CN112531266B - Portable reassembling type lithium cell - Google Patents
Portable reassembling type lithium cell Download PDFInfo
- Publication number
- CN112531266B CN112531266B CN202011225102.5A CN202011225102A CN112531266B CN 112531266 B CN112531266 B CN 112531266B CN 202011225102 A CN202011225102 A CN 202011225102A CN 112531266 B CN112531266 B CN 112531266B
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- lithium battery
- fixing component
- battery pack
- shell
- base
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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
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/14—Cells with non-aqueous electrolyte
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
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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
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
- H01M6/5011—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature for several cells simultaneously or successively
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
- H01M6/5038—Heating or cooling of cells or batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to a portable detachable lithium battery, which comprises a shell, a lithium battery pack and an end cover, wherein a fixing mechanism is arranged in the shell, the fixing mechanism comprises a base, a first fixing component, a second fixing component, a third fixing component and a fourth fixing component, the first fixing component, the second fixing component, the third fixing component and the fourth fixing component respectively comprise a bearing unit and a side pressing unit, the bearing unit bears the bottom of the lithium battery pack and moves downwards under the action of gravity of the lithium battery pack, and the side pressing unit is driven to form a support for the side face of the lithium battery pack from outside to inside in the downward movement process of the bearing unit; the invention solves the problems that the cost is high because the shells of different matching types are required to be produced aiming at the lithium battery packs of different sizes by opening the mould, and the shells of the matching types are tightly clung to the outer wall of the lithium battery pack in order to form good positioning and fixing effects on the lithium battery packs, so that the lithium battery packs are laborious to assemble and difficult to clamp and separate from the shells when taken out.
Description
Technical field:
the invention belongs to the technical field of lithium batteries, and particularly relates to a convenient detachable lithium battery.
The background technology is as follows:
the application of lithium batteries is wide, and as the use amount increases, a plurality of problems need to be solved.
The utility model provides a chinese patent of publication No. CN108336268A discloses a lithium battery shell and use lithium battery of this shell, including main part and lithium battery, the bottom groove is settled to the bottom of the inside upper inner room of main part, the upper wall of bottom groove is fixed with the insection, the interlayer is installed to the below, the outer wall connection of interlayer has the fixture block, the upper end of lower inner room inner wall is fixed with the installation angle, the inside of installation angle is provided with the screw thread, the top layer is settled in the outside, the middle section of top layer is connected with the cushion, the lithium battery is located the upper end of bottom groove, the top of lithium battery is fixed with the extreme, this lithium battery shell and use the lithium battery of this shell are provided with bottom groove and insection, settle the lithium battery that can be fine through the bottom groove, and let the lithium battery settle at the bottom groove more stably, prevent that its bottom from taking place to slide.
However, the case can be used only for a single type of battery pack, and a new case is required to be opened when the battery type is slightly changed, so that the cost is high, and in addition, the case is difficult to take out the battery after the battery is put in.
The invention comprises the following steps:
the invention aims at overcoming the defects of the prior art, and provides a convenient detachable lithium battery, wherein a fixing mechanism is arranged, a fixing component of the fixing mechanism consists of a bearing unit and a side pressure unit, so that the side pressure unit on the side edge driven by the bearing unit can be used for compacting and fixing the side surface of the lithium battery pack by utilizing the self gravity action of the lithium battery pack.
The technical solution of the invention is as follows:
the utility model provides a convenient dismouting formula lithium cell, includes the shell, sets up the lithium cell group in the shell and with shell complex end cover, be provided with fixed establishment in the shell, fixed establishment is including setting up the base of bottom in the shell and setting up first fixed subassembly, second fixed subassembly, third fixed subassembly and the fourth fixed subassembly on the base, first fixed subassembly, second fixed subassembly, third fixed subassembly and fourth fixed subassembly are located four inside walls departments of shell respectively, first fixed subassembly, second fixed subassembly, third fixed subassembly and fourth fixed subassembly all include bearing unit and side pressure unit, the bottom of bearing unit bearing lithium cell group moves down under the action of the gravity of lithium cell group, the in-process that bearing unit moved down drives the side pressure unit and forms the support by outside to the side of interior to lithium cell group.
