Lower protective plate of battery
By designing grooves, maintenance slots, and multiple slot structures on the lower battery guard plate, combined with protective mesh and reinforcing ribs, the problems of easy damage and poor heat dissipation of the lower battery guard plate are solved, achieving a balance between protection and heat dissipation of the battery pack.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-03-27
AI Technical Summary
The existing battery bottom cover is prone to damage to the battery pack casing due to deformation after installation, and the slot is easy for foreign objects to damage the battery pack, while also affecting the heat dissipation effect.
The main body of the protective plate is designed with grooves, maintenance slots and multiple sets of slots. Combined with the protective net and reinforcing rib structure, it forms a buffer, heat dissipation and protection function, and the maintenance cover can be removed for maintenance.
It effectively protects the battery pack, avoids direct damage from external forces, maintains normal heat dissipation, prevents foreign object intrusion, and is easy to maintain.
Smart Images

Figure CN224053305U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to battery protection technical field, concretely is battery lower guard plate. BACKGROUND
[0002] Batteries can be classified according to different standards, for example, by energy source into chemical batteries, physical batteries and biological batteries. Batteries are widely used, from portable electronic devices to electric vehicles, from home energy storage systems to solar power systems, and batteries are an indispensable energy supply method. The battery lower guard plate is an important physical barrier to protect the battery pack safety.
[0003] The existing lower guard plate is attached between the guard plate main body structure and the battery pack shell after installation, when external force acts on the lower guard plate, the lower guard plate is deformed and easy to damage the battery pack shell, a plurality of notches are usually formed on the lower guard plate for heat dissipation, and foreign matters are easy to damage the battery pack through the notches. UTILITY MODEL CONTENTS
[0004] The utility model discloses a battery lower guard plate to solve the problems in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a battery lower guard plate, including the guard plate main body, install the edge on the guard plate main body, the guard plate main body includes the recess, the maintenance slot is seted up on the guard plate main body, the maintenance cover is installed at the maintenance slot, a plurality of first notches are formed on the guard plate main body, the second notch and the third notch are formed on the side surface of the guard plate main body, and the first notch, the second notch and the third notch are all fixed with the protective net.
[0006] Among them, the connecting screw hole is formed at the corner of the maintenance slot, and the maintenance cover and the guard plate main body are fixedly connected through the fixed screw.
[0007] Among them, a plurality of installation holes are formed on the installation edge.
[0008] Among them, a plurality of first reinforcing ribs are arranged on the outer side surface of the guard plate main body.
[0009] Among them, a plurality of second reinforcing ribs are arranged on the outer side surface of the guard plate main body.
[0010] Among them, a plurality of first reinforcing ribs and a plurality of second reinforcing ribs are arranged in a cross mode.
[0011] Among them, a plurality of first reinforcing ribs and a plurality of second reinforcing ribs are all stamped into shape.
[0012] Among them, the second notch is provided with two groups, and the two groups of second notches are respectively located on the two side surfaces of the guard plate main body.
[0013] The third notches are arranged in two groups, and the two groups of the third notches are respectively arranged on the other two side surfaces of the guard plate body.
[0014] Compared with the prior art, the utility model has the advantages of:
[0015] 1、The recess structure forms an avoiding groove, and the existence of the recess makes a certain gap exist between the guard plate body and the battery pack base body, and buffering is relied on the gap, when the guard plate body is deformed by external force, the external force will not directly act on the battery pack base body, so as to realize the protection of the battery pack base body, and enough gap is reserved to avoid scratching the battery pack base body.
[0016] 2、The first notch, the second notch and the third notch jointly form a heat dissipation groove structure, normal heat dissipation is carried out through the heat dissipation groove structure, and the normal heat dissipation of the battery pack is not affected when the guard plate body protects the battery pack.
[0017] 3、The utility model adds the protective net in the inner side of the first notch, the second notch and the third notch, prevents the foreign matter from damaging the battery pack through the notch structure without affecting the heat dissipation of the notch, and improves the protection effect of the battery pack.
