CN208313570U - Battery pack and its extrusion tooling - Google Patents
Battery pack and its extrusion tooling Download PDFInfo
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- CN208313570U CN208313570U CN201820769407.4U CN201820769407U CN208313570U CN 208313570 U CN208313570 U CN 208313570U CN 201820769407 U CN201820769407 U CN 201820769407U CN 208313570 U CN208313570 U CN 208313570U
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- battery pack
- floor stringer
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Abstract
The utility model provides a kind of battery pack and its extrusion tooling, can maximized simulated battery packet entrucking state, improve the accuracy of squeeze test.The extrusion tooling of the utility model, including fixed beam and pressure-resisting plate, the fixed beam is fixedly connected with the side of battery pack using dismountable mode, and the pressure-resisting plate is connected to one end that the fixed beam is in front of the direction of extrusion, and the fixed beam is additionally provided with lifting part.On the one hand, it is connect since pressure-resisting plate is not direct with battery pack, forced area will not be reduced because of the limitation of battery pack self structure, it not only can the more truly entrucking state of simulated battery packet, it is thus also avoided that damage battery pack by pressure because forced area is too small.On the other hand, fixed beam is equipped with lifting part, shifts after can directly lifting battery pack by lifting part, without additional setting hanger, saves the required components of lifting, improve the transfer efficiency of battery pack, and then service hoisting test efficiency.
Description
Technical field
The utility model relates to electric vehicle engineering fields, more particularly to battery pack and its extrusion tooling.
Background technique
Battery pack is the main carriers of electric car, and main function is to provide installation for each system element in battery pack inside
Structure, and play a protective role to each component.Battery pack needs the related experiment by national standard, and such as vibration test squeezes examination
It tests, simulated collision test, bonfire test etc..Wherein, squeeze test is test more crucial in battery pack test.In addition to electricity
Except the structural strength and rigidity of Chi Bao itself is wanted enough, relevant tool is also particularly critical.
In the prior art, the left and right ends in front of battery pack are withstood on respectively using two iron blocks, to support by battery pack
The extruding force that rear applies.Using this structure type, stress surface when extruding is small, is easy to damage battery pack itself by pressure, can't
True simulated battery packet is in the situation that is squeezed on vehicle.In addition, since battery pack is heavier, when carrying out squeeze test, also
A mast-up is needed to carry out the lifting of battery pack.
Therefore, a kind of battery pack and its extrusion tooling how are designed, to maximize the entrucking state of simulated battery packet, and to the greatest extent
The intensity of influence battery pack that may be small, is this field urgent problem.
Utility model content
It, can maximized simulated battery packet the purpose of the utility model is to provide a kind of battery pack and its extrusion tooling
Entrucking state improves the accuracy of squeeze test.
To achieve the above object, the utility model provides a kind of extrusion tooling of battery pack, including fixed beam and resistance to compression
Plate, the fixed beam are fixedly connected with the side of battery pack using dismountable mode, and the pressure-resisting plate is connected to the fixation
Beam is in one end in front of the direction of extrusion, and the fixed beam is additionally provided with lifting part.
The extrusion tooling of this programme, on the one hand, battery pack is fixed on fixed beam, then connection is anti-in the front end of fixed beam
Pressing plate is connect since pressure-resisting plate is not direct with battery pack, Bu Huiyin with carrying extruding force suffered by battery pack by pressure-resisting plate
The limitation of battery pack self structure and reduce forced area；At this point, pressure-resisting plate can be according to reality of the battery pack under entrucking state
Forced area is arranged in border stress condition, not only can the more truly entrucking state of simulated battery packet, it is thus also avoided that because of stress
Area is too small and damages battery pack by pressure, the influence as small as possible reduced to battery pack intensity.On the other hand, fixed beam is equipped with and hangs
Piece installing is shifted after can directly being lifted battery pack by lifting part, without additional setting hanger, is saved zero needed for lifting
Component, improve the transfer efficiency of battery pack, and then service hoisting test efficiency.
Optionally, further include attachment beam and jacking block, the attachment beam with its be in one end in front of the direction of extrusion with it is described
Pressure-resisting plate connection, one end in direction of extrusion rear are connect with the jacking block, and the jacking block is along the side opposite with the direction of extrusion
Cooperation is supported to the front end face with the battery pack.
