# US 2024/0204331 A1 · Top cover, battery, and electrical device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2024/0204331 A1 - Document ID: US20240204331A1 - Status: Published application - Kind: A1 - Application number: 18/590,224 - Filed: 2024-02-28 - Published: 2024-06-20 - Earliest claimed: 2022-01-06 - Assignees: Contemporary Amperex Technology Co., Limited - Applicants: Contemporary Amperex Technology Co., Limited - Inventors: Zhijie HUANG; Xin PAN; Zhiming CHEN; Huimin MIAO; Xiaoyin YU - Web page: https://patentgrep.com/patent/US20240204331A1 ## CPC - H01M 50/244: Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method - H01M 50/256: Carrying devices, e.g. belts - H01M 50/249: specially adapted for aircraft or vehicles, e.g. cars or trains (constructional details of batteries specially adapted for electric vehicles B60L50/64) - H01M 50/262: with fastening means, e.g. locks - H01M 50/271: Lids or covers for the racks or secondary casings - B60L 50/64: Constructional details of batteries specially adapted for electric vehicles - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - Y02E 60/10: Energy storage using batteries - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A top cover includes a first cover plate, a first side plate, and a second side plate. The first side plate and the second side plate are opposite to each other and connected to one side of the first cover plate. A first through-hole and a second through-hole opposite to each other are created on the first side plate and the second side plate respectively. The first connecting seat is connected to a surface of the first side plate, the surface being oriented toward the second side plate. ## Claims ### Claim 1 A top cover, comprising: a cover body, wherein the cover body comprises: a first cover plate, a first side plate, and a second side plate; the first side plate and the second side plate are opposite to each other and connected to one side of the first cover plate; and a first through-hole and a second through-hole opposite to each other are created on the first side plate and the second side plate respectively; a first connecting seat, wherein the first connecting seat is connected to a surface of the first side plate, the surface being oriented toward the second side plate; and a first groove communicating with the first through-hole is created on the first connecting seat; and a second connecting seat, wherein the second connecting seat is connected to a surface of the second side plate, the surface being oriented toward the first side plate; and a second groove communicating with the second through-hole is created on the second connecting seat. ### Claim 2 (depends on 1) The top cover according to claim 1, further comprising: a first connecting rod, wherein a part of the first connecting rod passes through the first through-hole and is fixed in the first groove; a second connecting rod, wherein a part of the second connecting rod passes through the second through-hole and is fixed in the second groove; and a carrying handle, wherein two ends of the carrying handle are fitted to the first connecting rod outside the first through-hole and the second connecting rod outside the second through-hole respectively, and the two ends of the carrying handle are rotatable relative to the first connecting rod and the second connecting rod respectively. ### Claim 3 (depends on 2) The top cover according to claim 2, wherein: a first thread and a second thread matching each other are disposed on the first connecting rod and in the first groove respectively; and/or a third thread and a fourth thread matching each other are disposed on the second connecting rod and in the second groove respectively. ### Claim 4 (depends on 3) The top cover according to claim 3, wherein: a first nut is disposed in the first groove, the second thread is disposed on the first nut, and the second thread of the first nut is connected to the first thread of the first connecting rod; a second nut is disposed in the second groove, the fourth thread is disposed on the second nut, and the fourth thread of the second nut is connected to the third thread of the second connecting rod; and both the first nut and the second nut are metal pieces. ### Claim 5 (depends on 2) The top cover according to claim 2, wherein: a first limiting bulge protrudes from a circumferential surface of a part of the first connecting rod, the part being located outside the first groove; and one end of the carrying handle is fitted between the first side plate and the first limiting bulge; and/or a second limiting bulge protrudes from a circumferential surface of a part of the second connecting rod, the part being located outside the second groove; and another end of the carrying handle is fitted between the second side plate and the second limiting bulge. ### Claim 6 (depends on 5) The top cover according to claim 5, wherein: the first limiting bulge is disposed around the first connecting rod for one circle along the circumferential surface of the first connecting rod; and/or the second limiting bulge is disposed around the second connecting rod for one circle along the circumferential surface of the second connecting rod. ### Claim 7 (depends on 2) The top cover according to claim 2, wherein: the first groove is close to a first end of the first side plate; and the cover body further comprises a third side plate, wherein the third side plate is disposed at one end of the first side plate and connected to the first side plate, the second side plate, and the first cover plate separately; two ends of the third side plate protrude out of the first side plate and the second side plate respectively; and protruding dimensions of the third side plate at the two ends are greater than or equal to a dimension by which the first connecting rod extends outside the first through-hole and a dimension by which the second connecting rod extends outside the second through-hole, respectively. ### Claim 8 (depends on 7) The top cover according to claim 7, wherein: the cover body further comprises a fourth side plate, a second cover plate, and a side enclosure plate; the fourth side plate and the third side plate are opposite to each other and connected to the first side plate, the second side plate, and the first cover plate separately; the second cover plate comprises a first surface and a second surface oriented back from each other; a through-hole running through the first surface and the second surface is created in the second cover plate; the first side plate, the third side plate, the second side plate, and the fourth side plate are all connected to an edge on one side of the through-hole and close an opening on the one side of the through-hole; and the side enclosure plate wraps around the second surface for one circle. ### Claim 9 (depends on 1) The top cover according to claim 1, wherein: the first connecting seat is disposed apart from the first cover plate; and the second connecting seat is disposed apart from the first cover plate. ### Claim 10 (depends on 9) The top cover according to claim 9, wherein: a first cushion is sandwiched between the first connecting seat and the first cover plate; and/or a second cushion is sandwiched between the second connecting seat and the first cover plate. ### Claim 11 (depends on 10) The top cover according to claim 10, wherein: a shape of the first cushion on a side toward the first cover plate matches a shape of the first cover plate on a side toward the first cushion, and at least one third limiting bulge protrudes from the first cover plate toward the first connecting seat; and/or a shape of the second cushion on a side toward the first cover plate matches a shape of the first cover plate on a side toward the second cushion, and at least one fourth limiting bulge protrudes from the first cover plate toward the second connecting seat. ### Claim 12 (depends on 11) The top cover according to claim 11, wherein: a number of the third limiting bulges is plural, and the plurality of third limiting bulges are parallel to each other; and/or a number of the fourth limiting bulges is plural, and the plurality of fourth limiting bulges are parallel to each other. ### Claim 13 (depends on 1) The top cover according to claim 1, wherein: a transition between the first connecting seat and the first side plate is arcuate; and/or a transition between the second connecting seat and the second side plate is arcuate. ### Claim 14 (depends on 1) A battery, comprising: the top cover according to claim 1. ### Claim 15 (depends on 14) An electrical device, comprising: the battery according to claim 14.