CN217562695U - New energy automobile platform box frame - Google Patents
New energy automobile platform box frame Download PDFInfo
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- CN217562695U CN217562695U CN202123431876.6U CN202123431876U CN217562695U CN 217562695 U CN217562695 U CN 217562695U CN 202123431876 U CN202123431876 U CN 202123431876U CN 217562695 U CN217562695 U CN 217562695U
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Abstract
The utility model discloses a new energy automobile platform box frame, include: the box body frame is provided with an accommodating space; the cross beam is arranged in the accommodating space along the transverse direction of the box body frame, and the installation position of the cross beam can be adjusted along the longitudinal direction of the box body frame; the longitudinal beam is arranged in the accommodating space along the longitudinal direction of the box body frame, the longitudinal beam and the transverse beam are arranged vertically and horizontally, the longitudinal beam can transversely adjust the mounting position along the transverse direction of the box body frame, and the box body frame, the transverse beam and the longitudinal beam divide the accommodating space into a plurality of mounting spaces for mounting battery components. The mounting position of the cross beam is adjusted along the longitudinal direction of the box body frame, and the mounting position of the longitudinal beam is adjusted along the transverse direction of the box body frame, so that the purpose of adjusting the size of the mounting space is achieved, and the phenomenon that the box body is redesigned due to the change of the electric quantity of the box body frame can be avoided.
Description
Technical Field
The utility model relates to a new energy automobile platform box technical field especially relates to a new energy automobile platform box frame.
Background
With the development of the new energy automobile market and the continuous maturity of the new energy automobile technology, the requirements of the terminal market on automobile types with different mileage become severer. The combined action of factors such as market demand and production cost enables the vehicle enterprises to start to release own new energy vehicle platform projects. The battery pack is flattised, namely the outer envelope of the battery box body is kept unchanged, and battery assemblies with different electric quantity capacities can be placed in the same space, so that the flexible design requirement is provided for the internal frame structure of the box body.
New energy automobile battery package platform ization design can standardize box core spare part, not only can reduce the battery package cost, can also increase the supply chain of enterprise and select. The box body platform has been promoted by a plurality of vehicle enterprises, such as an MEB platform of the public, a PMA platform of the benefit, and the like. The existing new energy battery box frame is formed by splicing a box beam and a beam connecting piece together, so that the internal space of the box is divided into a plurality of areas, and subsequent battery components are mounted conveniently. The disadvantage of this connection method is that the internal space of the box body is completely solidified, so that the structures of the internal and external boundary beams need to be redesigned due to the change of the electric quantity of the external and internal boundary beams of the box body frame, and the same parts are difficult to use in the platform project. In addition, after the platformization frame structure is fixed, the position adjustment is difficult to perform, and the installation of different electric quantity modules cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a new energy automobile platform box frame can box frame internally mounted space's size.
According to the utility model discloses a new energy automobile platformization box frame, include:
the box body frame is provided with an accommodating space;
the cross beam is arranged in the accommodating space along the transverse direction of the box body frame, and the installation position of the cross beam can be adjusted along the longitudinal direction of the box body frame;
the longitudinal beam is arranged in the accommodating space along the longitudinal direction of the box body frame, the longitudinal beam and the transverse beam are arranged vertically and horizontally, the longitudinal beam can transversely adjust the mounting position along the transverse direction of the box body frame, and the box body frame, the transverse beam and the longitudinal beam divide the accommodating space into a plurality of mounting spaces for mounting battery components.
According to the utility model discloses new energy automobile platform box frame has following beneficial effect at least: the mounting position of the cross beam is adjusted along the longitudinal direction of the box body frame, and the mounting position of the longitudinal beam is adjusted along the transverse direction of the box body frame, so that the purpose of adjusting the size of the mounting space is achieved, and the situation that the box body structure is redesigned due to the change of the electric quantity of the box body frame can be avoided. Meanwhile, the problem that the number of parts of the platform box body is too large is solved, so that the cost of the box body is reduced to a certain extent.
According to the utility model discloses a some embodiments, box frame's horizontal both sides are equipped with first installation position, first installation position is followed box frame's longitudinal extension sets up, the both ends of crossbeam are installed through first installed part correspondence respectively in the first installation position, and can follow installation position is adjusted to first installation position.
According to some embodiments of the invention, the first mounting member comprises a first connecting piece, a first fastening component and a second fastening component, the first connecting piece is provided with a first connecting portion and a second connecting portion, the first connecting portion passes through the first fastening component with the first mounting location is connected, the second connecting portion passes through the second fastening component with the end connection of the crossbeam.