It optionally, further include the first floor stringer that opposing compression direction is obliquely installed, the front and back two of first floor stringer
End connect respectively with the pressure-resisting plate and the attachment beam, the two sides of the attachment beam be supported by respectively at least one described first
Floor stringer, and first floor stringer of two sides tilts in the opposite direction.
It optionally, further include the second floor stringer that opposing compression direction is obliquely installed, the front and back two of second floor stringer
End connect respectively with the pressure-resisting plate and the fixed beam, the two sides of the fixed beam be supported by respectively at least one described second
Floor stringer, and second floor stringer of two sides tilts in the opposite direction.
Optionally, first floor stringer in the same side and second floor stringer are parallel to each other.
Optionally, first floor stringer in side is with another described first floor stringer in opposite side
One group, the line of the first floor stringer described in one group and the intersection point of the attachment beam is parallel to the pressure-resisting plate；
And/or second floor stringer in side is with another described second floor stringer in opposite side
One group, the line of the second floor stringer described in one group and the intersection point of the fixed beam is parallel to the pressure-resisting plate.
Optionally, further include fixing piece, the two sides of the battery pack are equipped with lifting lug, with by the fixing piece with it is described solid
Determine beam hanging connection.
Optionally, the lifting part is hanging ring, and the hanging ring is fixed on the fixed beam by rivet nut.
Optionally, the fixed beam and/or the attachment beam are hollow frame structures.
The utility model also provides a kind of battery pack, including two above-mentioned extrusion toolings, the two extrusion tooling difference
It is correspondingly connected with the two sides of the battery pack.
Detailed description of the invention
Fig. 1 provides the stereochemical structure of the extrusion tooling of battery pack in a specific embodiment by the utility model and shows
It is intended to；
Fig. 2 is the schematic perspective view that extrusion tooling shown in Fig. 1 and battery pack are in connection status；
Fig. 3 is the partial sectional view that extrusion tooling shown in Fig. 1 and battery pack are in connection status；
Fig. 4 is the relation schematic diagram of extruding force and displacement when carrying out squeeze test using extrusion tooling shown in Fig. 1.
In Fig. 1-Fig. 4:
Fixed beam 1, pressure-resisting plate 2, battery pack 3, lifting part 4, attachment beam 5, jacking block 6, the first floor stringer 7, the second floor stringer
8, fixing piece 9, lifting lug 10.
Specific embodiment
Below in conjunction with attached drawing, specific embodiment of the present utility model is introduced, so as to those skilled in the art's standard
Really understand the technical solution of the utility model.
Direction of extrusion when front and back as described herein carries out squeeze test with battery pack 3 is that reference is defined.It is squeezed
When pressure test, battery pack 3 is squeezed by the rear end of battery pack 3 by extrusion parts, that is to say, that the direction of extrusion corresponds to battery pack 3
Direction from back to front, before the direction in front of the direction of extrusion is, after the direction in direction of extrusion rear is.With battery pack
3 entrucking state be reference, under entrucking state, be directed toward headstock direction be before, be directed toward the tailstock direction be after.Due to squeezing
Direction corresponds to the direction of battery pack 3 from back to front, then the front of the direction of extrusion and the front of battery pack 3 are same direction, squeezes
The rear in direction is corresponding with the rear of battery pack 3.Therefore, the front and back of this paper can the direction of extrusion be referring to being defined,
It can also be that reference is defined with the entrucking state of battery pack 3.
This paper's is laterally with battery pack 3 for referring to definition, when battery pack 3 is in entrucking state, a left side for battery pack 3
Right direction is as lateral, and in left and right side, one corresponds to side as described herein, and another one corresponds to as described herein another
Side.
It is referring to definition that up and down direction as described herein, which is also with the entrucking state of battery pack 3,.To refer under entrucking state
Under direction to the ground is, the direction far from ground is upper.
As described herein first, second equal words are only used for the same or similar more than two components of specification configuration, Huo Zhexiang
Same or similar more than two structures, do not indicate the particular determination to sequence.
This programme is related to a kind of battery pack 3, as stated in the background art, when carrying out squeeze test, in 3 front end of battery pack
An iron block is supported, each side to carry out supporting cooperation by the iron block and squeeze test platform.But by battery pack 3
Structure limitation, the part that iron block only can be generally planar with the left and right sides of 3 front end of battery pack abuts, this leads to iron block
Compression area is too small；And it is larger according to the extruding force of national standard, it is easy to damage battery pack 3 by pressure.Especially, under practical entrucking state,
The compression area of battery pack 3 is greater than the compression area of iron block, and squeeze test is caused to be distorted, cannot true simulated battery packet 3
Entrucking state.
