Charging device

Abstract

The utility model provides a charging device which comprises a shell, a circuit board arranged in the shell and a charging wire penetrating through the shell and electrically connected with the circuit board, the charging wire comprises a first part located in the shell, a second part and a third part, the second part is connected to the two ends of the first part and located outside the shell, and the second part forms a handle. The third part is used for being connected with to-be-charged equipment, and the charging wire can be stretched relative to the shell to adjust the lengths of the second part and the third part. The charging wire is movably arranged on the shell in a penetrating mode, the length of the second part and the length of the third part can be adjusted by pulling the second part or the third part, and therefore when the charging wire is stored, the wire body can be stretched according to the requirement of a user to adjust the length of the lifting handle; when the charging wire is detached for charging, the wire body can be stretched according to user needs to adjust the charging length, troubles such as winding of the wire body are avoided, the charging device is convenient to carry and store by a user, and good product experience is brought to the user.

Description

Technical Field

[0001] The present application relates to the technical field of charging, and in particular to a charging device. Background Art

[0002] With the development of science and technology, various electronic products have appeared in people's lives and work, such as mobile phones, tablet computers and other mobile communication devices. These electronic products are generally equipped with batteries to provide power supply. When the battery power is exhausted, a charger needs to be used to connect the electronic products to charge them. In particular, the current electronic products have more and more functions and are becoming more and more intelligent. The battery power consumption is also getting faster and faster. The demand for chargers is constantly increasing, and even the charger needs to be carried with you. An existing charger includes a charging head and a charging cable connected to the charging head. One end of the charging cable is fixedly connected to the circuit board in the charging head, and the other end is connected to the electronic product. The charging head is used to connect to an external power source. In order to avoid the situation where the charging cable is located outside the charging head, a storage structure for storing the charging cable is provided on the outer wall of the charging head. The portion of the charging cable located between the circuit board and the storage structure can form a handle, which is convenient for users to carry. When charging is needed, the charging cable can be removed from the storage structure. However, this type of charger still has some drawbacks. For example, the length of the handle is fixed when the charging cable is stored, and the handle length cannot be adjusted according to user needs. When the charging cable is taken out for charging, the charging length is the length of the charging cable outside the charging head, and the charging length cannot be adjusted according to user needs. Problems such as cable entanglement are still prone to occur.

[0003] Based on this, it is necessary to improve the structure of the existing charging device to solve the above problems. Summary of the invention

[0004] In view of this, the present application provides a charging device that can effectively solve the above problems.

[0005] The present application provides a charging device, including a shell, a circuit board arranged in the shell, and a charging cable that passes through the shell and is electrically connected to the circuit board. The charging cable includes a first part located in the shell, and a second part and a third part connected to both ends of the first part and located outside the shell. The second part forms a handle, and the third part is used to connect to a device to be charged. The charging cable can move relative to the shell and adjust the lengths of the second part and the third part.

[0006] In one embodiment, the housing is provided with a first wire hole, and an end of the second part away from the first part is passed through the first wire hole and is electrically connected to the circuit board.

[0007] In one embodiment, the shell is provided with a second wire hole, the charging wire can be movably passed through the second wire hole, the charging wire connects the first wire hole and the second wire hole, and the part of the charging wire located outside the shell forms the second part.

[0008] In one embodiment, the shell is provided with a third wire hole, and the charging cable can be movably inserted into the third wire hole. The portion of the charging cable connected to the third wire hole and located outside the shell forms the third portion, and the portion of the charging cable connected to the second wire hole and the third wire hole and located inside the shell forms the first portion.

[0009] In one embodiment, the first wire hole and the second wire hole are located on the same side of the housing and are arranged adjacent to each other.

[0010] In one embodiment, the third wire hole and the first wire hole or the second wire hole are respectively located on adjacent side walls of the housing.

[0011] In one embodiment, the housing is provided with a fixing member corresponding to the first wire hole, and the fixing member is used to fix an end of the second part away from the first part in the first wire hole.

[0012] In one embodiment, the fixing member includes a stopping portion and a first wire fixing portion and a second wire fixing portion connected to opposite sides of the stopping portion, the second part is sequentially passed through the second wire fixing portion, the stopping portion, and the first wire fixing portion, the second wire fixing portion is located in the first wire hole, a clamping groove is provided on the inner side of the first wire hole, and the stopping portion is clamped in the clamping groove.

