electrically connected to the slip ring track circuit board.

[0029] The drum is connected to a rotor circuit board, and the charging cable is electrically connected to the slip ring track circuit board through the rotor circuit board.

[0030] In some embodiments, the drum is provided with a charging cable slot, the end of the charging cable is disposed in the charging cable slot and electrically connected to the rotor circuit board.

[0031] In some embodiments, a rotation limiting groove is provided on the inner wall of the junction box bracket, and a rotation limiting block is provided on the junction box, with the rotation limiting block slidably disposed within the rotation limiting groove; and,

[0032] When the rotating limiting block is located at the initial end of the rotating limiting groove, the charging head of the charging cable is away from the first opening of the cable box bracket;

[0033] When the rotating limiting block is located at the end of the rotating limiting groove, the charging head of the charging cable is located at the first opening of the cable box bracket, and the pawl abuts against the cable take-up trigger mechanism.

[0034] In some embodiments, magnets are provided on the inner wall of the junction box bracket and the junction box itself; and,

[0035] When the charging head of the charging cable is away from the first opening of the cable box bracket, and / or when the charging head of the charging cable is located at the first opening of the cable box bracket, the magnets of the cable box bracket and the cable box correspond to each other and are magnetically attracted.

[0036] In some embodiments, the rewind reset member is a coil spring, and the drum is connected to a back plate, the charging cable is disposed on one side of the back plate, and the ratchet gear and the rewind reset member are disposed on the other side of the back plate;

[0037] The pawl reset component is a torsion spring.

[0038] Other features and corresponding beneficial effects of this application will be described in the latter part of the specification, and it should be understood that at least some of the beneficial effects will become obvious from the description in this application. Attached Figure Description

[0039] Figure 1 This is a schematic diagram illustrating the storage status of this application;

[0040] Figure 2 This is a schematic diagram illustrating the usage status of this application;

[0041] Figure 3 This is an explosion diagram of this application;

[0042] Figure 4 This is an exploded view of the junction box bracket and junction box in this application;

[0043] Figure 5 This is an exploded view of the junction box bracket and junction box from another angle in this application;

[0044] Figure 6 This is a schematic diagram illustrating the state transition of this application;

[0045] Figure 7This is a partial structural diagram of the present application, including a wire take-up trigger mechanism;

[0046] Figure 8 This is a schematic diagram of the retractable trigger mechanism in this application in its stowed state;

[0047] Figure 9 This is a schematic diagram of the retractable trigger mechanism in use in this application;

[0048] Figure 10 This is a schematic diagram of the wire retraction trigger mechanism in the trigger wire retraction state of this application.

[0049] Explanation of reference numerals in the attached figures:

[0050] 1. Junction box;

[0051] 10. Left cover of the junction box; 101. Rewind reset component; 102. Pawl; 103. Pawl reset component; 104. Left shaft of the junction box; 105. Spring fixing post; 106. Cable reel bushing; 107. Fixing block;

[0052] 11. Mid-frame; 110. Charging head positioning component; 111. Cutout window;

[0053] 12. Ratchet spool; 120. Charging cable; 121. Charging head; 122. Rotor circuit board; 123. Conductive spring; 124. Ratchet gear; 125. Right shaft of spool; 126. Charging cable slot; 127. Left shaft of spool;

[0054] 13. Right cover of the junction box; 130. Magnet for the junction box; 131. Rotation limit block; 132. Cable outlet;

[0055] 3. Outer shell;

[0056] 4. Decorative panels;

[0057] 5. Power input cable;

[0058] 6. Left cable box bracket; 60. Cable retraction reset component; 61. Left shaft sleeve; 62. Cable retraction limit block; 63. Cable retraction trigger block;

[0059] 7. Right junction box bracket; 70. Slip ring track circuit board; 700. Pogo-Pin contact; 701. Conductive slip ring track; 71. Bracket magnet; 72. Right bushing; 73. Rotary limiting groove;

[0060] 8. Adapter module; 80. Pogo-Pin connector. Detailed Implementation

[0061] The following specific embodiments illustrate the implementation of this application. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. Although the description of this application is presented in conjunction with preferred embodiments, this does not mean that the features of this application are limited to this embodiment. On the contrary, the purpose of describing the application in conjunction with embodiments is to cover other options or modifications that may be derived based on the claims of this application. To provide a thorough understanding of this application, many specific details will be included in the following description. This application may also be implemented without using these details. Furthermore, to avoid confusion or obscuring the focus of this application, some specific details will be omitted in the description. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other.

