A charging adapter
By designing a charging adapter with a Type-C interface and a guide positioning component, the problem of Shimano electronic shifting kits being unable to use common charging cables was solved, achieving portable and reliable power supply and reducing user costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 蒋亚洲
- Filing Date
- 2025-07-02
- Publication Date
- 2026-06-16
Smart Images

Figure CN224367281U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of charging adapter technology, specifically to a charging adapter. Background Technology
[0002] Older Shimano electronic shifting kits required charging adapters with specific pin shapes (such as round or flat connectors) and necessitated the use of original Shimano charging cables. This non-universal design prevented users from charging with common USB-C or Micro-USB cables, making emergency charging outdoors difficult.
[0003] The original charging cable is long and bulky, making it inconvenient to carry. When riding long distances, carrying a long charging cable takes up storage space and affects the riding experience. On the other hand, if you don't carry a charging cable, the battery may run out during the ride, causing the gear shifting function to be lost and making it impossible to switch gears according to the actual road conditions.
[0004] Therefore, it is necessary to invent a charging adapter to solve the above problems. Utility Model Content
[0005] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a charging adapter that solves the problems of the original charging cable being too long, bulky, and inconvenient to carry, and the possibility of running out of power while riding without a charging cable, resulting in loss of gear shifting function and inability to switch gears according to actual road conditions.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A charging adapter includes a housing, an inner housing inserted into the inner side of the housing, an adapter portion inserted into the inner side of the housing, an output end and an input end of the adapter portion extending to the outer side of the inner housing, a plurality of positioning blocks adapted to a charging head being provided on the end face of the inner housing, and a plurality of guide positioning components for inserting the inner housing being provided on the inner side of the housing.
[0008] As a preferred embodiment of this utility model, the adapter includes a circuit board, an adapter, and a power transmission part. The adapter and the circuit board are electrically connected. A lateral insertion hole adapted to the position of the adapter is provided on one side of the outer shell. The top of the circuit board is electrically connected to the power transmission part. The power transmission part includes a mounting block, and the mounting block and the inner shell are inserted together.
[0009] As a preferred embodiment of this utility model, the circuit board is provided with docking springs at both ends, the inner shell is provided with spring slots for inserting the docking springs at both ends, the docking springs are provided with slots for fixing at the ends, and the docking spring end face is provided with a guide slope that matches the side wall of the charging head.
[0010] As a preferred embodiment of the present invention, the guiding and positioning component includes a slot opened on the side of the inner shell, a guide groove opened at the other end of the inner shell, and a stop block one and a stop block two provided on the inner side of the outer shell, with the ends of the stop block one and the stop block two respectively abutting against the end face of the guide groove.
[0011] As a preferred embodiment of this utility model, the inner shell is provided with a third stop block, which cooperates with the second stop block to form a limiting groove for inserting a circuit board, and the bottom wall of the outer shell is provided with a bottom slot for inserting a circuit board.
[0012] As a preferred embodiment of this utility model, the inner wall of the outer shell is provided with a guide block, which is adapted to the end face groove of the inner shell.
[0013] As a preferred embodiment of the present invention, the power transmission part further includes a contact one and a contact two installed at the end of the mounting block. The bottom ends of the contact one and the contact two are electrically connected to the circuit board. The bottom wall of the inner shell is provided with a limiting block for inserting the mounting block.
[0014] As a preferred embodiment of this utility model, the interior of the outer shell is further provided with a stop block four for limiting the position of the adapter.
[0015] As a preferred embodiment of this utility model, the adapter is a Type-C interface.
[0016] As a preferred embodiment of this utility model, the end face of the mounting block is provided with multiple contacts, and contact one and contact two for transmitting electrical power are located in the middle of the mounting block.
[0017] The technical effects and advantages provided by this utility model in the above technical solution are as follows:
[0018] In this invention, the connection spring and multiple positioning blocks enable accurate insertion with the charging head. During insertion, the charging head presses against the connection spring, causing it to tilt outwards and then spring back. The slot of the connection spring engages with the charging head, further ensuring the adapter's anti-loosening effect. By using a commonly used adapter, the electronic transmission kit can be powered by a common charger, solving compatibility issues during power supply and reducing replacement costs for users. Attached Figure Description
[0019] Figure 1 This is a cross-sectional view of the overall structure of this utility model;
[0020] Figure 2 This is an exploded view of the adapter of this utility model;
[0021] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A in the middle;
[0022] Figure 4 This is a schematic diagram of the internal structure of the outer shell of this utility model;
[0023] Figure 5 This is a schematic diagram of the bottom structure of the inner shell of this utility model;
[0024] Figure 6 This is a physical image of the adapter of this utility model;
[0025] Figure 7 This is a schematic diagram of the overall structure of the adapter of this utility model;
[0026] Figure 8 This is a cross-sectional view of the adapter and charging head connection of this utility model.