Preferably, the base is provided with a cross-shaped rotating seat at the end part, the bearing unit comprises a rotating drum rotatably arranged on the rotating seat and a supporting plate fixedly connected with the surface of the rotating drum, and an elastic reset piece a is connected between the supporting plate and the base.
As one preferable, the side pressure unit comprises a vertical plate and a pressing plate rotatably arranged at the upper end part of the vertical plate, the lower end part of the vertical plate is provided with a collar which is rotatably arranged on the rotary drum through the collar, the surface of the rotary drum is provided with a bolt hole a, the lower end of the vertical plate is provided with a bolt hole b, a bolt is arranged in the bolt hole b, and the lower end part of the bolt is inserted into the bolt hole a to form a limit for an included angle between the vertical plate and the supporting plate.
Preferably, a sliding groove penetrating through the vertical plate and communicated with the bolt hole b is formed in the position, close to the lower end portion, of the vertical plate, and a pin withdrawing assembly is arranged in the sliding groove and used for driving the bolt to be separated from the bolt hole a under the action of downward pressing of the lithium battery pack when the volume of the lithium battery pack is large.
As one preferable mode, the pin withdrawing component comprises a sliding block, a limiting block and an elastic reset piece b, wherein the sliding block is arranged in a sliding groove in a sliding way, the limiting block is arranged at the tail end of the sliding block, the elastic reset piece b is connected between the limiting block and the vertical plate, a limiting groove is formed in the bottom surface of the sliding block, an inclined surface section and a plane section are arranged on the top surface of the limiting groove, a guide rod is arranged at the upper end part of the bolt, and the guide rod is arranged in the limiting groove;
the front end of the sliding block is provided with an inclined plane.
Preferably, the end of the supporting plate is provided with a bearing block, and the bearing block is rotatably arranged on the supporting plate.
As still another preferable mode, a square groove is formed in the bottom of the shell, and a positioning block matched with the square groove is arranged at the bottom of the base.
As still another preferable mode, limiting blocks are arranged on the back surfaces of the vertical plates, and the limiting blocks enable the vertical plates to rotate to be in a perpendicular state with the base and then cannot rotate outwards.
The invention has the beneficial effects that:
1. according to the invention, the fixing mechanism is arranged in the battery shell, each fixing component of the fixing mechanism is composed of the bearing unit and the side pressure unit, so that the side pressure unit on the side edge can be driven to press and fix the side surface of the lithium battery pack by utilizing the gravity action of the lithium battery pack when the lithium battery pack is assembled in the shell.
2. In the invention, a space is reserved between the fixing mechanism and the inner wall of the shell after the fixing mechanism finishes fixing the lithium battery pack, and in the prior art, in order to form good fixing for the lithium battery pack when the size of the shell is larger, filling materials are injected into the reserved gap.
3. According to the invention, the pin withdrawing assembly is arranged at the vertical plate, so that when the lithium battery pack is large in size and is almost adhered to the inner wall of the vertical plate during loading, the sliding block of the pin withdrawing assembly can be driven to slide outwards by the side edge of the lithium battery pack, so that the pin is driven to move upwards to cancel the limiting effect on the rotary drum, and the lithium battery pack moves downwards to drive the supporting plate to rotate downwards to enable the lithium battery pack to reach a certain depth position.
In conclusion, the lithium battery has the advantages of simple and ingenious structure, convenience in disassembly and assembly and the like, and is particularly suitable for the technical field of lithium batteries.
Description of the drawings:
the invention is further described with reference to the accompanying drawings:
fig. 1 is a schematic view of the internal structure of a portable detachable lithium battery;
FIG. 2 is a schematic structural view of a fixing mechanism;
FIG. 3 is an enlarged schematic view of FIG. 2 at A;
fig. 4 is a schematic view showing a state during the process of assembling the lithium battery into the casing;
fig. 5 is a schematic view showing a state when the lithium battery pack is completed;
FIG. 6 is a schematic view of a larger lithium battery pack size fitted to a riser;
FIG. 7 is a schematic cross-sectional view of a fixed lease;
FIG. 8 is an enlarged schematic view of FIG. 7 at B;
FIG. 9 is a schematic view of a guide bar and a limiting groove;
FIG. 10 is a schematic view of the pallet, drum and riser configuration;
fig. 11 is a schematic view of the external structure of a portable detachable lithium battery.
