CN109895930A - A kind of battery box for electric vehicle liftout attachment and extrusion method - Google Patents
A kind of battery box for electric vehicle liftout attachment and extrusion method Download PDFInfo
- Publication number
- CN109895930A CN109895930A CN201910109074.1A CN201910109074A CN109895930A CN 109895930 A CN109895930 A CN 109895930A CN 201910109074 A CN201910109074 A CN 201910109074A CN 109895930 A CN109895930 A CN 109895930A
- Authority
- CN
- China
- Prior art keywords
- battery case
- lock core
- ejection
- lock
- electric vehicle
- 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.)
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
- B62H5/00—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/80—Accessories, e.g. power sources; Arrangements thereof
- B62M6/90—Batteries
-
- 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
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Lock core and lock tongue is arranged in a kind of battery box for electric vehicle liftout attachment and extrusion method in battery case installing pipe, correspond to latch bolt position setting fixation hole on battery case, and when locking states, the lock core driving lock tongue is threaded through in the fixation hole；It is characterized by: the ejection piece that setting one is driven by lock core, is correspondingly arranged the force part of one with ejection piece cooperation on battery case；The lock core is divided into two sections by the rotational travel of locking states to open state, and the lock core described in first segment rotational travel drives the lock tongue to exit the fixation hole；In second segment rotational travel, the lock core drives a part ejection battery case installing pipe of the ejection piece by the battery case.The present invention does not need to eject using spring energy-storage, avoids spring energy-storage state to the oppressive force of lock tongue, extends the service life of lock body；Meanwhile two-part stroke is opened convenient for operation, user only needs continuous rotation key that unlock and ejection can be realized.
Description
Technical field
The present invention relates to a kind of modular constructions of electric vehicle, and in particular to a kind of ejection dress of the battery case for electric vehicle
It sets, and the method for realizing electric vehicle battery holder ejection.
Background technique
With the popularization and application of lithium battery, the battery case of electric vehicle is more mounted to the Che Guanzhong of electric vehicle, with vehicle
Pipe forms the consistent package assembly of appearance, to reduce the volume of electric vehicle, is easy to use.But keeping battery case and vehicle pipe
Assembled relation while, when needing to remove battery case to carry out maintenance or when charge independence, battery case can be encountered and picked and placed not
Just the case where.
To solve the above problems, in the prior art, bullet usually is arranged between battery case and the installation cavity of battery case
Property structure, when unlocking, pop up battery case part.For example, Chinese utility model patent CN204161074U disclose it is a kind of electronic
Vehicle hides battery automatic pop-up device, comprising: fixed plate, the fixed plate are fixed at the interior of the battery putting box of electric vehicle
Portion；Movable plate, the movable plate are oppositely arranged with the fixed plate, and the movable plate can be along the disengaging of the battery putting box
Mouth direction back and forth moves in parallel；And elastomer, the elastomer are arranged between the fixed plate and the movable plate, the bullet
Property body can push the movable plate to move in parallel along the export direction of the battery putting box.To avoid in normal operating condition
Lower battery case is ejected, and the program further discloses: when battery case is inserted into battery putting box, movable plate is along battery putting box
Import direction move inward, the compression of elastomer on movable plate, compression in place when battery case lockked by lock core；Battery case takes
When out, lock core is opened, elastomer is sprung back under the action of elastic force, and movable plate is pushed to be moved out along the export direction of battery putting box
It is dynamic, drive battery case to pop up a distance.
Battery case can be popped up a distance when unlocking by above-mentioned technical proposal, be taken out with facilitating.But this kind of setting
The scheme of elastic construction has the following problems: (1) in order to guarantee the pop-up of battery case, elastic device has under compression
There is biggish screen resilience, which makes lock core be easy to impaired on lock core, especially in opening lock master, needs gram
Certain frictional force is taken, stress is larger when rotating key, in some instances it may even be possible to key be caused to be broken.(2) elastomer is chronically at stress
Compressive state easily leads to elastic force decline, and battery case is not easy to pop up after a period of time, leads to failure of apparatus.
