CN217396211U - Battery mounting structure and electric motor car - Google Patents

Battery mounting structure and electric motor car Download PDF

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Publication number
CN217396211U
CN217396211U CN202220847107.XU CN202220847107U CN217396211U CN 217396211 U CN217396211 U CN 217396211U CN 202220847107 U CN202220847107 U CN 202220847107U CN 217396211 U CN217396211 U CN 217396211U
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CN
China
Prior art keywords
battery
cavity
mechanical
mechanical lock
mounting structure
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Active
Application number
CN202220847107.XU
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Chinese (zh)
Inventor
杜松显
卢江涛
唐伟
罗锦
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Zhejiang Okai Vehicle Co Ltd
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Zhejiang Okai Vehicle Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Okai Vehicle Co Ltd filed Critical Zhejiang Okai Vehicle Co Ltd
Priority to CN202220847107.XU priority Critical patent/CN217396211U/en
Priority to FR2204392A priority patent/FR3134656A3/en
Priority to DE202022102693.9U priority patent/DE202022102693U1/en
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Publication of CN217396211U publication Critical patent/CN217396211U/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J43/00—Arrangements of batteries
    • B62J43/20—Arrangements of batteries characterised by the mounting
    • 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
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The utility model discloses a battery mounting structure and an electric vehicle, wherein the battery mounting structure comprises a frame and a battery, a battery cavity is arranged on the frame, and the battery is connected in the battery cavity; a first electrical interface and a second electrical interface for electrically connecting the battery are respectively arranged in the battery cavity and on the battery; an electromagnetic lock groove and a mechanical lock groove are formed in one end of the battery, and an electromagnetic lock matched with the electromagnetic lock groove and a manual mechanical lock matched with the mechanical lock groove are respectively arranged on the frame; the other end of the battery is provided with a first buckle, and a second buckle matched with the first buckle is arranged in the battery cavity. The utility model discloses a double-lock structure of intelligent control electromagnetic lock and reserve insurance hand-operated machine lock, convenience of customers unblanks, and the other end of battery is provided with simultaneously with battery chamber complex buckle anti falling structure, and the battery takes place to drop when avoiding the unblock battery and makes the impaired problem of battery.

