CN-224217580-U - Battery cover plate for enhancing pole withstand voltage

CN224217580UCN 224217580 UCN224217580 UCN 224217580UCN-224217580-U

Abstract

The utility model relates to the technical field of battery cover plates and discloses a battery cover plate for enhancing the pressure resistance of a polar column, which is characterized by comprising the polar column, wherein the periphery of the polar column is provided with a skirt ring, the skirt ring is circumferentially arranged along the periphery of the polar column, the skirt ring is wrapped with a plastic ring, and the plastic ring is circumferentially arranged along the periphery of the skirt ring; the plastic ring clamps the skirt ring up and down and is combined with the skirt ring into a whole, the plastic ring clamps the skirt ring up and down, the binding force between the plastic ring and the pole is enhanced, and secondly, when the battery cover plate is assembled, the pole is riveted, the plastic ring can bear partial riveting pressure, the pressure resistance of the pole is improved, the pressure water resistance of the pole is improved, and the performance, the service life and the product yield of the battery cover plate are greatly improved.

Inventors

ZHANG YAHAO
LIU JUNWEI

Assignees

广东力宏精密科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250401

Claims (10)

1. The battery cover plate for enhancing the pole withstand voltage is characterized by comprising a pole, wherein a skirt ring is arranged on the periphery of the pole, the skirt ring is circumferentially arranged along the periphery of the pole, a plastic ring is wrapped around the skirt ring, the plastic ring is circumferentially arranged along the periphery of the skirt ring, the skirt ring is clamped up and down, and the plastic ring and the skirt ring are combined into a whole.
2. The battery cover plate for enhancing the withstand voltage of a pole according to claim 1, wherein the plastic ring has a lower ring which clamps the skirt ring from bottom to top, the lower ring is circumferentially arranged around the skirt ring, and a bottom of the lower ring is arranged flush with a bottom of the pole.
3. The battery cover plate for enhancing the withstand voltage of a polar column according to claim 2, wherein the bottom of the polar column is provided with a groove ring circumferentially arranged along the polar column, and the lower ring is embedded and fixed in the groove ring.
4. The battery cover plate for enhancing a pole withstand voltage according to claim 3, wherein the plastic ring has an upper ring holding the skirt ring from top to bottom, the upper ring is circumferentially arranged along the skirt ring, and the upper ring and the lower ring hold the skirt ring up and down in opposite directions, and are fixedly connected with the skirt ring as a whole.
5. The battery cover plate for enhancing the withstand voltage of a pole of claim 4, wherein the plastic ring has a peripheral ring surrounding an outer periphery of the skirt ring, the peripheral ring being circumferentially arranged along the periphery of the skirt ring.
6. The battery cover plate for enhancing the withstand voltage of a pole of claim 5, wherein an upper end of the peripheral ring is butted against the upper ring and a lower end of the peripheral ring is butted against the lower ring.
7. The battery cover plate for enhancing the withstand voltage of a pole of claim 6, wherein the upper ring, the outer peripheral ring and the lower ring are integrally injection molded.
8. The battery cover plate for enhancing a withstand voltage of a polar column according to any one of claims 4 to 7, wherein a thickness of the upper ring is larger than a thickness of the lower ring, and a width of the upper ring is larger than a width of the lower ring.
9. The battery cover plate for enhancing a withstand voltage of a polar column according to any one of claims 5 to 7, wherein a plurality of steps arranged open upward are formed on the outer peripheral ring, and a plurality of the steps are circumferentially arranged at intervals along the outer peripheral ring.
10. The battery cover plate for enhancing a withstand voltage of a tab according to any one of claims 3 to 7, wherein the groove ring is downwardly formed with a tab, a spiral groove is formed at an outer circumference of the tab, the spiral groove is spirally arranged along an axial direction of the tab, and the lower ring is wrapped around the entire tab and is embedded in the spiral groove to be integrated with the tab.

Description

Battery cover plate for enhancing pole withstand voltage Technical Field The utility model relates to the technical field of battery cover plates, in particular to a battery cover plate for enhancing the withstand voltage of a pole. Background The battery cover plate is an important component part in the battery, and the battery cover plate is covered on the top opening of the shell, and forms a shell cavity for accommodating the battery cell with the shell. The battery cover plate comprises a top cover plate, and a pole is penetrated in the top cover plate. In the prior art, in the process of assembling the battery cover plate, the polar column needs to be riveted, and the polar column needs to bear larger pressure, but the pressure resistance of the polar column is poor, the polar column is easy to damage, and the performance and the service life of the battery cover plate are reduced. Disclosure of utility model The utility model aims to provide a battery cover plate for enhancing the voltage resistance of a pole, and aims to solve the problem of poor voltage resistance of the pole in the prior art. The battery cover plate for enhancing the pole withstand voltage comprises a pole, wherein a skirt ring is arranged on the periphery of the pole, the skirt ring is circumferentially arranged along the periphery of the pole, the skirt ring is wrapped with a plastic ring, the plastic ring is circumferentially arranged along the periphery of the skirt ring, the skirt ring is clamped up and down, and the skirt ring are combined into a whole. Further, the plastic ring is provided with a lower ring which clamps the skirt ring from bottom to top, the lower ring is circumferentially arranged along the skirt ring, and the bottom of the lower ring is flush with the bottom of the pole. Further, the bottom of the pole is provided with a groove ring, the groove ring is circumferentially arranged along the circumference of the pole, and the lower ring is embedded and fixed in the groove ring. Further, the plastic ring is provided with an upper ring which clamps the skirt ring from top to bottom, the upper ring is circumferentially arranged along the circumference of the skirt ring, the skirt ring is clamped between the upper ring and the lower ring in an up-down opposite way, and the upper ring and the lower ring are fixedly connected with each other into a whole. Further, the plastic ring has an outer peripheral ring surrounding an outer periphery of the skirt ring, the outer peripheral ring being circumferentially arranged along a circumferential direction of the skirt ring. Further, the upper end of the peripheral ring is abutted with the upper ring, and the lower end of the peripheral ring is abutted with the lower ring. Further, the upper ring, the outer peripheral ring and the lower ring are integrally injection molded. Further, the upper ring has a thickness greater than the lower ring and a width greater than the lower ring. Further, a plurality of steps which are arranged in an upward opening manner are formed on the peripheral ring, and the steps are circumferentially arranged at intervals along the peripheral ring. Further, the groove ring is downwards provided with a convex column, the periphery of the convex column is provided with a spiral groove, the spiral groove is arranged along the axial direction of the convex column in a spiral mode, and the lower ring wraps the whole convex column and is embedded into the spiral groove to be combined with the convex column into a whole. Compared with the prior art, the battery cover plate for enhancing the voltage resistance of the polar column has the advantages that the skirt ring is clamped up and down by the plastic ring, the binding force between the plastic ring and the polar column is enhanced, and secondly, when the battery cover plate is assembled, the plastic ring can bear partial riveting pressure in the process of riveting the polar column, so that the voltage resistance and the water resistance of the polar column are improved, and the performance, the service life and the product yield of the battery cover plate are greatly improved. Drawings FIG. 1 is a schematic view, partially in section, of a battery cover plate for enhancing the withstand voltage of a pole provided by the utility model; FIG. 2 is a schematic view in partial cutaway of a skirt ring provided by the present utility model. Detailed Description The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. The implementation of the present utility model will be described in detail below with reference to specific embodiments. In the description of the present utility mo