Anti-theft shell for lithium battery of battery car

By introducing an anti-theft structure consisting of a key lever, a limiting block, a threaded rod, a sliding plate, and a connecting plate into the battery casing, the problem of easy disassembly of the electric vehicle battery casing is solved, achieving higher anti-theft performance and security.

CN223911756UActive Publication Date: 2026-02-13CHANGCHUN YIFENGFAN NEW ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423180845.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2026-02-13
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

The existing electric vehicle battery casings are easy to disassemble, have insufficient anti-theft performance, and are easily stolen by criminals.

Method used

The anti-theft structure employs a key-operated rotating disc, a limiting block, a threaded rod, a sliding plate, and a connecting plate. The rotating disc is controlled by a key, which in turn controls the sliding plate to move up and down, causing the limiting plate to disengage and allowing for reliable battery removal.

Benefits of technology

It improves the anti-theft performance of the battery, increases the safety and difficulty of removing the battery, and enhances the anti-theft effect of the battery casing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-theft shell for a lithium battery of a battery car, and relates to the technical field of battery shells. Comprising a fixed frame, a battery outer frame is slidably arranged on the inner wall of the fixed frame, a battery inner frame is slidably embedded in the inner wall of the battery outer frame, an anti-theft structure is arranged on the battery inner frame, the anti-theft structure comprises a key rotating rod, a limiting block, a threaded rod, a sliding plate, two connecting plates and two limiting plates, and the outer wall of the key rotating rod is rotatably embedded in the battery inner frame; the key rotating rod is sleeved with the inner wall of the limiting block in a sliding mode, the outer wall of the limiting block is embedded into the battery inner frame in a sliding mode, the lower surface of the outer wall of the threaded rod is embedded into the battery inner frame in a threaded mode, and the threaded rod is rotationally sleeved with the inner wall of the sliding plate. Through the key rotating rod, the limiting block, the threaded rod, the sliding plate and the connecting plate, the rotating disc can rotate through control pressing of a key, so that the sliding plate is controlled to slide up and down, the limiting plate is separated, the battery can leave the electric vehicle, and the anti-theft performance is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to battery shell technical field, concretely is a battery car lithium battery theftproof shell. BACKGROUND

[0002] At present, the battery shell of electric vehicle is an important component of battery, which not only protects the structure and electrolyte inside the battery, but also undertakes the task of heat dissipation and external impact prevention, and the material and process of the shell directly affect the safety, durability and performance of the battery.

[0003] At present, the battery shell of electric vehicle is fixed on the electric vehicle by screws, which can be easily disassembled, and the electric vehicle placed outside cannot avoid the malicious theft by illegal personnel, and for illegal personnel who understand the structure of electric vehicle, the anti-theft structure of the battery of electric vehicle can be easily removed, and the anti-theft effect is lost. INVENTION CONTENTS

[0004] The utility model provides a battery car lithium battery theftproof shell, through key rotation rod, limit block, screw rod, sliding plate and connecting plate, can utilize the control pressing of key to make the rotating disc can rotate to control the up and down sliding of sliding plate, make the limit plate separate, can make the battery leave electric vehicle, improve the anti -theft performance.

[0005] In order to realize above -mentioned purpose, the utility model discloses the following technical scheme to be realized: a battery car lithium battery theftproof shell, comprising:

[0006] Fixed frame, the inner wall of fixed frame slides battery outer frame, the inner wall of battery outer frame is slidably embedded with battery inner frame;

[0007] Theftproof structure is located on the battery inner frame;

[0008] The theftproof structure includes key rotation rod, limit block, screw rod, sliding plate, two connecting plates and two limit plates, the outer wall of key rotation rod is rotatably embedded in the battery inner frame, the inner wall of limit block is slidably sleeved on the key rotation rod, the outer wall of limit block is slidably embedded in the battery inner frame, the outer wall of screw rod is threadedly embedded in the battery inner frame, the inner wall of sliding plate is rotatably sleeved on the screw rod, the side of two connecting plates close to each other is rotatably arranged on the sliding plate, and the side of two connecting plates away from each other is rotatably arranged on two limit plates.

[0009] As a battery car lithium battery theftproof shell of the utility model, the outer wall top of screw rod is fixedly provided with rotating disc, and the outer wall of rotating disc is provided with notch.

[0010] As the utility model discloses a battery car lithium battery theftproof shell, the outer wall of two connecting plates and two limiting plates are slid in the battery inner frame, and the outer wall of two limiting plates is slid in the battery outer frame and the fixed frame.

[0011] As the utility model discloses a battery car lithium battery theftproof shell, the outer wall top of battery inner frame is equipped with two handles, and two handles are symmetrically arranged.