Also, since battery pack 3 is heavier, another mast-up is needed to be hung or hang squeeze test platform for battery pack 3,
Increase the cost and operation difficulty of components.
In view of the above technical problems, the battery pack 3 of this programme, if there are two extrusion tooling, two extrusion toolings respectively with electricity
The two sides of pond packet 3 are correspondingly connected with, on the one hand, can be lifted battery pack 3 by the extrusion tooling of two sides, convenient for battery pack 3
On the other hand transfer can provide the structure of offending and disobeying with rude remarks of 3 squeeze test of battery pack, auxiliary completes the squeeze test of battery pack 3, and
The more truly entrucking state of simulated battery packet 3, improves the authenticity of squeeze test.
As depicted in figs. 1 and 2, this programme is related to a kind of extrusion tooling of battery pack, including fixed beam 1 and pressure-resisting plate 2, Gu
Determine beam 1 and be fixedly connected with the side of battery pack 3 using dismountable mode, pressure-resisting plate 2 is connected to fixed beam 1 and is in the direction of extrusion
The one end in front, the front end face of pressure-resisting plate 2 are configured to the acting surface to fit with squeeze test platform, are mentioned by squeeze test platform
For the reaction force to crush resistance；At this point, what the composition of pressure-resisting plate 2 was fought with the extruding force squeezed battery pack 3
Component, to support support battery pack 3 along the direction opposite with the direction of extrusion, so that battery pack 3 is extruded along the longitudinal direction.Together
When, fixed beam 1 is additionally provided with lifting part 4, is shifted in order to lift battery pack 3.
When carrying out squeeze test, it can be respectively mounted the extrusion tooling of this programme in the two sides of battery pack 3, pass through extrusion tooling
The lifting part 4 that connect with lateralling secure for battery pack 3, and be equipped with by fixed beam 1 of fixed beam 1 by battery pack 3 two sides pair
Battery pack 3 is lifted, and in order to the transfer of battery pack 3, it is not necessary that the mast-up of 3 transfer of battery pack is additionally arranged, is also simplified
Battery pack 3 carries out the step of squeeze test.
Especially, the two sides of battery pack 3 are mounted on the extrusion tooling of this programme, and each extrusion tooling is passing through fixed beam 1
With battery pack 3 it is laterally attached while, also fixed beam 1 front end install pressure-resisting plate 2, pass through pressure-resisting plate 2 carry battery pack 3
Extruding force.It connect, is not also just limited by 3 body structures of battery pack, Ke Yigen with battery pack 3 since pressure-resisting plate 2 is not direct
The factually position of the stress condition setting pressure-resisting plate 2 of battery pack 3 and area under border entrucking state, with more truly simulated battery
Extruding situation of the packet 3 under entrucking state.Meanwhile pressure-resisting plate 2 is connect by fixed beam 1 with battery pack 3, and the side of battery pack 3
To the structure connecting with vehicle body is inherently equipped with, fixed beam 1 can use the structure realization and battery that battery pack 3 is connect with vehicle body
The connection of packet 3, this connection type is actually the practical entrucking mode of battery pack 3, is realized to battery pack 3 in entrucking shape
The real simulation of installation point under state will not influence the result of squeeze test because of the positioning of battery pack 3.In this way, from battery pack 3
Installation and extruding these two aspects ensure the result accuracy of squeeze test.
In addition pressure-resisting plate 2 can be configured according to the true compression situation of battery pack 3, and forced area is truer, no
Meeting briquetting battery pack 3 due to forced area is too small, reduces influence of the squeeze test to battery pack 3.
As shown in Figure 1, the extrusion tooling of this programme further includes attachment beam 5 and jacking block 6, attachment beam 5 is in extruding side with it
One end forwards is connect with pressure-resisting plate 2, and one end in direction of extrusion rear is connect with jacking block 6, i.e., attachment beam 5 is substantially preceding
Upper afterwards to extend, its rear end connects jacking block 6, and front end is connected with pressure-resisting plate 2.At this point, the front end face of 6 face battery pack 3 of jacking block is arranged,
Since fixed beam 1 is connected to the lateral of battery pack 3, pressure-resisting plate 2 is also at corresponding with the left or right side of 3 front end of battery pack
Position, so that jacking block 6 is positioned at position corresponding with the left or right side of 3 front end of battery pack, so as to the left side to battery pack 3
Front end face or right front ends face are offended and disobey with rude remarks, i.e., front end face of the jacking block 6 along the direction opposite with the direction of extrusion and battery pack 3, which is supported, matches
It closes, extruding situation of the simulated battery packet 3 under entrucking state.
