CN114883727A - Integrated lithium battery pack of sightseeing electric vehicle - Google Patents
Integrated lithium battery pack of sightseeing electric vehicle Download PDFInfo
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- CN114883727A CN114883727A CN202210588859.3A CN202210588859A CN114883727A CN 114883727 A CN114883727 A CN 114883727A CN 202210588859 A CN202210588859 A CN 202210588859A CN 114883727 A CN114883727 A CN 114883727A
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- Prior art keywords
- lithium battery
- battery pack
- mounting
- plug
- block
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 121
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 121
- 238000000034 method Methods 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims description 33
- 238000003780 insertion Methods 0.000 description 26
- 230000037431 insertion Effects 0.000 description 26
- 210000004027 cell Anatomy 0.000 description 19
- 238000009434 installation Methods 0.000 description 14
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 8
- 229910001416 lithium ion Inorganic materials 0.000 description 8
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000010406 cathode material Substances 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- H01M50/202—Casings or frames around the primary casing of a single cell or a single battery
-
- 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
-
- 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
-
- 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
- H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
-
- 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
Abstract
The invention discloses an integrated lithium battery pack of a sightseeing electric vehicle, which relates to the field of lithium battery packs and comprises a lithium battery pack body and a mounting seat for mounting the lithium battery pack body; the self-locking assembly is arranged on the mounting seat, and the self-locking assembly is driven to lock and limit the lithium battery pack body in the process that the lithium battery pack body is inserted into the mounting seat downwards. The lithium battery pack comprises a lithium battery pack body and a mounting seat for mounting the lithium battery pack body; the self-locking assembly is arranged on the mounting seat, and the self-locking assembly is driven to lock and limit the lithium battery pack body in the process that the lithium battery pack body is inserted into the mounting seat downwards.
Description
Technical Field
The invention relates to a lithium battery pack technology, in particular to an integrated lithium battery pack of a sightseeing electric vehicle.
Background
The lithium ion battery is a new type of high-energy storage battery that was first introduced to the market by sony corporation of japan in 1990. Its advantages are high specific energy and high storage power. Have already gained popularization and application in portable information products. Lithium ion batteries are generally recognized as having the following advantages: the specific energy is large; the specific power is high; the self-discharge is small; no memory effect; the cycle characteristic is good; the discharge can be rapidly realized, and the efficiency is high; the working temperature range is wide; no environmental pollution, etc., and is expected to enter the best power supply line in the 21 st century. It is expected that the market share of MH/Ni batteries will shrink as lithium ion batteries evolve further during 2006-2012. The market share of lithium ions will expand. Electric bicycle products using lithium ion batteries have been sold. Under the promotion of the development of novel cheap cathode materials with good safety, good cycle performance and high specific capacity, the lithium ion storage battery for the electric bicycle is close to practical use. There are several lithium ion batteries for electric bicycles that have been provided to be more sophisticated and equipped with a Battery Management System (BMS). There are also electric bicycle manufacturers that are specialized in the production of lithium ion batteries.
In the publication: CN110306885A, published: 2019-10-08, entitled "a lithium battery module", which comprises a lithium battery and a module box provided with a module cavity; the lithium battery is arranged in the module cavity; the side surface of the module box is also provided with an installation cavity; the mounting assembly is fixedly arranged in the mounting cavity, and the bottom end surface of the mounting assembly is exposed out of the bottom end surface of the mounting cavity; the assembly and the fixing piece are also installed; the mounting assembly comprises a mounting box, a moving piece, a movable locking piece and two locking pieces; the locking pieces are hinged with the mounting box, the two locking pieces are oppositely arranged, and one end of each locking piece is a locking end; the other end of the locking piece is a propping end; a locking block is fixedly arranged at the locking end; the moving part comprises a propping block and a moving column fixedly connected with the propping block. According to the invention, no fastener is exposed from the module box, the module box is difficult to separate from the fixing piece from the outside of the module box, and the anti-theft performance of the lithium battery module is higher.