[0013] In one embodiment, a wire member for constraining the routing of the first part is provided in the shell, the wire member is arranged corresponding to the third wire hole, the wire member is provided with a guide hole and is connected to the third wire hole, and the first part can be movably passed through the guide hole.

[0014] In one embodiment, the third part is detachably connected to the housing.

[0015] In one embodiment, a wire fixing groove is provided on the outer side wall of the shell, and the third part is received in the wire fixing groove.

[0016] In one embodiment, the charging device includes a pin provided on the shell for connecting to an external power source, the pin is electrically connected to the circuit board, the pin is provided at an end of the shell opposite to the first wire hole or the second wire hole, and the circuit board is provided on a side of the shell away from the third wire hole.

[0017] In one embodiment, the circuit board includes a high-voltage circuit and a low-voltage circuit, the pin is electrically connected to the high-voltage circuit, and the charging line is electrically connected to the low-voltage circuit.

[0018] In summary, the present application provides a charging device, including a shell, a circuit board arranged in the shell, and a charging cable inserted in the shell and electrically connected to the circuit board, the charging cable including a first part located in the shell and a second part and a third part connected to both ends of the first part and located outside the shell, the second part forming a handle, the third part being used to connect to a device to be charged, and the charging cable can be stretched relative to the shell to adjust the length of the second part and the third part. The present application allows the charging cable to be movably inserted into the shell, and the length of the second part and the third part can be adjusted by pulling the second part or the third part, so that when the charging cable is stored, the cable body can be stretched according to user needs to adjust the length of the handle, and when the charging cable is removed for charging, the cable body can be stretched according to user needs to adjust the charging length, thereby avoiding the trouble of cable entanglement, making it convenient for users to carry and store the charging device, and bringing users a good product experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of the charging device of the present application.

[0020] Figure 2 for Figure 1 A preliminary exploded diagram of the charging device.

[0021] Figure 3 for Figure 2 A further exploded schematic diagram of the charging device. DETAILED DESCRIPTION

[0022] Before describing the embodiments in detail, it should be understood that the present application is not limited to the detailed structure or component arrangement described below or in the drawings in the present application. The present application may be an embodiment implemented in other ways. Moreover, it should be understood that the words and terms used herein are only used for descriptive purposes and should not be interpreted restrictively. The words "including", "comprising", "having" and the like used herein are meant to include the items listed thereafter, their equivalents and other additional items. In particular, when describing "a certain element", the present application does not limit the number of the element to one, but may also include multiple elements.

[0023] Please also refer to Figures 1 to 3 As shown, the present application provides a charging device 10 that can be used to charge electronic devices, such as mobile phones, tablet computers, shavers, speakers and other rechargeable electronic products. In the present application, the charging device 10 is described in detail using a mobile phone charger as an example.

[0024] In the present application, the charging device 10 includes a housing 12, a circuit board 14 disposed in the housing 12, and a charging cable 16 that passes through the housing 12 and is electrically connected to the circuit board 14. The charging cable 16 includes a first portion 16a located in the housing 12, and a second portion 16b and a third portion 16c connected to both ends of the first portion 16a and located outside the housing 12. The second portion 16b can be formed as a handle for the user to carry, or to be hung somewhere, such as on a wall or a shelf, and stored. It should be noted that in the present application, the inside of the housing 12 is a built-in space for accommodating electronic components, and the outside of the housing 12 is the outer surface of the housing 12 relative to the inside of the housing 12. The third portion 16c is used to connect to a mobile phone, and the charging cable 16 can be stretched relative to the housing 12 to adjust the length of the second portion 16b and the third portion 16c. In the present application, the charging cable 16 is movably inserted into the housing 12, and the length of the second portion 16b and the third portion 16c can be adjusted by pulling the second portion 16b or the third portion 16c, so that when the charging cable 16 is stored, the cable body can be stretched according to user needs to adjust the length of the handle, and when the charging cable 16 is removed for charging, the cable body can be stretched according to user needs to adjust the charging length, thereby avoiding the trouble of cable entanglement, making it convenient for users to carry and store the charging device 10, and bringing users a good product experience.