Description

Battery mounting structure and electric motor car
Technical Field
The utility model relates to an electric motor car technical field, concretely relates to battery mounting structure and electric motor car.
Background
The intelligent electric motor car battery on the existing market is mostly fixed mounting to the electric motor car, and the electric motor car need lean on battery powered in the use, and the battery needs to carry out the circulation and charges after the electric quantity is used up, need remove whole electric motor car to the place that has charging source when battery charging, and the space of needs is big, and it is many to occupy the resource, and the battery is stolen easily moreover, causes user property potential safety hazard. Therefore, batteries on electric vehicles are increasingly designed to be detachably charged.
However, the existing battery locking mechanism generally adopts a single mechanical lock or a structure of combining a mechanical lock and a manual lock, and the single mechanical lock is difficult to unlock and poor in durability due to the stress of a lock cylinder; and mechanical lock adds manual lock structure and then needs both hands simultaneous operation to unblank, leads to the battery to drop suddenly and damages the battery.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a technical scheme does:
a battery mounting structure comprises a frame and a battery, wherein a battery cavity is formed in the frame, and the battery is connected in the battery cavity; a first electrical interface and a second electrical interface for electrically connecting the battery are respectively arranged in the battery cavity and on the battery; an electromagnetic lock groove and a mechanical lock groove are formed in one end of the battery, and an electromagnetic lock matched with the electromagnetic lock groove and a manual mechanical lock matched with the mechanical lock groove are respectively arranged on the frame; the other end of the battery is provided with a first buckle, and a second buckle matched with the first buckle is arranged in the battery cavity.
The battery mounting structure is improved, and an intelligent control electromagnetic lock and a backup safety manual mechanical lock are adopted to realize the double locking function, wherein the electromagnetic lock is an anti-theft mechanism and is controlled by an electric vehicle instrument switch or a user mobile terminal; the manual mechanical lock has two functions, one is to eliminate the gap between the electromagnetic lock and the battery locking surface, so that the battery can be stably fixed in the battery cavity, and the electric connection between the first electrical interface and the second electrical interface is ensured, and the other is to play a backup locking function after the electromagnetic lock is unlocked, and then operate the manual mechanical lock to separate the battery from the battery cavity; meanwhile, the other end of the battery is provided with a buckle anti-falling structure matched with the battery cavity, so that the battery pops out for a certain angle after being unlocked, the rear part of the battery is clamped, and the battery is prevented from falling suddenly. Such battery mounting structure convenience of customers unblanks, and the battery takes place to drop when avoiding the unblock battery and makes the impaired problem of battery, and the battery is stronger with the connection stability in battery chamber.
Further, the battery cavity comprises an opening which is opened downwards, and the second buckle is arranged close to the opening. After the electromagnetic lock and the manual mechanical lock are unlocked, the battery can use the matching position of the first buckle and the second buckle as a rotation point, so that the front end of the battery is separated from the battery cavity by a certain angle, and the battery is convenient to take out.
Furthermore, one end of the first buckle is fixed on the battery, the other end of the first buckle extends to a direction far away from the battery to form a first barb part, and a barb gap is formed between the first barb part and the battery; one end of the second buckle is fixed on the inner wall of the battery cavity, the other end of the second buckle extends in the direction far away from the opening to form a second barb part, and the second barb part is located in the barb gap. The barb clearance is used for the battery and the separation of battery chamber makes the certain corner range that provides, and the cooperation of first barb portion and second barb portion prevents that the battery does not take place to drop.
Furthermore, the electromagnetic lock comprises a movable electromagnetic lock tongue, and the electromagnetic lock tongue penetrates through the inner wall of the battery cavity and is connected in the electromagnetic lock groove. The electromagnetic lock tongue and the electromagnetic lock groove are matched to realize the anti-theft function of the battery.