Therefore, the technical problem to be solved in the invention is, how independent of the elastic force of elastomer to realize battery case
Pop-up, while lock core stress is reduced, extend the service life of device for ejecting and lock core.
Summary of the invention
Goal of the invention of the invention is to provide a kind of battery box for electric vehicle liftout attachment, is improved by structure, realizes hidden
The battery case of concealed installation facilitates ejection when taking out, and does not influence the service life of lock core；Another invention mesh of the invention
Be to provide a kind of battery box for electric vehicle extrusion method, to solve to rely in the prior art, elastic construction ejection is existing asks
Topic.
To achieve the above object of the invention, the technical solution adopted by the present invention is that: a kind of battery box for electric vehicle extrusion method,
Lock core and lock tongue are set in battery case installing pipe, latch bolt position correspond on battery case, fixation hole is set, when locking states, institute
Stating lock core drives the lock tongue to be threaded through in the fixation hole；
One ejection piece driven by lock core is set, the force part of one with ejection piece cooperation are correspondingly arranged on battery case；
The lock core is divided into two sections by the rotational travel of locking states to open state, the lock core described in first segment rotational travel
The lock tongue is driven to exit the fixation hole；In second segment rotational travel, the lock core drives the ejection piece by the electricity
A part ejection battery case installing pipe of pond box.
In above-mentioned technical proposal, proposes and use the scheme by the ejection piece ejection battery case of lock core driving existing to substitute
Spring ejection scheme in technology, and creatively propose the first segment stroke that the rotational travel of lock core is divided into and opens lock tongue
Spring energy-storage state is avoided to lock tongue without using spring energy-storage to eject with the second segment stroke of ejection battery case
Oppressive force, extend the service life of lock body；Meanwhile two-part stroke is opened convenient for operation, user only needs continuous rotation
Unlock and ejection can be realized in key.
Preferred technical solution, the ejection piece are L shape lift arm, and the L shape lift arm and the rotation of lock core fixing piece connect
It connects, when lock core enters second segment rotational travel, the L shape lift arm is rotated by lock core band trend battery ejection direction.
In above-mentioned technical proposal, a slot being vertically arranged is opened up in the lower part of the battery case, described in the top of slot is constituted
With the force part of ejection piece cooperation, one end of the L shape lift arm moves in the slot, and the pressure when end moves upwards
Compel the force part.
Further technical solution, is arranged torsional spring between the L shape lift arm and lock core fixing piece, and the torsional spring makes L
One end of shape lift arm is pressed at the force part of the battery case.
By the setting of torsional spring, usually, L shape lift arm provides a upward power, partial offset electricity to battery case
The downward pressure that pond box weight generates, when needing to unlock, in lock core rotation process, as long as increasing by one to L shape lift arm
Lesser power, so that it may so that battery case is ejected.It is therefore preferred that the torsional spring provides the shape lift arm end L and stress
Upward lifting force between position and the downward pressure match provided at force part due to the weight of battery case.This
In the case of, since gravity is offset by torsional spring, user rotates key ejection battery case in which can be convenient.And even if torsional spring is when long
Between declined using rear elastic force, also only need to be slightly increased rotatory force, will not as in the prior art all by elastic pop up
There is the case where battery case is unable to automatic spring like that in mechanism.
Another goal of the invention to realize the present invention cooperates the above method, provides a kind of battery box for electric vehicle ejection dress
It sets, including the lock core being arranged in battery case installing pipe and lock tongue, the fixation hole being arranged on battery case, the lock tongue is by described
Lock core driving insertion is detached from the fixation hole；
Equipped with an ejection piece, the force part of one with ejection piece cooperation are correspondingly provided on battery case；
From lock tongue locked position of coupler, when the angle of lock core rotation is located at 0 to first angle range, lock core is through the first gear
Structure is connect with the lock tongue；When the angle of the lock core rotation is located at first angle to second angle range, lock core is through second
Motivation structure is connect with the ejection piece, and a part of the battery case is ejected battery case installing pipe by the ejection piece.