[0012] As the utility model discloses a battery car lithium battery theftproof shell, the outer wall of battery inner frame is hinged with swing plate.

[0013] As the utility model discloses a battery car lithium battery theftproof shell, the outer wall top of battery outer frame is fixed on the fixed frame through bolt.

[0014] The utility model provides a battery car lithium battery theftproof shell. Have following beneficial effect:

[0015] (1) the battery car lithium battery theftproof shell, through key rotating rod, limiting block, threaded rod, sliding plate and connecting plate, can utilize the control pressing of key to make rotary disc can rotate to control sliding plate up and down sliding, make limiting plate separate, can make battery leave electric motor car, improve the anti -theft performance. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the front view of the utility model;

[0017] Figure 2 It is the section view of the utility model;

[0018] Figure 3 It is the explosion drawing of the utility model;

[0019] Figure 4 It is the enlarged schematic drawing of the utility model A.

[0020] In the drawing: 1, fixed frame;2, battery outer frame;3, battery inner frame;4, key rotating rod;5, limiting block;6, threaded rod;7, sliding plate;8, connecting plate;9, limiting plate;10, rotary disc;11, handle;12, swing plate. DETAILED DESCRIPTION

[0021] The technical scheme in the utility model embodiment will be described clearly and completely below in combination with the drawings in the utility model embodiment. Apparently, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer toFigures 1-4 The utility model provides a technical scheme: a battery car lithium battery theftproof shell, it includes:

[0023] The fixed frame 1 is slidably provided with a battery outer frame 2 in the inner wall of the fixed frame 1, and the battery outer frame 2 is slidably provided with a battery inner frame 3 in the inner wall of the battery outer frame 2.

[0024] The theftproof structure is arranged on the battery inner frame 3.

[0025] The theftproof structure includes a key rotating rod 4, a limiting block 5, a threaded rod 6, a sliding plate 7, two connecting plates 8 and two limiting plates 9, the outer wall of the key rotating rod 4 is rotatably arranged in the battery inner frame 3, the inner wall of the limiting block 5 is slidably sleeved on the key rotating rod 4, the outer wall of the limiting block 5 is slidably arranged in the battery inner frame 3, the outer wall lower surface of the threaded rod 6 is threadedly arranged in the battery inner frame 3, the inner wall of the sliding plate 7 is rotatably sleeved on the threaded rod 6, the two connecting plates 8 are rotatably arranged on the sliding plate 7 on the side close to each other, and the two connecting plates 8 are rotatably arranged on the two limiting plates 9 on the side away from each other.

[0026] In the embodiment, the fixed frame 1 is fixed on the electric vehicle by welding, the battery outer frame 2 can protect the battery inner frame 3, the battery outer frame 2 is made of metal with high toughness, and can prevent deformation under impact, thereby protecting the battery inner frame 3, the key rotating rod 4 needs to be pressed after being inserted into the key, and then can be rotated, thereby controlling the swinging of the limiting block 5, the threaded rod 6 can drive the sliding plate 7 to slide up and down in the rotating process, thereby driving the two connecting plates 8 to move, so that the two limiting plates 9 are separated, thereby facilitating the removal of the battery inner frame 3, the limiting block 5 can be sleeved on the threaded rod 6 after swinging, thereby preventing the sliding plate 7 from moving upward, thereby achieving the first protection.

[0027] Specifically, a rotating disc 10 is fixedly arranged on the outer wall top of the threaded rod 6, and a notch is formed in the outer wall of the rotating disc 10.

[0028] In the embodiment, the rotation of the rotating disc 10 can control the rotation of the threaded rod 6, the notch on the rotating disc 10 is matched with the key rotating rod 4, and the rotation of the rotating disc 10 is limited before the key rotating rod 4 is pressed, thereby achieving the second protection.

[0029] Specifically, the outer walls of the sliding plate 7, the two connecting plates 8 and the two limiting plates 9 are slidably arranged in the battery inner frame 3, and the outer walls of the two limiting plates 9 are slidably arranged in the battery outer frame 2 and the fixed frame 1.

[0030] In the embodiment, the sliding plate 7, the two connecting plates 8 and the two limiting plates 9 are rotatably arranged together, thereby controlling the limiting plates 9 to leave the embedding area of the fixed frame 1 and the battery outer frame 2.

[0031] Specifically, the outer wall top of the battery inner frame 3 is rotatably provided with two handles 11, and the two handles 11 are symmetrically arranged.

[0032] In this embodiment, the battery inner frame 3 is taken out through the two handles 11.