[0027] Explanation of reference numerals in the attached drawings: 1. Outer shell; 101. Stop 1; 102. Stop 2; 103. Bottom slot; 104. Guide block; 105. Side insertion hole; 106. Limiting stop 4; 2. Circuit board; 3. Adapter; 4. Connecting spring; 401. Guide slope; 5. Inner shell; 501. Guide groove; 502. Positioning block; 503. Spring slot; 504. Limiting block; 505. Stop 3; 6. Power transmission section; 601. Contact 1; 602. Contact 2; 603. Mounting block. Detailed Implementation
[0028] The present invention will be further described below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and should not be used to limit the scope of protection of the present invention.
[0029] This utility model provides, for example Figure 1-6The illustrated charging adapter includes a housing 1, an inner housing 5 inserted into the inner side of the housing 1, and an adapter portion inserted into the inner side of the housing 1. The output and input ends of the adapter portion extend to the outer side of the inner housing 5. Multiple positioning blocks 502 adapted to a charging head are provided on the end face of the inner housing 5. Multiple guide positioning components for inserting the inner housing 5 are provided on the inner side of the housing 1. The guide positioning components facilitate the installation of the inner housing 5 and the housing 1, preventing damage to the internal circuit board 2 during installation and avoiding failure of the adapter 3. The positioning blocks 502 are aligned with the positioning slots at both ends of the charging head.
[0030] The adapter includes a circuit board 2, an adapter 3, and a power transmission section 6. The adapter 3 is electrically connected to the circuit board 2. A lateral insertion hole 105 adapted to the position of the adapter 3 is provided on one side of the outer casing 1. The top of the circuit board 2 is electrically connected to the power transmission section 6. The power transmission section 6 includes a mounting block 603, which is inserted into the inner casing 5. After the mounting block 603 is inserted into the inner casing 5, the contacts on the power transmission section 6 extend to the outside, which can fit with the contacts of the charging head to ensure power supply effect.
[0031] The circuit board 2 has mating springs 4 at both ends, and the inner housing 5 has spring slots 503 at both ends for inserting the mating springs 4. The end of the mating spring 4 has a locking groove for fixing, and the end face of the mating spring 4 has a guide slope 401 that matches the side wall of the charging head. The top of the spring slot 503 has a cavity for offsetting the mating spring 4, which facilitates the clamping of the charging head by the locking groove.
[0032] The guiding and positioning assembly includes a slot on the side of the inner housing 5 and a guide groove 501 at the other end of the inner housing 5. A first stop 101 and a second stop 102 are provided on the inner side of the outer housing 1, with both ends of the first stop 101 and the second stop 102 respectively abutting against the end face of the guide groove 501. The slot is used for inserting the adapter 3. The slot limits the movement of the circuit board 2 during the insertion of the inner housing 5, reducing the difficulty of guiding.
[0033] The inner housing 5 has a stop block 3 505 inside, which cooperates with stop block 2 102 to form a limiting groove for inserting the circuit board 2. The bottom wall of the outer housing 1 has a bottom slot 103 for inserting the circuit board 2. The cooperation between stop block 3 505 and stop block 2 102 can guide the side of the circuit board 2, and the bottom slot 103 limits the bottom end of the circuit board 2.
[0034] The inner wall of the outer shell 1 is provided with a guide block 104, which is adapted to the end face slot of the inner shell 5. By setting the guide block 104 and the first stop block 101 and the second stop block 102, multiple end faces of the inner shell 5 are limited to ensure the clamping effect after insertion.
[0035] The power transmission unit 6 also includes a first contact 601 and a second contact 602 installed at the end of the mounting block 603. The bottom ends of the first contact 601 and the second contact 602 are electrically connected to the circuit board 2. The bottom wall of the inner housing 5 is provided with a limiting block 504 for inserting the mounting block 603. The limiting block 504 can limit the top of the circuit board 2, preventing the circuit board 2 from shaking during movement and extending the service life of the adapter.
