Mobile power supply circuit board with multiple expansion interfaces

By designing an installation and dustproof mechanism on the power bank circuit board, the circuit board can be installed quickly and the charging port can be effectively protected from dust, solving the problems of inconvenient installation and dust prevention, and improving assembly efficiency and safety.

CN224054590UActive Publication Date: 2026-03-27XINGHONG ZHILIAN (WUHAN) INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing power bank circuit boards are inconvenient to install and cannot effectively prevent dust, resulting in low assembly efficiency and increased safety hazards.

Method used

An installation mechanism and a dustproof mechanism were designed. The installation mechanism uses columns and long bolts to quickly fix the circuit board, while the dustproof mechanism uses a rotating frame and magnetic blocks to prevent dust from entering the charging port.

Benefits of technology

It improves the assembly efficiency of the circuit board and effectively prevents dust from entering the charging port, extending the service life of the circuit board and improving safety.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224054590U_ABST
Patent Text Reader

Abstract

The utility model discloses a mobile power supply circuit board with a plurality of expansion interfaces, which belongs to the technical field of circuit boards and comprises a power supply shell, a through hole is arranged at the top of the power supply shell, an installation mechanism is arranged on the inner side of the through hole, a circuit board main body is arranged on the inner side of the power supply shell, and a quick charging port II is arranged at the center of one side of the circuit board main body. A first quick charging port and a slow charging port are respectively arranged on two sides, close to the second quick charging port, of the side face of the circuit board body, a plurality of square holes are arranged on one side, close to the second quick charging port, of the side face of the power source shell, and a dustproof mechanism is arranged on one side, close to the square holes, of the outer side of the power source shell. Then the positioning holes of the circuit board main body are inserted along the stand columns, the circuit board main body can be simply fixed, the long bolts are screwed into the through holes, the long bolts are screwed and connected with the internal thread caps along the guide columns, and through fixation of the stand columns and the long bolts, the circuit board main body can be rapidly installed, and the assembling efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of circuit board, concretely relates to a mobile power supply circuit board with multiple expansion interfaces. BACKGROUND

[0002] People also use electronic products more and more closely, in order to pursue longer outdoor use time, generally need to carry a mobile power supply, and charge electronic products through mobile power supply.

[0003] Chinese patent application No. CN202420092053. X discloses a kind of double-way fast charging circuit board for mobile power supply, belong to the technical field of circuit board, including circuit board, the circuit board is respectively provided with fast charging port one, fast charging port two, ordinary charging port, circuit board one side is provided with the installation site one for installing fast charging port one, ordinary charging port, the two sides of installation site one on circuit board are provided with quick release structure, for the quick disassembly of fast charging port one, ordinary charging port, by being provided with fast charging port one, fast charging port two, ordinary charging port three charging port, can satisfy more charging equipment of user, also facilitate sharing fellow uses, simultaneously mainly through quick release structure on circuit board, fast charging port one, ordinary charging port is installed, when the structure appears not charging condition after the assembly of fast charging port one, ordinary charging port, worker can quickly replace charging or circuit board.

[0004] 1, the above-mentioned published patent has the problem of not being able to conveniently install circuit board, and the circuit board needs to be installed in the inside of the mobile power supply shell, and if installation is not convenient, it will lead to reduced assembly efficiency;2, the above-mentioned published patent has the problem of not being able to prevent dust from entering the charging port, and dust accumulation in the charging port will cause parts damage, circuit board short circuit and burnout, which has certain safety hazards. UTILITY MODEL CONTENTS

[0005] To solve the problems in the above background art, the utility model provides a mobile power supply circuit board with multiple expansion interfaces, which has the characteristics of convenient installation of circuit board and dust resistance.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a mobile power supply circuit board with multiple expansion interfaces, including power supply shell, the top of the power supply shell is provided with a through hole, the inner side of the through hole is provided with a mounting mechanism, the inner side of the power supply shell is provided with a circuit board main body, the center of one side of the circuit board main body is provided with a fast charging port two, the two sides of the fast charging port two close to the fast charging port one and the slow charging port are provided on the side of the circuit board main body, a plurality of square holes are provided on the side of the power supply shell close to the fast charging port two, and a dust prevention mechanism is provided on the side of the power supply shell close to the square hole.