Furthermore, the manual mechanical lock comprises a mechanical lock tongue, a spring and a deflector rod, and the mechanical lock tongue penetrates through the inner wall of the battery cavity and is connected into the mechanical lock groove; a mechanical lock cavity is formed in the frame, the mechanical lock tongue and the spring are both located in the mechanical lock cavity, one end of the spring abuts against the mechanical lock cavity, and the other end of the spring abuts against the mechanical lock tongue; the frame is further provided with a stroke cavity, one end of the shifting rod penetrates through the stroke cavity to be connected with the mechanical spring bolt, the other end of the shifting rod extends to the outside of the frame, and the shifting rod is movably connected in the stroke cavity. The clearance between electromagnetic lock and the battery locking face is eliminated in the cooperation of mechanical spring bolt and mechanical locked groove, also is used for the manual locking of removing the battery, and the operation driving lever drives mechanical spring bolt and removes the separation that realizes mechanical spring bolt and mechanical locked groove, and the spring is used for resetting of mechanical spring bolt.
Furthermore, a sealing plate is arranged on one side, away from the battery cavity, of the mechanical lock cavity, a positioning hole is formed in the sealing plate, a positioning column is arranged on one side, close to the sealing plate, of the mechanical lock tongue, and the positioning column is connected in the positioning hole. The positioning columns and the positioning holes are matched to ensure the guiding accuracy of the mechanical lock tongue before and after the manual unlocking process.
Furthermore, a spring pin seat is arranged in the battery cavity and close to the first electrical interface, and a spring pin is arranged in the spring pin seat; and a bouncing part is arranged at the position of the battery close to the elastic pin seat, and the elastic pin is propped against the bouncing part. Under the effect of bullet round pin, the battery can initiatively pop out after electromagnetic lock and the manual mechanical lock unblock, and convenience of customers takes out the battery.
Further, the first electrical interface, the electromagnetic lock and the manual mechanical lock are arranged on the same side of the battery cavity.
Furthermore, a mechanical lock cylinder is arranged on the electromagnetic lock, and a mechanical lock hole connected with the mechanical lock cylinder is arranged on one side of the electromagnetic lock. The electromagnetic lock is provided with the mechanical lock cylinder, and the battery can be taken out by opening the electromagnetic lock through a mechanical key under the extreme condition that the battery is empty.
An electric vehicle adopts foretell battery mounting structure.
Drawings
Fig. 1 is an exploded view of an embodiment of the present invention.
Fig. 2 is an exploded view of the battery and the battery cavity locking surface according to the embodiment of the present invention.
Fig. 3 is an exploded view of the battery and the locking surface of the battery cavity at another angle according to the embodiment of the present invention.
Fig. 4 is a side view of an embodiment of the present invention.
Fig. 5 is a cross-sectional view a-a of fig. 4.
Fig. 6 is an enlarged view of a portion C in fig. 5.
Fig. 7 is a sectional view of B-B in fig. 4.
Fig. 8 is an enlarged view of a portion D in fig. 7.
Fig. 9 is an enlarged view of a portion E in fig. 7.
Fig. 10 is an exploded view of the manual mechanical lock according to the embodiment of the present invention.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, an integral connection, or a detachable connection; either mechanically or electrically, or internally communicating two elements; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art will understand the specific meanings of the above terms according to specific situations.
Example 1
With reference to fig. 1 to 10, the technical solution of the present invention is a battery mounting structure, including a frame 1 and a battery 2, wherein the frame 1 is provided with a battery cavity 3, the battery cavity 3 faces downward to form an open opening 33, and the battery 2 is connected in the battery cavity 3; a first electrical interface 31 and a second electrical interface 21 which are used for electrically connecting the battery 2 to the frame 1 are respectively arranged in the battery cavity 3 and on the battery 2; an electromagnetic lock groove 22 and a mechanical lock groove 23 are formed in one end of the battery 2, and an electromagnetic lock 4 matched with the electromagnetic lock groove 22 and a manual mechanical lock 5 matched with the mechanical lock groove 23 are respectively arranged on the frame 1; the first electrical interface 31, the electromagnetic lock 4 and the manual mechanical lock 5 are arranged on the same side of the battery cavity 3; the other end of the battery 2 is provided with a first buckle 24, the battery cavity 3 is internally provided with a second buckle 32 matched with the first buckle 24, and the second buckle 32 is arranged close to the opening 33.
