Battery pack power interface waterproof structure

By using torsion springs, blocks, threaded rods and rubber pads in the forklift power battery pack interface, short circuits and spontaneous combustion problems caused by the lack of waterproof structure of the interface are solved, and good waterproofing effect and safety of the battery pack are achieved. .

CN222320643UActive Publication Date: 2025-01-07JIANGSU JINYUAN NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202421137174.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-01-07
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

The existing forklift power battery pack interface lacks waterproof structure, which causes short circuits and spontaneous combustion to splash into the interface.

Method used

A battery pack power interface waterproof structure is designed, using torsion springs and blocks, threaded rods and extension blocks, rubber pads and other components to achieve waterproof effect through deformation and sealing cover.

Benefits of technology

Effectively prevent water splashing, ensure the safety and service life of the battery pack, and provide good sealing performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of battery packs, and discloses a battery pack power interface waterproof structure which comprises a shell, two rotating shafts are rotatably connected to the interior of the shell, two supporting blocks are fixedly connected to the outer sides of the two rotating shafts, and the supporting blocks are fixedly connected to the outer sides of the two rotating shafts. The opposite sides of the two top supporting blocks and the two bottom supporting blocks are fixedly connected with stopping blocks, the outer sides of the two rotating shafts are fixedly connected with torsional springs, and the interior of the shell is in threaded connection with two threaded rods. The battery pack power interface waterproof structure has the advantages of being good in waterproof effect and the like, and solves the problems that when a forklift power battery pack is used, a power source needs to be conveyed to all components through the power interface, most existing power interfaces are not provided with waterproof structures during use, part of water stains are still splashed into the interfaces, and the power supply is inconvenient to use. The battery pack is short-circuited to cause spontaneous combustion, and the battery pack is damaged.
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Description

Technical Field

[0001] The utility model relates to the technical field of battery packs, in particular to a waterproof structure of a battery pack power interface. Background Art

[0002] A forklift power battery pack is a battery used to drive a forklift. Forklift batteries are divided into lead-acid batteries, nickel-cadmium batteries, nickel-metal hydride batteries and other models. Different types of batteries are selected for use according to different usage scenarios. Most of the existing forklift batteries have long service life, excellent cycle performance and deep discharge recovery ability, and reliable sealing structure.

[0003] When in use, the forklift power battery pack needs to transmit power to various components through the power interface. Most of the existing power interfaces do not have a waterproof structure when in use, resulting in some water stains still splashing into the interior of the interface, causing the battery pack to short-circuit and cause spontaneous combustion, damage to the battery pack, etc. Therefore, a battery pack power interface waterproof structure is proposed to solve the above-mentioned problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a waterproof structure for a battery pack power interface, which has the advantages of good waterproof effect, etc., and solves the problem that the forklift power battery pack needs to transmit power to various components through the power interface when in use. Most of the existing power interfaces do not have a waterproof structure when in use, resulting in some water stains still splashing into the interior of the interface, causing the battery pack to short-circuit and cause spontaneous combustion, damage to the battery pack and other consequences.

[0006] (II) Technical solution

[0007] The utility model provides a technical solution to the above-mentioned technical problems as follows: a waterproof structure for a battery pack power interface, comprising a shell, wherein two rotating shafts are rotatably connected inside the shell, two supporting blocks are fixedly connected to the outer sides of the two rotating shafts, blocking blocks are fixedly connected to the opposite sides of the two top supporting blocks and the two bottom supporting blocks, torsion springs are fixedly connected to the outer sides of the two rotating shafts, two threaded rods are threadedly connected to the inner side of the shell, and extension blocks located on the right side of the shell are threadedly connected to the same waterproof cover on the opposite sides of the two extension blocks, and a plug connector is fixedly connected to the inner side of the waterproof cover.

[0008] The beneficial effects of the utility model are as follows: the second contact head can be waterproof when not in use through the torsion spring and the blocking block; when the second contact head is in use, the waterproof cover drives the rubber pad to form a better sealing performance with the inside of the shell through the threaded rod, thereby making it waterproof.

[0009] The battery pack power interface waterproof structure has the advantage of good waterproof effect.

[0010] On the basis of the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, a cable is fixedly connected to the right side of the plug connector, and a first contact is fixedly connected to the inside of the plug connector.

[0012] The beneficial effect of adopting the above further solution is that the plug connector can transmit power to various components through the cable.

[0013] Furthermore, a second contact head is fixedly connected to the interior of the housing, and the first contact head and the second contact head are adapted to each other.

[0014] The beneficial effect of adopting the above further solution is that the power inside the battery pack can be conducted to the second contact through the first contact.

[0015] Furthermore, the left sides of the two extension blocks are fixedly connected with springs, and the right sides of the two threaded rods are fixedly connected with rotating blocks.

[0016] The beneficial effect of adopting the above further solution is that the threaded rod can be conveniently installed and uninstalled manually by means of the rotating block.

[0017] Furthermore, the outer sides of the two rotating blocks are knurled, and a rubber pad is fixedly connected to the left side of the waterproof cover.

[0018] The beneficial effect of adopting the above further solution is that the waterproof cover can have better sealing performance through the rubber pad.