[0018] 4、The maintenance cover of the utility model is detachable, when the battery pack needs to be maintained, the battery pack can be maintained through the maintenance groove, the whole guard plate body does not need to be disassembled, the operation is convenient, and the battery pack maintenance operation is facilitated. DRAWINGS
[0019] Figure 1 It is a side view structure schematic diagram of the utility model;
[0020] Figure 2 It is another side view structure schematic diagram of the utility model;
[0021] Figure 3 It is Figure 2 The local enlarged view of A area in the middle;
[0022] Figure 4 It is the structure schematic diagram of the utility model after removing the maintenance cover and the protective net.
[0023] In the drawing: 1, guard plate body; 2, installation edge; 3, maintenance groove; 4, maintenance cover; 5, first notch; 6, second notch; 7, third notch; 8, protective net; 9, fixed screw; 11, recess; 12, first reinforcing rib; 13, second reinforcing rib; 21, mounting hole; 31, connecting screw hole. CONCRETE IMPLEMENTING METHOD
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than 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.
[0025] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: battery lower apron, including apron main body 1, installation edge 2 is provided on apron main body 1, apron main body 1 includes recess 11, maintenance groove 3 is set on apron main body 1, maintenance cover 4 is installed at maintenance groove 3, a plurality of first slot 5 are set on apron main body 1, second slot 6 and third slot 7 are set on the side surface of apron main body 1, protective net 8 is fixedly arranged in first slot 5, second slot 6 and third slot 7.
[0026] A plurality of installation holes 21 on installation edge 2 are aligned with installation position, when installing apron main body 1, installation edge 2 of apron main body 1 is aligned with installation position, tighten screw one by one, ensure firm installation without loosening, and the recess 11 structure of apron main body 1 after installation forms a relief groove, the existence of recess 11 makes there be a certain gap between apron main body 1 and battery pack base body, and buffering is relied on the gap, when apron main body 1 is deformed by external force, external force will not act directly on battery pack base body, so as to realize the protection of battery pack base body, and enough gap is reserved to avoid scratching battery pack base body.
[0027] First slot 5, second slot 6 and third slot 7 on apron main body 1 form a heat dissipation groove structure together, normal heat dissipation is carried out through the heat dissipation groove structure, and the normal heat dissipation of battery pack is not affected when apron main body 1 protects battery pack.
[0028] Protective net 8 is additionally arranged on the inner side of first slot 5, second slot 6 and third slot 7, protection is carried out through protective net 8, to prevent foreign matters from contacting battery pack structure through first slot 5, second slot 6 and third slot 7, without affecting the heat dissipation of slot, at the same time, prevent foreign matters from damaging battery pack through slot structure, improve the protection effect of battery pack.
[0029] Among them, connecting screw hole 31 is set at the corner of maintenance groove 3, and maintenance cover 4 is fixedly connected with apron main body 1 by fixing screw 9.
[0030] The maintenance groove 3 is arranged on the guard body 1, the opening position of the maintenance groove 3 can be set according to actual use requirements, and the maintenance groove 3 and the maintenance cover 4 are detachably connected. When the battery pack needs to be maintained, the maintenance cover 4 is removed, and the specified position of the battery pack is exposed through the maintenance groove 3. At this time, the battery pack can be maintained through the maintenance groove 3. The setting of the maintenance groove 3 makes it unnecessary to disassemble the whole guard body 1 when the battery pack is maintained, which is convenient for operation and beneficial to the maintenance of the battery pack.
[0031] A plurality of installation holes 21 are arranged on the installation edge 2.
[0032] The opening positions of the plurality of installation holes 21 can be set according to actual use requirements, so that the plurality of installation holes 21 on the installation edge 2 are arranged in alignment with the installation positions. The guard body 1 is installed and fixed by using screws through the plurality of installation holes 21, which is convenient for the installation and disassembly of the guard body 1.
[0033] A plurality of first reinforcing ribs 12 are arranged on the outer side of the guard body 1. The plurality of first reinforcing ribs 12 improve the structural strength of the guard body 1, so that the guard body 1 can withstand a certain impact force and is not easy to deform and damage, thereby improving the protection effect of the guard body 1.
[0034] A plurality of second reinforcing ribs 13 are arranged on the outer side of the guard body 1. The plurality of second reinforcing ribs 13 improve the structural strength of the guard body 1, so that the guard body 1 can withstand a certain impact force and is not easy to deform and damage, thereby improving the protection effect of the guard body 1.
