Winding charger
By designing a device slot and limiting structure on the housing of the cable charger, the problem of scattered charging heads was solved, achieving stable fixing of the charging heads and improving the product's aesthetics.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-03-10
AI Technical Summary
Existing retractable chargers cannot effectively secure the charging head, causing it to sag and wobble, affecting the product's aesthetics.
A retractable charger has been designed, comprising a housing, a fast charging module, wires, a retractable assembly, and a charging head. The housing has a slot for accommodating the charging head, and the charging head is fixed by a limiting structure. The design of the limiting block and the slide rail slot ensures the stability and aesthetics of the charging head.
This achieves stable mounting of the charging head, improving the product's aesthetics and user experience.
Smart Images

Figure CN223986970U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of charger technology, specifically a reel charger. Background Technology
[0002] The working principle of a retractable charger is similar to that of a traditional charger, both converting electrical energy into the energy required by the device for charging. The difference lies in the retractable charger's built-in winding mechanism, which enables automatic or manual retraction of the charging cable. When the user pulls out the charging cable, the internal mechanical structure of the winding mechanism rotates, releasing the cable; when the user rewinds the cable back into the device, the mechanical structure rotates in the opposite direction, neatly retracting the cable.
[0003] Retractable cord chargers offer convenient storage and portability of charging cables, avoiding the tangling and messiness issues associated with traditional chargers. However, existing retractable cord chargers fail to secure the charging head, resulting in it becoming loose and wobbly, which is detrimental to its stability and reduces the product's aesthetic appeal. Therefore, we propose a retractable cord charger. Utility Model Content
[0004] The purpose of this invention is to provide a reel charger to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a reel charger, comprising a housing, a fast charging module, a wire, a reel assembly for winding the wire, and a first charging head for charging different device ports. The fast charging module and the reel assembly are both integrated within the housing. The first charging head is electrically connected to the fast charging module via the wire. The housing is provided with a device slot for accommodating the first charging head, and the first charging head is interference-fitted with the device slot.
[0006] Preferably, limit strips are fixed on both sides of the end of the groove of the device.
[0007] Preferably, it also includes a second charging head and a connector for connecting the first charging head and the second charging head. The connector includes a limiting block and two parallel slide rails. The limiting block has a T-shaped structure, and a slot is formed between the two slide rails. The slot cooperates with the limiting block.
[0008] Preferably, protective sleeves are fixed at the connection points of the first charging head and the second charging head.
[0009] Preferably, the housing is provided with a Type-C port, which is electrically connected to the fast charging module.
[0010] Preferably, the fast charging module includes a voltage regulator, which is implemented by an integrated circuit and is used to automatically adjust the power output to maintain the stability of the output voltage.
[0011] Preferably, the fast charging module further includes a charging control circuit for detecting the charging status of the mobile phone battery and adjusting the output voltage and current according to the battery status.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] The housing of this utility model is provided with a device slot for accommodating the first charging head, which can hide the first charging head in the device slot and also protect the first charging head. By inserting the limiting block into the slot, the second charging head can be fixed on the first charging head, making the product more aesthetically pleasing. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0015] Figure 2 This is a schematic diagram of the connector structure of this utility model;
[0016] Figure 3 This is a schematic diagram of the fast charging module structure of this utility model;
[0017] Figure 4 This is a schematic diagram of the structure of the second charging head of this utility model;
[0018] Figure 5 for Figure 2 Enlarged view of region A in the middle.
[0019] In the diagram: 1. Housing; 2. Fast charging module; 3. Wire; 4. Cable winding assembly; 5. First charging head; 6. Second charging head; 7. Device slot; 8. Limiting strip; 9. Connector; 10. Limiting block; 11. Slide rail; 12. Card slot; 13. Protective cover; 14. Type-C port. Detailed Implementation
[0020] 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.