The specific embodiment is as follows:
the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings.
Example 1
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 11, a portable detachable lithium battery comprises a housing 1, a lithium battery pack 2 arranged in the housing 1 and an end cover 3 matched with the housing 1, wherein a fixing mechanism 4 is arranged in the housing 1, the fixing mechanism 4 comprises a base 41 arranged at the inner bottom of the housing 1 and a first fixing component 42, a second fixing component 43, a third fixing component 44 and a fourth fixing component 45 arranged on the base 41, the first fixing component 42, the second fixing component 43, the third fixing component 44 and the fourth fixing component 45 are respectively positioned at the four inner side walls of the housing 1, the first fixing component 42, the second fixing component 43, the third fixing component 44 and the fourth fixing component 45 comprise a supporting unit 10 and a side pressing unit 20, the supporting unit 10 supports the bottom of the lithium battery pack 2 and moves downwards under the action of gravity of the lithium battery pack 2, and the supporting unit 10 is driven to move inwards to form a support on the side surface of the lithium battery pack 2 in the process.
It is worth mentioning that, through setting up fixed establishment in the battery housing, and set up each fixed subassembly of fixed establishment and constitute by bearing unit and side pressure unit, thereby can utilize the gravity effect of lithium cell group self in bearing unit to drive the side pressure unit and compress tightly fixedly to the side of lithium cell group when assembling lithium cell into the shell, this kind of mode is fixed firm, lithium cell group size is not of uniform size, generally need to be directed against the lithium cell group die sinking production of different matching type's shell of different sizes lead to the cost height, the invention has solved this problem, make the shell of single type can pack into the lithium cell group of different types that is less than its size, greatly reduced the cost, in addition matching type's shell is in order to form good location fixed action to lithium cell group, the inner wall is all hugged closely the outer wall of lithium cell group, it is comparatively hard to make when lithium cell group, and card when taking out, and more hard to break away with the shell, the effect that its gravity pushes down forms fixed firm because of gravity release can loosen both sides's compress tightly force, take out when lifting.
In addition, the fixing mechanism leaves a space between the fixing mechanism and the inner wall of the shell after the fixing of the lithium battery pack is completed, and in the prior art, in order to well fix the lithium battery pack at the left gap when the size of the shell is large, the mode has troublesome working procedures, takes materials and affects heat dissipation of the battery, and the heat dissipation effect of the battery can be further improved due to the existence of the mode gap.
Further, the base 41 is configured in a cross shape, the end portions of the base 41 are respectively provided with a rotating seat 411, the bearing unit 10 includes a rotating drum 101 rotatably arranged on the rotating seat 411, and a supporting plate 102 fixedly connected with the surface of the rotating drum 101, and an elastic reset member a103 is connected between the supporting plate 102 and the base 41.
Further, the side pressure unit 20 includes a vertical plate 201 and a pressing plate 202 rotatably disposed at an upper end portion of the vertical plate 201, a collar 203 is disposed at a lower end portion of the vertical plate 201 and is rotatably disposed on the drum 101 through the collar 203, a bolt hole a104 is formed in the surface of the drum 101, a bolt hole b204 is formed in a lower end of the vertical plate 201, a bolt 205 is disposed in the bolt hole b204, and a limit is formed by inserting a lower end portion of the bolt 205 into the bolt hole a104 to form an included angle between the vertical plate 201 and the supporting plate 102.
When the lithium battery is assembled, the supporting plate 102 is driven to rotate downwards under the action of gravity, so that the vertical plate 201 is driven to rotate inwards by the rotary drum to lean against the side edge of the lithium battery pack to form a support.
Further, a sliding groove 206 penetrating through the vertical plate 201 and communicating with the plug hole b204 is formed in the position, close to the lower end portion, of the vertical plate 201, a pin withdrawing assembly 30 is disposed in the sliding groove 206, and the pin withdrawing assembly 30 is used for driving the plug 205 to separate from the plug hole a104 under the action of the downward pressure of the lithium battery pack 2 when the volume of the lithium battery pack 2 is large.