[0025] In the embodiment shown, Figure 1 and Figure 2 As shown, the shell 12 is in the shape of a rectangular parallelepiped as a whole. The shell 12 defines mutually perpendicular length directions X, width directions Y, and thickness directions Z. The shell 12 includes a first side wall 24 and a second side wall 26 that are opposite to each other in the width direction Y, and a first shell portion 28 and a second shell portion 30 that are opposite to each other in the thickness direction Z. The first shell portion 28 and the second shell portion 30 are connected to each other by a butt joint, for example, by a buckle or screw fixation. After the first shell portion 28 and the second shell portion 30 are connected, two openings at both ends in the width direction Y are formed. The first side wall 24 and the second side wall 26 are respectively connected to the above-mentioned two openings at both ends, for example, by a buckle or screw fixation. The opposite ends of the first shell portion 28 and the second shell portion 30 are both designed to be arc-shaped. After the two are butt jointed, the opposite ends of the shell 12 in the length direction X form a first arc wall 32 and a second arc wall 34, respectively, to increase the aesthetics of the product. In other embodiments, the shell 12 can also be designed to be other shapes.

[0026] Please also refer to Figure 2 and Figure 3As shown, the housing 12 is provided with a first wire hole 13, a second wire hole 15 and a third wire hole 17 for the charging wire 16 to pass through. The charging wire 16 has a first end 18 and a second end 20 opposite to each other. The first end 18 is located at the end of the second part 16b, and the second end 20 is located at the end of the third part 16c. The first end 18 is electrically connected to the circuit board 14, and the second end 20 is connected to the external electronic device. The end (first end 18) of the second part 16b away from the first part 16a is passed through the first wire hole 13 and is electrically connected to the circuit board 14. The second part 16b can form a handle portion by passing through the first wire hole 13. The first part 16a can be arranged in the housing 12, and the charging wire 16 can pass through the first wire hole 13 again to form the third part 16c. That is, the first end 18 of the charging wire 16 is connected to the circuit board 14, and then the second end 20 passes through the first wire hole 13 three times to form the second part 16b of the handle, the first part 16a folded inwardly in the housing 12, and the third part 16c extending out of the housing 12 and connected to the external electronic device. Another way to connect the charging cable 16 is that the charging cable 16 can also be movably inserted into the second cable hole 15. The portion of the charging cable 16 that connects the first cable hole 13 and the second cable hole 15 and is located outside the housing 12 forms the second portion 16b. The first portion 16a is folded inwardly into the housing 12, and the third portion 16c extends out of the second cable hole 15. That is, the first end 18 of the charging cable 16 is connected to the circuit board, and the second end 20 passes through the first cable hole 13, then through the second cable hole 15, and then through the second cable hole 15 again. In the above way of connecting the charging cable 16, the first portion 16a will be folded inwardly into the housing 12, which will reduce the service life, and the cable body will also interfere with the installation and use of other components. The optimal way is that the shell 12 is provided with a first wire hole 13, a second wire hole 15 and a third wire hole 17 at the same time, the first end 18 of the charging cable 16 is connected to the circuit board, the second end 20 passes through the first wire hole 13, then through the second wire hole 15, and finally through the third wire hole 17, the charging cable 16 connects the first wire hole 13 and the second wire hole 15, and the part located outside the shell 12 forms a second part 16b, the charging cable 16 connects the second wire hole 15 and the third wire hole 17 and the part located inside the shell 12 forms a first part 16a, and the charging cable 16 connects the third wire hole 17 and the part located outside the shell 12 forms a third part 16c. With this design, the connection method of the charging cable 16 is more reasonable, and it is also convenient to stretch, thereby extending the service life.

[0027] The third wire hole 17 allows the charging cable 16 to be stretched to adjust the length of the second portion 16b and the third portion 16c. The portion of the charging cable 16 outside the second wire hole 15 forms the second portion 16b, the portion of the charging cable 16 outside the third wire hole 17 forms the third portion 16c, and the portion of the charging cable 16 between the second wire hole 15 and the third wire hole 17 forms the first portion 16a.

