CN114103717A - Connecting mechanism for fixing battery pack - Google Patents
Connecting mechanism for fixing battery pack Download PDFInfo
- Publication number
- CN114103717A CN114103717A CN202111343748.8A CN202111343748A CN114103717A CN 114103717 A CN114103717 A CN 114103717A CN 202111343748 A CN202111343748 A CN 202111343748A CN 114103717 A CN114103717 A CN 114103717A
- Authority
- CN
- China
- Prior art keywords
- hole
- battery pack
- limiting
- floating nut
- fixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/80—Exchanging energy storage elements, e.g. removable batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
Abstract
The invention provides a connecting mechanism for fixing a battery pack, which comprises: spacing seat, floating nut, guide and mounting. The limiting seat is fixed on the frame and provided with a limiting cavity and a first through hole, and the limiting cavity is communicated with the first through hole. The floating nut is embedded in the limiting cavity, one end of the fixing part penetrates through the first through hole and then is movably connected with the floating nut, and the end part of the other end of the fixing part is provided with an inner hexagonal connecting groove. The guide sets up on the casing of battery package, and the guide is used for spacing the direction of motion of mounting, and the mounting inlays to be established in the inner chamber of guide. When the fixing piece and the floating nut rotate, the floating nut is clamped or loosened by the limiting seat, the fixing piece and the floating nut are screwed or separated, and then the battery pack is fixed or separated from the frame. The invention can improve the convenience of fixing or disassembling the battery pack.
Description
Technical Field
The invention relates to the technical field of battery pack fixing, in particular to a connecting mechanism for fixing a battery pack.
Background
At present, the new energy automobile field has more and more requirements on battery replacement, particularly for commercial vehicles, the rapid battery replacement is as rapid and convenient as fuel oil filling of a fuel oil vehicle for vehicle drivers, and a large amount of charging waiting time can be saved. The existing automobile battery pack is fixed with a plurality of different forms, namely a buckle type battery pack, a bolt and a cylinder, so that the cost is too high for the buckle type battery pack and the cylinder, the requirement on the processing precision of parts is too high, and the bearing structure needs to be maintained regularly. And the bolt is installed and is easily caused the risk of battery package quilt fish tail or collision when dismantling, consequently, how to provide a fixed coupling mechanism of battery package, makes battery package installation and change more convenient, has important meaning.
Disclosure of Invention
The invention provides a connecting mechanism for fixing a battery pack, which solves the problems of high cost and inconvenient replacement of the fixed battery pack of an automobile, and can improve the convenience of fixing or disassembling the battery pack and the maintenance production efficiency.
In order to achieve the above purpose, the invention provides the following technical scheme:
a coupling mechanism for battery pack securing, comprising: the device comprises a limiting seat, a floating nut, a guide piece and a fixing piece;
the limiting seat is fixed on the frame and provided with a limiting cavity and a first through hole, and the limiting cavity is communicated with the first through hole;
the floating nut is embedded in the limiting cavity, one end of the fixed part penetrates through the first through hole and then is movably connected with the floating nut, and the end part of the other end of the fixed part is provided with an inner hexagonal connecting groove;
the guide piece is arranged on a shell of the battery pack and used for limiting the movement direction of the fixing piece, and the fixing piece is embedded in an inner cavity of the guide piece;
when the fixing piece and the floating nut rotate, the floating nut is clamped or loosened by the limiting seat, the fixing piece and the floating nut are screwed or separated, and then the battery pack is fixed or separated from the frame.
Preferably, the guide piece is of a cylindrical structure, an inner cavity of the guide piece is an axial stepped through hole, and the fixing piece rotates up and down along the axial stepped through hole.
Preferably, the axial stepped through hole is provided with a limiting surface so as to limit the position of the fixing piece in a vertical movement manner.
Preferably, the fixing member includes: a bolt and a limit nut;
the limiting nut is sleeved on the bolt and used for limiting the vertical moving distance of the bolt in the inner cavity of the guide piece, and the tail end of the bolt is embedded with an inner hexagonal connecting groove.
Preferably, the axial stepped through hole is provided with at least one threaded hole, and the inner diameter of the threaded hole corresponds to the outer diameter of the bolt.
Preferably, the stopper seat includes: a sleeve and a base;
the first through hole is formed in the base, the sleeve is fixed to the base, the inner hole of the sleeve and the first through hole are coaxially arranged, the inner hole of the sleeve forms the limiting cavity, and the floating nut is limited and clamped.