[0021] Please see Figures 1-5This utility model provides a technical solution: a retractable charger, including a housing 1, a fast charging module 2, a wire 3, a retractable assembly 4 for winding the wire 3, and a first charging head 5 and a second charging head 6 for charging different device ports. The fast charging module 2 and the retractable assembly 4 are both integrated into the housing 1. The fast charging module 2 and the retractable assembly 4 are existing products. The charger includes a power plug for connecting to a power socket to provide AC power to the charger; a circuit board, the core part of the charger, responsible for controlling and managing the entire charging process; a transformer that plays the role of voltage transformation and isolation, using the principle of electromagnetic induction to reduce the input AC voltage to a level suitable for mobile phone charging; the transformer also isolates the input circuit and the output circuit, improving safety; a rectifier composed of four diodes, using a diode bridge rectifier design, used to convert the AC power output from the transformer into pulsed DC power, ensuring the stability of the charger's output current; and a filter composed of capacitors, used to smooth the rectified pulsed DC power, removing fluctuations and noise in the current, making the output more stable.
[0022] The winding assembly 4 uses an existing winding method, allowing the winding to be inserted and pulled out, making it easy to carry.
[0023] In a preferred embodiment, the housing 1 is provided with a Type-C port 14, which is electrically connected to the fast charging module 2. When the first charging head 5 and the second charging head 6 are damaged, an external charging cable can be connected to the Type-C port 14 to charge the mobile device.
[0024] In a preferred embodiment, the housing 1 is provided with a device slot 7 for accommodating the first charging head 5. The first charging head 5 is interference-fitted with the device slot 7, which can hide the first charging head 5 inside the device slot 7 and also protect the first charging head 5.
[0025] In a preferred embodiment, limiting strips 8 are fixed on both sides of the end of the device slot 7, which can prevent the first charging head 5 from easily separating from the device slot 7.
[0026] In a preferred embodiment, a connector 9 is also included to connect the first charging head 5 and the second charging head 6. The connector 9 includes a limiting block 10 and two parallel slide rails 11. The limiting block 10 has a T-shaped structure, and a slot 12 is formed between the two slide rails 11. The slot 12 cooperates with the limiting block 10. By inserting the limiting block 10 into the slot 12, the second charging head 6 can be fixed on the first charging head 5, making the product appearance more aesthetically pleasing.
[0027] In a preferred embodiment, a protective sleeve 13 is fixed at the connection between the first charging head 5 and the second charging head 6, respectively. The protective sleeve 13 can protect the connection between the wire 3 and the first charging head 5 and the second charging head 6.
[0028] In a preferred embodiment, the fast charging module 2 includes a voltage regulator, which is implemented by an integrated circuit and is used to automatically adjust the power output to maintain the stability of the output voltage.
[0029] In a preferred embodiment, the fast charging module 2 further includes a charging control circuit for detecting the charging status of the mobile phone battery and adjusting the output voltage and current according to the battery status.
[0030] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0031] 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 cord reel charger characterized by : Including shell (1), fast charging module (2), wire (3), winding assembly (4) for winding wire (3) and first charging head (5) for charging different equipment ports, the fast charging module (2) and winding assembly (4) are integrated in the shell (1), the first charging head (5) is electrically connected with the fast charging module (2) through the wire (3), the shell (1) is provided with device slot (7) for accommodating the first charging head (5), the first charging head (5) is interference fit with the device slot (7); The two sides of the end of the device slot (7) are respectively fixed with limiting strips (8); It also includes a second charging head (6) and a connecting piece (9) connecting the first charging head (5) and the second charging head (6), the connecting piece (9) includes a limiting block (10) and two parallel slide rails (11), the limiting block (10) is T-shaped structure, the two slide rails (11) form a clamping groove (12), the clamping groove (12) is matched with the limiting block (10); The connecting part of the first charging head (5) and the second charging head (6) is respectively fixed with a protective sleeve (13).
2. A cord reel charger according to claim 1, wherein : The shell (1) is provided with a Type-C socket (14), and the Type-C socket (14) is electrically connected with the fast charging module (2).
3. A cord reel charger according to claim 1, wherein : The fast charging module (2) includes a voltage stabilizer, which is realized by an integrated circuit, for automatically adjusting the power output and maintaining the stability of the output voltage.
4. The cord reel charger of claim 1, wherein : The fast charging module (2) further includes a charging control circuit for detecting the charging state of the mobile phone battery and adjusting the output voltage and current according to the battery state.