[0062] It should be noted that in this specification, similar reference numerals and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0063] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used solely for the convenience of describing this application and for simplification, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more. Unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; a mechanical connection or an electrical connection; a direct connection or an indirect connection through an intermediate medium; or a connection within two elements. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0064] Please see Figure 1-3 as well as Figure 6 , Figure 1 This is a schematic diagram illustrating the storage status of this application; Figure 2 This is a schematic diagram illustrating the usage status of this application; Figure 3 This is an explosion diagram of this application; Figure 6 This is a schematic diagram illustrating the state transition of this application.

[0065] This application provides a charger with a concealable charging cable 120, comprising:

[0066] A junction box bracket has a first opening. Preferably, the junction box bracket is assembled from a left junction box bracket 6 and a right junction box bracket 7, and the first opening is formed between the left junction box bracket 6 and the right junction box bracket 7 to facilitate manufacturing and assembly.

[0067] The wire box 1 is rotatably disposed within a wire box bracket about a first axis, and the wire box 1 has a wire outlet 132 in the circumferential direction of the first axis. Preferably, the wire box 1 includes a middle frame 11, and a left cover 10 and a right cover 13 respectively disposed on both sides of the middle frame 11. The wire box 1 is formed by assembling the three parts, which facilitates manufacturing and assembly.

[0068] A reel, rotatably disposed within a junction box 1 along a first axis, has a charging cable 120 wound around it and is connected to a rewind reset member 101. Preferably, the rewind reset member 101 is a constant force coil spring.

[0069] The charging head 121 of the charging cable 120 extends from the outlet 132 and can be attached to the outer wall of the cable box 1. The rotation of the cable box 1 can cause the charging head 121 of the charging cable 120 to be located at or away from the first opening of the cable box bracket. That is, the cable box bracket provides rotational support and enclosed space for the cable box 1, so that the cable box 1 can rotate away from the first opening of the cable box bracket. Thus, the charging head 121 extending out of the cable box 1 is hidden inside the cable box bracket, and the charging cable 120 is hidden inside the cable box 1. This achieves complete concealment of the charging cable 120, improves the neatness of storage, and avoids the charging head 121 from contacting the user's skin, thereby improving safety.

[0070] In one embodiment, the outer side of the cable box bracket is also provided with a housing 3. Preferably, the top of the housing 3 and the part corresponding to the first opening are provided with openings, so as to facilitate the removal of the cable box bracket and the cable box 1 as a whole. Furthermore, the opening is detachably covered with a decorative panel 4, such as a magnetic one, so as to cover the opening and improve the aesthetics.

[0071] In one embodiment, a charging head positioning member 110 is provided near the cable outlet 132 in the cable box 1. The charging head 121 of the charging cable 120 is kept in contact with the outer wall of the cable box 1 through the charging head positioning member 110, which improves the fit between the charging head 121 and the cable box 1 when stored, making it easier for the charging head 121 to rotate with the cable box 1 and be hidden in the cable box bracket.

[0072] Since the charging head 121 contains metal, it can typically be magnetically attracted. Therefore, in one specific embodiment, the charging head positioning member 110 can be configured as a magnet, and further, this magnet is disposed inside the cable box 1, thereby improving the overall aesthetics. Preferably, a magnet is disposed inside the charging head 121 to enhance the reliability of magnetic attraction, that is, to enhance the reliability of magnetic attraction between the charging head 121 and the charging head positioning member 110.

[0073] In other alternative embodiments, the charging head positioning member 110 is a slot in which the charging head 121 can be embedded.

[0074] It is understandable that this charger needs to be connected to an external power source to achieve charging. The power input line 5 can be connected to the cable box bracket or the outer casing 3, and finally connected to the charging cable 120 through the internal conductive parts.

[0075] The external power supply can be either DC or AC, while the charging head 121 outputs DC. Therefore, if the external power supply is DC, the voltage is adjusted internally (e.g., via a slip ring rail circuit board 70 with a voltage regulation function) before being connected to the charging head 121; if the external power supply is AC, an adapter (e.g., adapter module 8) is needed to perform AC-DC conversion before stepping down the voltage and inputting it into the charging head 121.

