Stacking structure of charging socket

By adopting an "I"-shaped circuit board structure and a retractable cable structure in the charging socket, the problem of excessive overall size caused by the retractable cable structure is solved, and efficient space utilization of the compact PCBA stacking structure is achieved.

CN223797681UActive Publication Date: 2026-01-13DONGGUAN BAOLAIPO COMM TECH CO LTD
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Patent Information

Application Number
CN202520162108.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2026-01-13
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

Existing charging sockets are too large due to the addition of retractable cord structures, making it difficult to meet the requirements of compact PCBA stacking structures.

Method used

Design a stacked structure for a charging socket, using a first circuit board and a second circuit board in an "I" shape. The second circuit board has a space, and the electrical connection end of the socket extends into the space and is electrically connected to the second circuit board. A retractable cable structure is set on the top of the PCBA stacked structure, and the socket and the retractable cable structure are powered through a plug.

Benefits of technology

It achieves a compact layout for the charging socket, improves space utilization, and keeps the overall size small.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223797681U_ABST
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Abstract

The utility model discloses a stacking structure of a charging socket, which is characterized in that a second circuit board is connected with a first circuit board, a plurality of electronic elements are respectively arranged at the positions, corresponding to the two sides of the second circuit board, of the first circuit board, a telescopic line structure is arranged at the top of the PCBA stacking structure, and the socket is arranged on one side of a shell and extends towards the inside of the shell. The socket is arranged in the first space and abuts against the side, corresponding to the PCBA stacking structure and away from the first circuit board, of the second circuit board, the electric connecting end of the socket extends into the first space and is electrically connected with the second circuit board, and a plug is further arranged outside the shell and used for electrifying the socket and the telescopic line structure. Compared with the prior art, the telescopic line structure, the socket and the plurality of electronic elements are respectively distributed at each position of the second circuit board, the layout is reasonable, the compact structure is kept, the space utilization rate is high, and the overall size of a final finished product is small.
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Description

Technical Field

[0001] This utility model relates to the field of electronic equipment technology, and in particular to a stacked structure for a charging socket. Background Technology

[0002] Today, there are many types of battery-powered electronic devices, such as mobile phones and laptops, which are all essential for everyday use and require charging devices. With technological advancements, people have increasingly higher requirements for the size and shape of charging devices, as well as for their power density and PCBA stacking structure. This is especially true for charging sockets with retractable cords, as the addition of the retractable cord presents challenges to the rationality of the internal layout of the charging socket.

[0003] Therefore, a compact PCBA stacking structure needs to be designed to avoid the charging socket becoming too large in the final overall size due to the addition of the telescopic cable structure. Utility Model Content

[0004] To achieve the above objectives, this utility model proposes a stacked structure for a charging socket, including a housing, a retractable cable structure, a plug, a socket, and a PCBA stacked structure.

[0005] The socket is located on one side of the housing and extends toward the inside of the housing;

[0006] The PCBA stacking structure is fixed inside the housing. The PCBA includes a first circuit board, a second circuit board, and several electronic components. The second circuit board has an "I" shaped structure with a first space and a second space. The second circuit board is connected to the first circuit board, and the first space is opposite to the socket. The electrical connection end of the socket extends into the first space and is electrically connected to the second circuit board. Several electronic components are respectively electrically connected to the positions of the first circuit board corresponding to the two sides of the second circuit board.

[0007] The telescopic cable structure is located inside the housing at the top of the PCBA stacking structure and is electrically connected to the PCBA stacking structure. The connecting end of the telescopic cable structure extends out of the housing and is exposed.

[0008] The plug is located on one side of the housing and is electrically connected to the PCBA stacked structure for connection to the mains power to enable power supply to the socket and retractable cord structure.

[0009] Preferably, the side of the first circuit board away from the second circuit board is electrically connected to several USB ports, and the rear side of the housing is open at the position corresponding to the USB ports.

[0010] Preferably, the rear side of the outer shell is provided with a fixing position that matches the connecting end of the telescopic cable structure, and the fixing position is provided with a magnetic suction element for adsorbing and fixing the connecting end of the telescopic cable structure in the fixing position.

[0011] Preferably, a display screen is provided on the rear side of the housing.

[0012] Preferably, the retractable cable structure is a retractable USB data cable.

[0013] Preferably, the outer casing includes a housing and a cover, the housing defining a receiving space having a front opening, and the cover being connected to the housing and closing the receiving space.

[0014] Preferably, the socket is circular, and the cover has a clearance hole at the position corresponding to the socket. The side of the cover near the socket has a positioning hole at the position adjacent to the clearance hole. The peripheral wall of the socket has a positioning part for insertion into the positioning hole at the position corresponding to the positioning hole. When the cover closes the receiving space, the socket is fixed by the insertion and cooperation of the positioning hole and the positioning part, as well as the abutment cooperation between the outer wall of the socket and the second circuit board.