[0007] Preferably, the mounting mechanism comprises a fixed plate, a stand, a positioning hole and an internally threaded cap, one side of the fixed plate is fixedly connected with the power supply shell, the top of the fixed plate is fixedly connected with the stand, the side of the circuit board body close to the stand is provided with the positioning hole, and the side of the top of the circuit board body below the through hole is fixedly connected with the internally threaded cap.

[0008] Preferably, the inner side of the through hole is provided with a long bolt, and the inner side of the power supply shell, located above the internally threaded cap, is fixedly connected with a guide column.

[0009] Preferably, the inner side of the power supply shell, located below the fast charging port, is fixedly connected with a limiting block, and the top of the limiting block is provided with a square groove.

[0010] Preferably, the dustproof mechanism comprises a rotating frame, a rotating rod, a connecting plate and a rotating plate, one side of the rotating frame is rotatably connected with the rotating rod, the outer side of the rotating rod is fixedly connected with the connecting plate, and the side, away from the rotating rod, of the connecting plate is provided with the rotating plate.

[0011] Preferably, the side, away from the connecting plate, of the rotating plate is provided with a magnet block, and the two sides of the side of the power supply shell close to the square hole are provided with iron bars.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、The utility model discloses a mounting mechanism, the circuit board body surface exists with the positioning hole that stand matches, installs, one end of circuit board body is inserted into the power supply shell, then the positioning hole of circuit board body is inserted along the stand, can simply fixed circuit board body, from the long bolt of through -hole, long bolt along with the internally threaded cap of guide column and is connected, through the fixing of stand and long bolt, can install circuit board body quickly, improve assembly efficiency.

[0014] 2、The utility model discloses a dustproof mechanism, the rotating plate and rotating rod can rotate around the rotating frame, the area of rotating plate is slightly larger than the area of square hole, when the rotating plate covers square hole, can carry out effective dust prevention, the magnet block on the surface of rotating plate can be attracted with the iron bar, to fix the rotating plate, when rotating plate rotates upwards, can charge through fast charging port one, through the rotating plate covers square hole, can effectively prevent dust to several charging ports. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic drawing of the utility model;

[0016] Figure 2 It is the structure schematic drawing of the power supply shell inside;

[0017] Figure 3 It is the structure schematic drawing of the mounting mechanism of the utility model;

[0018] Figure 4 It is a structure schematic view of the dustproof mechanism of the utility model;

[0019] In the drawing: 1, power shell; 2, through hole; 3, mounting mechanism; 31, fixed plate; 32, stand; 33, positioning hole; 34, internal thread cap; 35, long bolt; 36, guide column; 4, circuit board main body; 5, square hole; 6, dustproof mechanism; 61, rotating frame; 62, rotating rod; 63, connecting plate; 64, rotating plate; 65, magnet block; 66, iron bar; 7, fast charging port one; 8, fast charging port two; 9, slow charging port; 10, limiting block; 11, square groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Embodiment 1

[0022] Please refer to Figures 1-4 The utility model provides the following technical scheme: a mobile power supply circuit board with multiple expansion interfaces, including power shell 1, the top of power shell 1 is provided with through hole 2, the inner side of through hole 2 is provided with mounting mechanism 3, the inner side of power shell 1 is provided with circuit board main body 4, the side center of circuit board main body 4 is provided with fast charging port two 8, the two sides of the side of circuit board main body 4 close to fast charging port two 8 are provided with fast charging port one 7 and slow charging port 9 respectively, the side of power shell 1 close to fast charging port two 8 is provided with multiple square holes 5, the side of the outer side of power shell 1 close to square hole 5 is provided with dustproof mechanism 6.

[0023] Specifically, mounting mechanism 3 includes fixed plate 31, stand 32, positioning hole 33 and internal thread cap 34, wherein, the side of fixed plate 31 is fixedly connected with power shell 1, the top of fixed plate 31 is fixedly connected with stand 32, the side of the side of circuit board main body 4 close to stand 32 is provided with positioning hole 33, the side of the top of circuit board main body 4 below through hole 2 is fixedly connected with internal thread cap 34.

[0024] Through adopting the above technical scheme, the positioning hole 33 matched with stand 32 exists on the surface of circuit board main body 4, when installing, the end of circuit board main body 4 close to positioning hole 33 is lifted, then the other end is inserted into power shell 1, then the positioning hole 33 of circuit board main body 4 is inserted along stand 32, namely, circuit board main body 4 can be simply fixed.

