CN106274434B - Battery case locking device and battery case including the battery case locking device - Google Patents

Battery case locking device and battery case including the battery case locking device Download PDF

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Publication number
CN106274434B
CN106274434B CN201610791902.0A CN201610791902A CN106274434B CN 106274434 B CN106274434 B CN 106274434B CN 201610791902 A CN201610791902 A CN 201610791902A CN 106274434 B CN106274434 B CN 106274434B
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CN
China
Prior art keywords
battery case
flange
fastener
locking device
installation shell
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Active
Application number
CN201610791902.0A
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Chinese (zh)
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CN106274434A (en
Inventor
郝战铎
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NIO Co Ltd
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NIO Co Ltd
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Priority to CN201610791902.0A priority Critical patent/CN106274434B/en
Publication of CN106274434A publication Critical patent/CN106274434A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K1/04Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00Batteries for particular applications
    • H01M2220/20Batteries in motive systems, e.g. vehicle, ship, plane
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

This application involves the battery installation and replacement of electric vehicle, specifically provide a kind of battery case locking device.Described device aims to solve the problem that the problem of battery case cannot be installed reliably and rapidly replace and cannot prevent battery case from loosening in the process of moving.To solve the above-mentioned problems, described device includes installation shell, fastener, flange, compressing member and anti-loosening component, flange still can not axially be slided around the axis direction rotation of fastener, compressing member, which can oppress flange, is pressed into contact with it with installation shell to prevent flange and fastener from relative to installation shell rotation, installation shell can be connected on the car body of electric vehicle by fastener.The locking device can carry out the replacement of safe and reliable installation and quick and convenient to battery case and realize rigidly fixing so as to preventing battery case from loosening in the process of moving to battery case due to the above structure,.

