Lithium battery shell
By adopting high-performance engineering plastic and inner shell structure, combined with heat sink and damper, the stability and safety of the lithium battery shell in extreme environments is solved, achieving higher firmness and cable protection effect.
Patent Information
- Application Number
- CN202422288410.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-09-19
AI Technical Summary
Existing lithium battery housings cannot provide sufficient protection when facing extreme environmental conditions such as high temperature, high humidity and vibration, resulting in degraded battery performance or increased safety risks.
The shell and top cover are made of high-performance engineering plastic, and an inner shell is added to the inside of the shell. A heat sink is installed on the outside of the inner shell. A damper and a waterproofing table are installed to improve stability and heat dissipation. The cable is fixed through the support frame and the connecting ring to adjust the rubber disc to prevent breakage.
It improves the firmness and stability of the lithium battery case, effectively dissipates heat, reduces the impact of humid environment, and protects the cables in vibration to avoid breakage.
Smart Images

Figure CN223230431U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lithium batteries, in particular to a lithium battery shell. Background Art
[0002] A lithium battery uses lithium metal or lithium alloys as the positive or negative electrode material and a non-aqueous electrolyte solution. Lithium batteries offer advantages such as high specific energy, high battery voltage, a wide operating temperature range, and a long storage life. They are widely used in small electronic devices such as mobile phones, portable computers, camcorders, and cameras, partially replacing traditional batteries. The lithium battery casing, as the battery's external protective structure, has a direct impact on the battery's safety, airtightness, and energy efficiency.
[0003] Existing lithium battery casings are usually made of metal or plastic materials. Although these materials have certain structural strength and cost-effectiveness, they may not provide adequate protection when facing extreme environmental conditions such as high temperature, high humidity, and vibration, resulting in decreased battery performance or increased safety risks. Therefore, a lithium battery casing is needed to solve the above problems. Utility Model Content
[0004] The purpose of the present utility model is to provide a lithium battery casing to solve the problem raised in the above background technology. Existing lithium battery casings are usually made of metal or plastic materials. Although these materials have certain structural strength and cost-effectiveness, they may not provide sufficient protection when facing extreme environmental conditions such as high temperature, high humidity, vibration, etc., resulting in decreased battery performance or increased safety risks.
[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:
[0006] The utility model is a lithium battery shell, comprising:
[0007] A housing assembly, comprising an outer shell and a top cover;
[0008] The top cover is fixed to the upper end of the shell;
[0009] A first anti-damage component, comprising a waterproof platform, a damper, a heat dissipation hole, an inner shell, a second threading hole, a sealing cover, and a heat sink;
[0010] The waterproof platform is fixed to the middle part of the inner bottom surface of the outer shell, the heat dissipation holes are opened in the lower sections of both sides of the outer shell, the lower end of the damper is fixed to the upper surface of the waterproof platform, the lower surface of the inner shell is fixed to the upper end of the damper, the sealing cover is fixed to the top of the inner shell, the second threading hole is opened on the side of the inner shell, and the heat sink is fixed on both sides of the inner shell.
[0011] Furthermore, there are four dampers distributed at the four corners of the lower surface of the inner shell.
[0012] Furthermore, there are three second threading holes, and rubber rings are inserted into the second threading holes.
[0013] Furthermore, the housing assembly further includes a first threading hole and a charging socket;
[0014] There are two first threading holes, which are opened on the side of the shell, and rubber rings are inserted into the first threading holes. The charging socket is fixed on the side of the shell.
[0015] Furthermore, it also includes a second damage prevention component;
[0016] The second anti-damage assembly includes a support frame and a connecting ring;
[0017] The support frame is fixed on the inner side of the shell and is located at the first threading hole, and the connecting ring is fixed on the upper end of the support frame.
[0018] Furthermore, the second anti-damage component further includes an adjustment rod and a rubber disc;
[0019] The adjusting rod is screwed in the connecting ring, and the rubber disc is rotatably connected to the lower end of the adjusting rod and is located inside the supporting frame.
