Lower protective plate assembly of battery

By designing a buffer plate and buffer mechanism, the deformation problem of the lower battery guard plate during impact was solved, achieving the effect of gradually dissipating impact energy while maintaining the heat dissipation and protection functions of the battery box.

CN224110394UActive Publication Date: 2026-04-10CHONGQING BAOLUN AUTO PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING BAOLUN AUTO PARTS CO LTD
Filing Date
2025-05-07
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing battery under-shields are prone to deformation when subjected to impact, lacking an effective buffer structure to gradually dissipate impact energy, leading to damage to metal or plastic under-shields.

Method used

Design a battery lower guard plate assembly, which adopts a buffer plate and a buffer mechanism, including guide posts, guide blocks, buffer spring one and buffer spring two. Through the cooperation of guide grooves and buffer pads, the impact energy is consumed step by step. Heat dissipation holes and blocking blades are set inside the guard plate to prevent dirt from entering and affecting heat dissipation.

Benefits of technology

It effectively cushions the impact of the ground on the battery box, prevents the protective plate from deforming, protects the battery box, and keeps the heat dissipation function unaffected.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile battery protection, in particular to a lower protective plate assembly of a battery. The buffering device comprises a protection plate, a buffering plate is assembled at the bottom end of the protection plate, a buffering mechanism is arranged between the buffering plate and the protection plate and comprises a guide column, a guide block, a first buffering spring and a second buffering spring, a first guide groove is formed in the bottom end in the protection plate, the guide block is slidably connected to the inner side of the first guide groove, and the bottom end of the guide block is fixed to the buffering plate. A plurality of first buffer springs are fixed to the top ends of the guide blocks, and the top ends of the first buffer springs are fixed to the protection plate. According to the battery lower protection plate assembly provided by the utility model, the buffer pad collides with the buffer pad, at the moment, the buffer pad drives the buffer plate to impact the protection plate, the buffer plate drives the guide block to slide along the inner side of the guide groove I, the buffer spring I effectively buffers and protects the protection plate, and the protection plate protects and buffers the battery box; and the impact energy is conveniently consumed step by step.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile battery protection, especially relates to a battery lower guard plate assembly. BACKGROUND

[0002] With the rapid development of new energy vehicles, the safety of power batteries as core components is directly related to the reliability of the whole vehicle and the safety of life and property of users. The battery pack is usually installed at the vehicle chassis position and is easily impacted and eroded by external environments such as road gravel, concave-convex obstacles, water splashing, and corrosive liquids. Therefore, the protection performance of the battery lower guard plate assembly is crucial.

[0003] In the use of the above technology, it is found that the following technical problems exist in the prior art: the battery lower guard plate in the prior art is usually made of a single metal plate or plastic material, and when the metal plate or plastic material is impacted and scratched by the ground, the guard plate and the battery box will be deformed, therefore, the prior art lacks a structure for buffering the guard plate, and the impact energy is effectively consumed step by step, so as to effectively buffer the impact and scratching force, and prevent the single metal plate or plastic material from deforming. Therefore, we design a battery lower guard plate assembly to provide another technical solution for the above technical problems. SUMMARY

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A battery lower guard plate assembly, comprising a protective plate, a buffer plate is assembled at the bottom end of the protective plate, a buffer pad is fixed at the bottom end of the buffer plate, a buffer mechanism is arranged between the buffer plate and the protective plate, the buffer mechanism comprises a guide column, a guide block, a buffer spring one and a buffer spring two, a guide groove one is formed at the bottom end inside the protective plate, the guide block is slidably connected to the inner side of the guide groove one, the bottom end of the guide block is fixed with the buffer plate, a plurality of buffer spring ones are fixed at the top end of the guide block, and the top end of the plurality of buffer spring ones is fixed with the protective plate.

[0006] As a preferred embodiment of the battery lower guard plate assembly provided by the utility model, a plurality of guide grooves two are formed around the bottom end inside the protective plate, a guide column is slidably connected to the inner side of the guide groove two, and the bottom end of the guide column is fixed with the buffer plate.

