Charger assembly with charger plug
By designing the connection method of the limit half ring and the clamp half ring in the charger assembly, combined with the design of the shell and the connecting shell, the problem of traditional charger assembly being easily damaged when the connecting line is bent or sagged, achieving higher stability and safety, and facilitating maintenance and upgrade.
Patent Information
- Application Number
- CN202421981731.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-08-15
AI Technical Summary
When the connection wire is bent or sagged, traditional charger plugs and charger components may easily lead to excessive stretching or distortion of the wire at the interface, which may cause damage to the connection wire and poor contact, affecting the charging effect.
Design a charger assembly with a charger plug, connecting the clamping half ring with the limit half ring through fastening bolts, and the joint between the limit connection wire and the connector head is prevented from breakage caused by excessive stretching or natural sagging, and through the design of the placement slot and connecting shell inside the shell, as well as the clamping of the elastic card block with the clamping slot, ensuring the fixation and stability of the charger plug and connecting wire.
It effectively prevents damage and poor contact of the connecting wire, improves the stability and safety of charging. At the same time, due to the modular design, it is convenient for repair and upgrade, and has high practical performance.
Smart Images

Figure CN222775679U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of chargers, in particular to a charger component with a charger plug. Background Art
[0002] As we all know, the charger plug is the electrical interface that connects the charger and the power socket. The charging cable assembly includes the plug, wires, circuit boards, rectifiers, transformers, filters, protection circuits, output connectors and charging indicator lights, etc., and the matching connecting wires (such as power cords) connect the charger plug to the power socket and transmit electrical energy to the charger for conversion and management. Generally speaking, the plug and connecting wires work together to ensure that the charger can safely and efficiently provide electrical energy to the device for charging.
[0003] However, traditional charger plugs and charger components usually cause the wire part at the interface to be over-stretched or twisted when the connecting wire is bent or drooped, which may cause the connecting wire to be damaged and cause poor contact problems, such as poor current transmission, slower charging speed, unstable charging, etc., which affect the charging effect. Therefore, technical improvements are urgently needed. Utility Model Content
[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a charger assembly with a charger plug is proposed. When the charger plug and the charger assembly are in use, the clamping half rings on both sides are respectively connected to the limiting half rings by fastening bolts, so that the connection between the connecting line and the first connector and the second connector can be limited to prevent the connection from being damaged due to excessive stretching or natural sagging.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A charger assembly with a charger plug, comprising a shell and a connecting wire, wherein a placement slot is provided inside the shell, a connection shell is provided at the front end of the inner wall of the placement slot, both sides of the outer wall of the front end of the connection shell are connected with sockets, the upper and lower parts of both sides of the outer wall of the rear end of the connection shell are fixedly connected with elastic clamping blocks, and the upper and lower parts of both sides of the inner wall of the placement slot are provided with clamping slots;
[0007] A first connector and a second connector are respectively provided on both sides of the outer wall at the front end of the connecting line; a limiting semi-ring is fixedly connected to the lower part of the outer wall at the rear end of the first connector and the second connector; a clamping semi-ring is provided at the upper end of each of the limiting semi-rings; two threaded holes are provided on the outer walls of the adjacent ends of the limiting semi-ring and the clamping semi-ring; a PCB board is placed inside the placement groove.
[0008] Through the above technical solution, compared with the existing charger plug and charger assembly, when the charger plug and charger assembly are in use, the design of the placement groove and the connecting shell inside the shell, as well as the snap-fitting of the elastic card block and the snap-fitting groove, ensure the fixation and stability of the charger plug and the connecting line, reduce the loose connection caused by vibration or movement, and due to the modular design, the PCB board and other components can be replaced separately, which is convenient for maintenance and upgrading, and has high practical performance.
[0009] Furthermore, the elastic card block is engaged with the engagement groove;
[0010] Through the above technical solution, the connection shell can be easily limited by the engagement between the elastic block and the engagement groove.