According to the utility model discloses a some embodiments, first installation position is equipped with first installation slotted hole, first installation slotted hole is followed box frame's longitudinal extension sets up, be equipped with first connecting hole on the first connecting portion, first fastening components includes first T type bolt and first lock nut, the bolt head of first T type bolt can clamp in the first installation slotted hole, the screw rod of first T type bolt passes first connecting hole is locked through first lock nut and is fixed.
According to the utility model discloses a some embodiments, tip one side of crossbeam is equipped with second installation slotted hole, be equipped with the second connecting hole on the second connecting portion, second fastening components includes second T type bolt and second lock nut, the bolt head of second T type bolt can clamp in the second installation slotted hole, the screw rod of second T type bolt passes the second connecting hole is fixed through second lock nut locking.
According to the utility model discloses a some embodiments, the both ends of longeron respectively with box frame or the crossbeam is connected, the longeron with box frame the hookup location that the crossbeam corresponds is equipped with second installation position, second installation position is followed box frame's horizontal extension sets up, the both ends of longeron are installed through second installed part correspondence respectively in the second installation position, and can follow the installation position is adjusted to second installation position.
According to some embodiments of the invention, the second installed part includes second connection piece, third fastening subassembly and fourth fastening subassembly, the second connection piece is equipped with third connecting portion and fourth connecting portion, the third connecting portion pass through third fastening subassembly with the second installation position is connected, the fourth connecting portion pass through fourth fastening subassembly with the end connection of longeron.
According to the utility model discloses a some embodiments, the second installation position is equipped with the third installation slotted hole, the third installation slotted hole is followed box frame's horizontal extension sets up, be equipped with the third connecting hole on the third connecting portion, third fastening components includes third T type bolt and third lock nut, the bolt head of third T type bolt can clamp in the third installation slotted hole, the screw rod of third T type bolt passes the third connecting hole is fixed through third lock nut locking.
According to the utility model discloses a some embodiments, tip one side of longeron is equipped with the fourth installation slotted hole, be equipped with the fourth connecting hole on the fourth connecting portion, fourth fastening components includes fourth T type bolt and fourth lock nut, the bolt head of fourth T type bolt can clamp in the fourth installation slotted hole, the screw rod of fourth T type bolt passes the fourth connecting hole is fixed through fourth lock nut locking.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic perspective view of a platform box frame of a new energy automobile according to an embodiment of the present invention;
fig. 2 is a schematic plane structure diagram of a new energy automobile platform box frame according to an embodiment of the present invention;
FIG. 3 is an enlarged view of the portion A in FIG. 1;
FIG. 4 is a schematic view of the first mounting member;
FIG. 5 is an enlarged view of the portion B in FIG. 1;
fig. 6 is a structural view of the second mounting member.
Reference numerals are as follows:
100. a case frame; 110. a first mounting location; 111. a first mounting slot; 120. a second mounting location; 121. a third mounting slot;
200. a cross beam; 210. a second mounting slot;
300. a stringer; 310. a fourth mounting slot;
400. an installation space;
500. a first mounting member; 510. a first connecting piece; 511. a first connection portion; 512. a second connecting portion; 520. a first fastening component; 521. a first T-bolt; 522. a first lock nut; 530. a second fastening component; 531. a second T-bolt; 532. a second lock nut;
600. a second mounting member; 610. a second connecting sheet; 611. a third connecting portion; 612. a fourth connecting portion; 620. a third fastening component; 621. a third T-bolt; 622. a third lock nut; 630. a fourth fastening component; 631. a fourth T-bolt; 632. and a fourth lock nut.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of meanings are one or more, a plurality of meanings are two or more, and the terms greater than, smaller than, exceeding, etc. are understood as excluding the number, and the terms greater than, lower than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
As shown in fig. 1 and fig. 2, according to the utility model discloses new energy automobile platform box frame includes:
the box body frame 100, the box body frame 100 has accommodating spaces;
at least one cross beam 200, the cross beam 200 is arranged in the accommodating space along the transverse direction of the box body frame, and the installation position of the cross beam 200 can be adjusted along the longitudinal direction of the box body frame 100;
the longitudinal beam 300 is arranged in the accommodating space along the longitudinal direction of the box body frame, the longitudinal beam 300 and the transverse beam 200 are arranged vertically and horizontally, the mounting position of the longitudinal beam 300 can be adjusted along the transverse direction of the box body frame 100, and the accommodating space is divided into a plurality of mounting spaces 400 by the box body frame 100, the transverse beam 200 and the longitudinal beam 300 and used for mounting battery components. The battery pack comprises a battery module or a battery core and the like.