[0028] In the illustrated embodiment, the first wire hole 13 and the second wire hole 15 are located on the same side of the housing 12 and are arranged adjacent to each other, and the third wire hole 17 and the first wire hole 13 or the second wire hole 15 are respectively located on adjacent side walls of the housing 12. Specifically, the first wire hole 13 and the second wire hole 15 are both opened on the first arc wall 32 of the housing 12, the third wire hole 17 is opened on the first side wall 24 of the housing 12, the first arc wall 32 is arranged adjacent to the first side wall 24, and the second wire hole 15 is located on the side of the first wire hole 13 close to the third wire hole 17. The first wire hole 13 and the second wire hole 15 are located on the same side of the housing 12 and are arranged adjacent to each other, so that the second part 16b does not need to be very long, and a longer space can be formed for easy storage. The first wire hole 13 and the second wire hole 15 can be set on different sides of the housing 12, but the handle effect is poor, and the charging cable 16 spans too much housing area, which also affects the appearance. The third cable hole 17 is arranged on a different side from the handle area, that is, on a different side from the first cable hole 13 or the second cable hole 15. In this embodiment, the third cable hole 17 is located on the side wall adjacent to the first cable hole 13 or the second cable hole 15, so as to facilitate the storage and stretching of the third part 16c. If the third cable hole 17 is located on the same side wall as the first cable hole 13 or the second cable hole 15, the distance of the third part 16c stored on the shell cannot be as long as possible, so the user needs to stretch the charging cable 16 to reach the desired charging length every time it is used, which is inconvenient to operate. When the second part 16b is at a suitable handle length, the third part 16c is as long as possible to better meet the needs of users with different lengths of charging cables 16.

[0029] A fixing member 36 is provided on the first arc wall 32 of the housing 12 corresponding to the first wire hole 13, and the fixing member 36 is used to fix the first end 18 in the first wire hole 13. The first end 18 is fixedly connected to the fixing member 36. For example, the first end 18 of the charging cable 16 can be set as an integral structure with the fixing member 36, and the fixing member 36 is fixed on the first arc wall 32 of the housing 12. Specifically, the fixing member 36 includes a stopper 38 and a first wire fixing portion 40 and a second wire fixing portion 42 connected to opposite sides of the stopper 38. The first end 18 is sequentially passed through the second wire fixing portion 42, the stopper 38, and the first wire fixing portion 40, and the passing portion is electrically connected to the circuit board 14. The second wire fixing portion 42 is fixedly passed through the first wire hole 13. For example, the fixing member 36 is set as an axial through structure, and the first end 18 is sleeved and fixed in the second wire fixing portion 42, the stopper 38, and the first wire fixing portion 40.

[0030] In the illustrated embodiment, the stopper 38 is in the shape of a square plate, the first wire fixing portion 40 and the second wire fixing portion 42 are both in the shape of a cylinder, and the size of the stopper 38 is larger than the size of the first wire fixing portion 40 and the second wire fixing portion 42. The first wire fixing portion 40 is located inside the housing 12, and the second wire fixing portion 42 partially extends out of the housing 12. The first arc wall 32 is provided with a clamping groove 46 corresponding to the stopper 38, and the clamping groove 46 is located inside the first wire hole 13. The stopper 38 is clamped in the clamping groove 46. In this embodiment, the clamping groove 46 is composed of two parts, one of which is arranged on the end wall of the first shell 28, and the other is arranged on the end wall of the second shell 30. The two are connected to form a complete clamping groove 46. By providing a fixing member 36 to fix the first end 18, the charging cable 16 is not easily damaged by being pulled, resulting in poor contact between the charging cable 16 and the circuit board 14. In addition, the larger stopper 38 is clamped in the clamping groove 46. When the charging cable 16 is pulled, the stopper 38 is stressed and is not easily damaged.

[0031] In the illustrated embodiment, the first wire hole 13 and the second wire hole 15 are arranged at intervals in the width direction of the shell 12, wherein the first wire hole 13 is located on the side close to the first side wall 24, and the second wire hole 15 is located on the side close to the second side wall 26. A wire guide 48 for constraining the routing of the first part 16a is provided in the shell 12, and the wire guide 48 is arranged corresponding to the third wire hole 17. For example, the wire guide 48 is fixedly arranged on the inner wall surface of the first side wall 24 on the side close to the first arc wall 32, for example, fixed by screws, and the wire guide 48 is provided with a guide hole 50, and the first part 16a can be movably passed through the guide hole 50. Preferably, the guide hole 50 is connected to the third wire hole 17. By providing the wire guide 48, the charging cable 16 can be reasonably routed in the shell 12 without interfering with other components, avoiding friction or wire jamming, so that the charging cable 16 can be smoothly extended and retracted.