[0015] Preferably, the socket has a limiting part on the side near the second circuit board, and the second circuit board has a limiting groove at the position corresponding to the limiting part, into which the limiting part can be engaged.

[0016] Preferably, the top of the outer casing is provided with a suction cup.

[0017] Preferably, a power switch is also provided for controlling the power on or off.

[0018] This utility model's technical solution utilizes a first circuit board, a second circuit board, and several electronic components to form a PCBA stacked structure fixed inside a housing. The second limiting plate is I-shaped, with a first and a second space, connecting the second circuit board to the first circuit board. Several electronic components are positioned on the first circuit board corresponding to the two sides of the second circuit board. A retractable cable structure is positioned on top of the PCBA stacked structure. A socket is positioned on one side of the housing, extending inwards and abutting against the side of the second circuit board of the PCBA stacked structure furthest from the first circuit board. The electrical connection end of the socket extends into the first space and is electrically connected to the second circuit board. A plug is also provided on the outside of the housing to power the socket and the retractable cable structure. Compared to traditional designs, this utility model's retractable cable structure, socket, and several electronic components are distributed across various positions on the second circuit board, resulting in a reasonable layout, compact design, high space utilization, and a smaller overall size of the final product. Attached Figure Description

[0019] Figure 1 This is a first-angle perspective view of the present invention;

[0020] Figure 2 This is a second perspective view of the present invention;

[0021] Figure 3This is a first-angle exploded view of the present invention;

[0022] Figure 4 This is a second exploded view of the present invention. Detailed Implementation

[0023] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0024] It should be noted that if any directional indication (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, etc.) is involved in the embodiments of this utility model, the directional indication is only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0025] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0026] This utility model proposes a stacking structure for a charging socket.

[0027] In this embodiment of the utility model, such as Figures 1 to 4 As shown, the stacked structure of the charging socket includes a housing, a telescopic cable structure 2, a plug 3, a socket 4, and a PCBA stacked structure.

[0028] The socket 4 is located on one side of the outer casing and extends into the casing. The PCBA stack structure is fixed inside the outer casing. The PCBA includes a first circuit board 51, a second circuit board 52, and several electronic components 53. The second circuit board 52 has an "I"-shaped structure with a first space 54 and a second space 55. The second circuit board 52 is connected to the first circuit board 51, and the first space 54 is opposite to the socket 4. The electrical connection end of the socket 4 extends into the first space 54 and is electrically connected to the second circuit board 52. Several electronic components 53 are electrically connected to the first circuit board 51 at positions corresponding to both sides of the second circuit board 52. The retractable cable structure 2 is located inside the outer casing at a position corresponding to the top of the PCBA stack structure and is electrically connected to the PCBA stack structure. The connection end of the retractable cable structure 2 extends out of the outer casing and is exposed. The plug 3 is located on one side of the outer casing and is electrically connected to the PCBA stack structure for connecting to the mains power to enable power supply to the socket 4 and the retractable cable structure 2.

[0029] Specifically, the first circuit board 51 has several USB ports 56 electrically connected to the side away from the second circuit board 52, and the rear side of the housing is open at the position corresponding to the USB ports 56.

[0030] Specifically, the rear side of the outer shell is provided with a fixing position 13 that is compatible with the connecting end of the telescopic cable structure 2. The fixing position 13 is provided with a magnetic suction element for adsorbing and fixing the connecting end of the telescopic cable structure 2 in the fixing position 13.

[0031] Specifically, a display screen 57 is provided on the rear side of the housing. The display screen 57 can display relevant data such as current and voltage.

[0032] Specifically, the retractable cable structure 2 is a retractable USB data cable. This is existing technology, and its specific principles will not be elaborated upon here.

[0033] Specifically, the outer casing includes a housing 11 and a cover 12. The housing 11 defines an accommodating space with a front opening, and the cover 12 is connected to the housing 11 and closes the accommodating space.

[0034] Specifically, the socket 4 is circular, and the cover 12 is provided with a clearance hole 121 corresponding to the position of the socket 4. The cover 12 is provided with a positioning hole 122 on the side close to the socket 4, adjacent to the clearance hole 121. The peripheral wall of the socket 4 is provided with a positioning part 41 for insertion into the positioning hole 122. When the cover 12 closes the receiving space, the socket 4 is fixed by the insertion and cooperation of the positioning hole 122 and the positioning part 41, and by the abutment cooperation between the outer wall of the socket 4 and the second circuit board 52.