[0025] Specifically, the inner side of the through hole 2 is provided with a long bolt 35, and the inner side of the power supply shell 1 is fixedly connected with a guide column 36 above the inner threaded cap 34.

[0026] By adopting the above technical scheme, the guide column 36 is a hollow column, the long bolt 35 is screwed into the through hole 2, and the long bolt 35 is screwed and connected along the guide column 36 and the inner threaded cap 34, further fixing the circuit board body 4.

[0027] Specifically, the inner side of the power supply shell 1 is fixedly connected with a limiting block 10 below the fast charging port one 7.

[0028] By adopting the above technical scheme, the outer metal frame of the fast charging port one 7, the fast charging port two 8 and the slow charging port 9 is inserted into the square groove 11, so that when the external connector is inserted into the charging port during charging, the limiting block 10 can offset part of the thrust, prolonging the service life of the circuit board body 4.

[0029] When the embodiment is used, the power supply shell 1 is part of a mobile power supply, and external connectors can be inserted into the fast charging port one 7, the fast charging port two 8 and the slow charging port 9 according to different specifications as needed for charging and discharging, which can meet the needs of users for more charging equipment and also facilitate sharing with fellow travelers. When assembling the power supply shell 1 and the circuit board body 4, the surface of the circuit board body 4 has a positioning hole 33 matched with the stand column 32, the end of the circuit board body 4 close to the positioning hole 33 is lifted, and then the other end is inserted into the power supply shell 1, and then the positioning hole 33 of the circuit board body 4 is inserted along the stand column 32, so that the circuit board body 4 can be simply fixed, the long bolt 35 is screwed into the through hole 2, the long bolt 35 is screwed and connected along the guide column 36 and the inner threaded cap 34, further fixing the circuit board body 4, the outer metal frame of the fast charging port one 7, the fast charging port two 8 and the slow charging port 9 is inserted into the square groove 11, so that when the external connector is inserted into the charging port during charging, the limiting block 10 can offset part of the thrust, prolonging the service life of the circuit board body 4. Through the fixation of the stand column 32 and the long bolt 35, the circuit board body 4 can be quickly installed, improving the assembly efficiency.

[0030] Embodiment 2

[0031] The difference between the embodiment and the embodiment 1 is that the dustproof mechanism 6 includes a rotating frame 61, a rotating rod 62, a connecting plate 63 and a rotating plate 64, wherein one side of the rotating frame 61 is rotatably connected with the rotating rod 62, the outer side of the rotating rod 62 is fixedly connected with the connecting plate 63, and the connecting plate 63 is provided with the rotating plate 64 away from the rotating rod 62.

[0032] By adopting the above technical scheme, the rotating plate 64 and the rotating rod 62 can rotate around the rotating frame 61, the area of the rotating plate 64 is slightly larger than the area of the square hole 5, and the rotating plate 64 can effectively prevent dust when covering the square hole 5.

[0033] Specifically, the magnet block 65 is arranged on the side of the rotating plate 64 away from the connecting plate 63, and the iron bars 66 are arranged on the two sides of the power supply shell 1 close to the square hole 5.

[0034] By adopting the above technical scheme, the magnet block 65 on the surface of the rotating plate 64 can be attracted to the iron bar 66, so as to fix the rotating plate 64, and the rotating plate 64 can be charged and discharged when it rotates upward.

[0035] In use, the rotating plate 64 and the rotating rod 62 can rotate around the rotating frame 61, the area of the rotating plate 64 is slightly larger than that of the square hole 5, the rotating plate 64 can effectively prevent dust when covering the square hole 5, the magnet block 65 on the surface of the rotating plate 64 can be attracted to the iron bar 66, so as to fix the rotating plate 64, and the rotating plate 64 can be charged and discharged when it rotates upward, and the square hole 5 can be effectively prevented from dust by the rotating plate 64.

[0036] The structure and use principle of the circuit board main body 4, the fast charging port one 7, the fast charging port two 8 and the slow charging port 9 in the utility model have been disclosed in a double-path fast charging circuit board for a mobile power supply with Chinese patent application No. CN202420092053.X.