In the prior art including above-mentioned patent, current lithium cell group is generally all through bolt fixed mounting on the sightseeing electric motor car, and the phenomenon that the spiral shell is two to drop can appear at the in-process that traveles in the electric motor car for lithium cell group fixed mounting is not very firm on the electric motor car, and the lithium cell will need to be changed after using a period of time simultaneously, need dismantle with the help of instruments such as spanners at the in-process to the lithium cell installation, consequently is comparatively loaded down with trivial details at the in-process of installation and dismantlement.
Disclosure of Invention
The invention aims to provide an integrated lithium battery pack of a sightseeing electric vehicle, which is used for solving the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
an integrated lithium battery pack of a sightseeing electric vehicle comprises a lithium battery pack body and a mounting seat for mounting the lithium battery pack body; the self-locking assembly is arranged on the mounting seat, and the self-locking assembly is driven to lock and limit the lithium battery pack body in the process that the lithium battery pack body is inserted into the mounting seat downwards.
Preferably, the self-locking assembly comprises a plurality of groups of plug-in units and a plurality of driving units, each plug-in unit is respectively connected to the mounting seat in a sliding manner, and each driving unit is used for driving each plug-in unit to move so as to realize locking and limiting of the lithium battery pack body.
The bottom end of the lithium battery pack body is respectively and rotatably connected with a plurality of inserting columns, and each inserting column is in one-to-one correspondence with each inserting unit;
preferably, a plurality of mounting holes corresponding to the inserting columns one to one are respectively formed in the mounting seat.
Preferably, each plug-in unit comprises a mounting hole formed in the mounting seat and at least two plug-in blocks moving in the radial direction of the mounting hole, and each plug-in block is connected with the mounting seat through an elastic piece.
Preferably, the driving unit includes a driving block slidably connected in a direction of a radial direction of each mounting hole, and the driving block and each insertion block are connected by a link.
Preferably, each of the inserting columns is provided with an inserting hole at a position corresponding to each of the inserting blocks.
Preferably, the method further comprises the following steps: and the unlocking assembly is used for enabling each plug-in unit to be separated from the lithium battery pack body so as to realize unlocking.
Preferably, the unlocking assembly comprises a rotary disc rotatably connected to the mounting seat, a transmission unit for driving the rotary disc to rotate, and a connection unit connected with each plug-in unit.
Preferably, the connection unit includes sliders on the mounting seats and hinge rods hinged between the respective sliders and the turntable.
Preferably, the transmission unit includes a push-pull shaft slidably connected to the mounting seat, and a third transmission rod hinged between the push-pull shaft and the sliding member.
In the technical scheme, the self-locking assembly is driven to lock the lithium battery pack body in the process of downward movement of the lithium battery pack body, so that a user can conveniently install the lithium battery pack, the self-locking assembly is adopted to lock the lithium battery pack body, the lithium battery pack body on the electric vehicle is enabled to have the condition that bolts fall off, the operation is simple and convenient in the installation and disassembly processes, and tools are not needed.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic structural diagram of a lithium battery pack assembly according to an embodiment of the present invention;
fig. 2 is a schematic bottom structure diagram of a mounting base according to an embodiment of the present invention;
fig. 3 is a schematic view of an installation structure of a turntable according to an embodiment of the present invention;
FIG. 4 is a schematic view of an installation structure of a plug block according to an embodiment of the present invention;
fig. 5 is a schematic view of a mounting structure of a push-pull shaft according to an embodiment of the present invention
FIG. 6 is a schematic view of an installation structure of a clamping block according to an embodiment of the present invention;
fig. 7 is a schematic view of an installation structure of the lifting platform according to the embodiment of the present invention;
fig. 8 is a schematic view illustrating an assembly of a lithium battery pack and a mounting base according to an embodiment of the present invention;
fig. 9 is a schematic view of an installation structure of the plugging column according to the embodiment of the present invention;
FIG. 10 is a schematic structural diagram of a clamp block according to an embodiment of the present invention;
FIG. 10a is an enlarged view of a portion of A in FIG. 10 according to an embodiment of the present invention;
FIG. 11 is a schematic structural diagram of a mounting base according to an embodiment of the present invention;
fig. 11a is a schematic structural diagram of a transmission block according to an embodiment of the present invention.
