Two-way charger

By using a snap-fit ​​and electrical connection design for the dual-channel charger, the problem of low efficiency and limited sockets in traditional chargers when charging multiple devices is solved, achieving efficient and convenient dual-channel charging, and improving user experience and device stability.

CN223872072UActive Publication Date: 2026-02-03YIDE ELECTRONIC TECH (SUZHOU) CO LTD
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Patent Information

Application Number
CN202423281213.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-02-03
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Traditional single-channel chargers are inefficient when faced with multiple charging needs, leading to tangled charging cables, limited socket resources, reduced user experience, and shorter device lifespan.

Method used

A dual-channel charger was designed, which adopts a snap-fit ​​structure for components such as the base, back shell, and front shell, combined with positioning posts and fixing seats to ensure that the charger components are stably assembled, and realizes dual-channel charging through the electrical connection between the circuit board and the charging compartment.

Benefits of technology

It improves charging efficiency, reduces socket usage, simplifies the charging process, enhances ease of use and device stability, and ensures efficient and reliable power transmission.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of chargers, and discloses a two-way charger, which comprises a base, a rear shell clamped at one end of the top of the base, two groups of clamping rings distributed up and down at equal intervals on two sides of the inner wall of the rear shell, a front shell clamped at one end of the top of the base far away from the rear shell, and a circuit board arranged at the top of the base, the two sides of the top of the base are provided with two positioning columns which are distributed in parallel at equal intervals, the output ends of the tops of the positioning columns penetrate through the top of the circuit board, the positions, close to the two sides of the positioning columns, of the top of the base are provided with two fixing bases which are distributed in parallel at equal intervals, and the tops of the fixing bases extend to the top of the circuit board. According to the utility model, all parts of the charger can be stably assembled together, the overall stability of the charger is improved, the assembly is more convenient, the production cost and the maintenance difficulty are reduced, sockets are reduced in two paths, the charging is more efficient, the applicability is greatly improved, and the charger is more practical.
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Description

Technical Field

[0001] This utility model relates to the field of charger technology, specifically a dual-channel charger. Background Technology

[0002] A dual-channel charger, as the name suggests, is a charging device capable of charging two batteries or devices simultaneously. In modern society, with the widespread use of electronic devices and people's pursuit of an efficient lifestyle, owning multiple devices that need charging has become the norm. Whether it's mobile phones, tablets, or various smart wearable devices, they all need to be charged regularly to maintain normal operation. However, traditional single-channel chargers are inadequate when facing multiple charging needs, resulting in low charging efficiency and potentially leading to problems such as tangled charging cables and limited outlet resources. Therefore, the emergence of dual-channel chargers is precisely to meet the growing demand for simultaneous charging of multiple devices, improve charging efficiency, simplify the charging process, and make people's lives more convenient.

[0003] Traditional chargers typically only charge a single device, which is particularly inconvenient when multiple devices need charging. Users are forced to charge their devices in turn or use multiple chargers simultaneously, consuming valuable outlet space and potentially leading to tangled cords and cluttered desks. These issues have long negatively impacted user experience and even the lifespan of devices. Therefore, the shortcomings of traditional technologies can no longer meet modern demands for efficient and convenient charging. The emergence of new charging technologies such as dual-channel chargers aims to solve these problems and improve the charging experience. This is why we propose the dual-channel charger. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a dual-channel charger, which solves the aforementioned problems.

[0005] To achieve the above-mentioned objectives, this utility model provides the following technical solution: a dual-channel charger, including a base, a rear shell snapped onto one end of the top of the base, two sets of equidistant retaining rings on both sides of the inner wall of the rear shell, a front shell snapped onto the top of the base away from the rear shell, the inner walls of the front shell engaging with the retaining rings, a circuit board on the top of the base, two parallel and equidistant positioning posts on both sides of the top of the base, the output ends of the positioning posts extending through the top of the circuit board, and two parallel and equidistant fixing seats on both sides of the top of the base near the positioning posts, the tops of the fixing seats extending to the top of the circuit board.

