An ultra-thin high current single-pull telescopic wire

Abstract

The utility model provides an ultra-thin large-current single-pull telescopic cable, in which a toothed ring is fixedly arranged at the center of the upper end of a winding turntable, and a corresponding hammer with a spring is arranged on an upper cover. When the data cable is extended or retracted, the hammer and the rotating toothed ring create a crisp mechanical sound, which effectively masks the abnormal sound generated by the friction between the circuit board and the battery holder, and improves the use experience of the product; the upper cover is provided with a positioning column which is correspondingly inserted into the positioning hole arranged in the lower cover, and the internal components can be arranged correspondingly and then fixed by screws to complete the assembly, and the assembly is convenient; the battery holder is composed of an injection-molded spring piece which is clamped into the sheath through a buckle, which is convenient to assemble and can realize efficient production.

Description

Technical Field

[0001] The utility model relates to the technical field of telescopic wires, in particular to an ultra-thin large-current single-pull telescopic wire. Background Art

[0002] For ease of use, existing power banks, chargers and other charging devices that require charging are also designed with retractable charging cables to facilitate the retractable storage of the charging cables. However, due to volume issues, existing retractable charging cables of power banks are simple in design and complex in assembly, and it is difficult to achieve smooth return while making sounds to improve the user experience. Therefore, further improvements are needed. Utility Model Content

[0003] In view of this, the utility model provides an ultra-thin large current single-pull telescopic wire, and aims at the problems of the prior art by designing a positioning column and a gear ring to solve the prior technical problems.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] An ultra-thin high-current single-pull telescopic cable comprises a lower cover, a screw column fixed in the middle of the lower cover, an upper cover fixed on the screw column by screws to seal the upper end of the lower cover, the upper cover is provided with a positioning column correspondingly inserted into a positioning hole provided in the lower cover, and also comprises a winding turntable rotatably provided on the outer side of the screw column, a spring bin is provided in the middle of the lower end of the winding turntable, a spring is provided on the inner side of the spring bin, the outer end of the spring is fixed on the inner side of the spring bin, the spring sleeve is provided on the outer side of the screw column and the inner end of the spring is fixed on the screw column, a data cable is wound on the outer side of the spring bin, and the inner end of the data cable is fixed on the outer side of the spring bin after winding;

[0006] A gear ring is fixedly arranged at the center of the upper end of the winding turntable, a PCB board 1 is arranged outside the gear ring at the upper end of the winding turntable, and the inner end of the data line is electrically connected to the PCB board 1 through a wire;

[0007] The upper cover is upwardly protruded and provided with an installation groove, a PCB board 2 is fixedly provided at the center of the installation groove, two battery access holes that penetrate the upper cover are provided at the center edge of the installation groove, and battery seats are respectively provided in the two battery access holes, and the battery seats are welded on the PCB board 2 and electrically connected thereto; an electrical connection slide groove is provided on the upper side of the PCB board 1, and a probe corresponding to the electrical connection slide groove is provided on the lower side of the PCB board 2, and the PCB board 2 is slidably electrically connected to the PCB board 1 through the probe; a hammer groove is provided on the upper side of the center of the installation groove, a hammer supported by a spring is provided in the hammer groove, and the front end position of the hammer corresponds to the tooth groove of the gear ring supported at the center of the upper end of the winding turntable; a limiting groove is provided on the outer side of the center of the installation groove, and a start-stop swing lever is rotatably provided in the limiting groove, and a limiting column is provided at the front end of the start-stop swing lever, and a corresponding limiting guide rail is provided at the position of the limiting column corresponding to the upper end of the winding turntable.

[0008] Furthermore, the data cable is a data cable with a micro, Type-C or Lightning plug.

[0009] Furthermore, the battery holder is composed of an injection-molded spring piece that is snapped into the sheath through a buckle.