Description of the reference numerals:
1. a mounting seat; 1.01, mounting holes; 1.02, a first mounting groove; 1.03, a first spring; 1.04, a second mounting groove; 1.05, a rectangular groove; 1.06, a third mounting groove; 1.1, inserting blocks; 1.2, connecting rods; 1.20, a transmission block; 1.201, a limit groove; 1.3, a rectangular block; 1.30, a limiting rod; 1.4, a hinge rod; 1.5, a turntable; 1.6, a lifting platform; 1.60, a support column; 1.7, a first transmission rod; 1.8, a second transmission rod; 1.9, a moving block; 1.10, a push-pull shaft; 1.11, a clamping block; 1.110, a rotating shaft; 1.111, torsion spring; 1.13, a sleeve; 1.14, a third transmission rod; 1.15, a second spring; 2. a lithium battery pack body; 2.01, a clamping groove; 2.1, inserting columns; 2.10, inserting holes.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 11a, the invention provides an integrated lithium battery pack of a sightseeing electric vehicle, which comprises a lithium battery pack body 2 and a mounting seat 1 for mounting the lithium battery pack body 2; be provided with the auto-lock subassembly on the mount pad 1, the in-process drive auto-lock subassembly that lithium cell group body 2 inserted mount pad 1 downwards pins lithium cell group body 2 spacing.
Specifically, lithium cell group body 2 is including the casing that is used for installing the lithium cell module among the prior art, be provided with on the casing offer with be used for installing the mounting hole 1.01 of casing, the mounting groove perhaps is used for the protruding portion, and then install and fix the lithium cell through the mounting groove or be used for protruding portion and bolt installation realization on mount pad 1, because the lithium cell group module has certain life, it is weaker to exceed the storage capacity that the life leads to the lithium cell, will dismantle lithium cell group body 2 from the electric motor car with the help of the instrument this moment, then at new lithium cell module.
It sets up in the bottom of mount pad 1 of auto-lock subassembly for fix lithium battery module, auto-lock subassembly grafting, joint or some other connection modes of dismantling the connection install lithium battery pack body 2 on mount pad 1, the auto-lock subassembly inserts or block into the mounting hole 1.01 of lithium battery module casing through the mode of grafting or joint, the mounting groove perhaps is used for the protruding portion on and realize installing lithium battery pack body 2.
The auto-lock subassembly passes through elastic element and sets up on mount pad 1, its activity sets up on mount pad 1, insert the in-process of mount pad 1 at lithium cell group body 2, make auto-lock subassembly atress remove on mount pad 1, rotate or remove and rotate the motion of the mode that combines together, the casing through lithium cell module inserts the stroke of inserting of mount pad 1 and triggers the auto-lock subassembly, make the auto-lock subassembly remove on mount pad 1, rotate, after elastic element compression to the biggest deformation volume, produce elastic drive auto-lock subassembly and reset, and then realize organizing 2 fixed mounting with lithium cell in the installation, realize carrying out the locking to lithium cell, be the problem that operating procedure is comparatively simple and easy also can not the bolt drop in the installation.
According to the integrated lithium battery pack of the sightseeing electric vehicle, the self-locking assembly is driven to lock the lithium battery pack body 2 in the process that the lithium battery pack body 2 moves downwards, so that a user can conveniently install the lithium battery pack, and then the self-locking assembly is adopted to lock the lithium battery pack body 2, so that the lithium battery pack body 2 on the electric vehicle has the condition that bolts fall off, the operation is simple and convenient in the installation and disassembly processes, and tools are not needed.
