High-capacity winding type lithium battery

By introducing a linked structure of top cover, rotor, shaft and rubber clips into a high-capacity wound lithium battery, the problem of not being able to disassemble quickly in the existing technology is solved, achieving efficient maintenance and improved safety.

CN224110392UActive Publication Date: 2026-04-10DONGGUAN LILONG BATTERY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing high-capacity wound lithium batteries cannot be quickly disassembled after prolonged use, resulting in low maintenance efficiency and potential safety hazards.

Method used

A linkage structure including a top cover, a first rotator, a first rotating shaft, a rubber buckle, and a pin is designed. The locking and unlocking mechanism of the rubber buckle enables quick disassembly, and the design of positive and negative terminals ensures the stability and reliability of the electrical connection.

Benefits of technology

It enables quick disassembly and maintenance, improves the ease of operation and durability of the equipment, and ensures the safety and sealing performance of the battery.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a high-capacity winding type lithium battery which comprises a device body, an upper cover is connected to the upper end of the device body in a sliding mode, two first rotating devices are fixedly connected to the two side ends of the upper cover respectively, and two first rotating shafts are rotationally connected into the two first rotating devices respectively. The circumferential surfaces of the two first rotating shafts are fixedly connected with two rubber buckles, the outer surface of the upper cover is slidably connected with two rubber buckles, and the design solves the problem that an original device can only quickly relieve pressure and reduce safety accidents. And the maintenance efficiency of the device is improved, so that the accidents are further solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a large capacity winding type lithium battery belongs to lithium battery technical field. BACKGROUND

[0002] At present, the most used battery is winding battery and lithium battery, lithium battery is a kind of battery by lithium metal or lithium alloy as negative electrode material, using non-aqueous electrolyte solution, winding battery is the battery formed by the winding combination of electric core, compared with lithium battery, winding battery has super strong high rate discharge capacity, good working ability under partial state of charge, no free electrolyte.

[0003] Publication No. CN219246870U, refers to the large capacity winding type lithium battery, including lithium battery ontology, the upper end of the lithium battery ontology is fixedly connected with pressure relief structure, the upper end of the pressure relief structure is fixedly connected with fixed seat. The utility model discloses through the cooperation of pressure relief through -hole, piston, connecting rod, connecting plate, spring, pressure relief pipe, conical cover, when the temperature inside the battery is high and the pressure increases, due to the effect of conical cover, the internal pressure is concentrated into pressure relief through -hole, and the piston and connecting rod are pushed to move upwards due to the effect of connecting plate, so as to extrude spring, make the top of connecting rod separate from the upper surface of pressure relief structure, so that the internal pressure is discharged through pressure relief through -hole, and part of the pressure is also discharged through pressure relief pipe, solve the problem that the large capacity winding type lithium battery is used for a long time, the internal temperature is too high and the pressure increases and cannot be pressure released, reach the effect that the safety accident can be quickly pressure released and reduced, but the above-mentioned patent can only quickly pressure release and reduce the occurrence of safety accident, but cannot realize the quick disassembly of the device, and there is an urgent need for a large capacity winding type lithium battery to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a large capacity winding type lithium battery to solve the problems in the background art, the utility model, by quick disassembly of the device, to improve the maintenance efficiency of the device.

[0005] In order to achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a large capacity winding type lithium battery, including device ontology, the upper end of the device ontology is slidably connected with upper cover, the both sides of the upper cover are fixedly connected with two first rotators respectively, two first rotators are rotatably connected with two first rotating shafts in, the circumferential surface of two first rotating shafts is fixedly connected with two rubber buckles, the outer surface of the upper cover is slidably connected with two rubber buckles.

[0006] Further, two sides of the two rubber buckles are respectively provided with a plurality of locking grooves, a plurality of bolts are respectively and slidably connected in the plurality of locking grooves, and the rear ends of the plurality of bolts are all fixedly connected with a plurality of springs.

[0007] Further, the outer surfaces of the plurality of bolts are all slidably connected with a plurality of sliders, and the upper ends of the upper covers are all fixedly connected with the plurality of sliders.

[0008] Further, the upper sides of the plurality of bolts are all provided with a plurality of pulling grooves.

[0009] Further, the upper end of the upper cover is fixedly connected with a positive electrode terminal, and the upper end of the upper cover is fixedly connected with a negative electrode terminal.

[0010] Further, the upper end of the upper cover is fixedly connected with two second rotators, a second rotating shaft is rotatably connected in each of the two second rotators, and a handle is fixedly connected to the circumferential surface of the second rotating shaft.

