A C-shaped engraving device, an explosion-proof battery casing, and a battery.

Abstract

This utility model discloses a C-shaped scribing device applied to a battery casing. The C-shaped scribing device includes several sets of C-shaped scribing structures, which are arranged in a circular array, end-to-end. Each C-shaped scribing structure includes a buffer arc groove and an explosion-proof arc groove with the same central axis. The buffer arc groove is recessed within the battery casing, and the explosion-proof arc groove is recessed within the buffer arc groove. The cross-sectional width of the buffer arc groove is greater than that of the explosion-proof arc groove. A buffer ramp is provided at the edge of the buffer arc groove, with the cross-sectional width of the buffer ramp gradually increasing from near to far from the explosion-proof arc groove. An explosion-proof ramp is provided at the edge of the explosion-proof arc groove, with the cross-sectional width of the explosion-proof ramp gradually decreasing from near to far from the buffer arc groove. The device also includes an explosion-proof battery casing and a battery. The circular array of C-shaped scribing structures in this utility model prevents deformation during production, transportation, and assembly, thus solving the leakage problem caused by the structural strength limitations of traditional circular scribing structures.

Description

Technical Field

[0001] This utility model relates to the field of battery technology, specifically to a C-shaped engraving device, an explosion-proof battery casing, and a battery. Background Technology

[0002] With the widespread application of new energy sources, the demand for battery casings, as a major structural component of batteries, has increased dramatically. The explosion-proof markings on the battery casing play a crucial role in the safety performance of battery products. Because the original marking structure was circular, products using this structure have poor stability and are prone to deformation, leading to leakage and posing significant safety hazards, thus affecting the quality of the finished battery. Utility Model Content

[0003] To overcome the above-mentioned technical problems, this utility model discloses a C-shaped scribing device, an explosion-proof battery casing, and a battery.

[0004] The technical solution adopted by this utility model to achieve the above objectives is as follows:

[0005] A C-shaped scribing device is used in a battery casing;

[0006] The C-shaped scribing device includes several sets of C-shaped scribing structures, which are arranged in a circular array with their ends corresponding to each other.

[0007] The C-shaped engraving structure includes a buffer arc groove and an explosion-proof arc groove with the same central axis. The buffer arc groove is recessed in the battery casing, and the explosion-proof arc groove is recessed in the buffer arc groove. The cross-sectional width of the buffer arc groove is greater than the cross-sectional width of the explosion-proof arc groove.

[0008] A buffer ramp is provided at the edge of the buffer arc groove, and the cross-sectional width of the buffer ramp gradually increases from the vicinity of the explosion-proof arc groove.

[0009] An explosion-proof ramp is provided at the edge of the explosion-proof arc groove, and the cross-sectional width of the explosion-proof ramp gradually decreases from the vicinity of the buffer arc groove.

[0010] In the aforementioned C-shaped engraving device, the curvature of the buffer arc groove is the same as that of the explosion-proof arc groove.

[0011] In the aforementioned C-shaped engraving device, the cross-sectional width of the explosion-proof inclined platform is smaller than the cross-sectional width of the buffer arc groove.

[0012] In the aforementioned C-shaped engraving device, the cross-sectional width of the explosion-proof ramp is smaller than the cross-sectional width of the buffer ramp.

[0013] In the aforementioned C-shaped engraving device, the depth of the buffer arc groove is greater than or equal to the depth of the explosion-proof arc groove.

[0014] An explosion-proof battery casing, the explosion-proof battery casing including the above-mentioned C-shaped engraving device.

[0015] The aforementioned explosion-proof battery casing has a liquid injection hole through the center of the casing, and several sets of C-shaped engraved structures are arranged in a circular array with the liquid injection hole as the center.

[0016] In the aforementioned explosion-proof battery casing, the depth of the C-shaped scribe line device is 1 / 2 to 2 / 3 of the thickness of the explosion-proof battery casing.

[0017] The aforementioned explosion-proof battery casing, wherein the C-shaped engraving device is disposed on the bottom surface of the explosion-proof battery casing.