[0007] As a preferred embodiment of the battery lower guard plate assembly provided by the utility model, a buffer spring two is assembled at the inner side of the guide groove two, the top end of the buffer spring two is fixed with the protective plate, and the bottom end of the buffer spring two is fixed with the guide column.

[0008] As a preferred embodiment of the battery lower guard plate assembly provided by the utility model, the inside of the protective plate is provided with a plurality of heat dissipation holes, and the inner side of the heat dissipation hole is fixed with a plurality of blocking leaves.

[0009] As a preferred embodiment of the battery lower guard plate assembly provided by the utility model, the periphery of the inside of the protective plate is provided with a connecting hole, and the inner side of the connecting hole is connected with the battery box through a bolt.

[0010] As a preferred embodiment of the battery lower guard plate assembly provided by the utility model, the buffer pad is made of an elastic material.

[0011] It can be seen without doubt that the above technical scheme of the application can solve the technical problems to be solved by the application.

[0012] Meanwhile, through the above technical scheme, the utility model has at least the following beneficial effects:

[0013] The battery lower guard plate assembly provided by the utility model is collided with the ground and the buffer pad, and the buffer pad drives the buffer plate and the guide block to be extruded and buffered along the one pair of buffer springs of the guide groove, at this time, the buffer plate drives the guide column to synchronously extrude and buffer the buffer spring two along the inside of the guide groove two, and the elasticity of the buffer spring two and the buffer spring one effectively reduces the force generated by the impact of the ground on the buffer pad, and the protective plate and the buffer plate effectively protect and buffer the battery box, so as to gradually consume the impact energy. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed in the embodiment description will be briefly introduced, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0015] Figure 1 It is the overall structure schematic view of the utility model;

[0016] Figure 2 It is the lower structure schematic view of the protective plate of the utility model;

[0017] Figure 3 It is the structure schematic view between the buffer plate and the protective plate of the utility model;

[0018] Figure 4 It is the structure schematic view between the blocking leaf and the protective plate of the utility model.

[0019] In the figure: 1, the protection plate; 2, the buffer plate; 3, the buffer pad; 4, the guide block; 5, the buffer spring one; 6, the guide column; 7, the buffer spring two; 8, the guide slot one; 9, the heat dissipation hole; 10, the blocking leaf; 11, the guide slot two. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model will be further described in detail below with the help of drawings and examples.It should be understood that the specific examples described here are only used to explain the utility model and not to limit the utility model.

[0021] In order to make the person in the art better understand the utility model scheme, the technical scheme in the utility model example will be described clearly and completely below with the help of drawings.

[0022] It should be noted that the examples in the utility model and the features and technical schemes in the examples can be combined with each other without conflict.

[0023] It should be noted that: similar signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0024] Please refer to Figures 1-4 A battery lower protection plate assembly, including the protection plate 1, the periphery of the protection plate 1 is internally provided with connecting holes, the inner side of the connecting holes is connected with the battery box through bolts, the bottom end of the protection plate 1 is assembled with the buffer plate 2, the bottom end of the buffer plate 2 is fixedly provided with the buffer pad 3, the buffer pad 3 is made of elastic material, a buffer mechanism is arranged between the buffer plate 2 and the protection plate 1, the buffer mechanism includes the guide column 6, the guide block 4, the buffer spring one 5 and the buffer spring two 7, the bottom end of the protection plate 1 is internally provided with the guide slot one 8, the inner side of the guide slot one 8 is slidably connected with the guide block 4, the bottom end of the guide block 4 is fixedly connected with the buffer plate 2, the top end of the guide block 4 is fixedly provided with the buffer spring one 5, and the top end of the buffer spring one 5 is fixedly connected with the protection plate 1.

