CN112441129A - Preceding floor assembly of vehicle and have its vehicle - Google Patents
Preceding floor assembly of vehicle and have its vehicle Download PDFInfo
- Publication number
- CN112441129A CN112441129A CN201910816752.8A CN201910816752A CN112441129A CN 112441129 A CN112441129 A CN 112441129A CN 201910816752 A CN201910816752 A CN 201910816752A CN 112441129 A CN112441129 A CN 112441129A
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- front floor
- panel
- floor panel
- vehicle
- fixed
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 58
- 230000002787 reinforcement Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a vehicle front floor assembly and a vehicle with the same. The vehicle front floor assembly includes: the side sill comprises a side sill inner plate, a front floor panel and a front wall lower beam, wherein the side sill inner plate is arranged at the lateral outer end of the front floor panel, the side sill inner plate is fixed with the front floor panel, and the front wall lower beam is arranged at the front end of the front floor panel; the side outer end of the reinforcing plate is fixed with the inner plate of the threshold boundary beam, the side inner end and/or the rear end of the reinforcing plate is fixed with the front floor panel, and the front end of the reinforcing plate is fixed with the lower cross beam of the front wall panel. According to the vehicle front floor assembly, the reinforcing plate is additionally arranged, and the reinforcing plate is fixed with the threshold side beam inner plate, the front floor panel and the front wall panel lower cross beam, so that the reinforcing plate, the threshold side beam inner plate, the front floor panel and the front wall panel lower cross beam form a frame-like structure, the side impact force transmission path of the vehicle front floor assembly is improved, the integral rigidity of a vehicle body is increased, and the side impact safety performance of the vehicle is improved.
Description
Technical Field
The invention relates to the field of automobiles, in particular to a vehicle front floor assembly and a vehicle with the same.
Background
The existing front floor structure is formed by welding a front floor panel and a threshold boundary beam inner panel, when a vehicle is subjected to side impact, stress is transferred to the interior of the front floor panel by the threshold boundary beam inner panel, and the threshold boundary beam inner panel and the front floor panel are poor in force transfer path, so that the front floor panel is easy to deform greatly, the intrusion amount of the vehicle body is too large, and the internal space of the vehicle body is not favorably ensured.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the prior art. Therefore, the invention provides a vehicle front floor assembly which is beneficial to reducing the side impact invasion amount of a vehicle body.
The invention also provides a vehicle with the vehicle front floor assembly.
The vehicle front floor assembly according to an embodiment of the present invention includes: the side sill comprises a side sill inner plate, a front floor panel and a front wall lower beam, wherein the side sill inner plate is arranged at the lateral outer end of the front floor panel, the side sill inner plate is fixed with the front floor panel, and the front wall lower beam is arranged at the front end of the front floor panel; the side outer end of the reinforcing plate is fixed with the inner plate of the threshold boundary beam, the side inner end and/or the rear end of the reinforcing plate is fixed with the front floor panel, and the front end of the reinforcing plate is fixed with the lower cross beam of the front wall panel.
According to the vehicle front floor assembly provided by the embodiment of the invention, the reinforcing plate is additionally arranged and is fixed with the sill edge beam inner plate, the front floor panel and the front wall panel lower cross beam, so that the reinforcing plate, the sill edge beam inner plate, the front floor panel and the front wall panel lower cross beam form a frame-like structure, the side impact force transmission path of the vehicle front floor assembly is improved, the integral strength and rigidity of a vehicle body are increased, and the side impact safety performance of the vehicle is obviously improved.
According to some embodiments of the invention, the fixing position of the stiffener to the rocker inner panel is located above the fixing position of the rocker inner panel to the front floor panel.
According to some embodiments of the invention, the reinforcement panel is an arc-shaped panel bent towards the front floor panel.
According to some embodiments of the invention, the reinforcing plate comprises: a reinforcing plate body; the side inner flanging is arranged at the inner end of the reinforcing plate body side and is welded and fixed with the front floor panel; the side outer flanging is arranged at the outer end of the reinforcing plate body side, and the side outer flanging is welded and fixed with the threshold side beam inner plate; the front flanging is arranged at the front end of the reinforcing plate body and is welded and fixed with the lower beam of the front wall plate.
Further, the reinforcing plate further includes: the rear flanging is arranged at the rear end of the reinforcing plate body and is welded and fixed with the front floor panel.
According to some embodiments of the invention, the fixing position of the side inner end of the reinforcing plate and the front floor panel is further provided with a front longitudinal beam extending plate which is positioned below the front floor panel and is welded and fixed with the front floor panel.
Specifically, the front side member extension panel includes: the extension board body is separated from the front floor panel, and the extension board flanging is welded and fixed with the front floor panel so as to form an extension board cavity between the extension board body and the front floor panel.
Further, the side inner flange includes: the floor panel assembly comprises an inner lateral convex section and an inner lateral fit section, the inner lateral convex section is spaced from the front floor panel, the inner lateral fit section is welded and fixed with the front floor panel to form an inner lateral cavity between the inner lateral convex section and the front floor panel, and the inner lateral cavity is vertically aligned with the extending panel cavity.
Optionally, the side inner joint section, the front floor panel and the extension plate flange are welded and fixed by three layers of welding.
According to some embodiments of the invention, the reinforcement plate body is provided with lightening holes.
According to another aspect of the invention, a vehicle includes the vehicle front floor assembly described above.
The vehicle and the vehicle front floor assembly have the same advantages compared with the prior art, and the detailed description is omitted.