Preferably, the inner hole of the sleeve adopts an inner hexagonal structure.
Preferably, the inner hole of the sleeve adopts an internal engagement ratchet structure.
Preferably, the inner bore diameter of the sleeve is greater than the distance between the opposite faces of the floating nut and less than the distance between the opposite angles of the floating nut.
The invention provides a connecting mechanism for fixing a battery pack, which is characterized in that a floating nut is arranged in a limiting seat and is arranged on a vehicle frame, a guide piece is arranged on a battery pack shell, one end of a fixing piece is movably connected with the floating nut, the other end of the fixing piece is embedded in the guide piece, and the battery pack and a vehicle are fixed to be clamped or disassembled when the fixing piece rotates up and down. The problem of fixed with high costs and change inconvenience of automobile battery package is solved, the convenience that the battery package was fixed or was dismantled can be improved, maintenance production efficiency is improved.
Drawings
In order to more clearly describe the specific embodiments of the present invention, the drawings to be used in the embodiments will be briefly described below.
Fig. 1 is a schematic structural diagram of a connection mechanism for fixing a battery pack according to the present invention.
Fig. 2 is a cross-sectional view of the connection provided by the present invention in a released state.
Fig. 3 is an exploded view of the connection mechanism provided by the present invention.
Fig. 4 is a cross-sectional view of a guide provided by the present invention.
Detailed Description
In order to make the technical field of the invention better understand the scheme of the embodiment of the invention, the embodiment of the invention is further described in detail with reference to the drawings and the implementation mode.
The problem that the replacement is inconvenient to fix the current automobile battery pack is solved. The invention provides a connecting mechanism for fixing a battery pack, which solves the problems of high cost and inconvenient replacement of the fixed battery pack of an automobile, and can improve the convenience of fixing or disassembling the battery pack and the maintenance production efficiency.
As shown in fig. 1 and 2, a coupling mechanism for battery pack fixation includes: spacing seat 2, floating nut 1, guide 5 and mounting 6. The limiting seat 2 is fixed on the frame 3, the limiting seat 2 is provided with a limiting cavity and a first through hole, and the limiting cavity is communicated with the first through hole. The floating nut 1 is embedded in the limiting cavity, one end of the fixing part 6 penetrates through the first through hole and then is movably connected with the floating nut 1, and the end part of the other end of the fixing part 6 is provided with an inner hexagonal connecting groove 61. The guide piece 5 is arranged on the shell 4 of the battery pack, the guide piece 5 is used for limiting the movement direction of the fixing piece 6, and the fixing piece 6 is embedded in the inner cavity of the guide piece 5. When the fixing piece 6 and the floating nut 1 rotate, the floating nut is clamped or loosened by the limiting seat 2, the fixing piece and the floating nut are screwed or separated, and then the battery pack is fixed or separated from the frame.
Specifically, on the frame can be welded to spacing seat, floating nut put at the inside spacing intracavity of spacing seat, through the spacing chamber space that inside was reserved to guarantee that floating nut can effectively move about the spacing intracavity about, thereby can absorb some manufacturing error. As shown in fig. 1, the internal thread 1 of the floating nut 1 is in threaded fit with the external thread of the fixing piece 6, so that the clamping effect of the frame 3 and the shell 4 of the battery pack is achieved, and meanwhile, the threaded fit of the guide piece 5 and the fixing piece 6 plays a role in guiding, so that the quick-change fixing piece cannot be inclined when being fastened, and the problem of poor threaded fit cannot be caused. Fig. 2 shows a cross-sectional view of the fixing member 6 and the floating nut 1 in a loosened state, as shown in fig. 3, the fixing member 6 is completely separated from the floating nut 1, the frame 3 and the housing 4 of the battery pack can be separated, and the fixing member 6 is limited by the guide member 5 so that the fixing member 6 does not fall off, the automatic equipment of the battery replacement station can be directly fastened after the battery replacement is finished, and the fixing member is fastened and loosened by operating with other equipment tools through the hexagon socket at the end of the fixing member. The mechanism can solve the problems that the automobile battery pack is fixed, the cost is high, the replacement is inconvenient, the convenience of fixing or disassembling the battery pack can be improved, and the maintenance production efficiency is improved.