[0076] Please see Figure 4-5 , Figure 4 This is an exploded view of the junction box bracket and junction box 1 in this application; Figure 5 This is an exploded view of the junction box bracket and junction box 1 from another angle in this application.

[0077] In one embodiment, an adapter module 8 and a slip ring track circuit board 70 are respectively provided on opposite sides of the junction box bracket. The adapter module 8 is used to connect to an external power source and perform electrical conversion, and the adapter module 8 is electrically connected to the slip ring track circuit board 70.

[0078] The drum is connected to a rotor circuit board 122, and the charging cable 120 is electrically connected to the slip ring track circuit board 70 through the rotor circuit board 122.

[0079] The rotor circuit board 122 is equipped with multiple sets of conductive springs 123, which are connected to the wires inside the charging cable 120. The right cable box bracket 7 is equipped with a slip ring track circuit board 70, whose conductive slip ring track 701 contacts the conductive springs 123 on the rotor circuit board 122. The number of conductive slip ring tracks 701 matches the number of conductive springs 123, so that the circuit remains connected during the rotation of the cable box 1 and the drum, ensuring a stable electrical path for the charging cable 120.

[0080] The adapter module 8 is fixed on the right junction box bracket 7 and connected to the Pogo-Pin contact 700 of the slip ring track circuit board 70 via the Pogo-Pin connector 80. After power is input to the adapter module 8, the adapter module 8 performs electrical conversion on the input power and then reliably delivers the electrical energy to the charging head 121 through the Pogo-Pin connector 80 and the sliding conductive mechanism, achieving safe and stable charging.

[0081] Alternatively, the slip ring track circuit board 70 and the adapter module 8 can be integrated into a single module.

[0082] In one embodiment, a charging cable slot 126 is provided on the drum, and the end of the charging cable 120 is disposed in the charging cable slot 126 and electrically connected to the rotor circuit board 122.

[0083] In one embodiment, a rotation limiting groove 73 is provided on the inner wall of the junction box bracket, and a rotation limiting block 131 is provided on the junction box 1. The rotation limiting block 131 is slidably disposed in the rotation limiting groove 73 to limit the rotation angle of the junction box 1.

[0084] In one embodiment, magnets are provided on the inner wall of the cable box bracket and the cable box 1, namely, a bracket magnet 71 and a cable box magnet 130. Furthermore, when the charging head 121 of the charging cable 120 is away from the first opening of the cable box bracket, and / or when the charging head 121 of the charging cable 120 is located at the first opening of the cable box bracket, the magnets of the cable box bracket and the cable box 1 correspond and attract each other, thereby improving the stability of the charger in its stored or used state, and providing a more noticeable resistance during the initial stage of the user rotating the cable box 1, providing clear trigger feedback and improving the user experience.

[0085] In one specific embodiment, both the cable box 1 and the cable box bracket are rectangular, and the cable box 1 can be rotated 90° to switch between storage and use states. The bracket magnet 71 and the cable box magnet 130 are respectively provided with two on the corresponding side, so that they can be magnetically attracted in both storage and use states.

[0086] It should be noted that chargers with conventional self-locking cable winding structures also have the following problems:

[0087] 1. Insufficient feedback and poor user experience: Retractable cable products using a self-locking winding mechanism require pulling outward a certain distance to trigger retraction when the cable is retracted. However, users lack clear trigger feedback during operation, making it difficult to judge whether the pulling distance is sufficient to start retraction, which can easily lead to misoperation or failure to retract or extend the cable, resulting in a poor user experience.

[0088] 2. Cumbersome cable length adjustment: When users want to shorten the cable length, they must first pull it out a certain distance to trigger cable retraction, then pull it out again to lock the length. If the length is not suitable, the above steps must be repeated. This makes it difficult for users to lock the desired length when adjusting the cable. For desktop use scenarios, users may frequently need to adjust the cable length, making this design cumbersome and resulting in poor desktop adaptability.

