New energy lithium battery PACK waterproof structure
By setting an annular connecting ring and sealing installation structure on the outer side of the upper and lower housings of the lithium battery PACK, combined with the C-shaped fixing sleeve and installation bolts, the problem of poor sealing of the lithium battery PACK is solved, and the waterproof performance is significantly improved.
Patent Information
- Application Number
- CN202421176971.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-02-21
- Estimated Expiration
- 2034-05-28
AI Technical Summary
The PACK structure of lithium batteries has poor sealing properties, resulting in poor waterproofing effect.
The annular connecting ring and sealing installation structure on the outside of the upper case and the lower case are adopted, combined with the C-shaped fixing sleeve and the mounting bolts, a sealing installation structure is formed to fix the battery, and a sealing gasket is provided at the connection gap.
It effectively avoids moisture entering the inside of the battery through the gap, and improves the waterproof performance of the lithium battery PACK.
Smart Images

Figure CN222514986U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lithium batteries, in particular to a new energy lithium battery PACK waterproof structure. Background Art
[0002] Lithium battery is a kind of battery that uses lithium metal or lithium alloy as positive and negative electrode materials and non-aqueous electrolyte solution. Due to the very active chemical properties of lithium metal, the processing, storage and use of lithium metal have very high environmental requirements. With the development of science and technology, lithium batteries have become mainstream. The lithium battery PACK structure refers to the processing, assembly and packaging of lithium-ion battery packs. The ordinary lithium battery packaging structure is easy to use, simple in structure, with obvious gaps at the joints and poor sealing between the shells, so the waterproof effect needs to be improved. Utility Model Content
[0003] The purpose of the utility model is to provide a new energy lithium battery PACK waterproof structure to solve the problems raised in the above background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new energy lithium battery PACK waterproof structure, including a battery, the battery is fixedly arranged in an upper shell and a lower shell, and the outer sides of the upper shell and the lower shell are fixedly installed by a sealing installation structure and a plurality of installation bolts.
[0005] Preferably, a first annular connecting ring and a second annular connecting ring are fixedly connected to the outer sides of the upper shell and the lower shell respectively.
[0006] Preferably, the sealing installation structure comprises a fixing sleeve which is clamped and fixed with the first connecting ring and the second connecting ring, and the cross section of the fixing sleeve is a C-shaped structure.
[0007] Preferably, a groove for clamping and fixing the first connecting ring and the second connecting ring is formed on the inner side of the fixing sleeve, and a sealing gasket is fixedly arranged between the first connecting ring and the second connecting ring.
[0008] Preferably, a plurality of mounting holes are respectively formed through the top and bottom ends of the fixing sleeve and are threadedly matched with the mounting bolts, and corresponding positions of the first connecting ring and the second connecting ring are respectively formed with positioning holes that are threadedly matched with the mounting bolts.
[0009] Preferably, a plurality of the mounting holes and the positioning holes are respectively distributed in an annular pattern along the fixing sleeve, the first connecting ring and the second connecting ring.
[0010] Compared with the prior art, the utility model has the following beneficial effects:
[0011] The outer sides of the upper shell and the lower shell of the utility model are respectively fixedly connected with an annular first connecting ring and a second connecting ring, the sealing installation structure includes a fixing sleeve that is clamped and fixed with the first connecting ring and the second connecting ring, and the cross-section of the fixing sleeve is a C-shaped structure, the inner side of the fixing sleeve is provided with a groove that is clamped and fixed with the first connecting ring and the second connecting ring, and a sealing gasket is fixedly arranged between the first connecting ring and the second connecting ring, the top and bottom ends of the fixing sleeve are respectively penetrated with a plurality of mounting holes that are threadedly matched with the mounting bolts, and the corresponding positions of the first connecting ring and the second connecting ring are respectively provided with positioning holes that are threadedly matched with the mounting bolts, and the plurality of mounting holes and positioning holes are respectively arranged along the fixing sleeve, the first connecting ring and the second connecting ring The connecting rings are distributed in an annular manner, and after the upper shell and the lower shell are engaged with each other, the battery is fixed and arranged in a closed area after the upper shell and the lower shell are covered, and the outer sides of the upper shell and the lower shell are covered by the first connecting ring and the second connecting ring respectively. A sealing gasket is provided in the connecting gap between the first connecting ring and the second connecting ring to prevent water from entering the upper shell and the lower shell through the gap. The first connecting ring and the second connecting ring of the annular structure are fixedly installed with the fixing sleeve by a fixing sleeve with a C-shaped cross-section and a plurality of mounting bolts. The mounting holes and positioning holes respectively opened in the fixing sleeve, the first connecting ring and the second connecting ring ensure that the first connecting ring and the second connecting ring are firmly connected to prevent moisture from entering through the gap. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the structure of the utility model;
[0013] Figure 2 It is an enlarged schematic diagram of the structure at point A of the utility model.
[0014] In the figure: 1. battery; 2. upper shell; 3. lower shell; 4. sealing installation structure; 5. mounting bolts; 201. first connecting ring; 301. second connecting ring; 41. fixing sleeve; 42. sealing gasket. DETAILED DESCRIPTION
[0015] 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.
