Covering board component
A cover plate and component technology, which is applied to battery pack parts, structural parts, electrical components, etc., can solve the problems that the explosion-proof cover plate cannot be used with batteries and does not have safety devices, so as to achieve good sealing, convenient adjustment, and convenient processing and manufacturing Effect
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Example Embodiment
[0048] Embodiment 1. A cover plate assembly, combined Figure 2-4 with Picture 10 As shown, the assembly seat 17, the cover plate 15, the insulating member 11, the explosion-proof film 8 and the pull plate 5 are included. The assembling base 17 is an assembling plate. The assembling plate 17 has a cover hole 19 and an upwardly extending cylinder 25 is formed around the cover hole 19. A cavity 28 communicating up and down is formed in the cylinder 25. There is an annular table surface 18 around the cover plate hole 19 in the cylinder body. The upper part of the cylinder body 25 is bent inwardly (the bent portion 16) to form an annular sealing groove 29 on the inner wall of the cavity 28 of the assembly seat 17. The cover plate 15 serving as the electrode for drawing current has a pressure relief hole 14. The periphery of the cover plate 15 is insulated by the insulating member 11 and sealed and fixed in the annular sealing groove 29. The cover plate 15 protrudes outward to form a c...
Example Embodiment
[0052] Embodiment two, another cover plate assembly, combined Figure 5 with Picture 10 As shown, the assembly seat 17, the cover plate 15, the insulating member 11, the explosion-proof film 8 and the pull plate 5 are included. The assembling base 17 is an assembling plate. The assembling plate 17 has a cover hole 19 and an upwardly extending cylinder 25 is formed around the cover hole 19. A cavity 28 communicating up and down is formed in the cylinder 25. There is an annular table surface 18 around the cover plate hole 19 in the cylinder body. The upper part of the cylinder body 25 is bent inwardly (the bent portion 16) to form an annular sealing groove 29 on the inner wall of the cavity 28 of the assembly seat 17. A pressure relief hole 14 is provided on the cover plate 15 as an electrode for drawing current. The periphery of the explosion-proof membrane 8 and the periphery of the cover plate 15 are clamped and fixed in the annular sealing groove 29 by overlapping compression a...
Example Embodiment
[0053] Embodiment three, another cover plate assembly, combined Figure 6 with Picture 11 As shown, the assembly seat 17, the cover plate 15, the insulating member 11, the explosion-proof film 8 and the pull plate 5 are included. The assembling base 17 is an assembling plate. The assembling plate 17 has a cover hole 19 and a downwardly extending cylinder 25 is formed around the cover hole 19. A cavity 28 communicating vertically is formed in the cylinder 25. There is an annular table surface 18 around the cover plate hole 19 in the cylinder body. The lower part of the cylinder body 25 forms an annular sealing groove 29 on the inner wall of the cavity 28 of the assembly seat 17 by bending inward (the bending part 16). A pressure relief hole 14 is provided on the cover plate 15 as an electrode for drawing current. The periphery of the explosion-proof membrane 8 and the periphery of the cover plate 15 are clamped and fixed in the annular sealing groove 29 by overlapping compression ...
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