Novel electric carrier battery pack

By designing a new electric transport vehicle battery pack, adopting a combined structure of the battery case, the upper cover and lower case of the battery, and setting up an EVA foam inside it, the problems of complex assembly and insufficient stability of the existing electric transport vehicle battery pack are solved, and a simpler assembly process and higher cell module stability are achieved.

CN222914997UActive Publication Date: 2025-05-27GUOXUAN NEW ENERGY SUZHOU CO LTD
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Patent Information

Application Number
CN202421168888.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-27
Publication Date
2025-05-27
Estimated Expiration
2034-05-27

AI Technical Summary

Technical Problem

The existing electric transport truck battery packs are complex in the assembly process and require multiple processes to ensure the stability of the battery cell module.

Method used

A new electric transport vehicle battery pack is designed, adopting a combined structure of the battery case, the upper cover and lower case of the battery, and the lifting handle, rubber pad, plug-in, limit strip, reinforcement rib, protective plate slot and EVA foam are installed to simplify the assembly process and improve the stability of the battery cell module.

Benefits of technology

By simplifying the assembly process and increasing the support function of EVA foam, the stability and shock resistance of the battery cell module are improved, and the service life of the battery pack is extended.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222914997U_ABST
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Abstract

The utility model relates to the technical field of battery packs, in particular to a novel battery pack of an electric carrier. The battery comprises a battery shell and a battery module arranged in the battery shell, the battery shell comprises an upper battery cover and a lower battery shell, a groove is formed in the outer side edge of the upper battery cover, plug holes used for matched fixed installation are formed in the periphery of the upper battery cover, a plug connector is arranged in the groove, and the plug connector is connected with the upper battery cover. The plug connector is embedded in the surface of the battery shell, EVA foam is further arranged on the periphery of the battery cell module, and two poles of the battery module are transversely arranged in the battery shell. Compared with the prior art, the battery has the beneficial effects that the electrode ends of the battery cell modules are transversely arranged in the technical scheme, so that the battery is convenient to mount after being assembled, meanwhile, the battery shell is provided with a plurality of groove bodies and EVA foam, and the EVA foam is used for supporting the inner wall of the shell, so that the stability of the battery cell modules is ensured, the battery has an anti-seismic effect, and the service life of the internal battery cell modules is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of battery packs, in particular to a new type of battery pack for an electric forklift truck. Background Art

[0002] With the rise of e-commerce and the increasing demand for logistics, the requirements for the operation efficiency of handling, sorting, warehousing, etc. are also increasing day by day, which provides opportunities for the wide application of electric forklift trucks. The demand for energy-saving and environmental protection handling equipment in various industrial fields, logistics warehousing, retail and other industries will continue to grow, and electric forklift trucks are expected to gain a larger market share in these fields. Electric forklift trucks do not produce exhaust emissions and use electric energy instead of fuel, which is conducive to reducing air pollution and carbon emissions and meets the requirements of modern environmental protection.

[0003] In the prior art, the assembly of the battery cell module is relatively complex. It needs to be placed in cooperation with the wire harness, and at the same time, it is necessary to ensure the support of the internal battery cell module to ensure stability. Therefore, multiple processes are required.

[0004] Therefore, it is necessary to design a new type of battery pack for an electric forklift truck to solve the above problems. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a new type of battery pack for an electric forklift truck to overcome the above-mentioned deficiencies existing in the current prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A new type of battery pack for an electric forklift truck, which includes a battery housing and a battery module placed in the battery housing. It is characterized in that: a handle is arranged on the top of the battery housing, a rubber pad is arranged at the bottom of the battery housing, the battery housing includes a battery upper cover and a battery lower case, a groove is opened on the outer side edge of the battery upper cover, plug holes for cooperative fixed installation are arranged around the battery upper cover, a plug-in member is arranged in the groove, the plug-in member is embedded on the surface of the battery housing, limiting strips are arranged on the side edges of both the battery upper cover and the battery lower case, reinforcing ribs are arranged on the inner walls of the battery upper cover and the battery lower case, a protection plate slot is opened on the bottom surface of the battery lower case, a protection block protrudes inward at the protection plate slot, mounting holes corresponding to the plug holes of the battery upper cover are further arranged around the battery lower case, and the plug holes and the mounting holes are arranged in one-to-one correspondence. EVA foam is further arranged around the battery cell module. The two poles of the battery module are horizontally arranged in the battery housing. It includes a battery bracket, a number of battery cells installed in cooperation with the battery bracket, insulating sheets respectively arranged at the ends of the battery bracket, a battery protection plate is arranged on the side of the battery cell, and the battery protection plate is snapped into the protection plate slot.