Referring to fig. 2 to 6, in another embodiment provided by the present invention, the self-locking assembly includes a plurality of sets of plug-in units and a plurality of driving units, each plug-in unit is slidably connected to the mounting base 1, and each driving unit is configured to drive each plug-in unit to move so as to lock and limit the lithium battery pack body 2.
Each inserting unit comprises an installing hole 1.01 formed in the installing seat 1 and at least two inserting blocks 1.1 moving in the radial direction of the installing hole 1.01, and each inserting block 1.1 is connected with the installing seat 1 through an elastic piece.
The driving unit comprises a transmission block 1.20 which is connected with each mounting hole 1.01 in a sliding mode in the radial direction, and the transmission block 1.20 is connected with each insertion block 1.1 through a connecting rod 1.2.
Specifically, four mounting holes 1.01 are respectively formed in the positions, located at four corners, of the bottom end of the mounting base 1, each mounting hole 1.01 can be a through hole or a blind hole, preferably a through hole in the embodiment, two insertion blocks 1.1 and a transmission block 1.20 are respectively connected in a sliding manner in the radial direction of each mounting, and a connecting rod 1.2 is hinged between each transmission block 1.20 and each insertion block 1.1;
as shown in fig. 11, three first mounting grooves 1.02 are formed in each mounting hole 1.01 in the radial direction, wherein two first mounting grooves 1.02 are located on the same horizontal line, another first mounting groove 1.02 is perpendicular to the two first mounting grooves 1.02, two first mounting grooves 1.02 located on the same horizontal line are connected with the splicing block 1.1 matched with the first mounting groove in a sliding manner, and each first mounting groove 1.02 matched with the splicing block 1.1 is connected with a first spring 1.03 in a fixed manner, the other end of each first spring 1.03 is respectively connected to each splicing block 1.1 corresponding to the first spring, and a transmission block 1.20 matched with the first mounting groove 1.02 is connected in a sliding manner in the other first mounting groove 1.02 perpendicular to the first spring.
In the using process, when the lithium battery pack body 2 is inserted into the insertion process of the mounting seat 1, each insertion block 1.1 positioned on the mounting hole 1.01 is stressed, a wedge-shaped inclined surface is arranged on the upper surface of each insertion block 1.1, each insertion block 1.1 moves towards the direction, far away from the mounting hole 1.01, of the mounting hole 1.01 after being stressed, each insertion block 1.1 moves in the radial direction of installation, a first spring 1.03 corresponding to each insertion block 1.1 is compressed in the moving process of each insertion block 1.1, after the first spring 1.03 is compressed to the maximum deformation amount, the first spring 1.03 has the tendency of recovering the original length, the first spring 1.03 generates elastic force to drive each insertion block 1.1 fixedly connected with the first spring to reset, each insertion block 1.1 is enabled to limit and lock the lithium battery pack body 2, and a user can conveniently install the lithium battery pack body 2.
Referring to fig. 2 and 9, in another embodiment of the present invention, the bottom end of the lithium battery pack body 2 is respectively and rotatably connected with a plurality of plugging columns 2.1, and each plugging column 2.1 is arranged corresponding to each plugging unit one by one;
a plurality of mounting holes 1.01 which correspond to the inserting columns 2.1 one to one are respectively arranged on the mounting seat 1;
each inserting column 2.1 is provided with an inserting hole 2.10 at the position corresponding to each inserting block 1.1.
Specifically, lithium cell body's bottom four corners position all seted up one with the joint groove 2.01 of grafting post 2.1 looks adaptation, rotate to the horizontality when grafting post 2.1 and make grafting post 2.1 just in time be located rather than the joint groove 2.01 of the setting that corresponds, each grafting post 2.1 is close to the week side of bottom position department and has seted up two spliced eye 2.10 respectively, each spliced eye 2.10 sets up with the position one-to-one of each grafting piece 1.1.