As shown in fig. 3 and 4, the guide is a cylindrical structure, the inner cavity of the guide 5 is an axial stepped through hole 51, and the fixing member 6 is vertically rotatable along the axial stepped through hole 51.
Further, the axial stepped through hole 51 is provided with a limiting surface 52 for limiting the position of the fixing member in the up-and-down movement.
In one embodiment, as shown in fig. 3, the fixing member includes: a bolt and a limit nut; the limiting nut is sleeved on the bolt and used for limiting the vertical moving distance of the bolt in the inner cavity of the guide piece, and the tail end of the bolt is embedded with an inner hexagonal connecting groove.
Further, the axial stepped through hole is provided with at least one threaded hole, and the inner diameter of the threaded hole corresponds to the outer diameter of the bolt.
In one embodiment, the retainer includes: a sleeve and a base; the first through hole is formed in the base, the sleeve is fixed to the base, the inner hole of the sleeve and the first through hole are coaxially arranged, the inner hole of the sleeve forms the limiting cavity, and the floating nut is limited and clamped.
In one embodiment, the inner bore of the sleeve may be of a hexagonal socket configuration.
In another embodiment, the inner bore of the sleeve may employ an inter-engaging ratchet structure.
Further, the inner bore diameter of the sleeve is larger than the distance between opposite surfaces of the floating nut and smaller than the distance between opposite angles of the floating nut.
The invention provides a connecting mechanism for fixing a battery pack, which is characterized in that a floating nut is arranged in a limiting seat and is arranged on a vehicle frame, a guide piece is arranged on a battery pack shell, one end of a fixing piece is movably connected with the floating nut, the other end of the fixing piece is embedded in the guide piece, and the battery pack and a vehicle are fixed to be clamped or disassembled when the fixing piece rotates up and down. The problem of fixed with high costs and change inconvenience of automobile battery package is solved, the convenience that the battery package was fixed or was dismantled can be improved, maintenance production efficiency is improved.
The construction, features and functions of the present invention have been described in detail with reference to the embodiments shown in the drawings, but the present invention is not limited to the embodiments shown in the drawings, and all equivalent embodiments modified or modified by the spirit and scope of the present invention should be protected without departing from the spirit of the present invention.
Claims (9)
1. A connection mechanism for securing a battery pack, comprising: the device comprises a limiting seat, a floating nut, a guide piece and a fixing piece;
the limiting seat is fixed on the frame and provided with a limiting cavity and a first through hole, and the limiting cavity is communicated with the first through hole;
the floating nut is embedded in the limiting cavity, one end of the fixed part penetrates through the first through hole and then is movably connected with the floating nut, and the end part of the other end of the fixed part is provided with an inner hexagonal connecting groove;
the guide piece is arranged on a shell of the battery pack and used for limiting the movement direction of the fixing piece, and the fixing piece is embedded in an inner cavity of the guide piece;
when the fixing piece and the floating nut rotate, the floating nut is clamped or loosened by the limiting seat, the fixing piece and the floating nut are screwed or separated, and then the battery pack is fixed or separated from the frame.
2. The connecting mechanism as claimed in claim 1, wherein the guide member is a cylindrical structure, the inner cavity of the guide member is an axial step through hole, and the fixing member is movable up and down along the axial step through hole.
3. The connecting mechanism for fixing a battery pack as claimed in claim 2, wherein the axial stepped through hole is provided with a limiting surface for limiting the position of the fixing member when the fixing member moves up and down.
4. The connection mechanism for battery pack fixation as recited in claim 3, wherein the fixation member comprises: a bolt and a limit nut;
the limiting nut is sleeved on the bolt and used for limiting the vertical moving distance of the bolt in the inner cavity of the guide piece, and the tail end of the bolt is embedded with an inner hexagonal connecting groove.
5. The connection mechanism for battery pack fixation as recited in claim 4, wherein the axial stepped through hole is provided with at least one threaded hole having an inner diameter corresponding to an outer diameter of the bolt.
6. The connection mechanism for battery pack fixation as recited in claim 5, wherein the stopper seat comprises: a sleeve and a base;
the first through hole is formed in the base, the sleeve is fixed to the base, the inner hole of the sleeve and the first through hole are coaxially arranged, the inner hole of the sleeve forms the limiting cavity, and the floating nut is limited and clamped.
7. The connecting mechanism for battery pack fixation as recited in claim 6, wherein the inner hole of the sleeve adopts an inner hexagonal structure.