[0033] Specifically, the outer wall of the battery inner frame 3 is hingedly provided with a swing plate 12.

[0034] In this embodiment, the swing plate 12 can prevent illegal personnel from tampering with the connection between the sliding plate 7, the two connecting plates 8 and the two limiting plates 9.

[0035] Specifically, the outer wall top of the battery outer frame 2 is fixed on the fixed frame 1 by bolts.

[0036] In this embodiment, the battery outer frame 2 is fixed on the fixed frame 1 by bolts, and the bottom is fixed by welding. The bolts on the top are used to confuse illegal personnel.

[0037] In use, the fixed frame 1 is fixed on the electric vehicle by welding, the battery outer frame 2 can protect the battery inner frame 3, the battery outer frame 2 is made of high-toughness metal and can prevent deformation under impact, thereby protecting the battery inner frame 3, the key rod 4 needs to be pressed after being inserted into the key, and then can be rotated, thereby controlling the swing of the limiting block 5, the threaded rod 6 can drive the sliding plate 7 to slide up and down during rotation, thereby driving the two connecting plates 8 to move, so that the two limiting plates 9 are separated, thereby facilitating the taking out of the battery inner frame 3, the limiting block 5 can be sleeved on the threaded rod 6 after swinging, thereby preventing the sliding plate 7 from moving upward, thereby achieving the first protection, the rotation of the rotating disc 10 can control the rotation of the threaded rod 6, the slot on the rotating disc 10 matches the key rod 4, and the rotation of the rotating disc 10 is limited before the key rod 4 is pressed, thereby achieving the second protection, the sliding plate 7, the two connecting plates 8 and the two limiting plates 9 are rotated together, thereby controlling the limiting plate 9 to move away from the embedded area of the fixed frame 1 and the battery outer frame 2, the two handles 11 are used to take out the battery inner frame 3, the swing plate 12 can prevent illegal personnel from tampering with the connection between the sliding plate 7, the two connecting plates 8 and the two limiting plates 9, the battery outer frame 2 is fixed on the fixed frame 1 by bolts, and the bottom is fixed by welding. The bolts on the top are used to confuse illegal personnel, the rotating disc 10 can be rotated by pressing the key, thereby controlling the sliding plate 7 to slide up and down, so that the limiting plate 9 is separated, and the battery can be separated from the electric vehicle, thereby improving the anti-theft performance.

[0038] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A theft-proof housing for a lithium battery of an electric vehicle, characterized in that, Include: Fixed frame (1), the inner wall of the fixed frame (1) slides battery outer frame (2), the inner wall of the battery outer frame (2) slides and is embedded with battery inner frame (3); Anti-theft structure is arranged on the battery inner frame (3); The anti-theft structure includes key rotating rod (4), limiting block (5), threaded rod (6), sliding plate (7), two connecting plates (8) and two limiting plates (9), the outer wall of the key rotating rod (4) is rotatably embedded in the battery inner frame (3), the inner wall of the limiting block (5) is slidably sleeved on the key rotating rod (4), the outer wall of the limiting block (5) is slidably embedded in the battery inner frame (3), the outer wall of the threaded rod (6) is threadedly embedded in the battery inner frame (3), the inner wall of the sliding plate (7) is rotatably sleeved on the threaded rod (6), the side of the two connecting plates (8) close to each other is rotatably arranged on the sliding plate (7), and the side of the two connecting plates (8) away from each other is rotatably arranged on the two limiting plates (9).

2. The theft-proof housing for a lithium battery of an electric vehicle according to claim 1, wherein: The outer wall of the threaded rod (6) is fixedly provided with a rotating disc (10) at the top, and the outer wall of the rotating disc (10) is provided with a notch.

3. The theft-proof housing for a lithium battery of an electric scooter according to claim 2, wherein: The outer wall of the sliding plate (7), the two connecting plates (8) and the two limiting plates (9) are slidably embedded in the battery inner frame (3), and the outer wall of the two limiting plates (9) is slidably embedded in the battery outer frame (2) and the fixed frame (1).

4. The theft-proof housing for a lithium battery of an electric vehicle of claim 3, wherein: The outer wall of the battery inner frame (3) is rotatably provided with two handles (11) at the top, and the two handles (11) are symmetrically arranged.

5. The theft proof housing for a lithium battery of an electric scooter as claimed in claim 4, wherein: The outer wall of the battery inner frame (3) is hingedly provided with a swing plate (12).

6. The theft proof case for lithium battery of the electric vehicle of claim 5, wherein: The outer wall of the battery outer frame (2) is fixedly arranged on the fixed frame (1) through bolts.