The purpose of adjusting the size of the installation space 400 is achieved by adjusting the installation position of the cross beam 200 in the longitudinal direction of the tank frame 100 and the installation position of the longitudinal beam 300 in the transverse direction of the tank frame 100, and redesigning the structure of the tank due to the change of the electric quantity of the tank frame 100 can be avoided. Meanwhile, the problem of excessive parts of the platform box body is solved, so that the cost of the box body is reduced to a certain extent.
As shown in fig. 3, in some embodiments of the present invention, the first mounting positions 110 are disposed on two lateral sides of the box frame 100, the first mounting positions 110 are disposed along the longitudinal extension of the box frame 100, two ends of the cross beam 200 are correspondingly mounted in the first mounting positions 110 through the first mounting members 500, respectively, and the mounting positions can be adjusted along the first mounting positions 110.
In this embodiment, when the installation position of the cross member 200 is adjusted in the longitudinal direction of the tank frame 100, since the first installation site 110 is extended in the longitudinal direction of the tank frame 100, the installation position of the cross member 200 can be adjusted in the longitudinal direction of the tank frame 100 by adjusting the installation positions of both ends of the cross member 200 and the first installation site 110.
In some embodiments of the present invention, the first mounting member 500 includes a first connecting piece 510, a first fastening assembly 520 and a second fastening assembly 530, the first connecting piece 510 is provided with a first connecting portion 511 and a second connecting portion 512, the first connecting portion 511 is connected with the first mounting position 110 through the first fastening assembly 520, and the second connecting portion 512 is connected with the end of the beam 200 through the second fastening assembly 530.
As shown in fig. 3 and 4, in the present embodiment, when the cross beam 200 is fixedly installed, the first connection portion 511 is connected to the first installation site 110 through the first fastening assembly 520, and the second connection portion 512 is connected to the end of the cross beam 200 through the second fastening assembly 530. Both ends of the cross member 200 are mounted on the corresponding first mounting locations 110.
In some embodiments of the present invention, the first mounting position 110 is provided with a first mounting slot 111, the first mounting slot 111 is disposed along the longitudinal extension of the box frame 100, the first connecting portion 511 is provided with a first connecting hole, the first fastening assembly 520 includes a first T-shaped bolt 521 and a first lock nut 522, the bolt head of the first T-shaped bolt 521 can be clamped in the first mounting slot 111, and the screw of the first T-shaped bolt 521 passes through the first connecting hole and is locked and fixed by the first lock nut 522.
In this embodiment, by providing the first installation slot 111 in the first installation position 110, when the cross beam 200 is fixedly connected to the first installation slot 111, the bolt head of the first T-shaped bolt 521 firstly extends into the first installation slot 111 in a horizontal state, and then rotates 90 ° to a vertical state, so that the bolt head of the first T-shaped bolt 521 is clamped in the first installation slot 111, and then the screw rod of the first T-shaped bolt 521 passes through the first connection hole and is locked and fixed by the first locking nut 522.
The installation position of the cross member 200 can be adjusted in the longitudinal direction of the cabinet frame 100 by adjusting the installation position along the first installation slot 111. In other embodiments, a row of mounting threaded holes may be formed along the longitudinal extension of the tank frame 100, and the first fastening assembly 520 may be connected to mounting threaded holes at different positions, and the mounting position of the cross beam 200 may be adjusted along the longitudinal extension of the tank frame 100.
In some embodiments of the present invention, one side of the end of the beam 200 is provided with a second mounting slot 210, a second connecting hole is provided on the second connecting portion 512, the second fastening assembly 530 includes a second T-shaped bolt 531 and a second locking nut 532, the bolt head of the second T-shaped bolt 531 can be clamped in the second mounting slot 210, and the screw rod of the second T-shaped bolt 531 passes through the second connecting hole and is locked and fixed by the second locking nut 532.
Similarly, by providing the second mounting slot 210 at one side of the end of the cross beam 200, when the second fastening assembly 530 is connected to the end of the cross beam 200, the bolt head of the second T-shaped bolt 531 first extends into the second mounting slot 210 in a horizontal state, and then rotates 90 ° to a vertical state, so that the bolt head of the second T-shaped bolt 531 is clamped in the second mounting slot 210, and then the screw rod of the second T-shaped bolt 531 passes through the first connecting hole and is locked and fixed by the second T-shaped bolt 531.