8. The connecting mechanism for battery pack fixation as recited in claim 6, wherein the internal bore of the sleeve adopts an internal ratchet structure.
9. The coupling mechanism for battery pack fixation as recited in claim 7 or 8, wherein the inner bore of the sleeve is larger than the opposing face distance of the floating nut and smaller than the opposing angular distance of the floating nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111343748.8A CN114103717A (en) | 2021-11-13 | 2021-11-13 | Connecting mechanism for fixing battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111343748.8A CN114103717A (en) | 2021-11-13 | 2021-11-13 | Connecting mechanism for fixing battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114103717A true CN114103717A (en) | 2022-03-01 |
Family
ID=80379595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111343748.8A Pending CN114103717A (en) | 2021-11-13 | 2021-11-13 | Connecting mechanism for fixing battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114103717A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006056435A (en) * | 2004-08-23 | 2006-03-02 | Nippon Sharyo Seizo Kaisha Ltd | Mounting structure of outer hood for railway vehicle |
| CN101702425A (en) * | 2009-10-30 | 2010-05-05 | 奇瑞汽车股份有限公司 | Battery installation structure for electric vehicles |
| CN105730209A (en) * | 2014-12-09 | 2016-07-06 | 北汽福田汽车股份有限公司 | Battery pack convenient to install |
| CN206171159U (en) * | 2016-08-31 | 2017-05-17 | 上海蔚来汽车有限公司 | Battery box locking device and including this battery box locking device's battery box |
| CN109501569A (en) * | 2018-01-04 | 2019-03-22 | 蔚来汽车有限公司 | Battery pack retaining mechanism |
| CN208646578U (en) * | 2018-07-23 | 2019-03-26 | 奥动新能源汽车科技有限公司 | Positioning component and battery pack change level platform, fast-changed support assembly and electric vehicle |
| CN208730785U (en) * | 2018-08-24 | 2019-04-12 | 上海纳特汽车标准件有限公司 | Battery pack frame joint structure |
| CN209096458U (en) * | 2018-11-27 | 2019-07-12 | 高红丽 | A kind of power battery of pure electric automobile retaining mechanism |
| EP3868599A1 (en) * | 2018-10-15 | 2021-08-25 | Hangzhou Hikrobot Technology Co., Ltd. | Battery assembly locking device and automated guided vehicle |
| CN113479050A (en) * | 2020-03-17 | 2021-10-08 | 奥动新能源汽车科技有限公司 | Battery pack locking mechanism, bracket assembly, electric automobile and battery pack locking method |
-
2021
- 2021-11-13 CN CN202111343748.8A patent/CN114103717A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006056435A (en) * | 2004-08-23 | 2006-03-02 | Nippon Sharyo Seizo Kaisha Ltd | Mounting structure of outer hood for railway vehicle |
| CN101702425A (en) * | 2009-10-30 | 2010-05-05 | 奇瑞汽车股份有限公司 | Battery installation structure for electric vehicles |
| CN105730209A (en) * | 2014-12-09 | 2016-07-06 | 北汽福田汽车股份有限公司 | Battery pack convenient to install |
| CN206171159U (en) * | 2016-08-31 | 2017-05-17 | 上海蔚来汽车有限公司 | Battery box locking device and including this battery box locking device's battery box |
| CN109501569A (en) * | 2018-01-04 | 2019-03-22 | 蔚来汽车有限公司 | Battery pack retaining mechanism |
| CN208646578U (en) * | 2018-07-23 | 2019-03-26 | 奥动新能源汽车科技有限公司 | Positioning component and battery pack change level platform, fast-changed support assembly and electric vehicle |
| CN208730785U (en) * | 2018-08-24 | 2019-04-12 | 上海纳特汽车标准件有限公司 | Battery pack frame joint structure |
| EP3868599A1 (en) * | 2018-10-15 | 2021-08-25 | Hangzhou Hikrobot Technology Co., Ltd. | Battery assembly locking device and automated guided vehicle |
| CN209096458U (en) * | 2018-11-27 | 2019-07-12 | 高红丽 | A kind of power battery of pure electric automobile retaining mechanism |
| CN113479050A (en) * | 2020-03-17 | 2021-10-08 | 奥动新能源汽车科技有限公司 | Battery pack locking mechanism, bracket assembly, electric automobile and battery pack locking method |
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