Battery case for electric vehicle
First Claim
Patent Images
1. A battery case for an electric vehicle for containing therein battery modules, comprising:
- a tray member for supporting the battery modules;
a cover member to be put on top of the tray member, and fixed to the tray member,the tray member including a resin section constituted of a peripheral wall and bottom wall formed of a resin, an insert structure including at least one insert member embedded in the peripheral wall, and a seal member applied to a joint part between the tray member and cover member, andthe insert member including an embedded bolt arranged in the peripheral wall in such a manner that a threaded part thereof protrudes from the joint part of the tray member, and embedded nuts arranged in the peripheral wall of the tray member at positions different from the embedded bolt;
the battery case further comprising;
first fastening sections each of which is formed by screwing a nut member onto the embedded bolt, and fastening the nut member in a state where the cover member is put on top of the tray member; and
second fastening sections each of which is formed by screwing a bolt member into the embedded nut, and fastening the bolt member in the state where the cover member is put on top of the tray member, whereina first collar made of metal is arranged in a hole of a peripheral edge part of the cover member into which the embedded bolt is inserted, the first collar is interposed between the insert member and the nut member, a second collar is arranged in a hole of the peripheral edge part of the cover member into which the bolt member is inserted, and the second collar is interposed between the insert member and a head section of the bolt member.
2 Assignments
0 Petitions
Accused Products
Abstract
A battery case for containing therein battery modules includes a tray member, cover member, and seal member. The seal member is applied to a joint part between the tray member and cover member. Insert members made of metal are embedded in the resin of the tray member. Each of the insert members is provided with an embedded bolt a threaded part of which protrudes upward, and embedded nuts. The battery case is provided with first fastening sections and second fastening sections. In the first fastening section, a nut member is screwed onto the embedded bolt from above the cover member. In the second fastening section, a bolt member is screwed into the embedded nut from above the cover members.
-
Citations
8 Claims
-
1. A battery case for an electric vehicle for containing therein battery modules, comprising:
-
a tray member for supporting the battery modules; a cover member to be put on top of the tray member, and fixed to the tray member, the tray member including a resin section constituted of a peripheral wall and bottom wall formed of a resin, an insert structure including at least one insert member embedded in the peripheral wall, and a seal member applied to a joint part between the tray member and cover member, and the insert member including an embedded bolt arranged in the peripheral wall in such a manner that a threaded part thereof protrudes from the joint part of the tray member, and embedded nuts arranged in the peripheral wall of the tray member at positions different from the embedded bolt; the battery case further comprising; first fastening sections each of which is formed by screwing a nut member onto the embedded bolt, and fastening the nut member in a state where the cover member is put on top of the tray member; and second fastening sections each of which is formed by screwing a bolt member into the embedded nut, and fastening the bolt member in the state where the cover member is put on top of the tray member, wherein a first collar made of metal is arranged in a hole of a peripheral edge part of the cover member into which the embedded bolt is inserted, the first collar is interposed between the insert member and the nut member, a second collar is arranged in a hole of the peripheral edge part of the cover member into which the bolt member is inserted, and the second collar is interposed between the insert member and a head section of the bolt member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
Specification
-
- Resources
Litigation Campaign Assessment
Thank you for your request. You will receive a custom alert email when the Litigation Campaign Assessment is available.
×
-
Current AssigneeMitsubishi Jidosha Engineering Kabushiki Kaisha, Mitsubishi Jidosha Kogyo Kabushiki Kaisha
-
Original AssigneeMitsubishi Jidosha Engineering Kabushiki Kaisha, Mitsubishi Jidosha Kogyo Kabushiki Kaisha
-
InventorsIbuki, Takeshi, Takasaki, Seiichi, Nishino, Haruchika
-
Primary Examiner(s)Phan; Hau V
-
Assistant Examiner(s)AVERY, BRIDGET D
-
Application NumberUS12/410,165Publication NumberTime in Patent Office875 DaysField of Search180/68.5, 180/65.1, 180/65.21, 429/96, 429/97, 429/98, 429/99, 429/100US Class Current180/68.5CPC Class CodesB60K 1/04 of the electric storage mea...B60K 2001/0438 Arrangement under the floorB60K 2001/0472 from belowB60L 50/64 Constructional details of b...B60R 16/04 Arrangement of batteriesH01M 50/204 Racks, modules or packs for...H01M 50/227 Organic materialH01M 50/244 Secondary casings; Racks; S...H01M 50/249 specially adapted for aircr...H01M 50/262 with fastening means, e.g. ...Y02E 60/10 Energy storage using batteriesY02T 10/70 Energy storage systems for ...