In above-mentioned technical proposal, the ejection piece is L shape lift arm, and described L shape lift arm one end and lock core fixing piece turn
Dynamic connection, the other end are located at below the force part of battery case, constitute ejection end.
In above-mentioned technical proposal, it is equipped with a slot arranged vertically in the lower part of the battery case, described in the top of slot is constituted
With the force part of ejection piece cooperation, the ejection end of the L shape lift arm moves in the slot, and when end moves upwards
Oppress the force part.
In above-mentioned technical proposal, torsional spring is equipped between the L shape lift arm and lock core fixing piece, the torsional spring lifts L shape
The one end for rising arm is pressed at the force part of the battery case.
In above-mentioned technical proposal, the first angle is 60 °~65 °；The second angle is 120 °~160 °.
Due to the above technical solutions, the present invention has the following advantages over the prior art:
1, the present invention is used by the scheme of the ejection piece ejection battery case of lock core driving to substitute spring ejection in the prior art
Scheme, and creatively propose and the rotational travel of lock core is divided into the of the first segment stroke for opening lock tongue and ejection battery case
Two-stage stroke avoids spring energy-storage state to the oppressive force of lock tongue, extends lock without using spring energy-storage to eject
The service life of body；Meanwhile two-part stroke open convenient for operation, user only need continuous rotation key can be realized unlock and
Ejection.
2, the present invention is by the setting of torsional spring, and usually, L shape lift arm provides a upward power, portion to battery case
Divide and offset the downward pressure that battery case weight generates, when needing to unlock, in lock core rotation process, as long as giving L shape lift arm
Increase a lesser power, so that it may so that battery case is ejected；And even if torsional spring elastic force decline after prolonged use, also only need
Slightly increase rotatory force, will not occur battery case as all mechanisms by elasticity pop-up in the prior art cannot be certainly
The case where moving out of.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the A-A cross-sectional view of Fig. 2；
Fig. 4 is the B-B cross-sectional view of Fig. 2；
Fig. 5 is the supervisor's stereoscopic schematic diagram taken out after battery case；
The schematic diagram of lock tongue when Fig. 6 is key turns to first angle；
The schematic diagram of lock tongue when Fig. 7 is key turns to second angle；
The schematic diagram of battery case ejection when Fig. 8 is key turns to second angle.
Wherein: 1, battery case installing pipe；2, battery case；3, key；4, lock core；5, lock tongue；6, fixation hole；7, L shape is lifted
Arm；8, slot；9, force part；10, torsional spring.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments:
Embodiment one: referring to figure 1 and figure 2, a kind of battery box for electric vehicle liftout attachment, including 1 He of battery case installing pipe
Battery case 2, the battery case 2 is concealed to be arranged in battery case installing pipe 1 and is locked, visible key 3 in figure.
As shown in figure 4, being equipped with lock core 4 and lock tongue 5 in battery case installing pipe 1, latch bolt position is corresponded on battery case 2 and is equipped with admittedly
Determine hole 6, the lock tongue 5 drives insertion by the lock core 4 or is detached from the fixation hole 6.
As shown in figure 3, be rotatably connected to L shape lift arm 7 on lock core 4, it is correspondingly provided with one on battery case 2 and arranges vertically
Slot 8, the top of slot 8 constitute the force part 9 cooperated with L shape lift arm 7.
From lock tongue locked position of coupler, key turns by 0 ° to 63 °, as shown in fig. 6, lock core through the first linkage mechanism with it is described
Lock tongue connection, drives lock tongue 5 to leave fixation hole 6, at this point, lift arm remains stationary.
When key is continued to rotate by 63 ° to 145 °, as shown in fig. 7, lock tongue is motionless, as shown in figure 8,7 turns of L shape lift arm
Dynamic, end lifting ejects battery.