[0036] The housing 1 is also equipped with a stop block 4 106 for limiting the adapter 3. By setting the stop block 4 106, the circuit board 2 and the adapter 3 are limited, and the four end faces of the circuit board 2 are automatically limited to prevent the circuit board 2 inside the adapter from shaking back and forth after installation.
[0037] The adapter 3 has a Type-C interface. The Type-C interface solves the problem of difficulty in emergency charging outdoors.
[0038] The mounting block 603 has multiple contacts on its end face, with contacts 601 and 602, used for transmitting electrical power, located in the middle of the mounting block 603. The arrangement of the circuit board 2 and the position of the contacts must comply with the charging protocol of the electronic transmission kit to avoid incompatibility issues.
[0039] The bottom of the outer casing 1 is provided with a hanging hole to reduce the difficulty of carrying the adapter and effectively prevent the adapter from being lost.
[0040] This utility model, through the setting of the docking spring 4 and multiple positioning blocks 502, can accurately connect with the charging head. During the connection process, the charging head presses the docking spring 4, the docking spring 4 tilts outward and then springs back, and the slot of the docking spring 4 engages with the charging head, further ensuring the anti-loosening effect of the adapter. By using the commonly used adapter 3, when charging the electronic transmission kit, it is possible to use a common charger to power the electronic transmission kit, solving the compatibility problem during power supply and reducing the replacement cost for users.
[0041] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.
Claims
1. A charging adapter, characterized in that: Includes an outer shell (1), an inner shell (5) is inserted into the inner side of the outer shell (1), an adapter is inserted into the inner side of the outer shell (1), the output end and input end of the adapter extend to the outer side of the inner shell (5), a plurality of positioning blocks (502) adapted to the charging head are opened on the end face of the inner shell (5), and a plurality of guide positioning components for inserting the inner shell (5) are provided on the inner side of the outer shell (1).
2. A charging adapter according to claim 1, characterized in that: The adapter includes a circuit board (2), an adapter (3), and a power transmission part (6). The adapter (3) is electrically connected to the circuit board (2). A side insertion hole (105) adapted to the position of the adapter (3) is provided on one side of the outer shell (1). The power transmission part (6) is electrically connected to the top of the circuit board (2). The power transmission part (6) includes a mounting block (603). The mounting block (603) and the inner shell (5) are inserted into each other.
3. A charging adapter according to claim 2, characterized in that: The circuit board (2) is provided with docking springs (4) at both ends. The inner shell (5) is provided with spring slots (503) for the docking springs (4) to be inserted at both ends. The docking springs (4) are provided with a card slot for fixing at the end. The end face of the docking springs (4) is provided with a guide slope (401) that is adapted to the side wall of the charging head.
4. A charging adapter according to claim 1, characterized in that: The guiding and positioning component includes a slot on the side of the inner shell (5), and a guide groove (501) at the other end of the inner shell (5). A first stop (101) and a second stop (102) are provided on the inner side of the outer shell (1). The two ends of the first stop (101) and the second stop (102) are respectively attached to the end face of the guide groove (501).
5. A charging adapter according to claim 4, characterized in that: The inner shell (5) is provided with a stop block three (505), which cooperates with the stop block two (102) to form a limiting groove for inserting the circuit board (2). The bottom wall of the outer shell (1) is provided with a bottom slot (103) for inserting the circuit board (2).
6. A charging adapter according to claim 4, characterized in that: The inner wall of the outer shell (1) is provided with a guide block (104), which is adapted to the end face slot of the inner shell (5).
7. A charging adapter according to claim 2, characterized in that: The power transmission unit (6) also includes a first contact (601) and a second contact (602) installed at the end of the mounting block (603). The bottom ends of the first contact (601) and the second contact (602) are electrically connected to the circuit board (2). The bottom wall of the inner housing (5) is provided with a limiting block (504) for inserting the mounting block (603).
8. A charging adapter according to claim 4, characterized in that: The outer shell (1) is also provided with a stop block four (106) for limiting the adapter (3).
9. A charging adapter according to claim 2, characterized in that: The adapter (3) is a Type-C interface.
10. A charging adapter according to claim 7, characterized in that: The mounting block (603) has multiple contacts on its end face, with contact one (601) and contact two (602) for transmitting electrical power located in the middle of the mounting block (603).