A paper bottom support for power battery packaging

Abstract

The application relates to a paper bottom support for power battery packaging, which comprises a bottom plate, a surrounding plate, a partition plate and a first baffle; the surrounding plate is arranged on the outer side edge of the bottom plate, the surrounding plate is provided with a first slot, the partition plate is arranged in the first slot, the partition plate, the surrounding plate and the bottom plate form a limiting groove, the limiting groove is used for containing batteries, the partition plate is provided with a second slot, the first baffle is inserted into the second slot, and the first baffle is in abutment with the top of the battery; the bottom plate, the surrounding plate, the partition plate and the first baffle are all paper plates. The baffle is inserted into the partition plate through the second slot and is in direct abutment with the top of the battery, so that the up-and-down displacement of the battery during transportation can be avoided, and the stability of the battery packaging is improved.

Description

Technical Field

[0001] This application relates to the field of packaging technology, and in particular to a paper base tray for power battery packaging. Background Technology

[0002] With the rapid development of the new energy vehicle industry, the demand for large-scale production and transportation of power batteries has surged. In the field of battery packaging, traditional transport trays are generally made of plastic (such as injection-molded pallets). Although they have good structural strength and moisture resistance, they also have problems such as non-degradability, high recycling costs, and serious environmental pollution. Against the backdrop of promoting "green packaging" globally, recyclable and biodegradable paper materials have become an important development direction for power battery packaging trays.

[0003] Currently, the industry widely uses grid paper trays to package power batteries. These trays consist of a tray body with a battery slot at the top for holding the batteries. The tray bodies can be stacked, with the bottom of the upper tray body restraining the batteries in the battery slots of the lower tray. Multiple trays of this type can be nested and stacked, significantly increasing the number of batteries that can be transported.

[0004] However, this type of packaging structure is prone to battery detachment from the battery compartment due to vibration during transportation, which in turn affects the stability of the battery packaging. Utility Model Content

[0005] To improve the stability of battery packaging, this application provides a paper base tray for power battery packaging.

[0006] The paper base tray for power battery packaging provided in this application adopts the following technical solution:

[0007] A paper base tray for power battery packaging includes a base plate, a surrounding plate, a partition, and a first baffle. The surrounding plate surrounds the outer edge of the base plate and has a first slot. The partition is disposed in the first slot, and the partition, the surrounding plate, and the base plate together form a limiting groove for holding the battery. The top of the partition has a second slot, and the first baffle is inserted into the second slot, abutting against the top of the battery. The base plate, the surrounding plate, the partition, and the first baffle are all made of cardboard.

[0008] By adopting the above technical solution, the base plate supports the weight of the battery, while the side panels and separators are inserted through the first slot to form a limiting groove, restraining the horizontal movement of the battery and preventing collisions during transportation. The baffle is inserted through the second slot and directly abuts against the top of the battery, forming crucial upward pressure to prevent vertical displacement of the battery during transportation, reducing the risk of battery damage and thus improving the stability of the battery packaging. Furthermore, the base plate, side panels, separators, and baffles are all made of cardboard, which ensures lightweight design while providing sufficient support strength and meeting environmental protection requirements.

[0009] Optionally, the lower end of the first baffle is provided with a plurality of protrusions, the protrusions are inserted into the second slot, and a groove is formed between two adjacent protrusions, the groove abutting against the top of the battery.

[0010] By adopting the above technical solution, the baffle is inserted into the second slot through multiple protrusions to form a distributed pressure point, which can effectively suppress the vertical vibration transmission and ensure that the groove always abuts against the top of the battery, further preventing the battery from moving up and down.

[0011] Optionally, the top of the enclosure is provided with a locking block, and the bottom of the base plate has a corresponding slot that matches the locking block.

[0012] By adopting the above technical solution, after the card block is embedded in the lower card slot, a mechanical interlocking structure on the side wall can be formed, which avoids the lateral displacement and vibration of the upper base tray during transportation, thereby improving the overall stability of the base tray structure in the stacked state.

[0013] Optionally, the cardboard is multi-layer corrugated cardboard.

[0014] By adopting the above technical solutions, corrugated cardboard can form a natural "micro-arch bridge" structure, which can improve the strength of the bottom support structure and help the bottom support withstand greater stacking loads.

[0015] Optionally, the top of the enclosure is provided with a third slot, and the first baffle is inserted into the second and third slots.

[0016] By adopting the above technical solution, the first baffle is inserted into the second and third slots, which can form a rigid constraint, improve the bending stiffness of the first baffle, and thus reduce the deformation caused by transportation vibration or stacking.

[0017] Optionally, the limiting groove is provided with a support part, which includes a plurality of first support plates and second support plates, the first support plates and second support plates being arranged crosswise, and the support part being used to support the battery.

[0018] By adopting the above technical solution, the horizontal and vertical plates form a rigid grid structure, which can improve the support strength of the battery. In addition, the grid-like support can form an air channel at the bottom of the battery, accelerating the heat dissipation from the bottom of the battery and avoiding local overheating during transportation.