[0006] Preferably, a power interface is fixedly connected to one side of the top of the circuit board, and an indicator light is fixedly connected to the top of the power interface.

[0007] Preferably, the positioning column and the top output end of the fixed base are fixedly connected to a charging compartment. The charging compartment is located above the circuit board. The circuit board and the charging compartment are electrically connected. The outer walls of the top two ends of the charging compartment are in frictional contact with the inner walls of the rear shell and the front shell.

[0008] Preferably, a charging contact is provided at one end of the inner wall of the charging compartment, and a second charging contact is provided at the inner wall of the charging compartment near the charging contact, with the charging contact and the second charging contact being parallel.

[0009] Preferably, the rear shell and the top of the front shell are snapped together with a top cover. The top cover has battery ports on both sides. A limiting groove is formed on the inner wall of one end of the battery port. The bottom of the top cover is in frictional contact with the top of the charging compartment. Battery blocks are inserted into both sides of the inner wall of the charging compartment. A battery contact is provided at one bottom end of the battery block. The battery contact is in frictional contact with the output end of the charging contact and the second charging contact. A limiting piece is provided on the outer wall of the end of the battery block away from the battery contact. The limiting piece is in frictional contact with the outer wall of one end of the limiting groove.

[0010] Preferably, a charging indicator light board is fixedly connected to one end of the inner wall of the rear shell.

[0011] Preferably, a power port is provided on the outer wall of one end of the front shell, and the power port is parallel to the power interface output end.

[0012] Compared with the prior art, the present invention provides a dual-channel charger, which has the following advantages:

[0013] 1. This dual-channel charger employs a snap-fit ​​design for its base, rear shell, and front shell, along with positioning posts and fixing seats that provide robust support for the charging compartment, ensuring that all components of the charger can be securely assembled together. This structural design not only improves the overall stability of the charger but also makes the assembly process more convenient, reducing production costs and maintenance difficulty. At the same time, the robust structure provides a solid foundation for the normal operation of the charger, guaranteeing the reliability and safety of the charging process.

[0014] 2. This dual-channel charger, unlike traditional chargers that can only charge a single device, can simultaneously charge two devices, significantly improving charging efficiency. In today's fast-paced life, people often need to handle multiple electronic devices, such as mobile phones and tablets, at the same time. Using a dual-channel charger avoids the hassle of charging one device at a time, saving valuable time. At the same time, the dual-channel design reduces the space occupied by power outlets, making the desktop tidier and improving the convenience and comfort of life. This efficient and convenient charging method is unmatched by traditional chargers.

[0015] 3. This dual-channel charger features an internal circuit board that electrically connects to the charging compartment. A positioning post and a fixing base ensure a tight connection, guaranteeing efficient power transmission. The inner wall of the charging compartment has charging contacts and a second charging contact, which make frictional contact with the battery contacts on the battery pack. This design makes power transmission more stable and reliable. Furthermore, the parallel arrangement of the charging contacts and the second charging contact facilitates the insertion and removal of the battery pack, improving charging efficiency and ease of use. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the charging compartment of this utility model;

[0019] Figure 4 This is a schematic diagram of the circuit board of this utility model.

[0020] In the diagram: 1. Base; 2. Back cover; 3. Snap ring; 4. Front cover; 5. Circuit board; 6. Positioning post; 7. Fixing base; 8. Power interface; 9. Indicator light; 10. Charging compartment; 11. Charging contact; 12. Second charging contact; 13. Top cover; 14. Battery socket; 15. Limiting groove; 16. Battery block; 17. Battery contact; 18. Limiting piece; 19. Charging indicator light panel; 20. Power port. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4 The dual-channel charger includes a base 1, with a rear shell 2 snapped onto one end of the top of the base 1. Two sets of equidistant retaining rings 3 are located on both sides of the inner wall of the rear shell 2. A front shell 4 is snapped onto the top of the base 1 away from the rear shell 2, with the inner walls of the front shell 4 engaging with the retaining rings 3. A circuit board 5 is located on the top of the base 1. Two parallel and equidistant positioning posts 6 are located on both sides of the top of the base 1, with the output ends of the positioning posts 6 extending through the top of the circuit board 5. Two parallel and equidistant fixing seats 7 are located on both sides of the top of the base 1 near the positioning posts 6, with the tops of the fixing seats 7 extending to the top of the circuit board 5. This ensures that all components of the charger can be stably assembled together, providing a solid structural foundation for the normal operation of the charger.