[0018] A battery comprising the aforementioned C-shaped engraving device.

[0019] The beneficial effects of this utility model are as follows: This utility model has a reasonable and ingenious design. The several sets of C-shaped engraving structures are arranged in a circular array. When the valve is opened, the waste material does not stick together and will not splash. The structure is more stable and is not prone to deformation during production, transportation, and assembly. It solves the problem of leakage caused by the structural strength of traditional circular engraving structures, improves battery safety performance, and the engraving size and explosion-proof value data can be adjusted. Among them, the cooperative setting of the buffer arc groove and the explosion-proof arc groove effectively prevents the battery shell from deforming, optimizes the overall structural stability of the battery shell, and the buffer ramp and explosion-proof ramp help to further buffer and prevent deformation during the explosion-proof process, resulting in high product safety performance. Attached Figure Description

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] Figure 1 This is a bottom view of the explosion-proof battery casing in this utility model;

[0022] Figure 2 This is a cross-sectional schematic diagram of the explosion-proof battery casing in this utility model;

[0023] Figure 3 In this utility model Figure 2 Enlarged schematic diagram of part A;

[0024] Figure 4 This is a bottom view of the explosion-proof battery casing with a liquid injection hole according to the present invention. Detailed Implementation

[0025] The present invention will be further described below through specific embodiments, so as to make the technical solution of the present invention easier to understand and master, rather than to limit the present invention.

[0026] Example: See Figures 1 to 3 This embodiment provides a C-shaped scribing device, which is applied to a battery casing.

[0027] The C-shaped scribing device 1 includes several sets of C-shaped scribing structures, which are arranged in a circular array with their ends corresponding to each other.

[0028] The C-shaped engraving structure includes a buffer arc groove 11 and an explosion-proof arc groove 12 with the same central axis. The buffer arc groove 11 is recessed in the battery casing, and the explosion-proof arc groove 12 is recessed in the buffer arc groove 11. The cross-sectional width of the buffer arc groove 11 is greater than the cross-sectional width of the explosion-proof arc groove 12.

[0029] A buffer ramp 13 is provided at the edge of the buffer arc groove 11, and the cross-sectional width of the buffer ramp 13 gradually increases from the vicinity of the explosion-proof arc groove 12 to the distance from the explosion-proof arc groove 12.

[0030] An explosion-proof ramp 14 is provided at the edge of the explosion-proof arc groove 12, and the cross-sectional width of the explosion-proof ramp 14 gradually decreases from the proximity to the buffer arc groove 11.

[0031] Specifically, the C-shaped etched structures are arranged in a circular array, which prevents waste from sticking together and splashing when the valve is opened, making the structure more stable and less prone to deformation during production, transportation, and assembly. This solves the leakage problem caused by the structural strength of traditional circular etched structures, improves battery safety performance, and allows for adjustment of etched dimensions and explosion-proof values. The coordinated arrangement of the buffer arc groove 11 and the explosion-proof arc groove 12 effectively prevents deformation of the battery casing, optimizes the overall structural stability of the battery casing, and the buffer ramp 13 and the explosion-proof ramp 14 further buffer and prevent deformation during the explosion-proof process, resulting in high product safety performance.

[0032] Preferably, the buffer arc groove 11 has the same curvature as the explosion-proof arc groove 12, ensuring further buffering and preventing deformation during the explosion-proof process, thereby improving the product's safety performance.

[0033] Preferably, the cross-sectional width of the explosion-proof inclined platform 14 is smaller than the cross-sectional width of the buffer arc groove 11;

[0034] The cross-sectional width of the explosion-proof ramp 14 is smaller than the cross-sectional width of the buffer ramp 13;

[0035] The depth of the buffer arc groove 11 is greater than or equal to the depth of the explosion-proof arc groove 12.

[0036] This embodiment also discloses an explosion-proof battery casing 2, which includes the aforementioned C-shaped engraving device 1.

[0037] Better, see Figure 4An injection hole 3 is provided through the center of the explosion-proof battery casing 2. Several sets of C-shaped engraved structures are arranged in a circular array with the injection hole 3 as the center, which further optimizes the explosion-proof performance of the product and improves the structural stability and safety performance of the product.

