Provided is a battery pack. The battery pack includes: a case including a cavity; a core pack that inserts into the cavity and comprising a plurality of batteries; a first cover coupled to a side of the case; and a second cover coupled to the other side of the case. The case further includes a plura
Provided is a battery pack. The battery pack includes: a case including a cavity; a core pack that inserts into the cavity and comprising a plurality of batteries; a first cover coupled to a side of the case; and a second cover coupled to the other side of the case. The case further includes a plurality of guide grooves formed in inner corners of the case and extending in a length direction of the case, and the core pack further includes a plurality of ridges that respectively slide into the guide grooves in the length direction of the case.
대표청구항▼
1. A battery pack comprising: a case comprising a cavity having a length direction and a width direction;a core pack that inserts into the cavity and comprising a plurality of batteries;a first cover coupled to a side of the case; anda second cover coupled to the other side of the case,wherein the c
1. A battery pack comprising: a case comprising a cavity having a length direction and a width direction;a core pack that inserts into the cavity and comprising a plurality of batteries;a first cover coupled to a side of the case; anda second cover coupled to the other side of the case,wherein the case further comprises a plurality of guide grooves having a first and second end formed in inner corners of the case and extending in a length direction of the case, andthe core pack further comprises a plurality of ridges that respectively slide into the guide grooves in the length direction of the case wherein plurality of ridges have a first side and a second side and wherein the plurality of guide grooves have a first and second side that are positioned adjacent the first and second side of a respective one of the plurality of ridges when the ridge is slid into the respective guide groove and wherein the first cover is coupled to the case using a plurality of fasteners having a shaft with an axis and wherein the shaft is positioned within at least one of the first and second end of the guide grooves so that the axis of the shaft extends along the length of the guide groove. 2. The battery pack of claim 1, wherein the fasteners comprise screws. 3. The battery pack of claim 1, wherein the core pack further comprises a first holder and a second holder that accommodate the batteries and are coupled together to face each other, and the ridges comprise first and second ridges formed on each of the first and second holders. 4. The battery pack of claim 3, wherein the first and second ridges are shorter than the first and second holders in the length direction of the case, and ends of the first and second ridges make contact with the fasteners, respectively. 5. The battery pack of claim 3, wherein the first holder comprises a first coupling part protruding toward the second holder, and the second holder comprises a second coupling part protruding toward the first holder and coupled to the first coupling part. 6. The battery pack of claim 5, wherein one of the first and second coupling parts further comprises a coupling hole, and the other of the first and second coupling parts further comprises a coupling protrusion that inserts into the coupling hole. 7. The battery pack of claim 3, wherein the core pack further comprises a protective circuit module electrically connected to the batteries, and the first and second holders comprise bosses formed on sides thereof to support the protective circuit module and protruding in a direction perpendicular to the length direction of the case. 8. The battery pack of claim 3, wherein the first and second holders comprise a plurality of accommodation holes into which the batteries are inserted, and stoppers are disposed on outer ends of the accommodation holes, respectively, so as to prevent separation of the batteries. 9. The battery pack of claim 8, wherein each of the first and second holders further comprises a plurality of open regions formed among the accommodation holes. 10. A battery pack comprising: a core pack comprising a plurality of batteries and first and second holders accommodating the batteries and coupled together to face each other; anda case accommodating the core pack having a length direction,wherein the case comprises a plurality of guide grooves having first and second ends formed in inner corners of the case and extending in a length direction of the case, andeach of the first and second holders comprises first and second ridges that slide into the guide grooves wherein plurality of ridges have a first side and a second side and wherein the plurality of guide grooves have a first and second side that are positioned adjacent the first and second side of a respective one of the plurality of ridges when the ridge is slid into the respective guide groove and wherein the first cover is coupled to the case using a plurality of fasteners having a shaft with an axis and wherein the shaft is positioned within at least one of the first and second end of the guide grooves so that the axis of the shaft extends along the length of the guide groove. 11. The battery pack of claim 10, wherein the first and second ridges extend in the length direction of the case, and the first and second ridges are shorter than the first and second holders in the length direction of the case. 12. The battery pack of claim 11, further comprising a first cover coupled to a side of the case, wherein the first cover is coupled to the case by using a plurality of fasteners, andthe fasteners are coupled to the guide grooves in the length direction of the case, respectively. 13. The battery pack of claim 12, wherein each of the guide grooves comprises: a circular hole formed in the length direction of the case; andan opening formed at a side of the circular hole to receive the first or second ridge. 14. The battery pack of claim 13, wherein ends of the first and second ridges make contact with the screws within the screw holes in the length direction of the case. 15. The battery pack of claim 10, wherein the first and second holders comprise a plurality of accommodation holes into which the batteries are inserted, and stoppers are disposed on outer ends of the accommodation holes, respectively, so as to prevent separation of the batteries. 16. The battery pack of claim 15, wherein the first holder comprises a first coupling part protruding toward the second holder, and the second holder comprises a second coupling part protruding toward the first holder and coupled to the first coupling part. 17. The battery pack of claim 16, wherein one of the first and second coupling parts further comprises a coupling hole, and the other of the first and second coupling parts further comprises a coupling protrusion that inserts into the coupling hole. 18. The battery pack of claim 15, wherein each of the first and second holders further comprises a plurality of open regions formed among the accommodation holes. 19. The battery pack of claim 10, wherein the core pack further comprises a protective circuit module electrically connected to the batteries, and the first and second holders further comprise bosses formed on sides thereof to support the protective circuit module and protruding in a direction perpendicular to the length direction of the case.
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이 특허에 인용된 특허 (2)
Tuccio William R. ; Stotz ; Jr. William H., Electrical cabinet.
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