[0016] Embodiment 1
[0017] See also Figure 1-Figure 2A new energy lithium battery PACK waterproof structure shown in the figure includes a battery 1, which is fixedly arranged in an upper shell 2 and a lower shell 3, and the outer sides of the upper shell 2 and the lower shell 3 are fixedly installed by a sealing installation structure 4 and a plurality of installation bolts 5.
[0018] In this embodiment, the outer sides of the upper shell 2 and the lower shell 3 are respectively fixedly connected with an annular first connecting ring 201 and a second connecting ring 301, the sealing installation structure 4 includes a fixing sleeve 41 which is clamped and fixed with the first connecting ring 201 and the second connecting ring 301, and the cross-section of the fixing sleeve 41 is a C-shaped structure, the inner side of the fixing sleeve 41 is provided with a groove which is clamped and fixed with the first connecting ring 201 and the second connecting ring 301, and a sealing gasket 42 is fixedly arranged between the first connecting ring 201 and the second connecting ring 301, the top and bottom ends of the fixing sleeve 41 are respectively penetrated with a plurality of mounting holes which are threadedly matched with the mounting bolts 5, and the corresponding positions of the first connecting ring 201 and the second connecting ring 301 are respectively provided with positioning holes which are threadedly matched with the mounting bolts 5, and the plurality of mounting holes and positioning holes are respectively distributed in a ring along the fixing sleeve 41, the first connecting ring 201 and the second connecting ring 301.
[0019] Furthermore, the battery 1 is fixedly arranged in a closed area after the upper shell 2 and the lower shell 3 are covered by each other after the upper shell 2 and the lower shell 3 are engaged with each other, and the outer sides of the upper shell 2 and the lower shell 3 are covered by the first connecting ring 201 and the second connecting ring 301 respectively, and a sealing gasket 42 is provided in the connecting gap between the first connecting ring 201 and the second connecting ring 301 to prevent water from entering the upper shell 2 and the lower shell 3 through the gap, and the first connecting ring 201 and the second connecting ring 301 of the annular structure are fixedly installed with the fixing sleeve 41 by a fixing sleeve 41 with a C-shaped cross-section and a plurality of mounting bolts 5, and the mounting holes and positioning holes respectively opened in the fixing sleeve 41, the first connecting ring 201 and the second connecting ring 301 ensure that the first connecting ring 201 and the second connecting ring 301 are firmly connected to prevent moisture from entering through the gap.
[0020] The working principle of the utility model is as follows: the battery 1 is fixedly arranged in a closed area after the upper shell 2 and the lower shell 3 are covered by each other after the upper shell 2 and the lower shell 3 are locked together, and the outer sides of the upper shell 2 and the lower shell 3 are covered by the first connecting ring 201 and the second connecting ring 301 respectively, and a sealing gasket 42 is arranged at the connecting gap between the first connecting ring 201 and the second connecting ring 301 to prevent water from entering the upper shell 2 and the lower shell 3 through the gap, and the first connecting ring 201 and the second connecting ring 301 of the annular structure are fixedly installed with the fixing sleeve 41 by a fixing sleeve 41 with a C-shaped cross-section and a plurality of mounting bolts 5, and the mounting holes and positioning holes respectively opened in the fixing sleeve 41, the first connecting ring 201 and the second connecting ring 301 ensure that the first connecting ring 201 and the second connecting ring 301 are firmly connected to prevent moisture from entering through the gap.
[0021] 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.
[0022] 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 new energy lithium battery PACK waterproof structure, comprising a battery (1), characterized in that: The battery (1) is fixedly arranged in the upper shell (2) and the lower shell (3), and the outer sides of the upper shell (2) and the lower shell (3) are fixedly installed via a sealing installation structure (4) and a plurality of installation bolts (5).
2. The waterproof structure of a new energy lithium battery PACK according to claim 1, characterized in that: An annular first connecting ring (201) and a second connecting ring (301) are respectively fixedly connected to the outer sides of the upper shell (2) and the lower shell (3).
3. A new energy lithium battery PACK waterproof structure according to claim 2, characterized in that: The sealing installation structure (4) comprises a fixing sleeve (41) which is clamped and fixed to the first connecting ring (201) and the second connecting ring (301), and the cross section of the fixing sleeve (41) is a C-shaped structure.
4. A new energy lithium battery PACK waterproof structure according to claim 3, characterized in that: The fixing sleeve (41) has a groove on its inner side for clamping and fixing with the first connecting ring (201) and the second connecting ring (301), and a sealing gasket (42) is fixedly arranged between the first connecting ring (201) and the second connecting ring (301).
5. The waterproof structure of a new energy lithium battery PACK according to claim 4 is characterized in that: The top and bottom ends of the fixing sleeve (41) are respectively penetrated with a plurality of mounting holes threadedly matched with the mounting bolts (5), and corresponding positions of the first connecting ring (201) and the second connecting ring (301) are respectively provided with positioning holes threadedly matched with the mounting bolts (5).
6. A new energy lithium battery PACK waterproof structure according to claim 5, characterized in that: The plurality of mounting holes and positioning holes are respectively distributed in an annular manner along the fixing sleeve (41), the first connecting ring (201) and the second connecting ring (301).