[0010] The beneficial effects of the utility model are:

[0011] The utility model has a gear ring fixedly arranged at the center of the upper end of the winding turntable, and a corresponding hammer with a spring is arranged on the upper cover. When the data cable is extended or retracted, the hammer and the rotating gear ring produce a crisp mechanical sound, effectively covering up the abnormal sound caused by the friction between the circuit board and the battery holder, and improving the use experience of the product; the upper cover is provided with a positioning column which is correspondingly inserted into the positioning hole provided in the lower cover, and the internal components can be arranged correspondingly and then fixed with screws to complete the assembly, which is convenient to assemble; the battery holder is composed of an injection-molded spring piece which is snapped into the sheath through a buckle, which is convenient to assemble and can achieve efficient production. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of an ultra-thin, high-current, single-pull telescopic wire in the utility model;

[0013] Figure 2 This is a schematic diagram of the splitting of the ultra-thin high-current single-pull telescopic wire in the utility model;

[0014] Figure 3 This is a schematic diagram of the upper cover in the utility model;

[0015] Figure 4 It is a schematic diagram of the battery holder in the utility model.

[0016] The following are the descriptions of the reference numerals:

[0017] 1 is the lower cover, 2 is the screw column, 3 is the screw, 4 is the upper cover, 5 is the positioning column, 6 is the positioning hole, 7 is the winding turntable, 8 is the spring bin, 9 is the spring, 10 is the data cable, 11 is the gear ring, 12 is the PCB board one, 1201 is the electrical connection slide groove, 13 is the installation groove, 14 is the PCB board two, 15 is the battery access hole, 16 is the battery holder, 17 is the hammer groove, 18 is the spring, 19 is the hammer, 20 is the limit groove, 21 is the start-stop swing lever, 22 is the limit column, 23 is the limit guide rail, 1601 is the spring, 1602 is the buckle, and 1603 is the sheath. DETAILED DESCRIPTION

[0018] The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

[0019] The following describes the embodiments of the present disclosure through specific examples, and those skilled in the art can easily understand other advantages and effects of the present disclosure from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all of the embodiments. The present disclosure can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present disclosure. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present disclosure.

[0020] In order to produce mechanical sounds and enhance the user experience, the specific contents of the utility model are as follows.

[0021] Combination Figure 1 , Figure 2 , Figure 3 As shown, the embodiment of the utility model is an ultra-thin large current single-pull telescopic wire, comprising a lower cover 1, a screw column 2 fixed in the middle of the lower cover 1, an upper cover 4 fixed on the screw column 2 by screws 3 to seal the upper end of the lower cover 1, the upper cover 4 is provided with a positioning column 5 correspondingly inserted into the positioning hole 6 provided in the lower cover 1, and importantly, it also comprises a winding turntable 7 rotatably arranged on the outside of the screw column 2, a spring bin 8 is arranged in the middle of the lower end of the winding turntable 7, a spring 9 is arranged inside the spring bin 8, the outer end of the spring 9 is fixed on the inner side of the spring bin 8, the spring 9 is sleeved on the outer side of the screw column 2 and the inner end of the spring 9 is fixed on the screw column 2, a data line 10 is wound around the outer side of the spring bin 8, and the inner end of the data line 10 is fixed to the outer side of the spring bin 8 after winding;

[0022] A toothed ring 11 is fixedly arranged at the center of the upper end of the winding turntable 7, a PCB board 12 is arranged outside the toothed ring 11 at the upper end of the winding turntable 7, and the inner end of the data line 10 is electrically connected to the PCB board 12 through a wire;

[0023] The upper cover 4 is provided with an upwardly protruding mounting groove 13, a PCB board 2 14 is fixedly provided at the center of the mounting groove 13, two battery access holes 15 penetrating the upper cover 4 are provided at the center edge of the mounting groove 13, a battery holder 16 is provided in each of the two battery access holes 15, the battery holder 16 is welded on the PCB board 2 14 and electrically connected thereto, an electrical connection slide groove 1201 is provided on the upper side of the PCB board 12, a probe corresponding to be inserted into the electrical connection slide groove 1201 is provided on the lower side of the PCB board 2 14, and the PCB board 2 14 is electrically connected to the PCB board 1 12 through the sliding of the probe; a hammer groove 17 is provided on the upper side of the center of the mounting groove 13, a hammer 19 supported by a spring 18 is provided in the hammer groove 17, and the front end position of the hammer 19 corresponds to the center of the upper end of the winding turntable 7. The tooth groove of the tooth ring 11; the outer side of the center of the installation groove 13 is provided with a limit groove 20, and the limit groove 20 is rotatably provided with a start-stop swing lever 21, and a limit column 22 is provided at the front end of the start-stop swing lever 21. The upper end of the winding turntable 7 is provided with a corresponding limit guide rail 23 corresponding to the limit column 22. It should be noted that the limit column 22 is engaged with the limit guide rail 23. Since the telescopic mechanism plays a telescopic role, it is convenient to store the data cable 10. When the data cable 10 is used, the data cable 10 can be directly pulled out for use. When the pulling stops, the limit column 22 is engaged with the limit guide rail 23; after using the data cable 10, the data cable 10 is pulled again, and the limit column 22 is separated from the limit guide rail 23, which can facilitate the clockwork 9 to pull the winding turntable 7 to retract the data cable 10;