[0019] Optionally, the second slot includes a fixing slot and an insertion slot, the fixing slot and the insertion slot being connected, and the first baffle being disposed in the fixing slot.

[0020] By adopting the above technical solution, the insertion slot serves as a guide channel, allowing the baffle to slide laterally into the fixing slot; the fixing slot, as the main support structure of the first baffle, can provide vertical limiting for the baffle, preventing the baffle from coming out and further avoiding vertical movement during battery transportation.

[0021] Optionally, the insertion slot is provided with a second baffle.

[0022] By adopting the above technical solution, the second baffle and the first baffle can form a double limit to suppress battery shaking; at the same time, the second baffle can also form a lateral limit on the first baffle to prevent the first baffle from slipping out of the insertion slot.

[0023] In summary, this application includes at least one of the following beneficial technical effects:

[0024] 1. The base plate supports the weight of the battery, while the side panels and separators are inserted through the first slot to form a limiting groove, restricting the horizontal movement of the battery and preventing collisions during transportation. The baffle is inserted through the second slot, directly abutting against the top of the battery to create crucial upward pressure, preventing vertical displacement of the battery during transportation, reducing the risk of battery damage, and thus improving the stability of the battery packaging. Furthermore, the base plate, side panels, separators, and baffles are all made of cardboard, ensuring lightweight construction while providing sufficient support strength and meeting environmental protection requirements.

[0025] 2. By inserting multiple protrusions in the baffle into the second slot, a distributed pressure point is formed, which can effectively suppress the transmission of vertical vibration and ensure that the groove always abuts against the top of the battery, further preventing the battery from moving up and down;

[0026] 3. After the card block is embedded into the lower card slot, a mechanical interlocking structure can be formed on the side wall to prevent the lateral displacement and vibration of the upper base tray during transportation, thereby improving the overall stability of the base tray structure in the stacked state;

[0027] 4. The insertion slot serves as a guide channel, allowing the baffle to slide laterally into the fixing slot; the fixing slot, as the main support structure for the first baffle, provides vertical restraint for the baffle, preventing it from coming off and further avoiding vertical movement during battery transportation. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application;

[0029] Figure 2 This is an exploded structural diagram of an embodiment of this application;

[0030] Figure 3 This is a schematic diagram of the left cross-sectional structure according to an embodiment of this application;

[0031] Figure 4This is a front sectional view of an embodiment of this application;

[0032] Figure 5 This is a schematic diagram of the partition structure according to an embodiment of this application;

[0033] Figure 6 This is a schematic diagram of the structure of the support part according to an embodiment of this application;

[0034] Figure 7 This is a cross-sectional structural diagram of the stacked base trays according to an embodiment of this application.

[0035] Explanation of reference numerals in the attached drawings: 1. Base plate; 11. Slot; 2. Enclosure plate; 21. First slot; 22. Limiting slot; 221. Support part; 2211. First support plate; 2212. Second support plate; 23. Block; 24. Third slot; 3. Partition plate; 31. Second slot; 311. Fixing slot; 312. Insertion slot; 313. Second baffle; 4. First baffle; 41. Protrusion; 42. Groove. Detailed Implementation

[0036] The following is in conjunction with the appendix Figure 1 -Appendix Figure 7 This application will be described in further detail below.

[0037] This application discloses a paper base tray for power battery packaging, referring to... Figures 1-2 The battery assembly includes a base plate 1, a surrounding plate 2, a partition plate 3, and a first baffle plate 4. The surrounding plate 2 is a square frame with four side walls. It surrounds the outer edge of the base plate 1 and has a first slot 21. The partition plate 3, together with the surrounding plate 2 and the base plate 1, forms a limiting groove 22. This groove 22 holds the battery and, through the partition plate 3 and the surrounding plate 2, provides a horizontal limit to prevent horizontal movement of the battery during transport. The tops of both the surrounding plate 2 and the partition plate 3 have corresponding second slots 31. The first baffle plate 4 is inserted into the second slots 31 on the partition plate 3, and the first baffle plate 4 and the partition plate 3 are arranged crosswise. The bottom of the first baffle plate 4 abuts against the top of the battery to prevent vertical movement during transport. The base plate 1, surrounding plate 2, partition plate 3, and first baffle plate 4 are all made of cardboard, meeting environmental protection requirements.

[0038] In this embodiment, multiple partitions 3 are evenly arranged side-by-side within the enclosure 2. The number of first slots 21 is twice the number of partitions 3, allowing the two ends of the partitions 3 to be inserted into the enclosure 2, thus dividing the area within the enclosure 2 into multiple different regions. The bottoms of all partitions 3 abut against the base plate 1, and the bottoms of the partitions 3 and the base plate 1 are bonded together with adhesive to prevent deformation of the bottoms of the partitions 3 during transportation. As one specific implementation of this embodiment, the bottoms of the partitions 3 and the base plate 1 can also be connected via slots, satisfying the requirement of connecting the partitions 3 and the base plate 1.