As shown in Fig. 2, the left and right sides of battery pack 3 is main lifting point, for bearing battery pack 3 under entrucking state
In extruding force in the front-back direction.Therefore, by extrusion tooling be connected to battery pack 3 laterally being capable of more true simulated battery packet
The 3 extruding situation under entrucking state.
The extrusion tooling of this programme can also include the first floor stringer 7 that opposing compression direction is obliquely installed, the first auxiliary
The rear and front end of beam 7 is connect with pressure-resisting plate 2 and attachment beam 5 respectively, wherein and the front end of the first floor stringer 7 is connect with pressure-resisting plate 2,
Rear end is connect with attachment beam 5；Also, the two sides of attachment beam 5 are supported by least one first floor stringer 7, and the of two sides respectively
One floor stringer 7 tilts in the opposite direction.
In the embodiment shown in figure 2, by taking the left and right sides of attachment beam 5 is equipped with first floor stringer 7 as an example into
Row explanation.Wherein, the first floor stringer 7 in outside slopes inwardly from front to back, so that its rear end is arranged close to attachment beam 5,
Its rear end is set to form the inner end that can connect with the outside of attachment beam 5；The first floor stringer 7 in inside leans outward from front to back
Tiltedly, so that its rear end is arranged close to attachment beam 5, its rear end forms outer end, connects with the inside of attachment beam 5.In this way, in connection
First floor stringer 7 of 5 two sides of beam generally comprises triangular structure with pressure-resisting plate 2, and this structure type is relatively stable, can be improved
To the support reliability of attachment beam 5, effectively to be supported by attachment beam 5 to jacking block 6, and then battery is supported by jacking block 6
Packet 3, is fought with extruding force.
Described herein is inside and outside using the center of battery pack 3 as reference, in the lateral direction, close to the center of battery pack 3
Direction be it is interior, the direction at center far from battery pack 3 is outer.
If being reference with pressure-resisting plate 2, the intersection point of the first floor stringer 7 and the attachment beam 5 in 5 left side of attachment beam, with
The line of the first floor stringer 7 and the intersection point of the attachment beam 5 in right side, can be parallel to pressure-resisting plate 2 and be arranged, i.e., and one group first
The line of the intersection point of floor stringer 7 and attachment beam 5 is parallel to pressure-resisting plate 2.At this point, in 5 two sides of attachment beam the two first
Floor stringer 7 forms one group.In this way, attachment beam 5 when extruding force is passed to its tie point with pressure-resisting plate 2 by itself, is gone back
Extruding force can be balancedly transmitted to the two sides of pressure-resisting plate 2 by the first floor stringer 7 of two sides, to improve extruding force entire
Balance of distribution on pressure-resisting plate 2 avoids the occurrence of local stress undue concentration and battery pack 3 or pressure-resisting plate 2 is caused to be crushed.
Those skilled in the art also can according to need setting two groups or the first floor stringer of multiple groups 7, and each group first assists
It in beam 7, can be parallel to each other in the first ipsilateral floor stringer 7, also, in ipsilateral the first floor stringer 7 and pressure-resisting plate 2
Tie point can arranged for interval in left and right directions, specifically may be on same straight line.Alternatively, the first floor stringer 7 can be about
Attachment beam 5 is disposed with left-right symmetry.
Similarly, the extrusion tooling of this programme can also include the second floor stringer 8 for being obliquely installed of opposing compression direction, and second
The rear and front end of floor stringer 8 is connect with pressure-resisting plate 2 and fixed beam 1 respectively, the two sides of fixed beam 1 be supported by respectively at least one
Two floor stringers 8, and the second floor stringer 8 of two sides tilts in the opposite direction.