[0089] Therefore, please see again Figure 4-5 ,as well as Figure 7-10 , Figure 4 This is an exploded view of the junction box bracket and junction box 1 in this application; Figure 5 This is an exploded view of the junction box bracket and junction box 1 from another angle in this application; Figure 7 This is a partial structural diagram of the present application, including a wire take-up trigger mechanism; Figure 8 This is a schematic diagram of the retractable trigger mechanism in this application in its stowed state; Figure 9 This is a schematic diagram of the retractable trigger mechanism in use in this application; Figure 10 This is a schematic diagram of the wire retraction trigger mechanism in the trigger wire retraction state of this application.

[0090] In one embodiment, the charger also includes a ratchet gear 124 and a pawl 102.

[0091] A ratchet gear 124 is mounted on the drum, forming a ratchet spool 12 with the drum. Further, a left shaft 127 and a right shaft 125 are respectively mounted on either side of the ratchet spool 12. A left shaft sleeve 61 and a right shaft sleeve 72 are correspondingly mounted on the cable box bracket, allowing the cable box 1 (with the left shaft 127 rotatably mounted in the spool sleeve 106, the left cover 10 rotatably mounted in the left shaft sleeve 61 via the left shaft 104, the right cover 13 fixed to the middle frame 11, and the right shaft 125 rotatably mounted in the right shaft sleeve 72) to rotate within the cable box bracket. Preferably, a charging cable slot 126 is provided in the middle of the ratchet spool 12. One end of the charging cable 120 is fixed in the charging cable slot 126, and this end is connected to the charging circuit via the rotor circuit board 122 and the slip ring track circuit board 70.

[0092] When the rewind reset component 101 is a constant force coil spring, the center end of the constant force coil spring is fixed in the deep groove of the left shaft 127 of the coil, and rotates together with the ratchet coil 12 as a free end. The outer end is fixed on the coil spring fixing post 105 of the left cover 10 of the cable box as a fixed end, so that the ratchet coil 12 always has elastic force in the retraction direction, ensuring the automatic retraction function of the charging cable 120.

[0093] The pawl 102 is rotatably mounted on the inner wall of the cable box 1. The pawl 102 is connected to a pawl reset member 103, such as a torsion spring. One end of the torsion spring is fixed by a fixing block 107 located on the inner wall of the cable box 1. The pawl 102 can be coupled to the ratchet gear 124, that is, the pawl 102 can engage in the teeth of the ratchet gear 124 to achieve one-way locking (i.e., the charging cable 120 can be pulled out but cannot be retracted), thereby achieving self-locking at the required length, which is convenient for users to use flexibly. At the same time, the pawl 102 can disengage from the ratchet gear 124, thereby engaging the one-way locking (i.e., the charging cable 120 can be retracted). Furthermore, under the action of the pawl reset member 103, the pawl 102 has a tendency to remain engaged in the teeth of the ratchet gear 124.

[0094] In one embodiment, a cable rewind trigger mechanism is provided inside the cable box bracket. Rotation of the cable box 1 causes the pawl 102 to abut against the cable rewind trigger mechanism, which in turn pushes the pawl 102 to rotate and disengage from the ratchet gear 124. That is, during the cable rewind operation, by further rotating the cable box 1, the cable rewind trigger mechanism pushes the pawl 102 to release the one-way lock, allowing the charging cable 120 to rewind back to the drum of the cable box 1 under the action of the rewind reset member 101. Simultaneously, this cable rewind operation does not require further pulling out of the charging cable 120 and has clear trigger feedback, improving the user experience.

[0095] When the cable box 1 includes a middle frame 11, a hollow window 111 is provided on the middle frame 11 so that the cable winding trigger mechanism can contact the pawl 102.

[0096] In one embodiment, the take-up trigger mechanism includes a take-up trigger block 63, a take-up reset member 60, and a take-up limit block 62, with the take-up trigger block 63 and the take-up limit block 62 disposed near the free end of the take-up reset member 60. The take-up reset member 60 is preferably a torsion spring, one end of which is fixed to the cable box bracket, and the other end is a free end.

[0097] When the cable box 1 rotates, causing the pawl 102 to abut against the take-up trigger block 63, the take-up reset member 60 contacts the cable box 1 and applies a reverse rotational force to the cable box 1. Thus, when the user releases the take-up rotational force, the cable box 1 reverses under the action of the take-up reset member 60, causing the pawl 102 to disengage from the take-up trigger block 63. Under the action of the pawl reset member 103, the pawl 102 re-engages into the meshing teeth of the ratchet gear 124 to achieve one-way locking and stop take-up.