[0011] Furthermore, a transformer is fixedly connected to the middle of the PCB board, an interface is fixedly connected to the rear end of the middle of the upper surface of the PCB board, and the rear end of the interface is connected to the housing;
[0012] Through the above technical solution, the input AC voltage can be stably converted into the DC voltage required by the device through the transformer, ensuring the stability and safety of the charging process.
[0013] Furthermore, both sides of the front end and the rear end of the upper surface of the PCB are fixedly connected with a filter electrolytic fusion and an electrolytic fusion respectively;
[0014] Through the above technical solution, overcurrent protection can be provided by electrolytic fusion and filter electrolytic fusion. When the current exceeds the safe value, they will fuse and cut off the circuit to prevent equipment damage.
[0015] Furthermore, contacts are fixedly connected to both sides of the front end of the upper surface of the PCB board, and the front ends of the contacts are tightly fitted with the rear ends of the sockets respectively;
[0016] Through the above technical solution, the contacts and the socket are tightly fitted, which ensures a good electrical connection, reduces contact resistance and improves charging efficiency.
[0017] Furthermore, a protective cover is fixedly connected to the middle of the front end of the upper surface of the PCB board, a fuse resistor is arranged inside the protective cover, and a thermistor is fixedly connected to one end of the front end of the upper surface of the PCB board close to the protective cover;
[0018] Through the above technical solution, thermistors can monitor temperature changes, respond to abnormal conditions in a timely manner, and ensure safe use.
[0019] Furthermore, a main control chip and a fast charging protocol chip are respectively provided at the front end and the rear end of the upper surface of the PCB board;
[0020] Through the above technical solution, the fast charging protocol chip supports the fast charging standard, which can provide the fastest charging speed according to the needs of the device while ensuring charging safety.
[0021] Furthermore, the limiting half ring and the clamping half ring are both threadedly connected to the threaded hole through fastening bolts;
[0022] Through the above technical solution, the connection line at the joint is conveniently limited by the limiting half ring and the clamping half ring.
[0023] The utility model has the following beneficial effects:
[0024] 1. The utility model proposes a charger assembly with a charger plug. Compared with the existing charger plug and charger assembly, when the charger plug and charger assembly are used, the clamping half rings on both sides are respectively connected with the limiting half rings by fastening bolts, so as to limit the connection between the connecting wire and the first connector and the second connector to prevent the connection from being damaged due to excessive stretching or natural sagging.
[0025] 2. The utility model proposes a charger assembly with a charger plug. Compared with the existing charger plug and charger assembly, when the charger plug and charger assembly are in use, the design of the placement groove and the connecting shell inside the shell, as well as the snap-fitting of the elastic card block and the snap-fitting groove ensure the fixation and stability of the charger plug and the connecting line, reduce the loose connection caused by vibration or movement, and adopt a modular design, so that the PCB board and other components can be replaced separately, which is convenient for maintenance and upgrading, and has high practical performance. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 This is an axonometric diagram of a charger assembly with a charger plug proposed by the utility model;
[0027] Figure 2 This is an exploded schematic diagram of a charger assembly with a charger plug proposed by the utility model;
[0028] Figure 3 This is an exploded schematic diagram of a clamping half ring in a charger assembly with a charger plug proposed by the utility model;
[0029] Figure 4 This is a structural schematic diagram of a PCB board in a charger assembly with a charger plug proposed by the utility model;
[0030] Figure 5 for Figure 2 The enlarged view of point A in the middle;
[0031] Figure 6 for Figure 3 Enlarged view of point B in the middle.