In this embodiment, one end of the first buckle 24 is fixed on the battery 2, the other end of the first buckle 24 extends in a direction away from the battery 2 to form a first barb portion 241, and a barb gap 242 is provided between the first barb portion 241 and the battery 2; one end of the second latch 32 is fixed to the inner wall of the battery cavity 3, and the other end of the second latch 32 extends in a direction away from the opening 33 to form a second barb portion 321, and the second barb portion 321 is located in the barb gap 242. In another embodiment, the first latch 24 and the second latch 32 may be other matching structures, as long as after the electromagnetic lock and the manual mechanical lock are unlocked and the battery is bounced by a certain angle, the first latch and the second latch can be engaged with each other so that the battery cannot be directly separated from the battery cavity, and the first latch is inversely hung with the second latch in a stroke when the battery is bounced, so as to prevent the battery from suddenly falling off.
In this embodiment, the electromagnetic lock 4 includes a movable electromagnetic latch 41, and the electromagnetic latch 41 is connected to the electromagnetic lock slot 22 through the inner wall of the battery cavity 3. The electromagnetic lock tongue is controlled by an instrument switch of the electric vehicle or a mobile terminal of a vehicle owner under the condition that the electric vehicle has residual electricity, and the electromagnetic lock receives an action control signal to lock or unlock the electromagnetic lock tongue.
In this embodiment, the manual mechanical lock 5 includes a mechanical latch 51, a spring 52 and a lever 53, and the mechanical latch 51 is connected in the mechanical lock slot 23 through the inner wall of the battery cavity 3; a mechanical lock cavity 11 is formed in the frame 1, the mechanical lock tongue 51 and the spring 52 are both located in the mechanical lock cavity 11, one end of the spring 52 abuts against the mechanical lock cavity 11, and the other end of the spring 52 abuts against the mechanical lock tongue 51; the frame 1 is further provided with a stroke cavity 12, one end of a driving lever 53 penetrates through the stroke cavity 12 to be connected with the mechanical lock tongue 41, the other end of the driving lever 53 extends to the outside of the frame 1, the driving lever 53 is movably connected in the stroke cavity 12, a sealing plate 54 is arranged on one side, away from the battery cavity 3, of the mechanical lock cavity 11, a positioning hole 541 is formed in the sealing plate 54, a positioning column 511 is arranged on one side, close to the sealing plate 54, of the mechanical lock tongue 51, and the positioning column 511 is connected in the positioning hole 541. The mechanical lock tongue is a locking mechanism for a vehicle owner to manually control the deflector rod to act on the battery, when manual unlocking is needed, the deflector rod fluctuates, the spring is compressed, and the mechanical lock tongue is separated from the mechanical lock groove to complete manual unlocking; and releasing the shifting rod, and resetting the mechanical spring bolt under the action of the spring.
In this embodiment, two spring pin seats 34 are provided in the battery cavity 3 at a position close to the first electrical interface 31, the spring pin seats 34 are respectively provided at two sides of the first electrical interface 31, and a spring pin 35 is provided in the spring pin seat 34; a spring portion 25 is provided at a position of the battery 2 near the spring pin seat 34, and the spring pin 35 abuts against the spring portion 25. The elastic pins are arranged on the two sides of the first electrical interface, so that after the electromagnetic lock and the manual mechanical lock are unlocked, an acting force can be applied to the battery by the elastic pins, the battery is popped out from the battery cavity, and a vehicle owner can take out the battery conveniently.
In this embodiment, a mechanical lock cylinder is disposed on the electromagnetic lock 4, and a mechanical lock hole 42 connected to the mechanical lock cylinder is disposed on one side of the electromagnetic lock 4. The electromagnetic lock is provided with the mechanical lock cylinder, and the battery can be taken out by opening the electromagnetic lock through a mechanical key under the extreme condition that the battery is empty.
The utility model discloses technical scheme's unblock theory of operation does: through the withdrawal of app control electromagnetic lock tongue on electric motor car instrument switch or the car owner's cell-phone, the mechanical lock tongue withdrawal is made to the operating push rod of another hand, the battery loses the locking of electromagnetic lock and manual mechanical lock and the front end of battery pops out to the opening direction under the effect of bullet round pin, after the battery pops out certain angle, first buckle and second buckle can interlock each other and make the rear end of battery can not follow the battery intracavity and directly break away from, then adjust the rear end angle of battery and take out the battery from the battery intracavity easily. The utility model discloses a battery mounting structure has greatly improved electric power bicycle battery locking mechanism difficulty of unblanking and lock core fragile, has avoided the risk that the battery dropped suddenly easily, has improved the life of battery lock and battery, makes the user have better use and experiences.
Example 2
With reference to fig. 1 to 10, the present invention provides an electric vehicle, which employs the battery mounting structure of embodiment 1.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims (10)