[0025] In use, the protection plate 1 is installed under the battery box of the automobile chassis through bolts, so as to protect the battery, and the existing protection plate is relatively single, so when the automobile chassis collides with the ground, the ground collides with the buffer pad 3 at this time, the buffer pad 3 drives the buffer plate 2 to impact the protection plate 1, the buffer plate 2 drives the guide block 4 to slide along the inner side of the guide slot one 8, the buffer spring one 5 effectively buffers and protects the protection plate 1, and the protection plate 1 buffers and protects the battery box, so as to gradually consume the impact energy.

[0026] The periphery of the inner bottom end of the protection plate 1 is provided with a plurality of guide grooves two 11, the inner side of the guide grooves two 11 is slidably connected with a guide column 6, the bottom end of the guide column 6 is fixed with the buffer plate 2, the inner side of the guide grooves two 11 is assembled with a buffer spring two 7, the top end of the buffer spring two 7 is fixed with the protection plate 1, and the bottom end of the buffer spring two 7 is fixed with the guide column 6;

[0027] When the buffer pad 3 drives the buffer plate 2 and the guide block 4 to extrude and buffer the buffer spring one 5 along the guide groove one 8, at this time, the buffer plate 2 drives the guide column 6 to synchronously extrude and buffer the buffer spring two 7 along the inside of the guide groove two 11, and the elasticity of the buffer spring two 7 and the buffer spring one 5 effectively reduces the force generated by the impact of the ground on the buffer pad 3, thereby effectively protecting the protection plate 1 and the battery box;

[0028] The inside of the protection plate 1 is provided with a plurality of heat dissipation holes 9, the inner side of the heat dissipation holes 9 is fixed with a plurality of blocking leaves 10, the plurality of blocking leaves 10 are fixed with the protection plate 1 in a staggered manner, an S-shaped air hole is formed between the plurality of blocking leaves 10, thereby effectively preventing the soil on the ground from being thrown to the bottom end of the battery box along the inner side of the heat dissipation hole 9, thereby being inconvenient to clean, and the plurality of blocking leaves 10 are staggered and crossed with each other, effectively preventing the soil from being thrown to the bottom end of the battery box, and not affecting the heat dissipation of the battery box.

[0029] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A battery under-shield assembly, characterized by, The application relates to a protective plate (1), the bottom end of the protective plate (1) is equipped with a buffer plate (2), the bottom end of the buffer plate (2) is fixedly provided with a buffer pad (3), a buffer mechanism is arranged between the buffer plate (2) and the protective plate (1), the buffer mechanism comprises guide columns (6), guide blocks (4), buffer springs I (5) and buffer springs II (7), a guide groove I (8) is formed in the bottom end of the protective plate (1), the guide blocks (4) are slidably connected to the inner side of the guide groove I (8), the bottom end of the guide blocks (4) is fixed to the buffer plate (2), the top end of the guide blocks (4) is fixedly provided with the buffer springs I (5), and the top end of the buffer springs I (5) is fixed to the protective plate (1).

2. A battery under-shield assembly as defined in claim 1, wherein, A plurality of guide grooves II (11) are formed around the bottom end of the protective plate (1), the guide columns (6) are slidably connected to the inner side of the guide grooves II (11), and the bottom end of the guide columns (6) is fixed to the buffer plate (2).

3. A battery under-shield assembly according to claim 2, wherein, The buffer springs II (7) are arranged on the inner side of the guide grooves II (11), the top end of the buffer springs II (7) is fixed to the protective plate (1), and the bottom end of the buffer springs II (7) is fixed to the guide columns (6).

4. A battery under-shield assembly as defined in claim 3, wherein, A plurality of heat dissipation holes (9) are formed in the protective plate (1), the heat dissipation holes (9) are fixedly provided with a plurality of blocking leaves (10), and the blocking leaves (10) are fixed to the protective plate (1) in a staggered mode.

5. A battery under-shield assembly as defined in claim 3, wherein, A plurality of connecting holes are formed around the protective plate (1), and the connecting holes are connected to a battery box through bolts.

6. A battery under-shield assembly as defined in claim 2, wherein, The buffer pad (3) is made of elastic material.