[0035] Specifically, the socket 4 is provided with a limiting part 42 on the side near the second circuit board 52, and the second circuit board 52 is provided with a limiting groove 58 at the position corresponding to the limiting part 42, into which the limiting part 42 can be inserted.

[0036] Specifically, the top of the outer casing is provided with a suction cup 6.

[0037] Specifically, a power switch 7 is provided for controlling the power on or off. The power switch can be a regular switch or a voltage protection switch that can automatically cut off power in case of overload.

[0038] This utility model's technical solution utilizes a first circuit board, a second circuit board, and several electronic components to form a PCBA stacked structure fixed inside a housing. The second limiting plate is I-shaped, with a first and a second space, connecting the second circuit board to the first circuit board. Several electronic components are positioned on the first circuit board corresponding to the two sides of the second circuit board. A retractable cable structure is positioned on top of the PCBA stacked structure. A socket is positioned on one side of the housing, extending inwards and abutting against the side of the second circuit board of the PCBA stacked structure furthest from the first circuit board. The electrical connection end of the socket extends into the first space and is electrically connected to the second circuit board. A plug is also provided on the outside of the housing to power the socket and the retractable cable structure. Compared to traditional designs, this utility model's retractable cable structure, socket, and several electronic components are distributed across various positions on the second circuit board, resulting in a reasonable layout, compact design, high space utilization, and a smaller overall size of the final product.

[0039] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A stacked structure of charging sockets, characterized by: It includes a housing, a telescopic cable structure (2), a plug (3), a socket (4), and a PCBA stacking structure; The socket (4) is located on one side of the housing and extends toward the inside of the housing; The PCBA stack structure is fixed inside the housing. The PCBA includes a first circuit board (51), a second circuit board (52), and several electronic components (53). The second circuit board (52) has an "I" shaped structure with a first space (54) and a second space (55). The second circuit board (52) is connected to the first circuit board (51), and the first space (54) is opposite to the socket (4). The electrical connection end of the socket (4) extends into the first space (54) and is electrically connected to the second circuit board (52). Several electronic components (53) are respectively electrically connected to the positions of the first circuit board (51) corresponding to the two sides of the second circuit board (52). The telescopic wire structure (2) is located inside the housing at the position corresponding to the top of the PCBA stacking structure and is electrically connected to the PCBA stacking structure. The connecting end of the telescopic wire structure (2) extends out of the housing and is exposed. The plug (3) is located on one side of the housing and is electrically connected to the PCBA stack structure for connecting to the mains power to enable the socket (4) and the retractable cord structure (2) to be powered.

2. The stacked structure of charging sockets of claim 1, wherein: The first circuit board (51) has several USB ports (56) electrically connected to the side away from the second circuit board (52), and the rear side of the housing is open at the position corresponding to the USB ports (56).

3. The stacked structure of charging sockets of claim 1, wherein: The rear side of the outer shell is provided with a fixing position (13) that is compatible with the connecting end of the telescopic wire structure (2). The fixing position (13) is provided with a magnetic suction element for adsorbing and fixing the connecting end of the telescopic wire structure (2) in the fixing position (13).

4. The stacked structure of charging sockets of claim 1, wherein: The rear side of the housing is equipped with a display screen (57).

5. The stacked structure of charging sockets of claim 1, wherein: The retractable cable structure (2) is a retractable USB data cable.

6. The stacked structure of charging outlets of claim 1, wherein: The outer casing includes a housing (11) and a cover (12), the housing (11) defining a receiving space having a front opening, and the cover (12) being connected to the housing (11) and closing the receiving space.

7. The stacked structure of charging outlets according to claim 6, characterized in that: The socket (4) is circular. The cover (12) is provided with a clearance hole (121) corresponding to the position of the socket (4). The cover (12) is provided with a positioning hole (122) on the side of the socket (4) adjacent to the clearance hole (121). The peripheral wall of the socket (4) is provided with a positioning part (41) for insertion into the positioning hole (122) corresponding to the position of the positioning hole (122). When the cover (12) closes the accommodating space, the socket (4) is fixed by the insertion and cooperation of the positioning hole (122) and the positioning part (41) and the abutment cooperation of the outer wall of the socket (4) and the second circuit board (52).

8. The stacked structure of charging outlets of claim 1, wherein: The socket (4) has a limiting part (42) on the side near the second circuit board (52), and the second circuit board (52) has a limiting groove (58) corresponding to the limiting part (42) for the limiting part (42) to be inserted.

9. The stacked structure of charging outlets of claim 1, wherein: The top of the outer casing is provided with a suction cup (6).

10. The stacked structure of charging outlets according to any one of claims 1 to 9, characterized in that: It is also equipped with a power switch (7) for controlling the power on or off.