[0011] The beneficial effects of the utility model are as follows: the utility model discloses a large-capacity winding type lithium battery, and the upper cover, the first rotator, the first rotating shaft and the two rubber buckles are added, and the practical use shows that the device has reasonable structure and good practicability, and the upper cover can be quickly disassembled to achieve efficient maintenance function. DRAWINGS

[0012] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non-restrictive embodiments with reference to the accompanying drawings:

[0013] Figure 1 It is the whole structure perspective schematic view of the utility model large-capacity winding type lithium battery;

[0014] Figure 2 It is the first perspective view explosion schematic view of the utility model large-capacity winding type lithium battery;

[0015] Figure 3 It is the second perspective view section schematic view of the utility model large-capacity winding type lithium battery;

[0016] Figure 4 It is the third perspective view explosion schematic view of the utility model large-capacity winding type lithium battery.

[0017] In the drawing: 1-device body;2-upper cover;3-first rotator;4-first rotating shaft;5-rubber buckle;6-locking groove;7-bolt;8-spring;9-slider;10-pulling groove;11-battery;12-positive electrode terminal;13-negative electrode terminal;14-second rotator;15-second rotating shaft;16-handle. DETAILED DESCRIPTION

[0018] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0019] Please refer to Figures 1-4 The utility model provides a kind of large capacity winding type lithium battery, including device ontology 1, the upper end of device ontology 1 is slidably connected with upper cover 2, the two side ends of upper cover 2 are respectively fixedly connected with two first rotators 3, two first rotators 3 are rotatably connected with two first rotating shafts 4 in, the circumferential surface of two first rotating shafts 4 is fixedly connected with two rubber buckles 5, the outer surface of upper cover 2 is slidably connected with two rubber buckles 5, this design solves the effect that original only can quickly release pressure and reduce safety accident, cannot be further solved by quick disassembly, the accident of safety accident.

[0020] As a first embodiment of the utility model: two rubber buckles 5 two sides are equipped with multiple locking grooves 6 respectively, multiple locking grooves 6 are slidably connected with multiple bolts 7 respectively, the rear end of multiple bolts 7 is fixedly connected with multiple springs 8, provide multiple fixed points through the locking groove 6 of rubber buckle 5 two sides, allow the bolt 7 to slide in its inside, the bolt 7 enters the locking groove 6 by sliding, realize the locking and unlocking operation of rubber buckle 5, the rear end of each bolt 7 is fixedly connected with spring 8, spring 8 provides elastic force, so that the bolt 7 can automatically keep in the locking position when no external force acts this linkage mechanism ensures that the rubber buckle 5 can be firmly locked in the required position, and when it is necessary to release the locking, the spring 8 is compressed by applying external force, so that the bolt 7 exits from the locking groove 6, thereby realizing quick unlocking, the existence of spring 8 not only ensures the automatic reset function of the bolt 7, but also enhances the reliability and stability of the locking, prevents the bolt 7 from loosening or accidentally separating from the locking groove 6 due to vibration or other external force;The outer surface of multiple bolts 7 is slidably connected with multiple sliders 9, the upper end of upper cover 2 is fixedly connected with multiple sliders 9, the sliding connection between the outer surface of bolt 7 and slider 9 is formed, allowing the bolt 7 to move smoothly during locking and unlocking, the slider 9 is fixedly connected to the upper end of the upper cover 2, providing guidance and support for the bolt 7, ensuring its movement along the predetermined trajectory, this linkage mechanism enables the bolt 7 to smoothly slide in the locking groove 6, realizing accurate locking and unlocking operation of the rubber buckle 5, the design of the slider 9 reduces the friction between the bolt 7 and the upper cover 2, improves the operation efficiency and reliability of the bolt 7, in addition, the slider 9 also plays a role in stabilizing the bolt 7, preventing it from deviating or jamming during movement, thereby ensuring the stability of the entire locking system;The upper side of multiple bolts 7 is equipped with multiple pulling grooves 10, which are arranged on the upper side of the bolt 7, providing an operation point for applying external force, when unlocking is required, tools or other mechanical devices can be inserted into the pulling groove 10 to apply tension to the bolt 7, so that it moves along the direction of the slider 9 to overcome the elastic force of the spring 8, thereby exiting from the locking groove 6 to realize the function of unlocking operation;The upper end of the upper cover 2 is fixedly connected with the positive terminal 12, and the upper end of the upper cover 2 is fixedly connected with the negative terminal 13, the positive terminal 12 and the negative terminal 13 are fixedly connected with the upper cover 2, ensuring the stability and reliability of electrical connection, the positive terminal 12 and the negative terminal 13 provide positive and negative interfaces of the battery respectively for the connection of external circuit, this fixed connection mode enables the positive terminal 12 and the negative terminal 13 to be firmly installed on the upper cover 2, preventing loosening or falling off during use, at the same time, this design simplifies the electrical connection process between the battery and other devices, improves the convenience and safety of connection.The upper ends of the upper cover 2 are fixedly connected with two second rotating devices 14, the second rotating devices 14 are rotatably connected with second rotating shafts 15, the circumferential surfaces of the second rotating shafts 15 are fixedly connected with handles 16, the second rotating devices 14 are installed on the upper ends of the upper cover 2 in a fixed connection mode, a stable rotating fulcrum is provided, the second rotating shafts 15 are inserted into the second rotating devices 14 and can rotate freely therein, so that the handles 16 fixed thereto can be adjusted in angle around the second rotating shafts 15, such linkage mechanism allows the handles 16 to be flipped and positioned as needed, facilitating the user to carry or operate the device, when the handles 16 are not used, they can be folded and stored, reducing the occupied space; when carrying is needed, the handles 16 can be rotated to a suitable angle for holding and lifting the device, the design of the second rotating devices 14 ensures smooth rotation of the second rotating shafts 15 and can bear certain weight and stress, ensuring the stability and reliability of the handles 16 during use.