[0020] Compared with the prior art, the advantages of the present invention are:
[0021] 1. The utility model adopts high-performance engineering plastic to make the outer shell and top cover by setting up the first anti-damage component, adding an inner shell inside the outer shell, and installing a heat sink on the outer side of the inner shell. During installation, the lower end of the damper is first fixed on the waterproof platform inside the outer shell, and the inner shell is fixed on the upper end of the damper. After the lithium battery is installed in the inner shell, the sealing cover and the top cover are fixed. This arrangement can improve the firmness and stability of the lithium battery shell, and at the same time, it can effectively dissipate heat and reduce the impact in a humid environment.
[0022] 2. In the present invention, the lithium battery is installed in the inner shell by setting up a second anti-damage component. A part of the cable is passed through the second threading hole and connected to the charging socket, and a certain length of cable is reserved. The other part of the cable is passed through the second threading hole, passes through the first threading hole, and is connected to the external electrical equipment, and a certain length of cable is reserved. The cable is placed in the support frame, and the adjusting rod in the connecting ring is turned to drive the rubber disc to move until the rubber disc is pressed against the cable. This setting can avoid the situation where the reserved cable between the outer shell and the inner shell is damaged due to the short length of the cable under vibration. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0024] Figure 1 This is a schematic diagram of the appearance of the utility model;
[0025] Figure 2 This is a schematic structural diagram of the first anti-damage component of the present invention;
[0026] Figure 3 This is a schematic diagram of the interior of the housing of the present invention;
[0027] Figure 4 This is a schematic structural diagram of the second anti-damage component of the present utility model.
[0028] In the accompanying drawings, the components represented by the reference numerals are as follows:
[0029] 10. Outer shell; 11. Top cover; 12. First threading hole; 13. Charging socket; 20. Waterproof platform; 21. Damper; 22. Heat dissipation hole; 23. Inner shell; 24. Second threading hole; 25. Sealing cover; 26. Heat sink; 30. Support frame; 31. Connecting ring; 32. Adjustment rod; 33. Rubber disc. DETAILED DESCRIPTION
[0030] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.
[0031] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0032] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
[0033] See also Figure 1-3 As shown, this embodiment is a lithium battery housing, comprising:
[0034] The housing assembly includes a shell 10 and a top cover 11;
[0035] The top cover 11 is fixed to the upper end of the housing 10;
[0036] The outer shell 10 is made of high-performance engineering plastics and plays a protective role, and the top cover 11 plays a sealing role.
[0037] The first anti-damage component includes a waterproof platform 20, a damper 21, a heat dissipation hole 22, an inner shell 23, a second threading hole 24, a sealing cover 25 and a heat sink 26;
[0038] The waterproof platform 20 is fixed to the middle of the inner bottom surface of the outer shell 10. The heat dissipation holes 22 are provided in the lower sections of both sides of the outer shell 10. The lower end of the damper 21 is fixed to the upper surface of the waterproof platform 20. The lower surface of the inner shell 23 is fixed to the upper end of the damper 21. The sealing cover 25 is fixed to the top of the inner shell 23. The second threading hole 24 is provided on the side of the inner shell 23. The heat sink 26 is fixed to both sides of the inner shell 23.
[0039] The waterproof platform 20 has a waterproof effect, the damper 21 has a heat-reducing effect, the heat dissipation hole 22 can discharge heat and rainwater, the inner shell 23 can insulate, the second wire threading hole 24 is convenient for the cable to pass through, the sealing cover 25 has a sealing effect, and the heat sink 26 can dissipate the heat generated by the lithium battery in the inner shell 23.
[0040] There are four dampers 21 distributed at the four corners of the lower surface of the inner shell 23 .
[0041] There are three second threading holes 24 , and rubber rings are inserted into the second threading holes 24 .
[0042] The housing assembly further includes a first threading hole 12 and a charging socket 13;
[0043] There are two first threading holes 12, which are opened on the side of the housing 10, and rubber rings are inserted into the first threading holes 12. The charging socket 13 is fixed to the side of the housing 10;
[0044] The first threading hole 12 is convenient for the cable to pass through, and the charging socket 13 is used to charge the lithium battery.