[0098] Alternatively, it can be understood that the fixed end of the take-up torsion spring abuts against the inner wall of the cable box bracket, while the free end, in the use state, is located below the limit of the take-up torsion spring, just abutting against the cable box 1, preventing the cable box 1 from continuing to rotate downwards, and preventing the take-up trigger block 63 from acting on the pawl 102. When the user needs to retract the charging cable 120, they only need to continue rotating the cable box 1 to overcome the elasticity of the take-up torsion spring and the attraction of the positioning magnet (cable box magnet 130 and bracket magnet 71) in the use state, causing the take-up trigger block 63 to contact the pawl 102 to complete the triggering. When the user stops applying force during cable retraction, the take-up torsion spring and the positioning magnet will work together to attract the cable box 1 upwards back to the use state. At this time, the take-up trigger block 63 separates from the pawl 102, and the pawl 102, under the action of the pawl 102 torsion spring, locks the ratchet again, and the ratchet coil 12 stops rotating, achieving self-locking of the cable. This design allows the user to flexibly control the length of the charging cable 120 and shorten it to the desired position at any time.

[0099] In one embodiment, the pawl 102 includes a stop portion and a trigger portion. The free end of the pawl reset member 103 applies a force to the trigger portion, causing the stop portion to tend to remain engaged with the ratchet gear 124.

[0100] The triggering part can be driven by the take-up triggering block 63 to rotate the stop part and disengage from the ratchet gear 124.

[0101] At this time, the rotation point of the pawl 102 is located between the stop part and the trigger part, and the free end of the pawl reset member 103 is connected to the trigger part.

[0102] In one embodiment, the rewind reset member 101 is a coil spring, and the drum is connected to a back plate. The charging cable 120 is disposed on one side of the back plate, and the ratchet gear 124 and the rewind reset member 101 are disposed on the other side of the back plate.

[0103] In one embodiment, when the rotating limiting block 131 is located at the initial end of the rotating limiting groove 73, the charging head 121 of the charging cable 120 is away from the first opening of the cable box bracket, that is, the cable box 1 is in the storage state.

[0104] When the rotating limit block 131 is located at the end of the rotating limit groove 73, the charging head 121 of the charging cable 120 is located at the first opening of the cable box bracket, and the pawl 102 abuts against the cable retraction trigger mechanism, that is, the cable box 1 is in the triggered cable retraction state.

[0105] When the rotating limit block 131 is located in the middle of the rotating limit groove 73, the charging head 121 of the charging cable 120 is located in the first opening of the cable box bracket, and the pawl 102 does not abut against the cable retraction trigger mechanism (i.e., the pawl 102 is locked in one direction with the ratchet gear 124), that is, the cable box 1 is in use.

[0106] When the user needs to use this charger, they can gently rotate the cable box 1 from its stored state to its active state, thereby exposing the charging head 121. The user can easily remove the charging head 121 and then pull out the charging cable 120 of the desired length to plug into the electronic device for charging.

[0107] As the user pulls out the charging cable 120, the ratchet reel 12 rotates accordingly, the constant force coil spring is stretched and stores energy, and at the same time the ratchet gear 124 is locked in one direction by the pawl 102 to prevent the charging cable 120 from automatically rewinding when not in operation, thereby achieving self-locking of the required length and making it convenient for the user to use flexibly.

[0108] When the user needs to retract the charging cable 120, they simply apply force to rotate the cable box 1 upwards to a certain angle. The cable box 1 overcomes the elasticity and magnetic force of the retraction torsion spring, causing the retraction trigger block 63 to contact the action surface of the pawl 102. This triggers the pawl 102 to rotate around its axis, releasing the ratchet and initiating retraction. The ratchet reel 12 rotates rapidly under the elasticity of the constant force coil spring, smoothly retracting the charging cable 120 into the cable groove outside the frame 11 of the cable box 1, and then being attracted to its initial position by the positioning magnet of the charging head 121. If the user stops applying force before retracting is complete, the retraction torsion spring and the positioning magnet automatically return the cable box 1 to its working state. The retraction trigger block 63 then disengages from the pawl 102, and the ratchet reel 12 stops rotating, achieving self-locking of the charging cable 120. This ensures the safety of the retraction operation and allows the user to shorten the charging cable 120 to the desired length at any time.

