Lithium battery double-IC charger

Abstract

The utility model relates to the technical field of flowering rivet nuts, and discloses a lithium battery double-IC charger, which comprises a charging head, a charging wire and a conducting rod, the tail end of the charging wire is connected with a joint, a rope tying strip is assembled outside the charging wire, an insulating pad is fixed on the inner wall surface of the rope tying strip, and the conducting rod is connected with the insulating pad. A second hook-and-loop fastener is fixed to the end face of one end of the rope tying strip, and a first hook-and-loop fastener is fixed to the end face of the other end of the rope tying strip. According to the utility model, the connector is assembled at the tail end of the charging wire, and the charging connecting plug is fixed at the tail end of the connector, so that the charging connecting plug can be used for equipment plugging work, the external thread is fixed outside the connector, and the internal thread is fixed at the lower position in the protective cover, so that the internal thread and the external thread are matched with each other; the protective cover is assembled at the external position of the charging connecting plug, so that the charging connecting plug can be protected after the protective cover is assembled when the charging connecting plug is not used, and the overall protective capability is improved.

Description

Technical Field

[0001] This utility model relates to a dual-IC charger for lithium batteries. Specifically, it relates to a dual-IC charger for lithium batteries. Background Technology

[0002] A dual-IC charger is a charging device that integrates two charging ICs (integrated circuits). This design aims to improve charging efficiency and ensure safety during the charging process by having the two ICs work together. A lithium battery dual-IC charger, specifically, is an integrated circuit device that provides charging management for two lithium batteries connected in series.

[0003] The main functions of a lithium battery dual IC charger include charging management, charging control, short circuit protection, low voltage detection, overcharge protection, and over-discharge protection. It is mainly used in portable electronic devices such as mobile phones, laptops, and wearable devices. When using a lithium battery dual IC charger, it needs to be plugged into the device at the end. If the connector is damaged, it will directly affect the charging effect of the lithium battery dual IC charger. Utility Model Content

[0004] The purpose of this utility model is to provide a lithium battery dual IC charger to solve the problem mentioned in the background art that when using a lithium battery dual IC charger, it needs to be plugged into the device at the tail end. If the connector is damaged, it will directly affect the charging effect of the lithium battery dual IC charger.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a lithium battery dual IC charger, comprising a charging head, a charging cable, and a conductive rod. The end of the charging cable is connected to a connector, and the end of the connector is fitted with a charging plug. An external thread is fixed on the outer side wall of the connector near the end, and a protective cover is connected to the outside of the external thread. An internal thread is fixed on the lower part of the inner wall of the protective cover. A tether is fitted to the outside of the charging cable, and an insulating pad is fixed on the inner wall of the tether. A second Velcro fastener is fixed to one end of the tether, and a first Velcro fastener is fixed to the other end of the tether.

[0006] As a further technical solution of this utility model, the first hook and loop fastener and the second hook and loop fastener are bonded together, and the insulating pad and the tether are bonded together with insulating adhesive.

[0007] As a further technical solution of this utility model, the connector and the protective cover form a threaded connection, the bottom of the charging head is equipped with a rubber interface, and the top of the charging cable is assembled with the rubber interface.

[0008] As a further technical solution of this utility model, the bottom of the charging head is equipped with a connecting rod, and the bottom of the connecting rod is connected to a support ring.

[0009] As a further technical solution of this utility model, the connecting rods are symmetrically distributed about the central axis of the charging head, and the tail end of the connecting rods is connected and assembled with the two sides above the support ring.

[0010] As a further technical solution of this utility model, a hollow groove is provided at the center position of the support ring, and a retaining spring is installed at the front and rear positions of the hollow groove, and an arc plate is connected to the end face of the retaining spring.

[0011] As a further technical solution of this utility model, a rubber pad is installed on the end face of the arc-shaped plate, and an adhesive connection is formed between the arc-shaped plate and the rubber pad.