[0032] Further, a fixing groove 52 for receiving the third part 16c is provided on the outer wall of the first side wall 24. The fixing groove 52 is provided outside the housing 12 and extends along the length direction of the housing 12. The third wire hole 17 is provided at one end of the fixing groove 52 near the first arc wall 32, so that the guide hole 50 is directly connected with the fixing groove 52. The third part 16c is squeezed and fixed in the fixing groove 52 by extrusion, for example, a plurality of protrusions are arranged at intervals on the opposite side walls in the fixing groove 52, so as to achieve the effect of squeezing and fixing. The fixing groove 52 is formed by, for example, the central part of the first side wall 24 is recessed inward. Further, a connector 54 is provided at one end (the second end 20) of the third part 16c away from the first part 16a. The connector 54 is used to be plugged with the charging interface of the mobile phone to realize electrical connection. A card slot 56 for accommodating the connector 54 is provided in the fixing groove 52. When the charging cable 16 is stored, the connector 54 is fixed in the card slot 56.

[0033] Preferably, the second portion 16b of the charging cable 16 is located outside the shell 12 and can be used as a handle or hanging portion of the charging device 10. For example, when a user carries the charging device 10, the second portion 16b can be used as a handle to carry it by hand, which brings convenience to the user. When the user does not use the charging device 10, the second portion 16b can be used as a hanging portion to be hung up for storage.

[0034] In the illustrated embodiment, the charging device 10 further includes a pin 60 disposed on the housing 12 for connecting to an external power source. The pin 60 is disposed on the second housing portion 30 at a location on the second arc wall 34 and is electrically connected to the circuit board 14. Preferably, the pin 60 can rotate between a storage position and an extended position relative to the housing 12. When the charging device 10 needs to be connected to an external power source for charging, the pin 60 rotates to the extended position to be plugged into an external socket. When the charging device 10 is not in use, the pin 60 rotates to the storage position for storage.

[0035] In this embodiment, the pin 60 and the first end 18 of the charging cable 16 are respectively located at opposite ends of the housing 12, and the circuit board 14 is disposed on one side of the housing 12 close to the second side wall 26 and extends along the length direction and thickness direction of the housing 12. The card slot 56 is located at the end of the fixed wire groove 52 away from the first end 18, and the wire member 48 is located at the end of the fixed wire groove 52 close to the first end 18. Such a configuration can make the second portion 16b form a more reasonable length. The length of the portion of the charging cable 16 passing through the guide hole 50 (the third portion 16c) is the length of the fixed wire groove 52, which is more appropriate, avoiding the second portion 16b being too short and not conducive to lifting, and also causing the overall length of the charging cable 16 to be too short. If the second portion 16b is too long, it will also cause problems such as wire winding.

[0036] Preferably, the circuit board 14 includes a high-voltage circuit and a low-voltage circuit. The high-voltage circuit is located on the side of the circuit board 14 close to the pin 60, and the pin 60 is electrically connected to the high-voltage circuit. The low-voltage circuit is located on the side of the circuit board 14 close to the first end 18, and the first end 18 of the charging cable 16 is electrically connected to the low-voltage circuit. The high voltage is separated from the low voltage to form a safe electrical insulation distance. Moreover, such wiring is relatively reasonable, and a relatively stable handle structure is formed. After the wire body does not pass through the high-voltage area, safety is improved. In other embodiments, two circuit boards 14 can also be provided, one of which is provided as a high-voltage circuit board, and the other circuit board is provided as a low-voltage circuit board. The pin 60 is electrically connected to the high-voltage circuit board, and the charging cable 16 is electrically connected to the low-voltage circuit board. The high-voltage circuit board is electrically connected to the low-voltage circuit board.