Description

Battery case locking device and battery case including the battery case locking device
Technical field
The present invention relates to the battery installation and replacement of electric vehicle, a kind of battery case locking device is specifically provided and including should The battery case of battery case locking device.
Background technique
China is petroleum resources country relatively in short supply, needs import substantial oil and product oil every year.With vapour Vehicle ownership sharply increases, and domestic fuel supply pressure is very big.Large-scale promotion electric vehicle had both been related to national oil peace Complete and energy security, and dependence of the automobile to Imported oil can be reduced.Therefore, developing electric vehicle is to ensure that auto industry can The grand strategy of sustainable development selects.
The battery altering of electric vehicle is the useful supplement to battery charging.Replacement battery is able to achieve the quick of vehicle energy Supply so that electric vehicle supplement energy as fuel vehicle refuel it is convenient, be every time only together with " fuel tank " more It changes.Using battery altering mode be easier realize power grid " peak load shifting ", can also assist in improve equipment efficiency of usage and Reduce power grid limit load.In addition, be also convenient for battery maintenance in this way and extend battery life, it is specific in public transport, taxi, logistics etc. Field has highly application value.
The electric vehicle that energy is supplemented using battery altering mode, is much all mounted on vehicle chassis for power battery Mode separates battery with driver and passenger, and not only improved vehicle utilizes space, but also can sufficiently ensure the safety of driver and passenger, The center of gravity of vehicle is also reduced simultaneously, improves the handling of vehicle.Therefore the installation of chassis type battery and replacement technology are known as Replace the direction of battery type electric vehicle technology development.
Power battery is the exclusive source of pure electric vehicle power, since its weight ratio is heavier, when replacing battery manually more It changes large labor intensity and has certain risk, therefore mostly replaced using automation equipment.It is installed by battery case It needs to be locked to battery case after finishing, it is higher that battery case is mounted so as to more secure.But when replacing battery Battery case is unlocked again, therefore the installation and removal of battery case are simpler quick better.Therefore, locking device is directly determined Safety and reliability of battery case when vehicle-mounted and the convenience in replacement are determined.
Existing quick change of battery box, which passes through, realizes that flexibility is fixed between locking device and vehicle, in vehicle travel process Middle battery case has the vibration of certain amplitude relative to vehicle body, and long-time service will appear battery case local deformation, vehicle body battery hangs The bad phenomenons such as hanging point deformation, locking device concentrated wear, electric connector arcing ablation, seriously jeopardize vehicle driving safety.It is existing The locking device for the vehicle-mounted quick-replaceable electricity battery case having cannot solve the above problems, and therefore, this field needs a kind of both safety It is reliable to be conveniently replaceable again, additionally it is possible to the battery case loosened locking dress be prevented to battery case in the use process of vehicle body Long-term Vibration It sets.
Summary of the invention
Present invention seek to address that in the prior art battery case cannot safely and reliably install with quick and convenient replace and The problem of battery case cannot being protected well in the use process of vehicle body Long-term Vibration.To solve the above-mentioned problems, The present invention provides a kind of battery case locking devices, which is characterized in that the battery case locking device includes being fixed to the electricity The installation shell of pond case, across it is described installation shell fastener, be partially received in it is described installation shell in flange, be contained in Compressing member in the installation shell and the anti-loosening component being arranged between the installation shell and the flange, the method Orchid is disposed through the wall of the installation shell and can rotate relative to the installation shell, and the fastener is disposed through The flange cannot can slide axially relative to the flange rotary but along the flange, and the fastener can incite somebody to action On the car body that the installation shell is connected to electric car together with the battery case, in the state that the fastener is not operated Under, the compressing member can oppress the flange, against to it is described installation shell inner wall on, the anti-loosening structure described at this time Part prevents the flange from rotating relative to each other with the installation shell.
In the preferred embodiment of above-mentioned battery case locking device, the installation shell includes upper housing and lower case, The upper housing and lower case are connected one to the other to and form middle cavity between them together and therefore, and the flange section accommodates In the middle cavity, the compressing member is fully accommodated in the middle cavity, in the shape that the fastener is not operated Under state, one end of the compressing member compresses the flange, contacts it with the inner wall of the lower case, the compressing member it is another Side pressure is tight against the inner wall for leaning on the upper housing.
In the preferred embodiment of above-mentioned battery case locking device, the anti-loosening component includes being arranged in the flange On circle hair side velcro and the velcro in seta face being arranged on the inner wall of the lower case or the anti-loosening structure Part includes the evil spirit of the velcro in the seta face being arranged on the flange and the circle hair side being arranged on the inner wall of the lower case Art patch.
In the preferred embodiment of above-mentioned battery case locking device, the fastener be bolt and including first end, Second end and the shaft shoulder being connected between the first end and the second end, the first end of the fastener extend through institute State the first through hole on upper housing, the second end of the fastener extends through the second through-hole in the lower case, and described One end is provided with screw thread to be threadedly coupled in the nut on car body, and the shaft shoulder is located in the middle cavity and is arranged It is relied on the flange in the state that the fastener is not operated.
In the preferred embodiment of above-mentioned battery case locking device, the flange includes the transverse annular portion being wholely set Point and vertical annular section, the center of the transverse annular part is provided with the third through-hole with non-circular cross sections, described Third through-hole is connected to the centre bore of the vertical annular section, and the vertical annular section passes through second in the lower case Through-hole.