[0023] Furthermore, a power interface 8 is fixedly connected to one side of the top of the circuit board 5, and an indicator light 9 is fixedly connected to the top of the power interface 8. The power interface 8 is used to connect to an external power source, and the indicator light 9 can display the power status of the charger in real time, so that users can understand the working status of the charger.

[0024] Furthermore, a charging chamber 10 is fixedly connected to the top output end of the positioning post 6 and the fixing seat 7. The charging chamber 10 is located above the circuit board 5, and the circuit board 5 and the charging chamber 10 are electrically connected. The outer walls of the top two ends of the charging chamber 10 are in frictional contact with the inner walls of the rear shell 2 and the front shell 4. The charging chamber 10 is tightly connected to the circuit board 5 through the positioning post 6 and the fixing seat 7, realizing the transfer of electrical energy. At the same time, the frictional contact between the charging chamber 10 and the rear shell 2 and the front shell 4 ensures the stability of the charging chamber.

[0025] Furthermore, a charging contact 11 is provided at one end of the inner wall of the charging compartment 10, and a second charging contact 12 is provided at the inner wall of the charging compartment 10 near the charging contact 11. The charging contact 11 and the second charging contact 12 are parallel to each other. The charging contact 11 and the second charging contact 12 are used to contact the battery contact 17 of the battery block 16 to realize the transmission of electrical energy and charge the battery block 16.

[0026] Furthermore, a top cover 13 is snapped onto the top of the rear shell 2 and the front shell 4. Battery ports 14 are provided on both sides of the top of the top cover 13. A limiting groove 15 is provided on the inner wall of one end of the battery port 14. The bottom of the top cover 13 is in frictional contact with the top of the charging compartment 10. Battery blocks 16 are inserted into both sides of the inner wall of the charging compartment 10. A battery contact 17 is provided at one bottom end of the battery block 16. The battery contact 17 is in frictional contact with the output end of the charging contact 11 and the second charging contact 12. The battery block 16 is located away from the battery contact. A limiting piece 18 is provided on one end of the outer wall of point 17. The limiting piece 18 and the outer wall of one end of the limiting groove 15 are in frictional contact. The design of the top cover 13 protects the charging compartment 10 and the battery block 16. The battery socket 14 and the limiting groove 15 facilitate the insertion and fixation of the battery block 16. The frictional contact between the battery contact 17 and the charging contact 11 and the second charging contact 12 realizes the transmission of electrical energy. The frictional contact between the limiting piece 18 and the limiting groove 15 ensures the stability of the battery block 16 during the charging process.

[0027] Furthermore, a charging indicator light board 19 is fixedly connected to one end of the inner wall of the rear shell 2. The charging indicator light board 19 can display the charging status of the battery block 16 in real time, making it convenient for users to understand the charging progress.

[0028] Furthermore, a power port 20 is provided on the outer wall of one end of the front shell 4. The power port 20 is parallel to the output end of the power interface 8. The design of the power port 20 makes it convenient for users to connect to an external power source, and its parallelness with the output end of the power interface 8 ensures a smooth connection of the power cord.

[0029] Structural Description: 1. Base 1: Serves as the supporting structure for the charger, located at the bottom of the charger, and engages with other components.

[0030] 2. Back cover 2: Protects the internal structure of the charger, located at one end of the top of the base 1, and snaps into the base 1. The inner wall is provided with a retaining ring 3.