[0037] The working principle and use process of the utility model are as follows: in use, the power supply shell 1 is part of a mobile power supply, external connectors can be inserted into the fast charging port one 7, the fast charging port two 8 and the slow charging port 9 according to different specifications as needed for charging and discharging, can meet more charging equipment of users, and is convenient for sharing for people traveling together, when assembling the power supply shell 1 and the circuit board main body 4, the positioning hole 33 on the surface of the circuit board main body 4 is matched with the stand column 32, the end of the circuit board main body 4 close to the positioning hole 33 is lifted, then the other end is inserted into the power supply shell 1, then the positioning hole 33 of the circuit board main body 4 is inserted along the stand column 32, the circuit board main body 4 can be simply fixed, the long bolt 35 is screwed into the through hole 2, the long bolt 35 is screwed and connected along the guide column 36 and the internal thread cap 34, and the circuit board main body 4 is further fixed, the outer metal frame of the fast charging port one 7, the fast charging port two 8 and the slow charging port 9 is inserted into the square groove 11, so that when charging, the limiting block 10 can offset part of the thrust when the external connector is inserted into the charging port, the service life of the circuit board main body 4 is prolonged, the circuit board main body 4 can be quickly installed through the fixation of the stand column 32 and the long bolt 35, and the assembly efficiency is improved; the rotating plate 64 and the rotating rod 62 can rotate around the rotating frame 61, the area of the rotating plate 64 is slightly larger than that of the square hole 5, the rotating plate 64 can effectively prevent dust when covering the square hole 5, the magnet block 65 on the surface of the rotating plate 64 can be attracted to the iron bar 66, so as to fix the rotating plate 64, and the rotating plate 64 can be charged and discharged when it rotates upward, and the square hole 5 can be effectively prevented from dust by the rotating plate 64.

[0038] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A mobile power supply circuit board with multiple expansion interfaces, comprising a power supply housing (1), characterized in that: The top of the power shell (1) is provided with a through hole (2), the inner side of the through hole (2) is provided with a mounting mechanism (3), the inner side of the power shell (1) is provided with a circuit board body (4), the side of the circuit board body (4) is provided with a fast charging port two (8), the two sides of the circuit board body (4) are provided with a fast charging port one (7) and a slow charging port (9) respectively, the side of the power shell (1) is provided with a plurality of square holes (5) near the fast charging port two (8), and the side of the power shell (1) is provided with a dustproof mechanism (6) near the square hole (5).

2. The mobile power supply circuit board with multiple expansion interfaces according to claim 1, characterized in that: The mounting mechanism (3) includes a fixed plate (31), a stand column (32), a positioning hole (33) and an internal thread cap (34), wherein one side of the fixed plate (31) is fixedly connected with the power shell (1), the top of the fixed plate (31) is fixedly connected with the stand column (32), the side of the circuit board body (4) near the stand column (32) is provided with the positioning hole (33), and one side of the circuit board body (4) below the through hole (2) is fixedly connected with the internal thread cap (34).

3. The mobile power supply circuit board with multiple expansion interfaces according to claim 2, characterized in that: The inner side of the through hole (2) is provided with a long bolt (35), and the inner side of the power shell (1) above the internal thread cap (34) is fixedly connected with a guide column (36).

4. The mobile power supply circuit board with multiple expansion interfaces of claim 1, wherein: The inner side of the power shell (1) below the fast charging port one (7) is fixedly connected with a limiting block (10), and the top of the limiting block (10) is provided with a square groove (11).

5. The mobile power supply circuit board with multiple expansion interfaces of claim 1, wherein: The dustproof mechanism (6) includes a rotating frame (61), a rotating rod (62), a connecting plate (63) and a rotating plate (64), wherein one side of the rotating frame (61) is rotatably connected with the rotating rod (62), the outer side of the rotating rod (62) is fixedly connected with the connecting plate (63), and the side of the connecting plate (63) away from the rotating rod (62) is provided with the rotating plate (64).

6. The mobile power supply circuit board with multiple expansion interfaces of claim 5, wherein: The side of the rotating plate (64) away from the connecting plate (63) is provided with a magnet block (65), and the two sides of the power shell (1) near the square hole (5) are provided with iron bars (66).

Citation Information

Patent Citations

  • Two-way fast charging circuit board for mobile power supply

    CN221552888U