In the preferred embodiment of above-mentioned battery case locking device, the second end of the fastener has and the third The matched non-circular cross sections of through-hole and the centre bore for being inserted through the third through-hole and the vertical annular section, so that The fastener cannot rotate relative to each other with the flange.
In the preferred embodiment of above-mentioned battery case locking device, the side of the upper housing and the lower case is distinguished It is provided with that quantity is identical and the corresponding connecting hole in position, so as to pass through the connecting hole for institute with bolt or rivet Upper housing is stated to connect together with the lower case.
In the preferred embodiment of above-mentioned battery case locking device, it is provided on the end face of the second end of the fastener Non-circular dismounting groove.
In the preferred embodiment of above-mentioned battery case locking device, the compressing member is spring.
According to the other side of invention, a kind of battery case is provided, the battery case includes any in above-mentioned technical proposal Battery case locking device described in.
It should be pointed out that above-mentioned " state that fastener is not operated " refer to fastener do not tightened by dismantling device or The state unscrewed.Conversely, because special construction of the invention, " fastener is operated " not only includes that fastener is tightened or twists Pine, but also the movement jacked including flange by dismantling device.
It will be readily appreciated by those skilled in the art that due to above structure, battery case locking device energy of the invention Enough replacements that safe and reliable installation and quick and convenient are carried out to battery case, and realize to battery case connector in the circumferential Fixation, so as to be effectively prevented in the use process of vehicle body Long-term Vibration battery case loosen.
Detailed description of the invention
Fig. 1 is the structure sectional view of battery case locking device according to the present invention;
Fig. 2 is the first use state cross-sectional view of battery case locking device according to the present invention;
Fig. 3 is the second use state cross-sectional view of battery case locking device according to the present invention;And
Fig. 4 is the third use state cross-sectional view of battery case locking device according to the present invention.
Specific embodiment
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this A little embodiments are used only for explaining technical principle of the invention, it is not intended that limit the scope of the invention.Although for example, Each component is depicted according to special ratios in attached drawing, but this is only exemplary, those skilled in the art can basis It needs to make adjustment to the size and ratio of particular elements, to adapt to specific application.
It should be noted that in the description of the present invention, term " center ", "upper", "lower", "left", "right", "vertical", The direction of the instructions such as "horizontal", "inner", "outside" or the term of positional relationship are direction based on the figure or positional relationship, this It is intended merely to facilitate description, rather than indication or suggestion described device or element must have a particular orientation, with specific Orientation construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", " third " are only used In description purpose, it is not understood to indicate or imply relative importance.
In addition it is also necessary to explanation, in the description of the present invention unless specifically defined or limited otherwise, term " peace Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.To those skilled in the art, it can understand that above-mentioned term exists as the case may be Concrete meaning in the present invention.
Fig. 1 is the structural schematic diagram of the specific embodiment of battery case locking device 3 according to the present invention.Battery case locking dress Setting 3 includes installation shell 31, bolt 32, flange 33 and spring 34.Flange 33 is arranged to revolve around the axis of bolt 32 Turn but can be slided along the axis of bolt 32 relative to the bolt.It specifically, can be by one end of bolt 32 (spiral shell in Fig. 1 The lower end of bolt 32) it is arranged to non-circular cross sections (such as hexagon), and in the transverse annular part 331 of flange 33 Central location setting has same shape and the somewhat larger hole of size, when the non-circular cross sections end of bolt 32 is inserted into cross When into the non-circular cross-section face of annular section 331, above-mentioned purpose can be realized.Spring 34, which can oppress flange 33, makes it It is pressed into contact with the inner wall of installation shell 31.The face that flange 33 and installation shell 31 are in contact with each other can have biggish friction and be Number is larger so as to the frictional force mutual when the two mutually compresses contact, to cannot slide relative to each other.However, preferred In embodiment, the contact surface of flange 33 and installation shell 31 is both provided with " velcro ".Velcro also known as magic tape are one Kind is usually used in the connection auxiliary material of clothing, has two faces being mutually matched, is the circle hair of small, flexible on one side, another side is harder The seta of buckle.Face with circle hair can be mutually glued with having echinated face, and bonding force is very big, be needed very big Power the two could be separated and almost impossible be slided relative to each other.Specifically, the contact surface of flange 33 may be provided with Velcro 332 and circle hair side is outside, the contact surface of installation shell 31 may be provided with magic face 314 and seta faces out;Or The contact surface of person's flange 33 is provided with velcro 332 and seta faces out, and the contact surface of bottom housing section is provided with velcro 314 And circle hair side is outside.So, when flange 33 and installation shell 31 are pressed into contact with, the velcro circle hair of two contact surfaces Face is in contact with each other and bonds together to slide relative to each other with seta face.
Referring next to Fig. 2, shell 31 is installed and is fixed to battery case 2, installation shell 31 can be connected to battery by bolt 32 Case 2 is threadedly coupled to together in the nut 11 on the car body 1 of electric car.Although in a specific embodiment on bolt 32 It is provided with external screw thread (as shown in the picture) and base portion is installed and be provided with the internal screw thread to match with the external screw thread (in attached drawing not Show), but battery case locking device 3 according to the present invention can also be arranged to have internal screw thread (in attached drawing not on bolt 32 Show) and install on base portion with external screw thread matched with the internal thread (attached to be not shown in the figure).It should be pointed out that Support frame 12 shown in Fig. 2 can be electric vehicle ontology be also possible to be mounted on electric vehicle ontology for installing electricity The components of pond case.