[0024] With this design, a toothed ring 11 is fixedly arranged at the center of the upper end of the winding turntable 7, and a corresponding hammer 19 with a spring 18 is arranged on the upper cover 4. When the data cable 10 is extended or retracted, the hammer 19 and the rotating toothed ring 11 create a crisp mechanical sound, which effectively masks the abnormal sound caused by the friction between the circuit board and the battery holder and improves the user experience of the product. The upper cover 4 is provided with a positioning column 5 which is inserted into the positioning hole 6 provided in the lower cover 1. After the internal components are arranged accordingly, they are fixed with screws 3 to complete the assembly, and the assembly is convenient.

[0025] Preferably, the data cable 10 is a data cable with a micro, Type-C or Lightning plug, and the corresponding data cable plug can be set as needed.

[0026] Preferably, the combination Figure 4 As shown, the battery holder 16 is composed of an injection molded spring 1601 that is snapped into a sheath 1603 through a buckle 1602, which is easy to assemble and can achieve efficient production. At the same time, the spring 1601 uses widened positive and negative springs to achieve high current charging.

[0027] The above is only for explaining the implementation mode of the utility model and is not used to limit the utility model. For those skilled in the art, any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the utility model without creative work should be included in the protection scope of the utility model.

Claims

1. An ultra-thin high-current single-pull telescopic cable, comprising a lower cover, a screw column fixed to the middle of the lower cover, an upper cover fixed to the screw column by screws to seal the upper end of the lower cover, the upper cover is provided with a positioning column corresponding to the positioning hole provided in the lower cover, characterized in that: It also includes a winding turntable rotatably arranged on the outside of the screw column, a spring bin is arranged at the middle part of the lower end of the winding turntable, a spring is arranged on the inside of the spring bin, the outer end of the spring is fixed on the inner side of the spring bin, the spring is sleeved on the outside of the screw column and the inner end of the spring is fixed on the screw column, a data cable is wound on the outside of the spring bin, and the inner end of the data cable is fixed on the outside of the spring bin after winding; A gear ring is fixedly arranged at the center of the upper end of the winding turntable, a PCB board 1 is arranged outside the gear ring at the upper end of the winding turntable, and the inner end of the data line is electrically connected to the PCB board 1 through a wire; The upper cover is upwardly protruded and provided with an installation groove, a PCB board 2 is fixedly provided at the center of the installation groove, two battery access holes that penetrate the upper cover are provided at the center edge of the installation groove, and battery seats are respectively provided in the two battery access holes, and the battery seats are welded on the PCB board 2 and electrically connected thereto; an electrical connection slide groove is provided on the upper side of the PCB board 1, and a probe corresponding to the electrical connection slide groove is provided on the lower side of the PCB board 2, and the PCB board 2 is slidably electrically connected to the PCB board 1 through the probe; a hammer groove is provided on the upper side of the center of the installation groove, a hammer supported by a spring is provided in the hammer groove, and the front end position of the hammer corresponds to the tooth groove of the gear ring supported at the center of the upper end of the winding turntable; a limiting groove is provided on the outer side of the center of the installation groove, and a start-stop swing lever is rotatably provided in the limiting groove, and a limiting column is provided at the front end of the start-stop swing lever, and a corresponding limiting guide rail is provided at the position of the limiting column corresponding to the upper end of the winding turntable.

2. The ultra-thin high current single-pull telescopic cable according to claim 1, characterized in that: The data cable is a data cable with a micro, Type-C or Lightning plug.

3. The ultra-thin high current single-pull telescopic cable according to claim 1, characterized in that: The battery holder is composed of an injection-molded spring piece which is snapped into the sheath through a buckle.

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