[0019] Furthermore, a sealing cover is clamped on the top of the shell, and stress-bearing grooves are provided inside the shell.

[0020] The beneficial effect of adopting the above further solution is that the outer shell can be easily carried through the stress-bearing groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is an enlarged view of the connection structure at A of the utility model;

[0023] Figure 3 This is an enlarged view of the right side of the connection structure between the housing and the rotating shaft of the utility model;

[0024] Figure 4 This is a front view of the connection structure between the housing and the sealing cover of the utility model.

[0025] In the figure: 1. housing; 2. rotating shaft; 3. supporting block; 4. blocking block; 5. torsion spring; 6. threaded rod; 7. extension block; 8. waterproof cover; 9. plug connector; 10. cable; 11. first contact head; 12. second contact head; 13. spring; 14. rotating block; 15. rubber pad; 16. sealing cover; 17. force groove. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the embodiment, Figure 1-4 A waterproof structure of a battery pack power interface is provided. The utility model comprises a shell 1. Two rotating shafts 2 are rotatably connected inside the shell 1. Two supporting blocks 3 are fixedly connected to the outer sides of the two rotating shafts 2. Stopping blocks 4 are fixedly connected to the opposite sides of the two top supporting blocks 3 and the two bottom supporting blocks 3. Torsion springs 5 ​​are fixedly connected to the outer sides of the two rotating shafts 2. Two threaded rods 6 are threadedly connected inside the shell 1. Extension blocks 7 located on the right side of the shell 1 are threadedly connected to the outer sides of the two threaded rods 6. The opposite sides of the two extension blocks 7 are fixedly connected to the same waterproof cover 8. A plug connector 9 is fixedly connected to the inner side of the waterproof cover 8.

[0028] A cable 10 is fixedly connected to the right side of the plug connector 9, and a first contact 11 is fixedly connected inside the plug connector 9;

[0029] Through the cable 10, the plug connector 9 can transport power to various components;

[0030] A second contact head 12 is fixedly connected to the inside of the housing 1, and the first contact head 11 and the second contact head 12 are adapted to each other;

[0031] Through the first contact 11, the power inside the battery pack can be led to the second contact 12;

[0032] The left sides of the two extension blocks 7 are fixedly connected with springs 13, and the right sides of the two threaded rods 6 are fixedly connected with rotating blocks 14;

[0033] The threaded rod 6 can be easily installed and uninstalled manually by means of the rotating block 14;

[0034] The outer sides of the two rotating blocks 14 are knurled, and a rubber pad 15 is fixedly connected to the left side of the waterproof cover 8;

[0035] The rubber pad 15 enables the waterproof cover 8 to have better sealing performance;

[0036] A sealing cover 16 is clamped on the top of the housing 1, and a stress-bearing groove 17 is provided inside the housing 1;

[0037] The stress-bearing groove 17 makes the housing 1 easy to carry.

[0038] Working principle:

[0039] Insert the plug connector 9 into the interior of the housing 1, so that the blocking block 4 rotates through the torsion spring 5, and then align the threaded rod 6 with the right side of the housing 1, and rotate the rotating block 14, so that the rotating block 14 drives the threaded rod 6 to rotate. The rotation of the threaded rod 6 moves the extension block 7 to the left, and the waterproof cover 8 moves to the left and squeezes the rubber pad 15 inside the housing 1, so that the rubber pad 15 is deformed and sealed, so that it can be waterproof during use.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A battery pack power interface waterproof structure, comprising a housing (1), characterized in that: The shell (1) is internally rotatably connected with two rotating shafts (2), the outer sides of the two rotating shafts (2) are fixedly connected with two supporting blocks (3), the two top supporting blocks (3) and the two bottom supporting blocks (3) are fixedly connected with blocking blocks (4) on their opposite sides, the outer sides of the two rotating shafts (2) are fixedly connected with torsion springs (5), the shell (1) is internally threadedly connected with two threaded rods (6), the outer sides of the two threaded rods (6) are threadedly connected with extension blocks (7) located on the right side of the shell (1), the two extension blocks (7) are fixedly connected with the same waterproof cover (8) on their opposite sides, and the waterproof cover (8) is fixedly connected with a plug connector (9) inside.

2. A battery pack power interface waterproof structure according to claim 1, characterized in that: A cable (10) is fixedly connected to the right side of the plug connector (9), and a first contact (11) is fixedly connected inside the plug connector (9).

3. A battery pack power interface waterproof structure according to claim 2, characterized in that: A second contact head (12) is fixedly connected to the interior of the housing (1), and the first contact head (11) and the second contact head (12) are adapted to each other.

4. A battery pack power interface waterproof structure according to claim 1, characterized in that: The left sides of the two extension blocks (7) are fixedly connected with springs (13), and the right sides of the two threaded rods (6) are fixedly connected with rotating blocks (14).

5. A battery pack power interface waterproof structure according to claim 4, characterized in that: The outer sides of the two rotating blocks (14) are knurled, and a rubber pad (15) is fixedly connected to the left side of the waterproof cover (8).

6. A battery pack power interface waterproof structure according to claim 1, characterized in that: A sealing cover (16) is clamped on the top of the shell (1), and a force-bearing groove (17) is provided inside the shell (1).