Protective device for new energy automobile battery
By introducing an adjustment structure into the battery of new energy vehicles, and using a servo motor to drive the screw and slider to achieve stable fixing of the battery, the problem of battery displacement caused by loose screws is solved, and the stability and safety of the battery are improved.
Patent Information
- Application Number
- CN202520325031.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-02-27
AI Technical Summary
During long-term use, existing new energy vehicle batteries may experience battery component displacement due to loose screws, increasing the risk of battery damage and short circuits, and even posing safety hazards.
An adjustable structure is adopted, including components such as a servo motor, screw, slider, and limit plate. The servo motor drives the screw to move the slider and limit plate, thereby achieving a stable fixation of the battery and preventing the screws from loosening.
It improves battery stability and safety, prevents malfunctions and potential risks caused by loose battery, and ensures battery stability and safety during use.
Smart Images

Figure CN223871624U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to new energy automobile battery field especially relates to a new energy automobile battery protection device. BACKGROUND
[0002] New energy automobile batteries are mainly divided into three categories: lead-acid batteries, nickel-hydrogen batteries and lithium batteries. Among them, lithium batteries have become the most widely used battery type because of their high energy density, long service life and light weight. Lithium batteries have great advantages in charging speed, cycle life and efficiency, and have become the mainstream choice for electric vehicles.
[0003] Prior art such as the utility model with announcement number CN218677294U discloses a new energy automobile battery pack. The patent includes batteries arranged side by side, a frame body is arranged outside the battery body, the battery body is fixedly arranged in the frame body, the two sides of the frame body are provided with raised edges, a through hole is arranged on the frame body, a threaded rod passes through the through hole of the frame body to fix the end cover and the battery body, a heat conduction space is formed between adjacent battery bodies and the frame body, a heat dissipation pipe is arranged in the heat conduction space, both ends of the heat dissipation pipe extend to the outside of the heat conduction space, and the heat conduction space is filled with heat-conducting silica gel; a heat dissipation pipe is arranged between each battery body, and the heat dissipation pipe and the battery body are filled with heat-conducting silica gel. During the working process of the battery body, the heat generated by the battery body is transferred to the heat dissipation pipe through the heat-conducting silica gel. Since both ends of the heat dissipation pipe extend to the outside, the air in the heat dissipation pipe circulates due to the upward movement of hot air, thereby achieving the heat dissipation effect of the battery pack. The whole structure is simple, and the heat dissipation effect is good.
[0004] In daily life, it is found that the battery of a new energy automobile is usually fixed by screws. However, during a long period of use, the screws are prone to loosening due to vibration and temperature changes. The loosening of the screws will cause displacement of the battery assembly, thereby causing physical loosening of the battery. The battery will collide upward and downward in a loosened state, increasing the risk of damage and short circuit of the battery, and even causing more serious safety hazards.
[0005] Therefore, it is necessary to provide a new kind of new energy automobile battery protection device to solve the above technical problems. Utility model content
[0006] The utility model aims at solving the problems in the prior art that the battery of a new energy automobile is usually fixed by screws. However, during a long period of use, the screws are prone to loosening due to vibration and temperature changes. The loosening of the screws will cause displacement of the battery assembly, thereby causing physical loosening of the battery. The battery will collide upward and downward in a loosened state, increasing the risk of damage and short circuit of the battery, and even causing more serious safety hazards. The utility model provides a new energy automobile battery protection device.
[0007] To solve the above-mentioned technical problems, this utility model provides a protective device for new energy vehicle batteries, comprising: a placement box, wherein the side of the placement box is provided with an adjustment structure, the adjustment structure includes a fixing groove, the fixing groove is opened on one side of the placement box, a servo motor is fixedly connected to the inner wall of the fixing groove, a screw is fixedly connected to the output end of the servo motor, two reverse threads are opened on the arc surface of the screw, two sliders are threadedly connected to the arc surface of the screw, the two sliders are slidably connected to the fixing groove, a limit plate is fixedly connected to one side of the sliders, a connecting groove is opened on the other side of the placement box, two connecting blocks are slidably connected to the inner wall of the connecting groove, the connecting blocks are fixedly connected to the limit plate, and the screw is rotatably connected to the fixing groove.