1. A battery mounting structure is characterized by comprising a frame and a battery, wherein a battery cavity is formed in the frame, and the battery is connected in the battery cavity; a first electrical interface and a second electrical interface for electrically connecting the battery are respectively arranged in the battery cavity and on the battery; an electromagnetic lock groove and a mechanical lock groove are formed in one end of the battery, and an electromagnetic lock matched with the electromagnetic lock groove and a manual mechanical lock matched with the mechanical lock groove are respectively arranged on the frame; the other end of the battery is provided with a first buckle, and a second buckle matched with the first buckle is arranged in the battery cavity.
2. The battery mounting structure of claim 1, wherein the battery cavity includes an opening that opens downward, and the second catch is disposed proximate the opening.
3. The battery mounting structure according to claim 2, wherein one end of the first clip is fixed to the battery, and the other end of the first clip extends in a direction away from the battery to form a first barb portion, and a barb gap is provided between the first barb portion and the battery; one end of the second buckle is fixed on the inner wall of the battery cavity, the other end of the second buckle extends in the direction far away from the opening to form a second barb part, and the second barb part is located in the barb gap.
4. The battery mounting structure of claim 1, wherein the electromagnetic lock comprises a movable electromagnetic latch tongue, and the electromagnetic latch tongue is connected in the electromagnetic lock groove through the inner wall of the battery cavity.
5. The battery mounting structure of claim 1, wherein the manual mechanical lock comprises a mechanical latch, a spring and a lever, the mechanical latch is connected in the mechanical lock slot through the inner wall of the battery cavity; a mechanical lock cavity is formed in the frame, the mechanical lock tongue and the spring are both positioned in the mechanical lock cavity, one end of the spring abuts against the mechanical lock cavity, and the other end of the spring abuts against the mechanical lock tongue; the frame is further provided with a stroke cavity, one end of the shifting rod penetrates through the stroke cavity to be connected with the mechanical spring bolt, the other end of the shifting rod extends to the outside of the frame, and the shifting rod is movably connected in the stroke cavity.
6. The battery mounting structure of claim 5, wherein a sealing plate is disposed on a side of the mechanical lock cavity away from the battery cavity, the sealing plate is provided with a positioning hole, and a positioning column is disposed on a side of the mechanical lock tongue close to the sealing plate and connected to the positioning hole.
7. The battery mounting structure of claim 1, wherein a spring pin seat is disposed in the battery cavity near the first electrical interface, and a spring pin is disposed in the spring pin seat; and a bouncing part is arranged at the position of the battery close to the elastic pin seat, and the elastic pin is propped against the bouncing part.
8. The battery mounting structure according to any one of claims 1 to 7, wherein the first electrical interface, the electromagnetic lock, and the manual mechanical lock are provided on the same side of the battery cavity.
9. The battery mounting structure according to any one of claims 1 to 7, wherein a mechanical key cylinder is provided on the electromagnetic lock, and a mechanical locking hole connected to the mechanical key cylinder is provided on one side of the electromagnetic lock.
10. An electric vehicle characterized by employing the battery mounting structure of any one of claims 1 to 9.
CN202220847107.XU 2022-04-13 2022-04-13 Battery mounting structure and electric motor car Active CN217396211U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202220847107.XU CN217396211U (en) 2022-04-13 2022-04-13 Battery mounting structure and electric motor car
FR2204392A FR3134656A3 (en) 2022-04-13 2022-05-10 BATTERY AND ELECTRIC VEHICLE INSTALLATION STRUCTURE
DE202022102693.9U DE202022102693U1 (en) 2022-04-13 2022-05-16 Installation structure of a battery and electric vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220847107.XU CN217396211U (en) 2022-04-13 2022-04-13 Battery mounting structure and electric motor car

Publications (1)

Publication Number Publication Date
CN217396211U true CN217396211U (en) 2022-09-09

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Application Number Title Priority Date Filing Date
CN202220847107.XU Active CN217396211U (en) 2022-04-13 2022-04-13 Battery mounting structure and electric motor car

Country Status (3)

Country Link
CN (1) CN217396211U (en)
DE (1) DE202022102693U1 (en)
FR (1) FR3134656A3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4375175A1 (en) * 2022-11-25 2024-05-29 Trend Power Technology (Changshu) Inc. Fixing device for a battery module

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4375175A1 (en) * 2022-11-25 2024-05-29 Trend Power Technology (Changshu) Inc. Fixing device for a battery module

Also Published As

Publication number Publication date
DE202022102693U1 (en) 2022-06-23
FR3134656A3 (en) 2023-10-20

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