[0021] As a second embodiment of the utility model: through the upper cover 2 is connected with the device body 1 by sliding connection mode, it is convenient to open and close quickly, the first rotating device 3 is fixed on both sides of the upper cover 2, allows the first rotating shaft 4 to rotate freely in it, the circumferential surface of the first rotating shaft 4 is fixedly connected with rubber buckle 5 and rotates synchronously, rubber buckle 5 not only can slide on the outer surface of the upper cover 2, but also can provide elastic fixing function, ensure that the upper cover 2 can be firmly locked when closing, such linkage mechanism makes the upper cover 2 can be opened or closed quickly when needed, and realizes reliable sealing and fixing through rubber buckle 5, the design of the first rotating device 3 and the first rotating shaft 4 allows rubber buckle 5 to be adjusted in angle as needed, so as to adapt to different closing needs, in addition, the sliding connection mode of rubber buckle 5 facilitates quick disassembly and assembly operation, improves the maintenance efficiency and flexibility of the equipment, as a whole, such design realizes efficient, stable opening and closing and fixing function through the cooperative work of the upper cover 2, the first rotating device 3, the first rotating shaft 4 and rubber buckle 5, enhances the operation convenience and durability of the equipment, and ensures the safety and sealing performance of the battery, such structure helps to simplify equipment maintenance and adjustment, further enhances the practicability and reliability of the equipment.

[0022] The basic principle and main features of the present application and the advantages of the present application are shown and described above. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0023] In addition, it should be understood that, although the present application is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A large capacity wound type lithium battery comprising a device body (1), characterized in that, The upper end of the device body (1) is slidably connected with an upper cover (2), both sides of the upper cover (2) are fixedly connected with two first rotators (3), both the first rotators (3) are rotatably connected with two first rotating shafts (4), the circumferential surfaces of the two first rotating shafts (4) are fixedly connected with two rubber buckles (5), and the outer surfaces of the upper cover (2) are slidably connected with the two rubber buckles (5).

2. The large capacity wound type lithium battery according to claim 1, wherein: The two rubber buckles (5) are respectively provided with a plurality of locking grooves (6) on both sides, a plurality of the locking grooves (6) are slidably connected with a plurality of bolts (7), and the rear ends of the plurality of bolts (7) are fixedly connected with a plurality of springs (8).

3. A high capacity wound lithium battery as claimed in claim 2, wherein: The outer surfaces of the plurality of bolts (7) are slidably connected with a plurality of sliders (9), and the upper ends of the upper cover (2) are fixedly connected with the plurality of sliders (9).

4. The high capacity wound lithium battery of claim 2, wherein: The upper sides of the plurality of bolts (7) are provided with a plurality of pulling grooves (10).

5. The high capacity wound lithium battery of claim 4, wherein: The upper end of the upper cover (2) is fixedly connected with a positive electrode terminal (12), and the upper end of the upper cover (2) is fixedly connected with a negative electrode terminal (13).

6. The high capacity wound lithium battery of claim 1, wherein: The upper end of the upper cover (2) is fixedly connected with two second rotators (14), both the second rotators (14) are rotatably connected with a second rotating shaft (15), and the circumferential surface of the second rotating shaft (15) is fixedly connected with a handle (16).

Citation Information

Patent Citations

  • High-capacity winding type lithium battery

    CN219246870U