[0038] Preferably, the depth of the C-shaped engraving device 1 is 1 / 2 to 2 / 3 of the thickness of the explosion-proof battery casing 2.

[0039] Specifically, the C-shaped engraving device 1 is disposed on the bottom surface of the explosion-proof battery casing 2.

[0040] In this embodiment, two sets of C-shaped engraving structures are provided on the bottom surface of the explosion-proof battery casing 2. The two sets of C-shaped engraving structures are arranged in a circular array with the injection hole as the center.

[0041] This embodiment also discloses a battery, which includes the C-shaped engraving device described above.

[0042] This utility model features a reasonable and ingenious design. Several sets of C-shaped engraved structures are arranged in a circular array, preventing waste from sticking together and splashing when the valve is opened. This makes the structure more stable and less prone to deformation during production, transportation, and assembly. It solves the leakage problem caused by the structural strength of traditional circular engraved structures, improving battery safety performance. The engraved dimensions and explosion-proof values ​​are adjustable. The combined design of the buffer arc groove and the explosion-proof arc groove effectively prevents deformation of the battery casing, optimizing the overall structural stability of the battery casing. Furthermore, the buffer ramp and the explosion-proof ramp help to further buffer and prevent deformation during the explosion-proof process, resulting in high product safety performance.

[0043] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Any person skilled in the art can make many possible variations and modifications to the technical solution of this utility model using the disclosed technical means and content, or modify it into equivalent embodiments with equivalent changes, without departing from the scope of the technical solution of this utility model. Therefore, all equivalent changes made based on the shape, structure, and principle of this utility model without departing from its technical solution should be covered within the protection scope of this utility model.

Claims

1. A C-scribing device characterized by comprising: The C-shaped engraving device is applied to the battery casing; The C-shaped scribing device includes several sets of C-shaped scribing structures, which are arranged in a circular array with their ends corresponding to each other. The C-shaped engraving structure includes a buffer arc groove and an explosion-proof arc groove with the same central axis. The buffer arc groove is recessed in the battery casing, and the explosion-proof arc groove is recessed in the buffer arc groove. The cross-sectional width of the buffer arc groove is greater than the cross-sectional width of the explosion-proof arc groove. A buffer ramp is provided at the edge of the buffer arc groove, and the cross-sectional width of the buffer ramp gradually increases from the vicinity of the explosion-proof arc groove. An explosion-proof ramp is provided at the edge of the explosion-proof arc groove, and the cross-sectional width of the explosion-proof ramp gradually decreases from the vicinity of the buffer arc groove.

2. The C-scribe device of claim 1, wherein, The buffer arc groove has the same curvature as the explosion-proof arc groove.

3. The C-shaped scribing device according to claim 2, characterized in that, The cross-sectional width of the explosion-proof inclined platform is smaller than the cross-sectional width of the buffer arc groove.

4. The C-shaped scribing device according to claim 3, characterized in that, The cross-sectional width of the explosion-proof ramp is smaller than that of the buffer ramp.

5. The C-shaped scribing device according to claim 4, characterized in that, The depth of the buffer arc groove is greater than or equal to the depth of the explosion-proof arc groove.

6. An explosion-proof battery casing, characterized in that, The explosion-proof battery casing includes the C-shaped engraving device as described in any one of claims 1 to 5.

7. The explosion-proof battery casing according to claim 6, characterized in that, A liquid injection hole is provided through the center of the explosion-proof battery shell, and several sets of C-shaped engraved structures are arranged in a circular array with the liquid injection hole as the center.

8. The explosion-proof battery casing according to claim 7, characterized in that, The depth of the C-shaped engraving device is 1 / 2 to 2 / 3 of the thickness of the explosion-proof battery casing.

9. The explosion-proof battery casing according to claim 8, characterized in that, The C-shaped engraving device is located on the bottom surface of the explosion-proof battery casing.

10. A battery, characterized in that, The battery includes the C-shaped scribe line device as described in any one of claims 1 to 5.

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