[0008] Preferably, a posting groove is further provided on the outer side of the battery upper cover, and a wiring harness space is also provided in the battery upper cover.

[0009] Preferably, mounting holes corresponding to the insertion holes of the battery upper cover are further provided around the battery lower case, and the insertion holes are arranged in one-to-one correspondence with the mounting holes.

[0010] Preferably, the two poles of the battery cell are horizontally arranged in the battery housing, and the two ends of the battery cell are correspondingly arranged on the left and right sides of the battery housing. A battery cell mounting groove is provided on the battery bracket at the electrode end of the battery cell, and a wiring harness limiting groove and a wiring groove are provided at the top of the battery bracket.

[0011] The beneficial effects of the present utility model are as follows: In this technical solution, the electrode ends of the battery cell module are horizontally arranged, which is convenient for installation after assembly. At the same time, several grooves are provided on the battery housing in cooperation with EVA foam. The EVA foam supports the inner wall of the housing, ensuring the stability of the battery cell module. At the same time, the EVA foam has flexibility, so it has an anti-seismic effect and ensures the service life of the internal battery cell module. Description of the Drawings

[0012] Figure 1 is a schematic structural diagram of a battery pack of a new type of electric forklift of the present utility model;

[0013] Figure 2 is an exploded view of a battery pack of a new type of electric forklift of the present utility model;

[0014] In the figure: 1. Battery housing; 11. Handle; 14. Rubber pad; 12. Battery upper cover; 13. Battery lower case; 121. Groove; 122. Insertion hole; 123. Posting groove; 2. Connector; 131. Limiting strip; 132. Reinforcing rib; 1311. Protection board slot; 1312. Protection block; 1313. Mounting hole; 3. Battery bracket; 4. Battery cell; 5. Insulating sheet; 41. Wiring harness limiting groove; 42. Wiring groove; 6. Battery protection board; 8. EVA foam. Detailed Embodiments

[0015] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0016] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0017] Referring to Figures 1 to 2 , a battery pack for a new type of electric forklift, which includes a battery housing 1 and a battery module placed inside the battery housing;

[0018] A lifting handle 11 is provided at the top of the battery housing 1, and a rubber pad 14 is provided at the bottom of the battery housing. The rubber pad improves the seismic resistance of the internal battery components and plays a role in anti-slip for the battery housing. The battery housing includes a battery upper cover 12 and a battery lower shell 13.

[0019] A groove 121 is provided on the outer side edge of the battery upper cover 12, and plug holes 122 for fitting and fixing are provided around the battery upper cover. A posting groove 123 is also provided on the outer side of the battery upper cover 12. Nameplates, warning signs, etc. can be posted in the posting groove; the housing material of the battery upper cover 12 uses PC + ABS, meeting the requirements of V0 grade. The overall structure is reliable and the performance is excellent;

[0020] A plug-in part 2 is provided in the groove 121. The plug-in part 2 is embedded in the battery housing, so as to ensure that it will not protrude. Thus, during the handling and plugging process, it will not touch other places, increasing safety. The plug-in part 2 is used to connect with the forklift and is connected to the internal battery module;

[0021] In order to facilitate the routing and installation of the wiring harness, a wiring harness space is also provided in the battery upper cover 12 to facilitate the placement of the wiring harness of the battery module.

[0022] Limit strips 131 are provided on the side edges of both the battery upper cover 12 and the battery lower shell 13, and reinforcing ribs 132 are provided on the inner walls of the battery upper cover and the battery lower shell. The strength of the entire housing is increased through the reinforcing ribs. At the same time, the reinforcing ribs are distributed in a cross structure and can also assist in heat dissipation;

[0023] A protection plate slot 1311 is formed on the bottom surface of the battery lower case 13. A protection block 1312 is provided and protrudes inward at the protection plate slot. Installation holes 1313 corresponding to the insertion holes 122 of the battery upper case 12 are further provided around the battery lower case 13. The battery upper case 12 and the battery lower case 13 are covered, and the insertion holes 122 are arranged corresponding to the installation holes 1313 and fixed by screws.