[0045] Working principle:
[0046] The outer shell 10 and the top cover 11 are made of high-performance engineering plastics. An inner shell 23 is added inside the outer shell 10, and a heat sink 26 is installed on the outside of the inner shell 23. During installation, the lower end of the damper 21 is first fixed to the waterproof platform 20 inside the outer shell 10, and the inner shell 23 is fixed to the upper end of the damper 21. After the lithium battery is installed in the inner shell 23, the sealing cover 25 and the top cover 11 are fixed.
[0047] This step can improve the firmness and stability of the lithium battery shell, and at the same time, can effectively dissipate heat and reduce the impact in a humid environment.
[0048] See also Figure 4 This embodiment is based on the above embodiment and further includes:
[0049] A second anti-damage component, the second anti-damage component includes a support frame 30 and a connecting ring 31;
[0050] The support frame 30 is fixed inside the housing 10 and is located at the first threading hole 12 , and the connecting ring 31 is fixed to the upper end of the support frame 30 ;
[0051] The support frame 30 plays a supporting role, and the connecting ring 31 plays a connecting and adjusting role.
[0052] The second anti-damage assembly also includes an adjustment rod 32 and a rubber disc 33;
[0053] The adjusting rod 32 is screwed into the connecting ring 31, and the rubber disc 33 is rotatably connected to the lower end of the adjusting rod 32 and is located inside the supporting frame 30;
[0054] The adjusting rod 32 plays an adjusting role, and the rubber disc 33 plays a connecting role.
[0055] Working principle:
[0056] The lithium battery is installed in the inner shell 23. Part of the cable is passed through the second threading hole 24 and connected to the charging socket 13, with a certain length of cable reserved. The other part of the cable is passed through the second threading hole 24, passes through the first threading hole 12, and is connected to the external electrical equipment, with a certain length of cable reserved. The cable is placed in the support frame 30, and the adjusting rod 32 in the connecting ring 31 is turned to drive the rubber disc 33 to move until the rubber disc 33 is pressed against the cable.
[0057] This step can prevent the outer shell 10 and the inner shell 23 from being damaged due to the short reserved cable under vibration.
[0058] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.
[0059] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. A lithium battery housing, characterized in that: include: A housing assembly, the housing assembly comprising an outer shell (10) and a top cover (11); The top cover (11) is fixed to the upper end of the housing (10); A first anti-damage component, comprising a waterproof platform (20), a damper (21), a heat dissipation hole (22), an inner shell (23), a second threading hole (24), a sealing cover (25) and a heat sink (26); The waterproof platform (20) is fixed to the middle of the inner bottom surface of the outer shell (10), the heat dissipation holes (22) are opened on the lower sections of both sides of the outer shell (10), the lower end of the damper (21) is fixed to the upper surface of the waterproof platform (20), the lower surface of the inner shell (23) is fixed to the upper end of the damper (21), the sealing cover (25) is fixed to the top of the inner shell (23), the second threading hole (24) is opened on the side of the inner shell (23), and the heat dissipation fins (26) are fixed to both sides of the inner shell (23).
2. A lithium battery casing according to claim 1, characterized in that: There are four dampers (21) distributed at the four corners of the lower surface of the inner shell (23).
3. The lithium battery housing according to claim 1, wherein: There are three second threading holes (24) in total, and rubber rings are inserted into the second threading holes (24).
4. A lithium battery casing according to claim 1, characterized in that: The housing assembly further includes a first threading hole (12) and a charging socket (13); There are two first threading holes (12) opened on the side of the housing (10), and rubber rings are inserted into the first threading holes (12). The charging socket (13) is fixed on the side of the housing (10).
5. The lithium battery casing according to claim 1, characterized in that: Also included is a second loss prevention component; The second anti-damage component includes a support frame (30) and a connecting ring (31); The support frame (30) is fixed inside the housing (10) and is located at the first threading hole (12), and the connecting ring (31) is fixed to the upper end of the support frame (30).
6. A lithium battery casing according to claim 5, characterized in that: The second anti-damage component further includes an adjustment rod (32) and a rubber disc (33); The adjusting rod (32) is screwed into the connecting ring (31), and the rubber disc (33) is rotatably connected to the lower end of the adjusting rod (32) and is located inside the supporting frame (30).