In the using process, when the lithium battery pack body 2 is inserted into the mounting seat 1, each inserting column 2.1 at the bottom end of the lithium battery pack is rotated to a state perpendicular to the lithium battery pack, at the moment, the lithium battery pack is inserted into the mounting seat 1, each inserting column 2.1 abuts against each inserting block 1.1 positioned at the position of the mounting hole 1.01 in the inserting process, each inserting block 1.1 is further stressed in the radial direction of the mounting hole 1.01 after being stressed, each inserting block 1.1 positioned on the mounting hole 1.01 is further stressed, a wedge-shaped inclined surface is arranged on the upper surface of each inserting block 1.1, each inserting block 1.1 moves in the direction of the mounting hole 1.01 far away from the mounting hole 1.01 after being stressed, each inserting block 1.1 moves in the radial direction of the mounting, and each inserting block 1.1 compresses a first spring 1.03 corresponding to each inserting block 1.1 in the moving process, after first spring 1.03 compression to the biggest deformation volume, the spliced eye 2.10 on each spliced pole 2.1 this moment just in time corresponds rather than each spliced block 1.1, make first spring 1.03 have a trend of recovering original length, and then make first spring 1.03 produce each spliced block 1.1 of elasticity drive insert rather than correspond in the spliced eye 2.10 that sets up, and then make each spliced block 1.1 carry out spacing locking to lithium cell group body 2, the person of facilitating the use installs lithium cell group body 2.
Referring to fig. 2-6, in another embodiment, the present invention further comprises: and the unlocking assembly is used for enabling each plug-in unit to be separated from the lithium battery pack body 2 so as to realize unlocking.
The unlocking assembly comprises a rotary table 1.5 rotationally connected to the mounting base 1, a transmission unit used for driving the rotary table 1.5 to rotate and a connecting unit connected with each inserting unit.
The connection unit comprises slides on the mounting 1 and a hinge bar 1.4 hinged between each slide and the turntable 1.5.
The transmission unit comprises a push-pull shaft 1.10 which is connected on the mounting seat 1 in a sliding way and a third transmission rod 1.14 which is hinged between the push-pull shaft 1.10 and the sliding part.
Specifically, the unlocking unit comprises a rotary table 1.5 which is rotatably connected to the bottom end of the mounting seat 1, the rotary table 1.5 is located at the center of the mounting seat 1, the connecting unit comprises sliding pieces which are slidably connected to the mounting seat 1, each sliding piece is respectively connected with a driving unit which is correspondingly arranged on the sliding piece, and each sliding piece is connected with the rotary table 1.5 through a hinge rod 1.4;
as shown in fig. 5 and 11-11a, the sliding member includes a rectangular block 1.3 slidably connected to the mounting base 1 and a limiting rod 1.30 fixedly connected to the rectangular block 1.3, the bottom end of the mounting base 1 is provided with two rectangular grooves 1.05 adapted to the rectangular block 1.3 in mirror symmetry, a rectangular block 1.3 is slidably connected in each rectangular groove 1.05, each transmission block 1.20 is provided with a limiting groove 1.201 adapted to the limiting rod 1.30, the limiting rod 1.30 is located in each limiting groove 1.201 correspondingly arranged, and a hinge rod 1.4 is hinged between the rotary table 1.5 and each rectangular block 1.3;
the transmission unit comprises a push-pull shaft 1.10 which is connected on the mounting seat 1 in a sliding way and a third transmission rod 1.14 which is hinged between the push-pull shaft 1.10 and the sliding part.
A second mounting groove 1.04 is formed in the mounting seat 1 and perpendicular to each rectangular groove 1.05, a push-pull block matched with the second mounting groove 1.04 is arranged on the push-pull shaft 1.10, and a third transmission rod 1.14 is hinged between the push-pull block and the rectangular block 1.3.