Second floor stringer 8 is referred to the first floor stringer 7 and is configured, and details are not described herein again.For example, being in the one of side
A second floor stringer 8 may be constructed one group of second floor stringer 8 with another second floor stringer 8 in opposite side, and one group second auxiliary
It helps in beam 8, the intersection point of one of them the second floor stringer 8 and fixed beam 1, the friendship with another the second floor stringer 8 and the fixed beam 1
The line of point can be parallel to pressure-resisting plate 2 and be arranged, i.e. the line of one group of second floor stringer 8 and the intersection point of fixed beam 1 is parallel to anti-
Pressing plate 2.
In addition, the first floor stringer 7 and the second floor stringer 8 in the same side can be parallel to each other.Meanwhile first floor stringer
7 may be at the underface of the second floor stringer 8, i.e. the second floor stringer 8 can be arranged correspondingly with the first floor stringer 7.
As shown in figure 3, the extrusion tooling of this programme further includes fixing piece 9, it is equipped with lifting lug 10 in the two sides of battery pack 3,
Extrusion tooling and the lifting lug 10 of its installed side can be connected by the fixing piece 9 and the hanging of fixed beam 1.The two of battery pack 3
When side passes through fixing piece 9 and is connected with an extrusion tooling, it can be hung on the fixed beam 1 of the extrusion tooling of two sides, passed through
Fixed beam 1 is carried, and realizes the transfer of battery pack 3.
The fixing piece 9 is specifically as follows fixing bolt, which can sequentially add the company of lifting lug 10 from the bottom to top
The connecting hole in hole and fixed beam 1 is connect, is then fastened again by nut and fixed beam 1, realizes the connection of fixed beam 1 and lifting lug 10,
As shown in Figure 3.
Also, fixed beam 1 and attachment beam 5 can use hollow frame structure, and to reduce the self weight of extrusion tooling, raising makes
Use convenience.Similarly, the first floor stringer 7 and the second floor stringer 8 can also use hollow frame structure.So-called hollow frame structure
It can be, section is the structure type of hollow, as the structure of the hollow constitutes a frame, therefore referred to as hollow frame knot
Structure.Certainly, the form in section is not limited to hollow, can also be other forms, as long as hollow frame, the present embodiment
Only it is illustrated by taking hollow as an example.
Furthermore lifting part 4 specifically can be hanging ring, and hanging ring can be fixed on fixed beam 1 by rivet nut, such as Fig. 3 institute
Show.Meanwhile as depicted in figs. 1 and 2, two or more lifting parts 4 can be positioned apart from front and back in fixed beam 1, wherein one
A lifting part 4 can may be at close to the position of the rear end of fixed beam 1, another lifting part 4 fixed beam 1 by front end
Position.To improve fixed beam 1 to the lifting stability of battery pack 3, fixed beam 1 can extend along the front-rear direction of battery pack 3, have
Body can extend to the rear portion of battery pack 3 from front to back, but without departing from the rear end face of battery pack 3, make to avoid pressing piece is influenced
For battery pack 3.
When carrying out squeeze test, squeeze test platform can substantially L-shaped setting, there is vertical plate and plate, can be on plate
Trolley is placed, to carry battery pack 3, vertical plate constitutes the receiving plate of extruding force, and the pressure-resisting plate 2 of extrusion tooling can fit in this
Vertical plate.When battery pack 3 is placed in squeeze test platform, a pressing piece, the pressing piece can be arranged by the direction opposite with vertical plate
It is specifically as follows cylinder, squeezes battery pack 3 from back to front towards the direction of vertical plate, so that battery pack 3 is in vertical plate and pressing piece
Between be extruded.
As shown in figure 4, the structure type that the present invention uses fixed beam 1, lifting part 4 and pressure-resisting plate 2 to be combined, by solid
Determine part 9 and battery pack 3 is fixed on extrusion tooling, can be also used for lifting battery pack 3 while realizing squeeze test, there is knot
The features such as structure is simple, easy for installation, structural strength is big largely reduces extrusion tooling to the anti-extrusion journey of battery pack 3
The influence of degree.In the test data that Fig. 4 is provided as can be seen that after being extruded 100KN, the displacement of battery pack 3 is 25mm, no
Water-cooled plate and battery modules can be expressed to, squeeze test can be passed through.
Battery pack provided to the utility model and its extrusion tooling are described in detail above.Tool used herein
Body example is expounded the principles of the present invention and embodiment, and the above embodiments are only used to help understand
The core concept of the utility model.It is practical not departing from it should be pointed out that for those skilled in the art
Under the premise of new principle, several improvements and modifications can be made to this utility model, these improvement and modification also fall into this
In the protection scope of utility model claims.