In the preferred embodiment, installation shell 31 includes upper housing 311 and lower case 312, upper housing 311 and lower case 312 are riveted together in side, and therefore form middle cavity between, and flange 33 is partially received in the middle cavity Interior, spring 34 is fully accommodated in the middle cavity.One end supported flange 33 of spring 34 makes the inner wall of itself and lower case 312 It is pressed into contact with, the other end of spring 34 is pressed into contact with the inner wall of upper housing 311.In the present invention, it " is pressed into contact with " and refers to two Component contacts with each other and to being applied with pressure each other.
In the preferred embodiment, bolt 32 includes first end, second end and connects between the first and second ends The shaft shoulder.Bolt 32 runs through the middle cavity, and the first end of bolt 32 extends through the through-hole on upper housing 311 and exposing A part, the vertical annular section of flange 33 and the second end for being contained in bolt 32 therein extend through in lower case 312 Through-hole and downwards expose a part.Bolt 32 is provided with screw thread in its first end (upper end) to be threadedly coupled to car body 1 On nut 11, bolt 32 is arranged to have non-circular cross sections in its second end (lower end) and is inserted into the perpendicular of the flange Among matched non-circular through-hole into annular section, so that bolt 32 can not revolve relative to each other with flange 33 Turn, but can slide axially along the axis direction of bolt 32.In the preferred embodiment, the end face of the second end of bolt 32 On be provided with non-circular dismounting groove-for example in hexagon dismounting groove.Dismantling device 4 has to match with the non-circular dismounting groove Protrusion part, dismounting groove described in the protrusion partial insertion and rotate the bolt 32, to make bolt 32 with rotation Then it attaches it to nut 11 or is disassembled from nut 11.The shaft shoulder of the bolt 32 is located in the middle cavity And it relies on the transverse annular part 331 of flange 33.In the present invention, at least part of described " shaft shoulder " perpendicular to Size is greater than the first end and second end of bolt 32 on the direction of the axis of bolt 32, and wears also greater than the first end of bolt 32 The through-hole that the second end of bolt 32 passes through in the through-hole for the upper housing 311 crossed and the transverse annular part 331 of flange 33, thus The degree of axial travel of bolt 32 can be limited.That is, " shaft shoulder " will not move out the middle cavity.
Preferably, the upper housing 311 for installing shell 31 is connected to battery case 2, the transverse annular of lower case 312 and flange 33 Part 331 mutually compresses contact.Upper housing 311 includes upper wall and side wall, and lower case 312 includes lower wall and side wall.As before What face referred to, upper housing 311 be arranged on wall on it upper casing through-hole and lower case 312 that lower casing is provided on its lower wall is logical Hole.The first end of bolt 32 extends through the upper casing through-hole, and the vertical annular section of flange 33 and wherein accommodates The second end of bolt 32 extends through the lower casing through-hole, and the vertical annular section of flange 33 can be in the lower casing through-hole Middle rotation.Upper housing 311 and lower case 312 are respectively arranged with that quantity is identical and the corresponding connection in position on their side walls Hole.These connecting holes can be passed through with bolt or rivet 313 to connect together upper housing 311 with lower case 312.Two evil spirits Art pastes the Resistance Value for the generation that is bonded together, can be by adjusting lower case 312 and the shape and size of flange 331, change The area of velcro and change the elastic force of spring 34 to be adjusted.
With continued reference to Fig. 2, Fig. 2 is the first use state cross-sectional view of battery case locking device 3 according to the present invention.Such as figure Shown in 2, support frame 12 is provided on car body 1 and the nut 11 that is mounted on support frame 12.In state shown in Fig. 2, locking Device 3 has just started close to car body 1, and dismantling device 4 is inserted into the lower end of bolt 32 not yet.
Referring next to Fig. 3, Fig. 3 is the second use state cross-sectional view of battery case locking device 3 according to the present invention.? In state shown in Fig. 3, dismantling device 4 is inserted into the non-circular disassembly slot of 32 second end of bolt and rotates and push up spiral shell Bolt 32 and flange 33, so that spring 34 is pressed upwards.About this point, it should be pointed out that the shape needs of dismantling device 4 are set It is set to, flange 33 can be jacked simultaneously when it operates bolt 32.Correspondingly, the lower casing of flange 33 and installation shell 31 The contact surface of body 312 separates and forms certain interval, and two velcro no longer contact.So, flange 33 and therefore Bolt 32 can be rotated relative to installation shell 31 along direction shown in arrow in figure, and bolt 32 and nut 11 can be with screw threads Connection is installed on car body 1 so as to lock battery case 2.Certainly, if operator is inserted into bolt 32 using extracting tool In the non-circular disassembly slot of the end of second end and bolt 32 is pushed up, subsequently reverse direction rotating bolt 32 can release spiral shell Threaded connection between bolt 32 and nut 11, so as to remove battery case 2 from car body 1.
Fig. 4 is the third use state cross-sectional view of battery case locking device according to the present invention.State shown in Fig. 4 In, battery case 2 is locked, and dismantling device 4 is removed, and moves downward, installs in the pressure effect lower flange 33 of spring 34 at this time Gap between shell 31 and flange 33 disappears, and lower case 312 is bonded together again with the velcro on flange 33, to make Bolt 32 and flange 33 can not be rotated relative to installation shell 31.It is well known to those skilled in the art to be, in making for electric vehicle With in the process, if battery case 2 be vibrated with stress and force its trend for being threaded with loosening of installation that clamps, Bolt 32 must will be rotated relative to installation shell 31.Due to using structure of the invention, bolt 32 and installation shell 31 are not It can rotate relative to each other.Therefore, the clamping installation of battery case 2 will not be loosened.
The present invention also provides a kind of battery case, the battery case uses at least one locking device 3 according to the present invention It is locked.The battery case includes the through-hole passed through for the bolt 32.
So far, it has been combined preferred embodiment shown in the drawings and describes technical solution of the present invention, still, this field Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this Under the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these Technical solution after change or replacement will fall within the scope of protection of the present invention.