In the present embodiment, torsional spring 10 is equipped between L shape lift arm 7 and lock core fixing piece, the torsional spring makes L shape lift arm
One end be pressed at the force part of the battery case.
Claims (10)
1. lock core and lock tongue is arranged in a kind of battery box for electric vehicle extrusion method in battery case installing pipe, right on battery case
Answer latch bolt position that fixation hole is set, when locking states, the lock core drives the lock tongue to be threaded through in the fixation hole；Its feature
It is:
One ejection piece driven by lock core is set, the force part of one with ejection piece cooperation are correspondingly arranged on battery case；
The lock core is divided into two sections by the rotational travel of locking states to open state, the lock core described in first segment rotational travel
The lock tongue is driven to exit the fixation hole；In second segment rotational travel, the lock core drives the ejection piece by the electricity
A part ejection battery case installing pipe of pond box.
2. battery box for electric vehicle extrusion method according to claim 1, it is characterised in that: the ejection piece is the lift of L shape
Arm is risen, the L shape lift arm and lock core fixing piece are rotatablely connected, when lock core enters second segment rotational travel, the L shape lifting
Arm is by lock core band trend battery ejection direction rotation.
3. battery box for electric vehicle extrusion method according to claim 2, it is characterised in that: in the lower part of the battery case
A slot being vertically arranged is opened up, the top of slot constitutes the force part with ejection piece cooperation, one end of the L shape lift arm
It is moved in the slot, and oppresses the force part when end moves upwards.
4. battery box for electric vehicle extrusion method according to claim 3, it is characterised in that: the L shape lift arm with
Torsional spring is set between lock core fixing piece, and the torsional spring is pressed on one end of L shape lift arm at the force part of the battery case.
5. battery box for electric vehicle extrusion method according to claim 4, it is characterised in that: the torsional spring is lifted L shape
The upward lifting force between force part that arm end provides with due to the weight of battery case provided at force part to
Under pressure match.
6. a kind of battery box for electric vehicle liftout attachment, exists including the lock core being arranged in battery case installing pipe and lock tongue, setting
Fixation hole on battery case, the lock tongue drive insertion by the lock core or are detached from the fixation hole；It is characterized by:
Equipped with an ejection piece, the force part of one with ejection piece cooperation are correspondingly provided on battery case；
From lock tongue locked position of coupler, when the angle of lock core rotation is located at 0 to first angle range, lock core is through the first gear
Structure is connect with the lock tongue；When the angle of the lock core rotation is located at first angle to second angle range, lock core is through second
Motivation structure is connect with the ejection piece, and a part of the battery case is ejected battery case installing pipe by the ejection piece.
7. battery box for electric vehicle liftout attachment according to claim 6, it is characterised in that: the ejection piece is the lift of L shape
Arm is risen, described L shape lift arm one end and lock core fixing piece are rotatablely connected, and the other end is located at below the force part of battery case, structure
At ejection end.
8. battery box for electric vehicle extrusion method according to claim 7, it is characterised in that: in the lower part of the battery case
The slot arranged vertically equipped with one, the top of slot constitute the force part with ejection piece cooperation, the ejection of the L shape lift arm
End moves in the slot, and the force part is oppressed when end moves upwards.
9. battery box for electric vehicle extrusion method according to claim 8, it is characterised in that: the L shape lift arm and lock
Torsional spring is equipped between core fixing piece, the torsional spring is pressed on one end of L shape lift arm at the force part of the battery case.