In some embodiments of the present invention, the two ends of the longitudinal beam 300 are respectively connected to the box frame 100 or the cross beam 200, the connecting position of the longitudinal beam 300 corresponding to the box frame 100 or the cross beam 200 is provided with the second mounting position 120, the second mounting position 120 is disposed along the transverse extension of the box frame 100, the two ends of the longitudinal beam 300 are respectively installed in the second mounting position 120 through the second mounting member 600, and the mounting position can be adjusted along the second mounting position 120.
In the present embodiment, both ends of the longitudinal beams 300 need to be connected to the box frame 100 or the lateral beams 200 depending on the number of the arranged lateral beams 200. When there is only one cross member 200, one end of the longitudinal member 300 is connected to the tank frame 100 and the other end is connected to the cross member 200. When the number of the cross members 200 is more than one, both ends of the longitudinal member 300 disposed between the two cross members are connected to the cross members 200.
In the present embodiment, when the installation position of the longitudinal beam 300 is adjusted in the lateral direction of the box frame 100, the installation positions of both ends of the longitudinal beam 300 and the second installation site 120 are adjusted.
In some embodiments of the present invention, the second mounting member 600 includes a second connecting piece 610, a third fastening assembly 620 and a fourth fastening assembly 630, the second connecting piece 610 is provided with a third connecting portion 611 and a fourth connecting portion 612, the third connecting portion 611 is connected with the second mounting portion 120 through the third fastening assembly 620, and the fourth connecting portion 612 is connected with the end of the longitudinal beam 300 through the fourth fastening assembly 630.
As shown in fig. 5 and fig. 6, in the present embodiment, when the longitudinal beam 300 is fixedly installed, the third connecting portion 611 is connected to the second installation site 120 through the third fastening assembly 620, and the fourth connecting portion 612 is connected to the end of the longitudinal beam 300 through the fourth fastening assembly 630. And correspondingly installing two ends of the longitudinal beam 300 on the second installation positions 120.
In some embodiments of the present invention, the second mounting position 120 is provided with a third mounting slot 121, the third mounting slot 121 is disposed along the lateral extension of the box frame 100, a third connecting hole is disposed on the third connecting portion 611, the third fastening assembly 620 includes a third T-shaped bolt 621 and a third locking nut 622, the bolt head of the third T-shaped bolt 621 can be clamped in the third mounting slot 121, and the screw rod of the third T-shaped bolt 621 passes through the third connecting hole and is locked and fixed by the third locking nut 622.
In this embodiment, by providing the third mounting slot 121 in the second mounting position 120, when the longitudinal beam 300 is fixedly mounted in the third mounting slot 121, the bolt head of the third T-shaped bolt 621 firstly extends into the third mounting slot 121 in a horizontal state, and then rotates by 90 ° to a vertical state, so that the bolt head of the third T-shaped bolt 621 is clamped in the third mounting slot 121, and then the screw rod of the third T-shaped bolt 621 passes through the third connecting hole and is locked and fixed by the third lock nut 622.
By adjusting the installation position along the third installation slot 121, the installation position of the longitudinal beam 300 can be adjusted along the longitudinal direction of the box body frame 100. In other embodiments, the third fastening assembly 620 can be connected to the mounting threaded holes at different positions by providing the mounting threaded holes arranged in series at the second mounting position 120, and the mounting position of the longitudinal beam 300 can be adjusted along the transverse direction of the box body frame 100.
In some embodiments of the present invention, the end portion of the longitudinal beam 300 is provided with a fourth mounting slot 310, a fourth connecting hole is provided on the fourth connecting portion 612, the fourth fastening assembly 630 includes a fourth T-shaped bolt 631 and a fourth lock nut 632, the bolt head of the fourth T-shaped bolt 631 can be clamped in the fourth mounting slot 310, and the screw rod of the fourth T-shaped bolt 631 passes through the fourth connecting hole and is locked and fixed by the fourth lock nut 632.
Similarly, by providing the fourth mounting slot 310 at one side of the end of the longitudinal beam 300, when the fourth fastening assembly 630 is connected to the end of the longitudinal beam 300, the bolt head of the fourth T-shaped bolt 631 firstly extends into the fourth mounting slot 310 in a horizontal state, and then rotates 90 ° to a vertical state, so that the bolt head of the fourth T-shaped bolt 631 is clamped in the fourth mounting slot 310, and then the screw of the fourth T-shaped bolt 631 passes through the fourth connecting hole and is locked and fixed by the fourth locking nut 632.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. The utility model provides a new energy automobile platformization box frame which characterized in that includes:
the box body frame is provided with an accommodating space;
the cross beam is arranged in the accommodating space along the transverse direction of the box body frame, and the installation position of the cross beam can be adjusted along the longitudinal direction of the box body frame;
the longitudinal beam is arranged in the accommodating space along the longitudinal direction of the box body frame, the longitudinal beam and the transverse beam are arranged vertically and horizontally, the longitudinal beam can transversely adjust the installation position of the box body frame, and the box body frame, the transverse beam and the longitudinal beam divide the accommodating space into a plurality of installation spaces for installing battery components.