[0024] The battery module includes a battery bracket 3, a plurality of battery cells 4 installed in cooperation with the battery bracket, and insulating sheets 5 respectively arranged at the ends of the battery bracket. The two poles of the battery cell are horizontally arranged in the battery housing, and the two ends of the battery cell are correspondingly arranged on the left and right sides of the battery housing. The battery bracket is provided with a battery cell installation slot at the electrode end of the battery cell, which plays a role in fixing and isolating the battery cell, and the installation is completed by fastening. A wire harness limiting slot 41 and a wire routing slot 42 are provided at the top of the battery bracket for fixing and routing the wire harness of the battery cell. The wire harness and the acquisition wire harness are fixed on the bracket. The battery bracket is made of PC + ABS, meeting the requirements of V0 grade. The overall structure is reliable and the performance is excellent.

[0025] A pole piece for connecting the battery cells is further provided on the battery bracket 3, and parallel or series connection between the battery cells is achieved through the pole piece.

[0026] A battery protection plate 6 is provided on the side of the battery cell, and the battery protection plate is snapped into the protection plate slot 1311. The battery protection plate plays a role in managing and protecting the battery.

[0027] EVA foam 8 is further provided around the battery cell module. The inner wall of the outer shell is supported by the EVA foam to ensure the stability of the battery cell module. At the same time, the EVA foam has flexibility, so it has an earthquake-proof effect and ensures the service life of the internal battery cell module.

[0028] The beneficial effects of the present invention are as follows: In this technical solution, the electrode ends of the battery cell module are horizontally arranged, which is convenient for installation after assembly. At the same time, in cooperation with the battery housing, a plurality of grooves are provided, and EVA foam is provided. The inner wall of the outer shell is supported by the EVA foam to ensure the stability of the battery cell module. At the same time, the EVA foam has flexibility, so it has an earthquake-proof effect and ensures the service life of the internal battery cell module.

[0029] The above is only the preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. A novel battery pack for an electric transport vehicle, comprising a battery housing and a battery module placed in the battery housing, characterized in that: A carrying handle is arranged on the top of the battery shell, a rubber pad is arranged on the bottom of the battery shell, the battery shell comprises a battery upper cover and a battery lower shell, a groove is arranged on the outer side of the battery upper cover, plug holes for matching fixed installation are arranged around the battery upper cover, a plug connector is arranged in the groove, the plug connector is embedded in the surface of the battery shell, the sides of the battery upper cover and the battery lower shell are both provided with limit strips, reinforcing ribs are arranged on the inner walls of the battery upper cover and the battery lower shell, and a retaining strip is arranged on the bottom surface of the battery lower shell. A protective plate slot is provided, and a protective block is provided at the protective plate slot protruding inwardly. Mounting holes corresponding to the plug-in holes of the battery upper cover are also provided around the battery lower shell, and the plug-in holes are provided one-to-one with the mounting holes. EVA foam is also provided around the battery module. The two poles of the battery module are horizontally arranged in the battery shell, which includes a battery holder, a plurality of battery cells installed in conjunction with the battery holder, and insulating sheets respectively arranged at the ends of the battery holder. A battery protection plate is provided on the side of the battery cell, and the battery protection plate is inserted into the protection plate slot.

2. According to claim 1, a new type of electric transport vehicle battery pack is characterized in that: A posting groove is also arranged on the outer side of the battery upper cover, and a wiring harness space is also opened inside the battery upper cover.

3. The novel electric transport vehicle battery pack according to claim 1 is characterized in that: The two poles of the battery cell are horizontally arranged in the battery shell, and the two ends of the battery cell are arranged correspondingly on the left and right sides of the battery shell. A battery cell mounting groove is opened on the battery bracket, which is placed on the electrode end of the battery cell. A wiring harness limiting groove and a wiring groove are opened on the top of the battery bracket.