[0031] 3. Snap ring 3: Used to snap into the front shell 4 to fix the position of the rear shell 2 and the front shell 4, located on both sides of the inner wall of the rear shell 2;

[0032] 4. Front shell 4: Protects the internal structure of the charger. It is opposite to the rear shell 2 and is located at the top of the base 1 away from the rear shell 2. Its inner wall is engaged with the retaining ring 3.

[0033] 5. Circuit board 5: As the core component of the charger, it is responsible for power conversion and control. It is located on the top of the base 1 and is fixed by the positioning post 6 and the fixing seat 7.

[0034] 6. Positioning post 6: Used to fix the position of the charging compartment 10 and ensure its electrical connection with the circuit board 5, located on both sides of the top of the base 1;

[0035] 7. Fixing base 7: Fixes the charging compartment 10 together with the positioning post 6, located on the top of the base 1 near both sides of the positioning post 6;

[0036] 8. Power interface 8: Used to connect to an external power source to provide power to the charger, located on the top side of circuit board 5;

[0037] 9. Indicator light 9: Displays the power status of the charger, located at the top of the power interface 8;

[0038] 10. Charging compartment 10: Used to place and charge battery block 16, electrically connected to circuit board 5, located above circuit board 5, and fixed by positioning post 6 and fixing seat 7;

[0039] 11. Charging contact 11: It contacts the battery contact 17 of the battery block 16 to transmit electrical energy and is located at one end of the inner wall of the charging compartment 10.

[0040] 12. Second charging contact 12: Parallel to charging contact 11, it charges the battery block 16 together and is located on the inner wall of the charging compartment 10 near the charging contact 11.

[0041] 13. Top cover 13: Protects the charging compartment 10 and battery block 16, preventing dust and moisture from entering. It is located on the top of the rear shell 2 and the front shell 4, and is in frictional contact with the top of the charging compartment 10.

[0042] 14. Battery socket 14: Convenient for inserting battery block 16, located on both sides of the top of top cover 13;

[0043] 15. Limiting groove 15: It makes frictional contact with the limiting piece 18 of the battery block 16 to fix the position of the battery block 16, and is located on the inner wall of one end of the battery socket 14.

[0044] 16. Battery block 16: Stores electrical energy and is charged by contacting the charging contact 11 and the second charging contact 12 through the battery contact 17. It is located on both sides of the inner wall of the charging compartment 10.

[0045] 17. Battery contact 17: It makes frictional contact with charging contact 11 and second charging contact 12 to transmit electrical energy, and is located at one end of the bottom of battery block 16.

[0046] 18. Limiting piece 18: It makes frictional contact with the limiting groove 15 to fix the position of the battery block 16 in the charging compartment 10, and is located on the outer wall of the end of the battery block 16 away from the battery contact 17.

[0047] 19. Charging indicator panel 19: Displays the charging status of battery block 16, located at one end of the inner wall of the rear shell 2;

[0048] 20. Power port 20: Convenient for users to connect to an external power source. It is parallel to the output end of the power interface 8 and is located on the outer wall of one end of the front shell 4.