2. The new energy automobile platformization box frame of claim 1, characterized in that: the horizontal both sides of box frame are equipped with first installation position, first installation position is followed box frame's longitudinal extension sets up, the both ends of crossbeam are respectively through first installed part correspondence install in the first installation position, and can follow the installation position is adjusted to first installation position.
3. The new energy automobile platformization box frame of claim 2, characterized in that: the first mounting part comprises a first connecting piece, a first fastening component and a second fastening component, the first connecting piece is provided with a first connecting portion and a second connecting portion, the first connecting portion is connected with the first mounting position through the first fastening component, and the second connecting portion is connected with the end portion of the cross beam through the second fastening component.
4. The new energy automobile platformized box frame of claim 3, characterized in that: the first mounting position is provided with a first mounting slot, the first mounting slot is arranged along the longitudinal extension of the box body frame, a first connecting hole is formed in the first connecting portion, the first fastening assembly comprises a first T-shaped bolt and a first locking nut, a bolt head of the first T-shaped bolt can be clamped in the first mounting slot, and a screw rod of the first T-shaped bolt penetrates through the first connecting hole and is locked and fixed through the first locking nut.
5. The new energy automobile platformized box frame of claim 3, characterized in that: the transverse beam is characterized in that a second mounting groove hole is formed in one side of the end portion of the transverse beam, a second connecting hole is formed in the second connecting portion, the second fastening assembly comprises a second T-shaped bolt and a second locking nut, the bolt head of the second T-shaped bolt can be clamped in the second mounting groove hole, and the screw rod of the second T-shaped bolt penetrates through the second connecting hole and is locked and fixed through the second locking nut.
6. The new energy automobile platformized box frame of claim 1, characterized in that: the two ends of the longitudinal beam are respectively connected with the box body frame or the cross beam, a second installation position is arranged at the connection position of the longitudinal beam corresponding to the box body frame and the cross beam, the second installation position is arranged along the transverse extension of the box body frame, the two ends of the longitudinal beam are respectively correspondingly installed in the second installation position through a second installation part, and the installation position can be adjusted through the second installation position.
7. The new energy automobile platformized box frame of claim 6, characterized in that: the second mounting part comprises a second connecting piece, a third fastening assembly and a fourth fastening assembly, the second connecting piece is provided with a third connecting portion and a fourth connecting portion, the third connecting portion passes through the third fastening assembly and is connected with the second mounting position, and the fourth connecting portion passes through the fourth fastening assembly and is connected with the end portion of the longitudinal beam.
8. The new energy automobile platformized box frame of claim 7, characterized in that: the second mounting position is provided with a third mounting groove hole, the third mounting groove hole is arranged along the transverse extension of the box body frame, a third connecting hole is formed in the third connecting portion, the third fastening assembly comprises a third T-shaped bolt and a third locking nut, a bolt head of the third T-shaped bolt can be clamped in the third mounting groove hole, and a screw rod of the third T-shaped bolt penetrates through the third connecting hole and is locked and fixed through the third locking nut.
9. The new energy automobile platformization box frame of claim 7, characterized in that: the longitudinal beam is characterized in that a fourth mounting groove hole is formed in one side of the end portion of the longitudinal beam, a fourth connecting hole is formed in the fourth connecting portion, the fourth fastening assembly comprises a fourth T-shaped bolt and a fourth locking nut, the bolt head of the fourth T-shaped bolt can be clamped in the fourth mounting groove hole, and the screw rod of the fourth T-shaped bolt penetrates through the fourth connecting hole and is locked and fixed through the fourth locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123431876.6U CN217562695U (en) | 2021-12-30 | 2021-12-30 | New energy automobile platform box frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123431876.6U CN217562695U (en) | 2021-12-30 | 2021-12-30 | New energy automobile platform box frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217562695U true CN217562695U (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123431876.6U Active CN217562695U (en) | 2021-12-30 | 2021-12-30 | New energy automobile platform box frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217562695U (en) |
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2021
- 2021-12-30 CN CN202123431876.6U patent/CN217562695U/en active Active
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