Claims (10)
1. a kind of extrusion tooling of battery pack, which is characterized in that including fixed beam (1) and pressure-resisting plate (2), the fixed beam (1)
It is fixedly connected with the side of battery pack (3) using dismountable mode, the pressure-resisting plate (2) is connected at the fixed beam (1)
One end in front of the direction of extrusion, the fixed beam (1) are additionally provided with lifting part (4).
2. the extrusion tooling of battery pack as described in claim 1, which is characterized in that it further include attachment beam (5) and jacking block (6),
One end that the attachment beam (5) is in front of the direction of extrusion with it is connect with the pressure-resisting plate (2), in direction of extrusion rear
One end is connect with the jacking block (6), front end of the jacking block (6) along the direction opposite with the direction of extrusion and the battery pack (3)
Support cooperation in face.
3. the extrusion tooling of battery pack as claimed in claim 2, which is characterized in that further include that opposing compression direction is obliquely installed
The first floor stringer (7), the rear and front end of first floor stringer (7) respectively with the pressure-resisting plate (2) and the attachment beam (5)
Connection, the two sides of the attachment beam (5) are supported by least one described first floor stringer (7), and described the first of two sides respectively
Floor stringer (7) tilts in the opposite direction.
4. the extrusion tooling of battery pack as claimed in claim 3, which is characterized in that further include that opposing compression direction is obliquely installed
The second floor stringer (8), the rear and front end of second floor stringer (8) respectively with the pressure-resisting plate (2) and the fixed beam (1)
Connection, the two sides of the fixed beam (1) are supported by least one described second floor stringer (8), and described the second of two sides respectively
Floor stringer (8) tilts in the opposite direction.
5. the extrusion tooling of battery pack as claimed in claim 4, which is characterized in that first floor stringer in the same side
(7) it is parallel to each other with second floor stringer (8).
6. the extrusion tooling of battery pack as claimed in claim 4, which is characterized in that first auxiliary in side
Beam (7) is one group with another described first floor stringer (7) in opposite side, the first floor stringer (7) described in one group and the company
The line for connecing the intersection point of beam (5) is parallel to the pressure-resisting plate (2)；
And/or second floor stringer (8) in side be in opposite side another described second floor stringer (8)
It is one group, the line of the intersection point of the second floor stringer (8) described in one group and the fixed beam (1) is parallel to the pressure-resisting plate (2).
7. such as the extrusion tooling of the described in any item battery packs of claim 2-6, which is characterized in that further include fixing piece (9), institute
The two sides for stating battery pack (3) are equipped with lifting lug (10), to be connected by the fixing piece (9) and the fixed beam (1) hanging.
8. the extrusion tooling of battery pack as claimed in claim 7, which is characterized in that the lifting part (4) is hanging ring, described to hang
Ring is fixed on the fixed beam (1) by rivet nut.
9. the extrusion tooling of battery pack as claimed in claim 7, which is characterized in that the fixed beam (1) and/or the connection
Beam (5) is hollow frame structure.
10. a kind of battery pack, which is characterized in that including two described in any item extrusion toolings of the claims 1-9, two institutes
Two sides of the extrusion tooling respectively with the battery pack (3) are stated to be correspondingly connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820769407.4U CN208313570U (en) | 2018-05-22 | 2018-05-22 | Battery pack and its extrusion tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820769407.4U CN208313570U (en) | 2018-05-22 | 2018-05-22 | Battery pack and its extrusion tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208313570U true CN208313570U (en) | 2019-01-01 |
Family
ID=64715936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820769407.4U Active CN208313570U (en) | 2018-05-22 | 2018-05-22 | Battery pack and its extrusion tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208313570U (en) |
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2018
- 2018-05-22 CN CN201820769407.4U patent/CN208313570U/en active Active
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Effective date of registration: 20200928 Address after: 201805 room 1703, No. 888, South Moyu Road, Anting Town, Jiading District, Shanghai Patentee after: NEUSOFT REACH AUTOMOTIVE TECHNOLOGY (SHANGHAI) Co.,Ltd. Address before: Hunnan rookie street Shenyang city Liaoning province 110179 No. 2 Patentee before: NEUSOFT Corp. Patentee before: NEUSOFT REACH AUTOMOTIVE TECHNOLOGY (SHANGHAI) Co.,Ltd. |