Further, the pin withdrawing assembly 30 includes a sliding block 301 slidably disposed in the sliding slot 206, a limiting block 302 disposed at the tail end of the sliding block 301, and an elastic restoring member b303 connected between the limiting block 302 and the vertical plate 201, a limiting slot 304 is formed on the bottom surface of the sliding block 301, a bevel section 305 and a plane section 306 are disposed on the top surface of the limiting slot 304, a guide rod is disposed at the upper end of the pin, and the guide rod is disposed in the limiting slot;
the front end of the slider 301 is provided with a bevel 307.
Here, through setting up the round pin subassembly that moves back in riser department for when lithium cell group size is great, the circumstances of nearly being close to the riser inner wall when packing into, can drive the slider that moves back the round pin subassembly with the help of the side of lithium cell group and slide outside thereby drive the bolt and move and cancel the restriction effect to the rotary drum, thereby make lithium cell group move down can drive the layer board and rotate downwards and make lithium cell group reach certain degree of depth position.
Further, a square groove 11 is formed in the bottom of the housing 1, and a positioning block 412 matched with the square groove 11 is arranged at the bottom of the base 41.
Still further, the back of the vertical plate 201 is provided with a limiting block 5, and the limiting block is arranged to prevent the vertical plate from rotating outwards after rotating to be perpendicular to the base.
Example two
As shown in fig. 10, wherein the same or corresponding parts as those in the first embodiment are given the same reference numerals as those in the first embodiment, only the points of distinction from the first embodiment will be described below for the sake of brevity; the second embodiment is different from the first embodiment in that: the end of the supporting plate 102 is provided with a bearing block 105, and the bearing block 105 is rotatably arranged on the supporting plate 102.
In this embodiment, through setting up carrier block 105 to set up its rotatable setting on layer board 102, make it can form the support to the bottom of lithium cell group better, the corner direct bearing lithium cell group of layer board 102 that avoids easily causes the damage to lithium cell group bottom.
While the invention has been described with reference to the preferred embodiments, it should be noted that the invention is not limited to the above embodiments, and that various changes and modifications can be made by those skilled in the art without departing from the structure of the invention, and these should also be regarded as the scope of the invention without affecting the effect and practicality of the implementation of the invention.
Claims (5)
1. The utility model provides a convenient reassembling type lithium cell, includes shell (1), sets up lithium cell group (2) in shell (1) and with shell (1) complex end cover (3), its characterized in that: the utility model discloses a reset plate (201) of a rotary table, which comprises a shell (1), wherein a fixing mechanism (4) is arranged in the shell (1), the fixing mechanism (4) comprises a base (41) arranged at the inner bottom of the shell (1) and a first fixing component (42), a second fixing component (43), a third fixing component (44) and a fourth fixing component (45) arranged on the base (41), the first fixing component (42), the second fixing component (43), the third fixing component (44) and the fourth fixing component (45) are respectively positioned at the four inner side walls of the shell (1), the first fixing component (42), the second fixing component (43), the third fixing component (44) and the fourth fixing component (45) comprise a bearing unit (10) and a side pressing unit (20), the base (41) is arranged into a cross shape, the end part of the base is provided with a rotary table (411), the bearing unit (10) comprises a rotary drum (101) rotatably arranged on the rotary table (411) and a supporting plate (102) fixedly connected with the surface of the rotary drum (101), a reset plate (201) is connected with the base (102) and the base (103) and the end part of the reset plate (201) comprises a reset plate (201), the utility model provides a lithium battery pack, including lithium battery pack, support unit (10), support unit (2) and lithium battery pack, lower tip of riser (201) is provided with lantern ring (203), and it sets up on rotary drum (101) through lantern ring (203) rotatable, bolt hole a (104) have been seted up on rotary drum (101) surface, bolt hole b (204) have been seted up to the lower extreme of riser (201), be provided with bolt (205) in bolt hole b (204), the contained angle between riser (201) and layer board (102) forms spacingly in bolt hole a (104) are inserted to the lower tip of bolt (205), position department that is close to lower tip on riser (201) has been seted up and has been run through riser (201) and with spout (206) of bolt hole b (204) intercommunication, spout (206) department is provided with and moves back round pin subassembly (30), it is used for driving bolt (205) and breaking away from bolt hole a (104) under the pushing down of lithium battery pack (2) when lithium battery pack (2) volume is great, the bottom of support unit (10) support unit (2) support lithium battery pack and support unit (20) move down in the side by side of the support unit (20).