[0032] Legend:
[0033] 1. Shell; 2. Connecting wire; 3. Connecting shell; 4. Socket; 5. Elastic card block; 6. Placement slot; 7. Snap-in slot; 8. PCB board; 9. Transformer; 10. Electrolytic fusion; 11. Filter electrolytic fusion; 12. Contact; 13. Protective cover; 14. Fuse resistor; 15. Thermistor; 16. Interface; 17. Fast charging protocol chip; 18. Main control chip; 19. First connector; 20. Second connector; 21. Limiting half ring; 22. Snap-in half ring; 23. Threaded hole. DETAILED DESCRIPTION
[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0035] Reference Figure 1-6 , an embodiment provided by the utility model:
[0036] A charger assembly with a charger plug comprises a shell 1 and a connecting line 2, wherein a placement groove 6 is provided inside the shell 1, a connecting shell 3 is provided at the front end of the inner wall of the placement groove 6, both sides of the outer wall of the front end of the connecting shell 3 are through-connected with sockets 4, the upper and lower parts of both sides of the outer wall of the rear end of the connecting shell 3 are fixedly connected with elastic clamping blocks 5, and the upper and lower parts of the front ends of both sides of the inner wall of the placement groove 6 are provided with clamping grooves 7.
[0037] The first connector 19 and the second connector 20 are respectively arranged on both sides of the front end outer wall of the connecting wire 2, and the lower part of the rear end outer wall of the first connector 19 and the second connector 20 is fixedly connected with a limiting semi-ring 21, and the upper end of the limiting semi-ring 21 is provided with a clamping semi-ring 22, and the outer wall of the adjacent end of the limiting semi-ring 21 and the clamping semi-ring 22 is provided with two threaded holes 23, and the PCB board 8 is placed inside the placement groove 6;
[0038] Compared with the existing charger plug and charger assembly, when the charger plug and charger assembly are in use, the design of the placement groove inside the shell 1 and the connecting shell 3, as well as the snap-fitting of the elastic card block 5 and the snap-fitting groove 7 ensure the fixation and stability of the charger plug and the connecting line 2, reduce the loose connection caused by vibration or movement, and due to the modular design, the PCB board 8 and other components can be replaced separately, which is convenient for maintenance and upgrading, and has high practical performance.
[0039] The elastic card block 5 is engaged with the card slot 7, and the elastic card block 5 is engaged with the card slot 7 to facilitate the limiting of the connection shell 3. The middle part of the PCB board 8 is fixedly connected with a transformer 9, and the rear end of the middle part of the upper surface of the PCB board 8 is fixedly connected with an interface 16. The rear end of the interface 16 is connected to the shell 1. The input AC voltage can be stably converted into the DC voltage required by the device through the transformer 9 to ensure the stability and safety of the charging process. The front end and the rear end of the upper surface of the PCB board 8 are respectively fixedly connected with a filter electrolytic fusion 11 and an electrolytic fusion 10. The electrolytic fusion 10 and the filter electrolytic fusion 11 can provide overcurrent protection. When the current exceeds the safety value, they will fuse and cut off the circuit to prevent damage to the equipment. The front end of the upper surface of the PCB board 8 is fixedly connected with contacts 12 on both sides. The front ends of the contacts 12 are tightly fitted with the rear ends of the socket 4 respectively. Point 12 fits tightly with the socket 4, ensuring a good electrical connection, reducing contact resistance and improving charging efficiency. A protective cover 13 is fixedly connected to the middle of the front end of the upper surface of the PCB board 8, and a fuse resistor 14 is arranged inside the protective cover 13. A thermistor 15 is fixedly connected to one end of the front end of the upper surface of the PCB board 8 close to the protective cover 13. The thermistor 15 can monitor temperature changes, respond to abnormal conditions in time, and ensure safe use. A main control chip 18 and a fast charging protocol chip 17 are respectively arranged at the front and rear ends of the upper surface of the PCB board 8. The fast charging protocol chip 17 supports the fast charging standard and can provide the fastest charging speed according to the needs of the equipment while ensuring charging safety. The limiting semi-ring 21 and the clamping semi-ring 22 are both threadedly connected to the threaded hole 23 by fastening bolts. The limiting semi-ring 21 and the clamping semi-ring 22 are convenient for limiting the connecting wire 2 at the junction.