[0035] The plurality of first reinforcing ribs 12 and the plurality of second reinforcing ribs 13 are arranged in cross, which improves the overall structural strength and stability of the guard body 1, thereby improving the protection effect of the guard body 1.
[0036] The plurality of first reinforcing ribs 12 and the plurality of second reinforcing ribs 13 are stamped and formed, which improves the structural strength of the guard body 1 without increasing the amount of material and the weight of the overall guard body 1, and saves production cost.
[0037] Two groups of second notches 6 are arranged on the two side surfaces of the guard body 1.
[0038] Two groups of third notches 7 are arranged on the other two side surfaces of the guard body 1. The second notches 6 and the third notches 7 on the side surfaces of the guard body 1 form air flow channels, so as to ensure the heat dissipation performance of the guard body 1. After the guard body 1 is assembled at the lower part of the battery pack, the guard body 1 does not affect the normal heat dissipation of the battery pack.
[0039] Working principle: in use, install the guard plate body 1, the multiple groups of installation holes 21 on the installation edge 2 of the guard plate body 1 are aligned with the installation position, fasten the screw one by one, ensure that the installation is firm and not loose, after installation, the recess 11 structure of the guard plate body 1 forms an avoiding groove, the existence of the recess 11 makes there be a certain gap between the guard plate body 1 and the battery pack base body, buffering is relied on the gap, when the guard plate body 1 is deformed by external force, the external force will not directly act on the battery pack base body, so as to realize the protection of the battery pack base body, the first notch 5, the second notch 6 and the third notch 7 on the guard plate body 1 jointly form a heat dissipation groove structure, when the guard plate body 1 protects the battery pack, it will not affect the normal heat dissipation of the battery pack, the protective net 8 is additionally arranged on the inner side of the first notch 5, the second notch 6 and the third notch 7, without affecting the heat dissipation of the notch, prevent foreign matters from damaging the battery pack through the notch structure, improve the protection effect of the battery pack, the multiple groups of first reinforcing ribs 12 and the multiple groups of second reinforcing ribs 13 improve the structural strength of the guard plate body 1, so that the guard plate body 1 can bear a certain impact force, and is not easy to deform and damage, when the battery pack needs to be maintained, the maintenance cover 4 is disassembled, the specified position of the battery pack is exposed through the maintenance groove 3, at this time, the battery pack can be maintained through the maintenance groove 3.
[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A battery under shield comprising a shield body (1), characterized in that: The mounting edge (2) is arranged on the guard plate body (1), the guard plate body (1) comprises a recess (11), the maintenance groove (3) is formed on the guard plate body (1), the maintenance cover (4) is arranged on the maintenance groove (3), a plurality of first notches (5) are formed on the guard plate body (1), the second notch (6) and the third notch (7) are formed on the side surface of the guard plate body (1), and the protective net (8) is fixedly arranged in the first notch (5), the second notch (6) and the third notch (7).
2. The under-battery shield of claim 1, wherein: Connecting screw holes (31) are formed at the corners of the maintenance groove (3), and the maintenance cover (4) and the guard plate body (1) are fixedly connected through the fixing screws (9).
3. The under-battery shield of claim 1, wherein: A plurality of mounting holes (21) are formed on the mounting edge (2).
4. The under-battery shield of claim 1, wherein: A plurality of first reinforcing ribs (12) are arranged on the outer side surface of the guard plate body (1).
5. The under-battery shield of claim 4, wherein: A plurality of second reinforcing ribs (13) are arranged on the outer side surface of the guard plate body (1).
6. The under-battery shield of claim 5, wherein: A plurality of first reinforcing ribs (12) and a plurality of second reinforcing ribs (13) are arranged in a cross mode.
7. The under-battery shield of claim 6, wherein: A plurality of first reinforcing ribs (12) and a plurality of second reinforcing ribs (13) are stamped and formed.
8. The under-battery shield of claim 1, wherein: The second notch (6) is provided with two groups, and the two groups of second notches (6) are respectively arranged on the two side surfaces of the guard plate body (1).
9. The under-battery shield of claim 1, wherein: The third notch (7) is provided with two groups, and the two groups of third notches (7) are respectively arranged on the other two side surfaces of the guard plate body (1).