2. The portable detachable lithium battery of claim 1, wherein: the pin withdrawing assembly (30) comprises a sliding block (301) arranged in the sliding groove (206) in a sliding manner, a limiting block (302) arranged at the tail end of the sliding block (301) and an elastic reset piece b (303) connected between the limiting block (302) and the vertical plate (201), a limiting groove (304) is formed in the bottom surface of the sliding block (301), an inclined surface section (305) and a plane section (306) are arranged on the top surface of the limiting groove (304), a guide rod (308) is arranged at the upper end of the plug pin (205), and the guide rod (308) is arranged in the limiting groove (304); a slope (307) is arranged at the front end part of the sliding block (301).
3. The portable detachable lithium battery of claim 1, wherein: the end of the supporting plate (102) is provided with a bearing block (105), and the bearing block (105) is rotatably arranged on the supporting plate (102).
4. The portable detachable lithium battery of claim 1, wherein: square grooves (11) are formed in the bottom of the shell (1), and positioning blocks (412) matched with the square grooves (11) are arranged at the bottom of the base (41).
5. The portable detachable lithium battery of claim 1, wherein: limiting blocks (5) are arranged on the back surfaces of the vertical plates (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011225102.5A CN112531266B (en) | 2020-11-05 | 2020-11-05 | Portable reassembling type lithium cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011225102.5A CN112531266B (en) | 2020-11-05 | 2020-11-05 | Portable reassembling type lithium cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112531266A CN112531266A (en) | 2021-03-19 |
| CN112531266B true CN112531266B (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011225102.5A Active CN112531266B (en) | 2020-11-05 | 2020-11-05 | Portable reassembling type lithium cell |
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| CN (1) | CN112531266B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114156584B (en) * | 2021-11-24 | 2023-11-24 | 江西科技学院 | Battery fixing device for new energy automobile convenient to dismouting |
| CN115714230B (en) * | 2023-01-06 | 2023-04-18 | 河南锂动电源有限公司 | Laminate polymer battery support convenient to fast assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999057740A1 (en) * | 1998-05-07 | 1999-11-11 | Suract | Battery-type electric power supply device |
| CN209912906U (en) * | 2019-02-19 | 2020-01-07 | 金华市恒创新能源有限公司 | Lithium battery protection device for storage battery car |
| CN111384330A (en) * | 2018-12-30 | 2020-07-07 | 浙江吉智新能源汽车科技有限公司 | Battery pack quick-change device for vehicle and vehicle |
| CN211252185U (en) * | 2019-12-05 | 2020-08-14 | 慧橙新能源发展(杭州)有限公司 | Power battery convenient to dismouting is changed |
| CN211578812U (en) * | 2019-12-18 | 2020-09-25 | 山东明宇新能源技术有限公司 | Sightseeing vehicle battery fixing box convenient to disassemble and assemble |
| CN211578833U (en) * | 2020-03-01 | 2020-09-25 | 吴富荣 | New energy automobile battery box with shock-absorbing function |
-
2020
- 2020-11-05 CN CN202011225102.5A patent/CN112531266B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999057740A1 (en) * | 1998-05-07 | 1999-11-11 | Suract | Battery-type electric power supply device |
| CN111384330A (en) * | 2018-12-30 | 2020-07-07 | 浙江吉智新能源汽车科技有限公司 | Battery pack quick-change device for vehicle and vehicle |
| CN209912906U (en) * | 2019-02-19 | 2020-01-07 | 金华市恒创新能源有限公司 | Lithium battery protection device for storage battery car |
| CN211252185U (en) * | 2019-12-05 | 2020-08-14 | 慧橙新能源发展(杭州)有限公司 | Power battery convenient to dismouting is changed |
| CN211578812U (en) * | 2019-12-18 | 2020-09-25 | 山东明宇新能源技术有限公司 | Sightseeing vehicle battery fixing box convenient to disassemble and assemble |
| CN211578833U (en) * | 2020-03-01 | 2020-09-25 | 吴富荣 | New energy automobile battery box with shock-absorbing function |
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| CN112531266A (en) | 2021-03-19 |
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