[0039] Reference Figure 2Specifically, the lower end of the first baffle 4 is provided with a protrusion 41, which is inserted into the second slot 31. The protrusion 41 is in close contact with the inner wall of the partition 3 and the surrounding plate 2. Through the static friction between the protrusion 41 and the partition 3 and the surrounding plate 2, the lateral displacement and vibration of the upper bottom tray are prevented during transportation. A groove 42 is formed between two adjacent protrusions 41. The bottom of the groove 42 abuts against the top of the battery, further restricting the vertical movement of the battery.

[0040] As one embodiment of this application, the base plate 1, the surrounding plate 2, the partition plate 3 and the first baffle plate 4 are all multi-layer corrugated cardboard. The corrugated cardboard can form a natural "micro-arch bridge" structure, which improves the strength of the base support structure.

[0041] Reference Figure 3 , Figure 7 Specifically, the top of the enclosure 2 is provided with a locking block 23, and the bottom of the base plate 1 is provided with a corresponding slot 11 that matches the locking block 23. When the base trays are stacked, the locking block 23 can be embedded into the slot 11 to prevent the upper base tray from being displaced laterally or dislodged by vibration during transportation.

[0042] Reference Figure 1-2 Specifically, the top of the enclosure 2 is provided with a third slot 24, and the first baffle 4 is inserted into the second slot 31 and the third slot 24, which can improve the bending stiffness at both ends of the first baffle 4, thereby reducing the deformation caused by transportation vibration or stacking.

[0043] Reference Figure 4-5 Specifically, the second slot 31 includes a fixing slot 311 and an insertion slot 312, with their bottoms connected. The insertion slot 312 serves as a guide channel, allowing the first baffle 4 to be inserted into the partition 3 via the insertion slot 312 and to move horizontally into the fixing slot 311. The upper part of the fixing slot 311 is a portion of the partition 3, which can limit the vertical movement of the first baffle 4, preventing it from detaching from the second slot 31.

[0044] Refer to 3 and Figure 4 Furthermore, the second slot 31 is provided with a second baffle 313, which can laterally limit the first baffle 4 to prevent the first baffle 4 from coming out of the second slot 31.

[0045] In this embodiment, the structure of the second baffle 313 is the same as that of the first baffle 4, and a single second baffle 313 is inserted into the second slot 31 and the third slot 24. As one specific implementation of this embodiment, the second baffle 313 can also be a square block, with a second baffle 313 inserted into the second slot 31 of each partition 3, and a second baffle 313 also inserted into the third slot 24 of the surrounding plate 2, so as to limit the first baffle 4.

[0046] Reference Figure 6Furthermore, the bottom of the limiting groove 22 is provided with a support portion 221 to improve the support for the battery. The support portion 221 includes multiple first support plates 2211 and second support plates 2212, which are arranged perpendicularly to form a grid structure. Placing the battery on the support portion 221 can improve the support strength for the battery. At the same time, the grid-like support portion 221 can form an air channel at the bottom of the battery, accelerating the heat dissipation from the bottom of the battery and avoiding local overheating during transportation.

[0047] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims

1. A paper base tray for power battery packaging, characterized in that, It includes a base plate (1), a surrounding plate (2), a partition plate (3), and a first baffle plate (4); The enclosure (2) is set around the outer edge of the base plate (1). The enclosure (2) is provided with a first slot (21). The partition (3) is set in the first slot (21). The partition (3), the enclosure (2), and the base plate (1) form a limiting groove (22). The limiting groove (22) is used to hold the battery. The partition (3) is provided with a second slot (31). The first baffle (4) is inserted into the second slot (31). The first baffle (4) abuts against the top of the battery. The base plate (1), enclosure (2), partition (3), and first baffle (4) are all made of cardboard.

2. The paper base tray for power battery packaging according to claim 1, characterized in that, The lower end of the first baffle (4) is provided with a plurality of protrusions (41), the protrusions (41) are inserted into the second slot (31), and a groove (42) is formed between two adjacent protrusions (41), the groove (42) abuts against the top of the battery.

3. The paper base tray for power battery packaging according to claim 1, characterized in that, The top of the enclosure (2) is provided with multiple card blocks (23), and the bottom of the base plate (1) is provided with a corresponding card slot (11) that matches the card blocks (23).

4. The paper base tray for power battery packaging according to claim 1, characterized in that, The cardboard is multi-layer corrugated cardboard.

5. A paper base tray for power battery packaging according to claim 1, characterized in that, The enclosure (2) is provided with a third slot (24), and the first baffle (4) is inserted into the second slot (31) and the third slot (24).

6. A paper base tray for power battery packaging according to claim 1, characterized in that, The limiting groove (22) is provided with a support part (221), which includes a plurality of first support plates (2211) and second support plates (2212). The first support plates (2211) and second support plates (2212) are arranged crosswise, and the support part (221) is used to support the battery.

7. A paper base tray for power battery packaging according to claim 1, characterized in that, The second slot (31) includes a fixing slot (311) and an insertion slot (312), the fixing slot (311) and the insertion slot (312) are connected, and the first baffle (4) is disposed in the fixing slot (311).

8. A paper base tray for power battery packaging according to claim 7, characterized in that, The second slot (31) is provided with a second baffle (313).

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