In the using process, when the lithium battery pack body 2 is inserted into the mounting seat 1, each inserting column 2.1 at the bottom end of the lithium battery pack is rotated to a state perpendicular to the lithium battery pack, at the moment, the lithium battery pack is inserted into the mounting seat 1, each inserting column 2.1 abuts against each inserting block 1.1 positioned at the position of the mounting hole 1.01 in the inserting process, each inserting block 1.1 is further stressed in the radial direction of the mounting hole 1.01 after being stressed, each inserting block 1.1 positioned on the mounting hole 1.01 is further stressed, a wedge-shaped inclined surface is arranged on the upper surface of each inserting block 1.1, each inserting block 1.1 moves in the direction of the mounting hole 1.01 far away from the mounting hole 1.01 after being stressed, each inserting block 1.1 moves in the radial direction of the mounting, and each inserting block 1.1 compresses a first spring 1.03 corresponding to each inserting block 1.1 in the moving process, after the first spring 1.03 is compressed to the maximum deformation amount, the plug holes 2.10 on the plug columns 2.1 correspond to the plug blocks 1.1 of the first spring, so that the first spring 1.03 has a tendency of recovering the original length, the first spring 1.03 generates elasticity to drive the plug blocks 1.1 to be inserted into the plug holes 2.10 correspondingly arranged with the plug blocks, and the plug blocks 1.1 are limited and locked on the lithium battery pack body 2, and a user can install the lithium battery pack body 2 conveniently;
when a user needs to replace the lithium battery pack, at the moment, the user manually pushes the push-pull shaft 1.10 to enable the push-pull shaft 1.10 to move towards the direction close to the rotary table 1.5, so that the push-pull shaft 1.10 drives the third transmission rod 1.14 to move, the third transmission rod 1.14 drives the rectangular block 1.3 to move towards the direction of the insertion block 1.1, the rotary table 1.5 is further swung, the rectangular block 1.3 drives the transmission block 1.20 to move, the transmission block 1.20 drives the connecting rod 1.2 to move, the insertion block 1.1 is separated from the insertion hole 2.10 on the periphery of the insertion column 2.1 when each connecting rod 1.2 drives the insertion block to move, and then the lithium battery pack is unlocked.
Referring to fig. 2 to 6, in another embodiment of the present invention, the present invention further includes an ejection mechanism, the ejection mechanism is disposed on the mounting base 1, and the ejection mechanism ejects the lithium battery pack body 2 after the unlocking of the unlocking assembly is completed, so as to detach the lithium battery pack body 2.
The ejection mechanism comprises a lifting platform 1.6 vertically connected to the mounting base 1 in a sliding mode, a second spring 1.15 located between the mounting base 1 and the lifting platform 1.6 and a compression assembly, and the compression assembly is used for compressing the second spring 1.15 to enable the second spring 1.15 not to generate elastic force in the process that the lithium battery pack body 2 is inserted into the mounting base 1.
Specifically, a supporting column 1.60 is arranged at the bottom end of the lifting platform 1.6, a through hole matched with the supporting column 1.60 is formed in the axis position of the rotary table 1.5 in a penetrating manner, the supporting column 1.60 penetrates through the through hole, a second spring 1.15 is arranged at the position, located on the rotary table 1.5, of the bottom end of the inner wall of the mounting base 1, the second spring 1.15 is sleeved outside the supporting column 1.60, one end of the second spring 1.15 is abutted to the bottom end of the inner wall of the mounting base 1, and the other end of the second spring 1.15 is abutted to the bottom end of the lifting platform 1.6;
the compression assembly comprises a moving block 1.9 which is connected to the mounting base 1 in a sliding mode, a sleeve 1.13 which is coaxially sleeved with the push-pull shaft 1.10, a first transmission rod 1.7 which is connected between the supporting column 1.60 and the moving block 1.9, and a second transmission rod 1.8 which is connected between the supporting column 1.60 and the sleeve 1.13; a third mounting groove 1.06 matched with the moving block 1.9 is formed in the mounting seat 1, and the moving block 1.9 is located in the third mounting groove 1.06.
