An object of the invention is to provide a lid for storage battery, an injection molding method of the lid, a storage battery with the lid, and a terminal section for storage battery, which can save trouble of inserting a nut into a cavity portion of a terminal, and can prevent falling of the nut at
An object of the invention is to provide a lid for storage battery, an injection molding method of the lid, a storage battery with the lid, and a terminal section for storage battery, which can save trouble of inserting a nut into a cavity portion of a terminal, and can prevent falling of the nut at the time of connection of an external leading wire. In a lid for storage battery in which a terminal section for storage battery 8 made up of a terminal 4 having a cavity portion, a bushing 6, and a conductive portion 7 joining both is insert-molded in a lid made of synthetic resin, and a storage battery with the lid for storage battery, an anchor portion 4T is projected at a location excluding at least a central portion of a bottom portion 4F of the terminal 4, and a nut is inserted into the cavity portion of the terminal to be fixed. Moreover, in the terminal section for storage battery, the anchor portion 4T is projected at the location excluding at least the central portion of the bottom portion 4F of the terminal 4 (e.g., the U-shaped anchor portion 4T is projected with a U-shaped joining portion 4G interposed).
대표청구항▼
1. A terminal section for a storage battery which is made up of a terminal having a cavity portion into which a nut is inserted, a bushing, and a conductive portion joining both, wherein the terminal comprises plates,an anchor portion and a joining portion are projected at a surface of one plate of
1. A terminal section for a storage battery which is made up of a terminal having a cavity portion into which a nut is inserted, a bushing, and a conductive portion joining both, wherein the terminal comprises plates,an anchor portion and a joining portion are projected at a surface of one plate of the terminal excluding at least a central portion of the surface of the one plate of the terminal,the anchor portion and the joining portion are projected in a direction intersecting with the surface of the one plate,the joining portion is in direct contact with the surface of the one plate of the terminal and the anchor portion is in direct contact with the joining portion,the central portion of the surface of the one plate is surrounded by at least one of the anchor portion or the joining portion, andthe central portion of the one plate of the terminal is configured to be deformed due to an injection molding-pressure. 2. The terminal section for a storage battery according to claim 1, wherein the anchor portion has a notch or a hole in a central portion of the anchor portion, and the joining portion has a notch or a hole in a central portion of the joining portion. 3. The terminal section for a storage battery according to claim 2, wherein the anchor portion having the notch in the central portion has a U shape. 4. The terminal section for a storage battery according to claim 1, wherein the anchor portion has a larger dimension in a direction parallel to the surface of the one plate than the joining portion. 5. The terminal section for a storage battery according to claim 1, wherein the central portion is surrounded by the anchor portion. 6. The terminal section for a storage battery according to claim 1, wherein the central portion is surrounded by the joining portion. 7. The terminal section for a storage battery according to claim 1, wherein at least a portion of the anchor portion is projected in a direction perpendicular to the surface of the one plate. 8. The terminal section for a storage battery according to claim 1, wherein at least a portion of the joining portion is projected in a direction perpendicular to the surface of the one plate. 9. The terminal section for a storage battery according to claim 1, wherein at least a portion of the anchor portion and at least a portion of the joining portion are projected in a direction perpendicular to the surface of the one plate. 10. A lid for a storage battery in which the terminal section of claim 1 is insert-molded in a lid made of synthetic resin, wherein a nut is inserted into the cavity portion of the terminal to be inserted-molded, by which the nut is fixed. 11. The lid for a storage battery according to claim 10, wherein the one plate of the terminal is deformed by an injection molding pressure of the synthetic resin at the time of the insert molding, and the nut is pressed and fixed to the cavity portion of the terminal. 12. The lid for a storage battery according to claim 11, wherein the anchor portion has a notch or a hole in a central portion of the anchor portion, and the joining portion has a notch or a hole in a central portion of the joining portion. 13. The lid for a storage battery according to claim 12, wherein the anchor portion having the notch in the central portion has a U shape. 14. The lid for a storage battery according to claim 10, wherein at least the central portion of the one plate of the terminal where the anchor portion is not projected is deformed, by which the nut is pressed and fixed to the cavity portion of the terminal. 15. The lid for a storage battery according to claim 10, wherein the terminal and the nut inserted into the cavity portion of the terminal each have a rectangular parallelepiped shape, and through-holes of the terminal and screw holes of the nut communicating with the through-holes are respectively formed at least at two locations of a location from a rectangular upper surface toward a lower surface, and a location from a rectangular front surface toward a back surface, and at positions where the holes do not intersect. 16. An injection molding method of the lid for a storage battery of claim 10, the method comprising: injection molding of the lid of the synthetic resin where a nut is inserted into the cavity portion of the terminal, anddeforming the one plate of the terminal by an injection molding pressure to thereby fix the nut to the cavity portion of the terminal. 17. The injection molding method according to claim 16, wherein in the one plate of the terminal, the anchor portion has a notch or a hole in a central portion of the anchor portion, and the one plate of the terminal corresponding to the notch or the hole is deformed. 18. The injection molding method according to claim 16, wherein the terminal and the nut to be inserted into the cavity portion of the terminal each have a rectangular parallelepiped shape, through-holes of the terminal are formed at least at two locations of a rectangular upper surface plate portion and a rectangular front surface plate portion, and screw holes of the nut are formed at least at two locations of a location from a rectangular upper surface toward a lower surface and a location from a rectangular front surface to a back surface, and at positions where the holes do not intersect, and the nut is inserted into the cavity portion of the terminal so that the through-holes of the terminal and the screw holes of the nut communicate with each other. 19. A storage battery including a container made of synthetic resin in which an inside thereof is partitioned into a plurality of cells by partition walls, and an element is contained in each of the cells, and the lid of claim 10 to cover the container from above. 20. A terminal section for a storage battery which is made up of a terminal having a cavity portion into which a nut is inserted, a bushing, and a conductive portion joining both, wherein the terminal comprises plates,an anchor portion and a joining portion are projected at a first surface of one plate of the terminal excluding at least a central portion of the first surface of the one plate of the terminal,the anchor portion and the joining portion are projected in a direction intersecting with the first surface of the one plate,the joining portion is in direct contact with the first surface of the one plate of the terminal and the anchor portion is in direct contact with the joining portion,one surface of the nut is in direct contact with a second surface of the one plate of the terminal, the second surface being opposite to the first surface of the one plate of the terminal,the central portion of the first surface of the one plate is surrounded by at least one of the anchor portion or the joining portion, andthe central portion of the first surface of the one plate of the terminal is configured to be deformed due to an injection molding-pressure.
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이 특허에 인용된 특허 (4)
Kump William H. (Mendota Heights MN) Jergl Joseph J. (Minneapolis MN), Battery comprising dual terminal bushings.
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