[0008] The effect achieved by the above components is that the battery can be further secured by the adjustment structure, preventing the screws from loosening over a long period of use, thereby improving the stability and safety of the battery.
[0009] Preferably, a limiting rod is fixedly connected to the inner wall of the connecting groove, and the limiting rod is slidably connected to the connecting block.
[0010] The effect achieved by the above components is that the limiting rod can limit the slider and prevent the slider from deviating during movement.
[0011] Preferably, the servo motor is fitted with a protective frame, which is fixedly connected to the inner wall of the fixing groove.
[0012] The effect achieved by the above components is that the protective frame can protect the servo motor and prevent dust from accumulating inside the servo motor.
[0013] Preferably, ball bearings are fixedly connected to both sides of the slider, and the ball bearings have a circular cross-section.
[0014] The effect achieved by the above components is that the ball bearings can reduce the friction of the slider, making the slider move more smoothly.
[0015] Preferably, a plurality of heat sinks are fixedly connected to one side of the limiting plate.
[0016] The effect achieved by the above components is that the heat sink can dissipate heat from the battery, preventing the battery from overheating during use.
[0017] Preferably, a heat-conducting sheet is fixedly connected to one side of the limiting plate, and the heat-conducting sheet is evenly distributed on one side of the limiting plate.
[0018] The effect achieved by the above components is that the heat-conducting sheet can transfer the heat from the battery to the limiting plate, allowing the heat sink to dissipate heat more effectively.
[0019] Preferably, the placement box has several heat dissipation holes on both sides.
[0020] The effect achieved by the above components is that the heat dissipation holes can expel the heat from the radiator, preventing heat from accumulating inside the housing.
[0021] Compared with related technologies, the protective device for new energy vehicle batteries provided by this utility model has the following beneficial effects:
[0022] This utility model provides a protective device for new energy vehicle batteries. By setting an adjustment structure, the battery can be further secured, preventing the screws from loosening during long-term use, ensuring battery stability, effectively improving the overall stability and safety of the battery, and avoiding battery failure or other potential risks caused by loosening. Attached Figure Description
[0023] Figure 1 A schematic diagram of the structure of a protective device for a new energy vehicle battery provided by this utility model;
[0024] Figure 2 for Figure 1 The diagram shows the structural schematic of the adjustment structure.
[0025] Figure 3 for Figure 2 The enlarged schematic diagram at point A is shown below;
[0026] Figure 4 for Figure 2 The diagram shows a partial structural schematic of the adjustment structure.
[0027] The following are the labels in the diagram: 1. Placement box; 2. Adjustment structure; 201. Fixing groove; 202. Servo motor; 203. Screw; 204. Slider; 205. Limiting plate; 206. Connecting groove; 207. Connecting block; 208. Limiting rod; 209. Heat-conducting plate; 210. Heat sink; 211. Protective frame; 212. Ball bearing; 213. Heat dissipation hole. Detailed Implementation
[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0029] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.
[0030] Please see Figures 1 to 4The present invention provides a protective device for a new energy vehicle battery, comprising: a placement box 1, wherein the side of the placement box 1 is provided with an adjustment structure 2.
[0031] In the embodiments of this utility model, please refer to Figures 2 to 4 The adjustment structure 2 includes a fixing groove 201, which is located on one side of the placement box 1. A servo motor 202 is fixedly connected to the inner wall of the fixing groove 201. A screw 203 is fixedly connected to the output end of the servo motor 202. Two reverse threads are formed on the arc surface of the screw 203. Two sliders 204 are threadedly connected to the arc surface of the screw 203. The two sliders 204 are slidably connected to the fixing groove 201. A limit plate 205 is fixedly connected to one side of the sliders 204. A connecting groove 206 is provided on the other side of the placement box 1. The inner wall of the connecting groove 206 has two sliding connecting blocks 207, which are fixedly connected to the limiting plate 205. The screw 203 is rotatably connected to the fixing groove 201. By setting the adjustment structure 2, the battery can be further fixed, preventing the screw from loosening after long-term use, thus improving the stability and safety of the battery. The inner wall of the connecting groove 206 is fixedly connected to the limiting rod 208, which is slidably connected to the connecting block 207. The limiting rod 208 can limit the slider 204 and prevent the slider 204 from being stopped. 04. During movement, a deviation may occur. A protective frame 211 is fitted around the servo motor 202, and the protective frame 211 is fixedly connected to the inner wall of the fixing groove 201. The protective frame 211 protects the servo motor 202, preventing dust from accumulating inside. Ball bearings 212 are fixedly connected to both sides of the slider 204. The ball bearings 212 have a circular cross-section. The ball bearings 212 reduce the friction of the slider 204, making its movement smoother. A limiting plate 205 is fixedly connected to one side... Several heat sinks 210 are provided to dissipate heat from the battery and prevent the battery from overheating during use. A heat-conducting plate 209 is fixedly connected to one side of the limiting plate 205. The heat-conducting plate 209 is evenly distributed on one side of the limiting plate 205 and can transfer the heat of the battery to the limiting plate 205, so that the heat sink 210 can dissipate heat better. Several heat dissipation holes 213 are provided on both sides of the placement box 1. The heat dissipation holes 213 can exhaust the hot air from the heat sink 210 and prevent the hot air from accumulating in the placement box 1.