The push-pull shaft 1.10 is rotatably connected with two clamping blocks 1.11 used for limiting the sleeve 1.13, the periphery of the push-pull shaft 1.10 is fixedly connected with two hinged seats, each hinged seat is arranged in one-to-one correspondence with each clamping block 1.11, each clamping block 1.11 is fixedly connected with a rotating shaft 1.110, a torsion spring 1.111 is sleeved on the rotating shaft 1.110, one support leg of the torsion spring 1.111 is fixedly connected with the rotating shaft 1.110, and the other support leg of the torsion spring 1.111 is fixedly connected with the hinged seats.
In the using process, when the lithium battery pack body 2 is inserted into the mounting seat 1, each inserting column 2.1 at the bottom end of the lithium battery pack is rotated to a state perpendicular to the lithium battery pack, at the moment, the lithium battery pack is inserted into the mounting seat 1, each inserting column 2.1 abuts against each inserting block 1.1 positioned at the position of the mounting hole 1.01 in the inserting process, each inserting block 1.1 is further stressed in the radial direction of the mounting hole 1.01 after being stressed, each inserting block 1.1 positioned on the mounting hole 1.01 is further stressed, a wedge-shaped inclined surface is arranged on the upper surface of each inserting block 1.1, each inserting block 1.1 moves in the direction of the mounting hole 1.01 far away from the mounting hole 1.01 after being stressed, each inserting block 1.1 moves in the radial direction of the mounting, and each inserting block 1.1 compresses a first spring 1.03 corresponding to each inserting block 1.1 in the moving process, after the first spring 1.03 is compressed to the maximum deformation amount, the plug holes 2.10 on the plug columns 2.1 correspond to the plug blocks 1.1 of the first spring, so that the first spring 1.03 has a tendency of recovering the original length, the first spring 1.03 generates elasticity to drive the plug blocks 1.1 to be inserted into the plug holes 2.10 correspondingly arranged with the plug blocks, and the plug blocks 1.1 are limited and locked on the lithium battery pack body 2, and a user can install the lithium battery pack body 2 conveniently;
when a user needs to replace the lithium battery pack, the user manually pushes the push-pull shaft 1.10 to enable the push-pull shaft 1.10 to move towards the direction close to the rotary table 1.5, the push-pull shaft 1.10 drives the third transmission rod 1.14 to move, the third transmission rod 1.14 drives the rectangular block 1.3 to move towards the direction of the insertion block 1.1, the rotary table 1.5 is further swung, the rectangular block 1.3 drives the transmission block 1.20 to move, the transmission block 1.20 drives the connecting rod 1.2 to move, the insertion block 1.1 is separated from the insertion hole 2.10 on the periphery of the insertion column 2.1 when each connecting rod 1.2 drives the insertion block 1.1 to move, and the lithium battery pack is unlocked;
as shown in fig. 2, in the process of manually pushing the push-pull shaft 1.10, when the second spring 1.15 is not yet at the maximum compression deformation amount, at this time, the second spring 1.15 is still at a state with a compression margin, the second spring 1.15 is continuously compressed in the process of pushing the push-pull shaft 1.10 until the insertion block 1.1 is separated from the insertion hole 2.10 on the peripheral side of the insertion column 2.1 (i.e., moves from the state of fig. 2 to the state of fig. 5), each clamping block 1.11 is pressed in the process of abutting and abutting the push-pull shaft 1.10, so that the two springs tend to recover to the original length, and the lifting platform 1.6 drives the lithium battery body 2 to be ejected out of the mounting base 1, thereby facilitating the user to mount and dismount the lithium battery body 2.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. An integrated lithium battery pack of a sightseeing electric vehicle comprises a lithium battery pack body (2) and a mounting seat (1) for mounting the lithium battery pack body (2); the lithium battery pack locking device is characterized in that a self-locking assembly is arranged on the mounting seat (1), and the self-locking assembly is driven to lock and limit the lithium battery pack body (2) in the process that the lithium battery pack body (2) is downwards inserted into the mounting seat (1).