Claims (10)

1. a kind of battery case locking device, which is characterized in that the battery case locking device includes being fixed to the battery case Installation shell, across it is described installation shell fastener, be partially received in it is described installation shell in flange, be contained in the peace The anti-loosening component for filling the compressing member in shell and being arranged between the installation shell and the flange,
The flange is disposed through the wall of the installation shell and can rotate relative to the installation shell, the fastener It is disposed through the flange, cannot can be slid axially relative to the flange rotary but along the flange,
On the car body that the installation shell can be connected to electric car together with the battery case by the fastener,
In the state that the fastener is not operated, the compressing member can oppress the flange, against arrive the peace On the inner wall for filling shell, the anti-loosening component described at this time prevents the flange from rotating relative to each other with the installation shell.
2. battery case locking device according to claim 1, which is characterized in that the installation shell includes upper housing under Shell, the upper housing and lower case are connected one to the other to and form middle cavity between them together and therefore, the flange portion Partial volume is contained in the middle cavity, and the compressing member is fully accommodated in the middle cavity,
In the state that the fastener is not operated, one end of the compressing member compresses the flange, makes itself and the lower casing The inner wall of body contacts, and the other end of the compressing member compresses the inner wall against the upper housing.
3. battery case locking device according to claim 2, which is characterized in that the anti-loosening component includes being arranged in institute State the velcro of the circle hair side on flange and the velcro in the seta face being arranged on the inner wall of the lower case or described anti- Loosen the velcro and the circle hair being arranged on the inner wall of the lower case that component includes the seta face being arranged on the flange The velcro in face.
4. battery case locking device according to claim 3, which is characterized in that the fastener is bolt and including The first end of one end, second end and the shaft shoulder being connected between the first end and the second end, the fastener extends First through hole on the upper housing, the second end of the fastener extend through the second through-hole in the lower case, The first end is provided with screw thread to be threadedly coupled in the nut on car body, and the shaft shoulder is located in the middle cavity simultaneously And it is arranged to rely on the flange in the state that fastener is not operated.
5. battery case locking device according to claim 4, which is characterized in that the flange includes the transverse direction being wholely set Annular section and vertical annular section, it is logical that the center of the transverse annular part is provided with the third with non-circular cross sections Hole, the third through-hole are connected to the centre bore of the vertical annular section, and the vertical annular section passes through the lower case On the second through-hole.
6. battery case locking device according to claim 5, which is characterized in that the second end of the fastener has and institute It states the matched non-circular cross sections of third through-hole and is inserted through the center of the third through-hole and the vertical annular section Hole, prevent the fastener is with the flange from rotating relative to each other.
7. battery case locking device according to claim 6, which is characterized in that the side of the upper housing and the lower case Face is respectively arranged with that quantity is identical and the corresponding connecting hole in position, so as to pass through the connecting hole with bolt or rivet The upper housing is connected together with the lower case.
8. battery case locking device according to claim 7, which is characterized in that on the end face of the second end of the fastener It is provided with non-circular dismounting groove.
9. battery case locking device according to any one of claim 1 to 8, which is characterized in that the compressing member is bullet Spring.
10. a kind of battery case, which is characterized in that the battery case includes the lock of battery case described in any one of claims 1 to 9 Tight device.
CN201610791902.0A 2016-08-31 2016-08-31 Battery case locking device and battery case including the battery case locking device Active CN106274434B (en)

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CN106274434B true CN106274434B (en) 2019-06-21

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CN106347093B (en) * 2016-08-31 2019-06-21 上海蔚来汽车有限公司 Battery case locking device and battery case including the battery case locking device
CN106627083B (en) * 2017-01-13 2023-09-05 上海蔚来汽车有限公司 Quick locking and unlocking kit
CN109533092B (en) * 2018-10-09 2023-09-08 上海蔚来汽车有限公司 Compacting device and compacting method
CN111114271B (en) * 2018-11-01 2024-08-23 北京新能源汽车股份有限公司 Locking mechanism and vehicle with same
CN109552023A (en) * 2019-01-18 2019-04-02 北京汽车股份有限公司 Quick battery-changing device for vehicle and the vehicle with it
CN116529120A (en) 2021-09-17 2023-08-01 宁德时代新能源科技股份有限公司 Quick change lock assembly and locking device using same
CN113734329B (en) * 2021-09-23 2022-09-20 杭州通普机电科技有限公司 Multifunctional foldable electric bicycle

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