[0049] Working Principle: First, the base 1 serves as the supporting structure for the entire charger. Its snap-fit ​​connection with the rear shell 2 and front shell 4 forms the charger's outer casing, providing a stable installation environment for internal components such as the circuit board 5 and charging compartment 10. The retaining rings 3 on both sides of the inner wall of the rear shell 2 snap-fit ​​with the inner wall of the front shell 4, ensuring a tight connection between the two shells and providing a basis for the snap-fit ​​connection of the top cover 13. Next, the circuit board 5, as the core component of the charger, is stably mounted on top of the base 1 through the fixed connection of the positioning post 6 and the fixing seat 7. The power interface 8 on the circuit board 5, in conjunction with the indicator light 9, enables the charger to indicate power input and charging status. When power is connected to the power interface 8, the indicator light 9 illuminates, indicating that the charger is working normally. The charging compartment 10 is fixedly connected to the circuit board 5 above it via the top output end of the positioning post 6 and the fixing seat 7, forming an electrical connection with the circuit board 5. The charging contacts 11 and 12 at one end of the inner wall of the charging compartment 10 are used to form frictional contact with the battery contacts 17 at the bottom of the battery block 16, thereby realizing the charging function of the battery block 16. When the battery block 16 is inserted into the charging compartment 10, the battery contacts 17 are in close contact with the charging contacts 11 and 12, and the circuit board 5 transfers electrical energy to the battery block 16 for charging. In addition, the snap-fit ​​engagement of the top cover 13 with the rear shell 2 and the front shell 4, as well as the frictional contact between the bottom of the top cover 13 and the top of the charging compartment 10, ensure the airtightness of the charging compartment 10 and prevent dust and moisture from entering. The battery socket 14 and limiting groove 15 on the top of the top cover 13, in conjunction with the battery block 16 and limiting piece 18, ensure accurate insertion and fixation of the battery block 16, preventing it from loosening or falling off during charging. Finally, the charging indicator panel 19 on one end of the inner wall of the rear shell 2 displays the charging status, and the power port 20 on one end of the front shell 4 is parallel to the output end of the power interface 8, facilitating power connection for the user. Through the close coordination of its components, the entire dual-channel charger achieves stable and efficient charging of the battery block 16.

[0050] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dual-channel charger, including a base (1), characterized in that: The base (1) has a back shell (2) attached to one end of its top. The inner wall of the back shell (2) has two sets of retaining rings (3) that are equidistantly distributed on both sides. The top of the base (1) is attached to a front shell (4) that is away from the back shell (2). The inner wall of the front shell (4) is engaged with the retaining rings (3). The base (1) has a circuit board (5) on its top. The top of the base (1) has two positioning posts (6) that are equidistantly distributed on both sides. The top output end of the positioning post (6) extends through the top of the circuit board (5). The top of the base (1) has two fixing seats (7) that are equidistantly distributed on both sides near the positioning post (6). The top of the fixing seat (7) extends to the top of the circuit board (5).

2. The dual-channel charger according to claim 1, characterized in that: A power interface (8) is fixedly connected to one side of the top of the circuit board (5), and an indicator light (9) is fixedly connected to the top of the power interface (8).

3. The dual-channel charger according to claim 1, characterized in that: The positioning column (6) and the top output end of the fixed base (7) are fixedly connected to the charging chamber (10). The charging chamber (10) is located above the circuit board (5). The circuit board (5) and the charging chamber (10) are electrically connected. The outer walls of the top two ends of the charging chamber (10) are in frictional contact with the inner walls of the rear shell (2) and the front shell (4).

4. The dual-channel charger according to claim 3, characterized in that: The charging compartment (10) has a charging contact (11) at one end of its inner wall, and a second charging contact (12) is provided on the inner wall of the charging compartment (10) near the charging contact (11). The charging contact (11) and the second charging contact (12) are parallel.

5. The dual-channel charger according to claim 4, characterized in that: The rear shell (2) and the front shell (4) are connected to a top cover (13). The top cover (13) has battery ports (14) on both sides. A limiting groove (15) is provided on the inner wall of one end of the battery port (14). The bottom of the top cover (13) is in frictional contact with the top of the charging compartment (10). Battery blocks (16) are inserted into both sides of the inner wall of the charging compartment (10). A battery contact (17) is provided at one end of the bottom of the battery block (16). The battery contact (17) is in frictional contact with the output end of the charging contact (11) and the second charging contact (12). A limiting piece (18) is provided on the outer wall of the end of the battery block (16) away from the battery contact (17). The limiting piece (18) is in frictional contact with the outer wall of one end of the limiting groove (15).

6. The dual-channel charger according to claim 1, characterized in that: A charging indicator board (19) is fixedly connected to one end of the inner wall of the rear shell (2).

7. The dual-channel charger according to claim 2, characterized in that: A power port (20) is provided on the outer wall of one end of the front shell (4), and the power port (20) is parallel to the output end of the power interface (8).