[0109] If the user wishes to hide the charging head 121 in a stowed state, they can continue to rotate the cable box 1 downwards to hide it, ensuring both aesthetics and safety.

[0110] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A charger with a concealable charging cable, characterized in that, include: A junction box bracket, the junction box bracket having a first opening; A junction box is rotatably disposed within a junction box bracket about a first axis, and the junction box has a cable outlet in the circumferential direction of the first axis. A reel, rotatably disposed within the cable box along the first axis, has a charging cable wound around it and is connected to a rewind reset component; and... The charging head of the charging cable extends from the outlet and can be attached to the outer wall of the cable box. The rotation of the cable box can cause the charging head of the charging cable to be located at or away from the first opening of the cable box bracket.

2. The charger with a concealable charging cable according to claim 1, characterized in that, Also includes: A ratchet gear and a pawl, wherein the ratchet gear is disposed on the drum, the pawl is rotatably disposed on the inner wall of the wire box, the pawl is connected to a pawl reset member, and the pawl is connectable to the ratchet gear; The cable box bracket is equipped with a cable retraction trigger mechanism; and... The rotation of the cable box can cause the pawl to abut against the take-up trigger mechanism, and the take-up trigger mechanism pushes the pawl to rotate and disengage from the ratchet gear.

3. The charger with a concealable charging cable according to claim 2, characterized in that, The take-up trigger mechanism includes a take-up trigger block, a take-up reset member, and a take-up limiting block, wherein the take-up trigger block and the take-up limiting block are disposed near the free end of the take-up reset member; and... When the cable box rotates so that the pawl abuts against the take-up trigger block, the take-up reset member contacts the cable box and applies a reverse rotational force to the cable box.

4. The charger with a concealable charging cable according to claim 3, characterized in that, The pawl includes a stop part and a trigger part. The free end of the pawl reset member applies a force to the trigger part, so that the stop part tends to remain engaged with the ratchet gear. The triggering part can be driven by the take-up triggering block to rotate the stop part and disengage from the ratchet gear.

5. The charger with a concealable charging cable according to claim 1, characterized in that, The junction box is provided with a charging head positioning component near the cable outlet, and the charging head of the charging cable is kept in contact with the outer wall of the junction box through the charging head positioning component.

6. The charger with a concealable charging cable according to claim 1, characterized in that, An adapter module and a slip ring track circuit board are respectively provided on opposite sides of the junction box bracket. The adapter module is used to connect to an external power source and perform electrical conversion, and the adapter module is electrically connected to the slip ring track circuit board. The drum is connected to a rotor circuit board, and the charging cable is electrically connected to the slip ring track circuit board through the rotor circuit board.

7. The charger with a concealable charging cable according to claim 6, characterized in that, The drum is provided with a charging cable slot, and the end of the charging cable is disposed in the charging cable slot and electrically connected to the rotor circuit board.

8. The charger with a concealable charging cable according to claim 2, characterized in that, The inner wall of the junction box bracket is provided with a rotation limiting groove, and the junction box is provided with a rotation limiting block, the rotation limiting block being slidably disposed within the rotation limiting groove; and, When the rotating limiting block is located at the initial end of the rotating limiting groove, the charging head of the charging cable is away from the first opening of the cable box bracket; When the rotating limiting block is located at the end of the rotating limiting groove, the charging head of the charging cable is located at the first opening of the cable box bracket, and the pawl abuts against the cable take-up trigger mechanism.

9. The charger with a concealable charging cable according to claim 1, characterized in that, Magnets are provided on the inner wall of the junction box bracket and the junction box itself; and, When the charging head of the charging cable is away from the first opening of the cable box bracket, and / or when the charging head of the charging cable is located at the first opening of the cable box bracket, the magnets of the cable box bracket and the cable box correspond to each other and are magnetically attracted.

10. The charger with a concealable charging cable according to claim 2, characterized in that, The rewind reset component is a coil spring, and the drum is connected to a back plate. The charging cable is located on one side of the back plate, and the ratchet gear and the rewind reset component are located on the other side of the back plate. The pawl reset component is a torsion spring.

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