[0012] As a further technical solution of this utility model, the arc-shaped plates are symmetrically distributed about the central axis of the hollow groove, and the retaining springs are evenly distributed on the outer surface of the arc-shaped plates.

[0013] Compared with the prior art, the beneficial effects of this utility model are: this lithium battery dual IC charger not only improves the protection capability of the connector, but also improves the storage capability and interface protection capability of the lithium battery dual IC charger.

[0014] (1) By assembling a connector at the end of the charging cable and fixing a charging plug at the end of the connector, the charging plug can be used for device insertion. An external thread is fixed on the outside of the connector and an internal thread is fixed at the lower part of the protective cover. By using the mutual adaptation of the internal and external threads, the protective cover is assembled on the outside of the charging plug. Therefore, when not in use, the protective cover can be assembled to protect the charging plug, thereby improving the overall protection capability.

[0015] (2) By assembling the charging cable at the bottom of the rubber interface, after plugging it in, the excess wire of the charging cable is bent and stored, and then tied with a rope. At this time, the first Velcro and the second Velcro cooperate to form an adhesive connection assembly. At the same time, the insulating pad plays the role of insulation and isolation protection, thereby improving the overall storage capacity during the working process.

[0016] (3) By installing the connecting rod at the bottom of the charging head and assembling the support ring at the bottom of the connecting rod, a hollow groove is formed in the support ring. The retaining ring is assembled at the front and rear positions in the hollow groove. After connecting the arc plate to the end face of the retaining ring, the arc plate and the rubber pad can be used to form a clamping support protection. Therefore, the overall protection capability of the rubber interface position is improved in the working process. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0018] Figure 2 This is a top view schematic diagram of the tethering strip structure of this utility model;

[0019] Figure 3 This is a top view schematic diagram of the support ring structure of this utility model;

[0020] Figure 4 This is a partial front view of the protective cover of this utility model.

[0021] In the diagram: 1. Charging head; 2. Connecting rod; 3. Rubber interface; 4. Charging cable; 5. Tie; 6. Connector; 7. Charging plug; 8. Support ring; 9. Conductive rod; 10. Insulating pad; 11. First Velcro; 12. Second Velcro; 13. Snap ring; 14. Curved plate; 15. Rubber pad; 16. Hollow groove; 17. Protective cover. Detailed Implementation

[0022] 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.

[0023] Please see Figure 1-4 This utility model provides an embodiment of a lithium battery dual IC charger, including a charging head 1, a charging cable 4, and a conductive rod 9. The end of the charging cable 4 is connected to a connector 6, and the end of the connector 6 is equipped with a charging plug 7. An external thread is fixed on the outer wall of the connector 6 near the end, and a protective cover 17 is connected to the outside of the external thread. An internal thread is fixed on the lower part of the inner wall of the protective cover 17. A tether 5 is assembled on the outside of the charging cable 4, and an insulating pad 10 is fixed on the inner wall of the tether 5. A second Velcro 12 is fixed on one end of the tether 5, and a first Velcro 11 is fixed on the other end of the tether 5.

[0024] As a further technical solution of this utility model, the first hook and loop fastener 11 and the second hook and loop fastener 12 are bonded together, and the insulating pad 10 and the tether 5 are bonded together with insulating adhesive.

[0025] As a further technical solution of this utility model, a threaded connection is formed between the connector 6 and the protective cover 17, a rubber interface 3 is assembled at the bottom of the charging head 1, and the top of the charging cable 4 is assembled with the rubber interface 3.

[0026] As a further technical solution of this utility model, the bottom of the charging head 1 is equipped with a connecting rod 2, and the bottom of the connecting rod 2 is connected to a support ring 8.

[0027] As a further technical solution of this utility model, the connecting rod 2 is symmetrically distributed about the central axis of the charging head 1, and the tail end of the connecting rod 2 is connected and assembled with the two sides above the support ring 8.