10. battery box for electric vehicle liftout attachment according to claim 6, it is characterised in that: the first angle is 60 °
~65 °；The second angle is 120 °~160 °.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910109074.1A CN109895930A (en) | 2019-02-03 | 2019-02-03 | A kind of battery box for electric vehicle liftout attachment and extrusion method |
| PCT/CN2019/109753 WO2020155662A1 (en) | 2019-02-03 | 2019-09-30 | Ejection device and ejection method for battery box for electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910109074.1A CN109895930A (en) | 2019-02-03 | 2019-02-03 | A kind of battery box for electric vehicle liftout attachment and extrusion method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109895930A true CN109895930A (en) | 2019-06-18 |
Family
ID=66944727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910109074.1A Pending CN109895930A (en) | 2019-02-03 | 2019-02-03 | A kind of battery box for electric vehicle liftout attachment and extrusion method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109895930A (en) |
| WO (1) | WO2020155662A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110155240A (en) * | 2019-06-29 | 2019-08-23 | 漳州万宝能源科技有限公司 | Electric bicycle pipe battery anti-shedding mechanism and its application method |
| WO2020155662A1 (en) * | 2019-02-03 | 2020-08-06 | 星恒电源股份有限公司 | Ejection device and ejection method for battery box for electric bicycle |
| CN112838317A (en) * | 2019-11-07 | 2021-05-25 | 台达电子工业股份有限公司 | Battery box structure |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115172967B (en) * | 2021-04-02 | 2024-02-09 | 上海汽车集团股份有限公司 | New energy automobile's power battery connecting device and new energy automobile |
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|---|---|---|---|---|
| US20040125554A1 (en) * | 2001-08-14 | 2004-07-01 | Deluga Ronald E. | Latch assembly that facilitates the insertion and removal of a battery module from an electronic device |
| CN101847696A (en) * | 2009-03-25 | 2010-09-29 | 鸿富锦精密工业（深圳）有限公司 | Battery module locking and fixing device |
| CN207917076U (en) * | 2018-03-12 | 2018-09-28 | 天津固德莱特科技发展有限公司 | Battery case side fills integral type bicycle beam pipe |
| TWM568549U (en) * | 2018-08-01 | 2018-10-11 | 台灣口木工業股份有限公司 | Battery anti-theft lock for electric vehicles |
| CN208056873U (en) * | 2018-03-19 | 2018-11-06 | 南通口木车件有限公司 | The battery lock construction of electric vehicle |
| CN209163633U (en) * | 2018-08-10 | 2019-07-26 | 南通口木车件有限公司 | Electrocar battery anti-theft lockset |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109895930A (en) * | 2019-02-03 | 2019-06-18 | 星恒电源股份有限公司 | A kind of battery box for electric vehicle liftout attachment and extrusion method |
-
2019
- 2019-02-03 CN CN201910109074.1A patent/CN109895930A/en active Pending
- 2019-09-30 WO PCT/CN2019/109753 patent/WO2020155662A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040125554A1 (en) * | 2001-08-14 | 2004-07-01 | Deluga Ronald E. | Latch assembly that facilitates the insertion and removal of a battery module from an electronic device |
| CN101847696A (en) * | 2009-03-25 | 2010-09-29 | 鸿富锦精密工业（深圳）有限公司 | Battery module locking and fixing device |
| CN207917076U (en) * | 2018-03-12 | 2018-09-28 | 天津固德莱特科技发展有限公司 | Battery case side fills integral type bicycle beam pipe |
| CN208056873U (en) * | 2018-03-19 | 2018-11-06 | 南通口木车件有限公司 | The battery lock construction of electric vehicle |
| TWM568549U (en) * | 2018-08-01 | 2018-10-11 | 台灣口木工業股份有限公司 | Battery anti-theft lock for electric vehicles |
| CN209163633U (en) * | 2018-08-10 | 2019-07-26 | 南通口木车件有限公司 | Electrocar battery anti-theft lockset |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020155662A1 (en) * | 2019-02-03 | 2020-08-06 | 星恒电源股份有限公司 | Ejection device and ejection method for battery box for electric bicycle |
| CN110155240A (en) * | 2019-06-29 | 2019-08-23 | 漳州万宝能源科技有限公司 | Electric bicycle pipe battery anti-shedding mechanism and its application method |
| CN112838317A (en) * | 2019-11-07 | 2021-05-25 | 台达电子工业股份有限公司 | Battery box structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020155662A1 (en) | 2020-08-06 |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190618 |
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| RJ01 | Rejection of invention patent application after publication |