2. The integrated lithium battery pack of the sightseeing electric vehicle according to claim 1, wherein the self-locking assembly comprises a plurality of groups of plug-in units and a plurality of driving units, each plug-in unit is respectively connected to the mounting base (1) in a sliding manner, and each driving unit is used for driving each plug-in unit to move so as to realize locking and limiting of the lithium battery pack body (2).
3. The integrated lithium battery pack of the sightseeing electric vehicle according to claim 2, wherein a plurality of plug-in columns (2.1) are respectively and rotatably connected to the bottom end of the lithium battery pack body (2), and each plug-in column (2.1) is arranged in one-to-one correspondence with each plug-in unit;
the mounting seat (1) is respectively provided with a plurality of mounting holes (1.01) which are in one-to-one correspondence with the inserting columns (2.1).
4. The integrated lithium battery pack of the sightseeing electric vehicle according to claim 3, wherein each plug-in unit comprises a mounting hole (1.01) formed in the mounting seat (1) and at least two plug-in blocks (1.1) moving in the radial direction of the mounting hole (1.01), and each plug-in block (1.1) is connected with the mounting seat (1) through an elastic piece.
5. The integrated lithium battery pack of a sightseeing electric vehicle according to claim 4, characterized in that the driving unit comprises a driving block (1.20) which is connected in a sliding way in the radial direction of each mounting hole (1.01), and the driving block (1.20) is connected with each plug-in block (1.1) through a connecting rod (1.2).
6. The integrated lithium battery pack of the sightseeing electric vehicle as claimed in claim 4, wherein each plugging column (2.1) is provided with a plugging hole (2.10) at a position corresponding to each plugging block (1.1).
7. The integrated lithium battery pack of the sightseeing electric vehicle according to claim 4, characterized by further comprising: the unlocking assembly is used for enabling each plugging unit to be separated from the lithium battery pack body (2) so as to achieve unlocking.
8. The integrated lithium battery pack of the sightseeing electric vehicle according to claim 7, wherein the unlocking assembly comprises a rotary disc (1.5) rotatably connected to the mounting base (1), a transmission unit for driving the rotary disc (1.5) to rotate, and a connecting unit connected with each plug-in unit.
9. An integrated lithium battery pack for a sightseeing electric vehicle according to claim 8, characterized in that the connection unit comprises sliding parts on the mounting base (1) and hinge rods (1.4) hinged between each sliding part and the turntable (1.5).
10. An integrated lithium battery pack for a sightseeing electric vehicle according to claim 9, characterized in that the transmission unit comprises a push-pull shaft (1.10) slidably connected to the mounting base (1) and a third transmission rod (1.14) hinged between the push-pull shaft (1.10) and the sliding member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210588859.3A CN114883727A (en) | 2022-05-26 | 2022-05-26 | Integrated lithium battery pack of sightseeing electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210588859.3A CN114883727A (en) | 2022-05-26 | 2022-05-26 | Integrated lithium battery pack of sightseeing electric vehicle |
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| CN114883727A true CN114883727A (en) | 2022-08-09 |
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| CN202210588859.3A Pending CN114883727A (en) | 2022-05-26 | 2022-05-26 | Integrated lithium battery pack of sightseeing electric vehicle |
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| CN202006784U (en) * | 2010-12-23 | 2011-10-12 | 柳崇禧 | Automatic quick change system for batteries of electric automobiles |
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