[0032] The working principle of the protective device for new energy vehicle batteries provided by this utility model is as follows: By setting the adjustment structure 2, the servo motor 202 is first started, causing the servo motor 202 to drive the screw 203 to rotate. When the screw 203 rotates, it will drive the slider 204 to move within the fixing groove 201 of the placement box 1. The slider 204 then drives the limiting plate 205 to move, and the limiting plate 205 then drives the connecting block 207 to move within the connecting groove 206. By moving the two limiting plates 205, the battery is clamped and limited, making the battery more stable. Among them, the limiting rod 208 can limit the slider 204 to prevent... The slider 204 is designed to prevent it from shifting during movement. The protective frame 211 protects the servo motor 202 and prevents dust from accumulating inside it. The ball bearing 212 reduces the friction of the slider 204, making its movement smoother. The heat sink 210 dissipates heat from the battery, preventing it from overheating during use. The heat-conducting sheet 209 transfers the battery's heat to the limiting plate 205, allowing the heat sink 210 to dissipate heat more effectively. The heat dissipation holes 213 allow the heat from the heat sink 210 to escape, preventing heat from accumulating inside the placement box 1.
[0033] The circuits and controls involved in this utility model are all existing technologies, and will not be described in detail here.
[0034] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A protective device for new energy vehicle batteries, characterized in that, include: A placement box (1) is provided with an adjustment structure (2) on its side. The adjustment structure (2) includes a fixing groove (201) on one side of the placement box (1). A servo motor (202) is fixedly connected to the inner wall of the fixing groove (201). A screw (203) is fixedly connected to the output end of the servo motor (202). Two reverse threads are provided on the arc surface of the screw (203). The grooved connection has two sliders (204), which are slidably connected to the fixing groove (201). A limiting plate (205) is fixedly connected to one side of the slider (204), and a connecting groove (206) is provided on the other side of the placement box (1). Two connecting blocks (207) are slidably connected to the inner wall of the connecting groove (206), and the connecting blocks (207) are fixedly connected to the limiting plate (205). The screw (203) is rotatably connected to the fixing groove (201).
2. The protective device for a new energy vehicle battery according to claim 1, characterized in that, A limiting rod (208) is fixedly connected to the inner wall of the connecting groove (206), and the limiting rod (208) is slidably connected to the connecting block (207).
3. The protective device for a new energy vehicle battery according to claim 1, characterized in that, The servo motor (202) is fitted with a protective frame (211), which is fixedly connected to the inner wall of the fixing groove (201).
4. A protective device for a new energy vehicle battery according to claim 1, characterized in that, Both sides of the slider (204) are fixedly connected with ball bearings (212), and the cross-section of the ball bearings (212) is circular.
5. A protective device for a new energy vehicle battery according to claim 1, characterized in that, Several heat sinks (210) are fixedly connected to one side of the limiting plate (205).
6. A protective device for a new energy vehicle battery according to claim 1, characterized in that, A heat-conducting sheet (209) is fixedly connected to one side of the limiting plate (205), and the heat-conducting sheet (209) is evenly distributed on one side of the limiting plate (205).
7. A protective device for a new energy vehicle battery according to claim 1, characterized in that, The placement box (1) has several heat dissipation holes (213) on both sides.