[0040] Working principle: When the charger plug is inserted into the power socket, the socket 4 at the front end of the connecting shell 3 inside the shell 1 contacts the socket to achieve electrical connection, the elastic card block 5 is engaged with the card slot 7 on the inner wall of the placement slot 6, and the transformer 9 on the PCB board 8 converts the alternating current AC from the power supply to direct current DC. The converted direct current is transmitted to the connecting line 2 through the interface 16 on the PCB board 8, and finally reaches the electronic device. The filter electrolytic fusion 11 and the electrolytic fusion 10 are located on both sides of the front and rear ends of the PCB board 8. They provide overcurrent protection to prevent circuit overload. The contact 12 fits tightly with the socket 4 to ensure good electrical connection and reduce resistance and energy loss. The fuse resistor 14 and thermistor 15 in the protective cover 13 provide overheating protection. When the temperature is abnormal, the fuse resistor 14 will disconnect the circuit to prevent damage to the device. The main control chip 18 is responsible for managing the charging process, including the regulation of voltage and current, monitoring of charging status, etc. The fast charging protocol chip 17 supports the fast charging standard and can match the fast charging function of the device to achieve fast charging without damaging the device.
[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A charger assembly with a charger plug, comprising a housing (1) and a connecting line (2), characterized in that: A placement groove (6) is provided inside the housing (1), a connection shell (3) is provided at the front end of the inner wall of the placement groove (6), both sides of the front end outer wall of the connection shell (3) are connected with sockets (4), the upper and lower parts of both sides of the rear end outer wall of the connection shell (3) are fixedly connected with elastic clamping blocks (5), and the upper and lower parts of both sides of the front end of the inner wall of the placement groove (6) are provided with clamping grooves (7); A first connector (19) and a second connector (20) are respectively arranged on both sides of the front end outer wall of the connecting wire (2); a limiting semi-ring (21) is fixedly connected to the lower part of the rear end outer wall of the first connector (19) and the second connector (20); a clamping semi-ring (22) is arranged at the upper end of each limiting semi-ring (21); two threaded holes (23) are arranged on the outer walls of the adjacent ends of each limiting semi-ring (21) and the clamping semi-ring (22); and a PCB board (8) is placed inside the placement groove (6).
2. A charger assembly with a charger plug according to claim 1, characterized in that: The elastic clamping block (5) is clamped and matched with the clamping groove (7).
3. A charger assembly with a charger plug according to claim 1, characterized in that: A transformer (9) is fixedly connected to the middle of the PCB board (8), an interface (16) is fixedly connected to the rear end of the middle of the upper surface of the PCB board (8), and the rear end of the interface (16) is connected to the housing (1).
4. A charger assembly with a charger plug according to claim 1, characterized in that: The filter electrolytic fusion (11) and the electrolytic fusion (10) are respectively fixedly connected to both sides of the front end and the rear end of the upper surface of the PCB board (8).
5. The charger assembly with a charger plug according to claim 1, characterized in that: Contacts (12) are fixedly connected to both sides of the front end of the upper surface of the PCB board (8), and the front ends of the contacts (12) are tightly fitted with the rear ends of the socket (4) respectively.
6. A charger assembly with a charger plug according to claim 1, characterized in that: A protective sleeve (13) is fixedly connected to the middle of the front end of the upper surface of the PCB board (8), a fuse resistor (14) is arranged inside the protective sleeve (13), and a thermistor (15) is fixedly connected to one end of the front end of the upper surface of the PCB board (8) close to the protective sleeve (13).
7. A charger assembly with a charger plug according to claim 1, characterized in that: A main control chip (18) and a fast charging protocol chip (17) are respectively arranged at the front end and the rear end of the upper surface of the PCB board (8).
8. The charger assembly with a charger plug according to claim 1, characterized in that: The limiting half ring (21) and the clamping half ring (22) are both threadedly connected to the threaded hole (23) via fastening bolts.