[0037] In summary, the present application provides a charging device, including a shell, a circuit board arranged in the shell, and a charging cable inserted in the shell and electrically connected to the circuit board, the charging cable including a first part located in the shell and a second part and a third part connected to both ends of the first part and located outside the shell, the second part forming a handle, the third part being used to connect to a device to be charged, and the charging cable can be stretched relative to the shell to adjust the length of the second part and the third part. The present application allows the charging cable to be movably inserted into the shell, and the length of the second part and the third part can be adjusted by pulling the second part or the third part, so that when the charging cable is stored, the cable body can be stretched according to user needs to adjust the length of the handle, and when the charging cable is removed for charging, the cable body can be stretched according to user needs to adjust the charging length, thereby avoiding the trouble of cable entanglement, making it convenient for users to carry and store the charging device, and bringing users a good product experience.

[0038] The concepts described herein may be implemented in other forms without departing from their spirit and characteristics. The specific embodiments disclosed should be considered illustrative rather than restrictive. Therefore, the scope of this application is determined by the appended claims rather than by the preceding description. Any changes within the literal meaning and equivalent scope of the claims should fall within the scope of these claims.

Claims

1. A charging device, characterized in that: The invention comprises a shell, a circuit board arranged in the shell, and a charging cable passing through the shell and electrically connected to the circuit board. The charging cable comprises a first part located in the shell, and a second part and a third part connected to both ends of the first part and located outside the shell. The second part forms a handle, and the third part is used to connect to a device to be charged. The charging cable can move relative to the shell and adjust the length of the second part and the third part.

2. The charging device according to claim 1, characterized in that: The housing is provided with a first wire hole, and one end of the second part away from the first part is passed through the first wire hole and is electrically connected to the circuit board.

3. The charging device according to claim 2, characterized in that: The shell is provided with a second wire hole, the charging wire can be movably passed through the second wire hole, the charging wire connects the first wire hole and the second wire hole, and the part of the charging wire located outside the shell forms the second part.

4. The charging device according to claim 3, characterized in that: The shell is provided with a third wire hole, and the charging wire can be movably inserted into the third wire hole. The portion of the charging wire connected to the third wire hole and located outside the shell forms the third portion, and the portion of the charging wire connected to the second wire hole and the third wire hole and located inside the shell forms the first portion.

5. The charging device according to claim 3, characterized in that: The first wire hole and the second wire hole are located on the same side of the housing and are arranged adjacent to each other.

6. The charging device according to claim 4, characterized in that: The third wire hole and the first wire hole or the second wire hole are located on adjacent side walls of the housing.

7. The charging device according to claim 2, characterized in that: The housing is provided with a fixing piece corresponding to the first wire hole, and the fixing piece is used to fix an end of the second part away from the first part in the first wire hole.

8. The charging device according to claim 7, characterized in that: The fixing member includes a stopping portion and a first wire fixing portion and a second wire fixing portion connected to opposite sides of the stopping portion, the second part is sequentially passed through the second wire fixing portion, the stopping portion and the first wire fixing portion, the second wire fixing portion is located in the first wire hole, a clamping groove is provided on the inner side of the first wire hole, and the stopping portion is clamped in the clamping groove.

9. The charging device according to claim 4, characterized in that: A wire guide for constraining the routing of the first part is disposed in the housing, the wire guide is disposed corresponding to the third wire hole, the wire guide is provided with a guide hole and is connected to the third wire hole, and the first part can be movably passed through the guide hole.

10. The charging device according to claim 4, characterized in that: The third part is detachably connected to the housing.

11. The charging device according to claim 10, characterized in that: A wire fixing groove is provided on the outer side wall of the shell, and the third part is received in the wire fixing groove.

12. The charging device according to any one of claims 4, 6 and 9-11, characterized in that: The charging device includes a pin disposed on the shell for connecting to an external power source, the pin is electrically connected to the circuit board, the pin is disposed at an end of the shell opposite to the first wire hole or the second wire hole, and the circuit board is disposed on a side of the shell away from the third wire hole.

13. The charging device according to claim 12, characterized in that: The circuit board includes a high-voltage circuit and a low-voltage circuit, the pin is electrically connected to the high-voltage circuit, and the charging line is electrically connected to the low-voltage circuit.

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