[0028] As a further technical solution of this utility model, a hollow groove 16 is provided at the center position of the support ring 8, and a retaining spring 13 is installed at the front and rear positions of the hollow groove 16. An arc plate 14 is connected to the end face of the retaining spring 13.

[0029] As a further technical solution of this utility model, a rubber pad 15 is installed on the end face of the arc plate 14, and an adhesive connection is formed between the arc plate 14 and the rubber pad 15.

[0030] As a further technical solution of this utility model, the arc plate 14 is symmetrically distributed about the central axis of the hollow groove 16, and the snap ring 13 is evenly distributed on the outer surface of the arc plate 14.

[0031] Further, based on dual-IC charging technology, two charging ICs (integrated circuits) need to be integrated into the charging head 1 to work together to complete the charging process.

[0032] Based on the use of the device, the charging head 1 needs to be equipped with necessary technical components such as charging management, charging control, short circuit protection, low voltage detection, overcharge protection and over-discharge protection.

[0033] Working principle: First, during operation, the connecting rod 2 is installed at the bottom of the charging head 1, and the support ring 8 is assembled at the bottom of the connecting rod 2. A hollow groove 16 is formed inside the support ring 8. A retaining spring 13 is assembled at the front and rear positions inside the hollow groove 16. After connecting the arc plate 14 to the end face of the retaining spring 13, the arc plate 14 and the rubber pad 15 cooperate to form a clamping support and protection. During use, the charging head 1 and the conductive rod 9 are fitted and connected to the socket. After plugging in, the excess wire of the charging cable 4 is bent and stored, and then tied with the rope 5. At this time, the first Velcro 11 and the second Velcro 12 cooperate to form an adhesive connection to complete the storage work. Then, the charging plug 7 is plugged into the device.

[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. A lithium battery dual IC charger, comprising a charging head (1), a charging wire (4), a conductive rod (9), characterized in that: The charging cable (4) is connected to a connector (6) at its tail end. A charging plug (7) is installed at the tail end of the connector (6). An external thread is fixed on the outer wall of the connector (6) near the tail end. A protective cover (17) is connected to the outside of the external thread. An internal thread is fixed on the lower part of the inner wall of the protective cover (17). A tether (5) is fitted to the outside of the charging cable (4). An insulating pad (10) is fixed on the inner wall of the tether (5). A second Velcro (12) is fixed on one end of the tether (5). A first Velcro (11) is fixed on the other end of the tether (5).

2. The dual IC lithium battery charger according to claim 1, wherein: The first hook and loop fastener (11) and the second hook and loop fastener (12) are bonded together, and the insulating pad (10) and the tether (5) are bonded together with insulating adhesive.

3. The dual IC lithium battery charger according to claim 1, wherein: The connector (6) and the protective cover (17) form a threaded connection. The bottom of the charging head (1) is equipped with a rubber interface (3), and the top of the charging cable (4) is assembled with the rubber interface (3).

4. The dual IC lithium battery charger of claim 1, wherein: The bottom of the charging head (1) is fitted with a connecting rod (2), and the bottom of the connecting rod (2) is connected to a support ring (8).

5. The dual IC lithium battery charger according to claim 4, wherein: The connecting rod (2) is symmetrically distributed about the central axis of the charging head (1), and the tail end of the connecting rod (2) is connected and assembled with the two sides above the support ring (8).

6. The dual IC lithium battery charger according to claim 4, wherein: A hollow groove (16) is provided at the center of the support ring (8), and a retaining ring (13) is installed at the front and rear positions of the hollow groove (16). An arc plate (14) is connected to the end face of the retaining ring (13).

7. A lithium battery dual-IC charger according to claim 6, wherein: A rubber pad (15) is installed on the end face of the arc plate (14), and an adhesive connection is formed between the arc plate (14) and the rubber pad (15).

8. The dual IC lithium battery charger according to claim 7, wherein: The arc-shaped plate (14) is symmetrically distributed about the central axis of the hollow groove (16), and the snap ring (13) is evenly distributed on the outer surface of the arc-shaped plate (14).

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