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
FIG. 1 is an assembled schematic view of a vehicle front floor assembly;
FIG. 2 is a schematic view of a cutaway position of a vehicle front floor assembly;
FIG. 3 is a schematic cross-sectional view taken along line P-P in FIG. 2;
FIG. 4 is a schematic cross-sectional view of Q-Q of FIG. 2;
FIG. 5 is a schematic view of a stiffener plate;
FIG. 6 is a schematic view of a side impact force transmission path experienced by a vehicle front floor assembly.
Reference numerals:
the front floor assembly comprises a vehicle front floor assembly 10, a threshold side sill inner plate 1, a front floor panel 2, a front longitudinal beam extension plate 3, an extension plate body 31, an extension plate flanging 32, an extension plate cavity 33, a reinforcing plate 4, a reinforcing plate body 41, a side inward flanging 42, a side inward convex section 421, a side inward fitting section 422, a side inward cavity 423, a side outward flanging 43, a front flanging 44, a rear flanging 45, a lightening hole 46 and a front panel lower cross beam 5.
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 or similar 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 drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
A vehicle front floor assembly 10 according to an embodiment of the present invention is described in detail below with reference to fig. 1 to 6.
Referring to fig. 1 to 2 and 6, a vehicle front floor assembly 10 according to an embodiment of the present invention may include: threshold boundary beam inner panel 1, preceding floor panel 2, preceding bounding wall bottom end rail 5 and reinforcing plate 4, threshold boundary beam inner panel 1 set up in the outside end of the side of preceding floor panel 2, and threshold boundary beam inner panel 1 is fixed with preceding floor panel 2, and preceding bounding wall bottom end rail 5 sets up in the front of preceding floor panel 2.
The outer end of the side of the reinforcing plate 4 is fixed with the threshold boundary beam inner plate 1, the front end of the reinforcing plate 4 is fixed with the front wall lower beam 5, and the inner end and/or the rear end of the side of the reinforcing plate 4 is fixed with the front floor panel 2, that is, the reinforcing plate 4 can be only fixed with the front floor panel 2 at the inner end of the side, can also be only fixed with the front floor panel 2 at the rear end, and can also be fixed with the front floor panel 2 at the inner end of the side and the rear end, therefore, the reinforcing plate 4, the threshold boundary beam inner plate 1, the front floor panel 2 and the front wall lower beam 5 form a frame-like structure, and the strength and the rigidity of the whole vehicle body can be obviously improved.
When a vehicle is subjected to side impact, the transmission path of the force is shown by an arrow in fig. 6, and the side impact force applied to the rocker side sill inner panel 1 is transmitted to the front panel bottom end rail 5 through the reinforcing panel 4 and the front floor panel 2, so that the deformation state of the rocker side sill inner panel 1 and the deformation state of the front floor panel 2 are improved, and the side impact safety performance of the vehicle is improved.
According to the vehicle front floor assembly 10 provided by the embodiment of the invention, the reinforcing plate 4 is additionally arranged, and the reinforcing plate 4 is fixed with the rocker side sill inner plate 1, the front floor panel 2 and the front panel lower cross beam 5, so that the reinforcing plate 4, the rocker side sill inner plate 1, the front floor panel 2 and the front panel lower cross beam 5 form a frame-like structure, the side impact force transmission path of the vehicle front floor assembly 10 is improved, the overall strength and rigidity of a vehicle body are increased, the side impact invasion amount of the vehicle body is reduced, and the side impact safety performance of the vehicle is obviously improved.
Referring to fig. 1 to 2 and 4, the fixing position of the gusset 4 to the rocker inner panel 1 is located above the fixing position of the rocker inner panel 1 to the front floor panel 2.
As shown in fig. 4, the rocker inner panel 4 is fixed to the rocker inner panel 1 at the position C, the rocker inner panel 1 is fixed to the front floor panel 2 at the position a, the position C is located above the position a, and the reinforcing panel 4 is located above the front floor panel 2. In other words, two force transmission paths are formed in the vehicle at positions A and C to distribute the side impact force.
Referring to fig. 1, 4 to 5, the reinforcing plate 4 is an arc-shaped plate bent toward the front floor panel 2, thereby contributing to an increase in the vehicle body interior space. In other words, the reinforcing panel 4 is bent downward toward the vehicle body Z direction, the distance between the reinforcing panel 4 and the front floor panel 2 gradually decreases from the outside to the inside, and the reinforcing panel 4 is deformed to bend downward along the vehicle body Z direction during the side impact force transmission, so that the reinforcing panel 4 is prevented from arching and encroaching on the vehicle body internal space to affect the safety of the occupant, and the curved reinforcing panel 4 can better transmit the impact force at C to the right as shown in fig. 4.
Referring to fig. 5, the reinforcing plate 4 may include: the floor panel comprises a reinforcing panel body 41, a side inward flange 42, a side outward flange 43, a front flange 44 and a rear flange 45, wherein as shown in fig. 2-4, the side inward flange 42 is arranged at the side inner end of the reinforcing panel body 41, and the side inward flange 42 and the front floor panel 2 are welded and fixed at the B position and the F position; the side outer flanging 43 is arranged at the side outer end of the reinforcing plate body 41, and the side outer flanging 43 is welded and fixed with the sill edge beam inner plate 1 at the position C; the front flange 44 is arranged at the front end of the reinforcing plate body 41, and the front flange 44 and the front dash lower cross beam 5 are welded and fixed at the position D; the rear flange 45 is disposed at the rear end of the reinforcing plate body 41, and the rear flange 45 is welded and fixed to the front floor panel 2 at a position E.
Further, the fixing positions (i.e., positions B and F) of the side inner ends of the reinforcing plates 4 and the front floor panel 2 are also provided with front side member extension plates 3, the front side member extension plates 3 are positioned below the front floor panel 2, and the front side member extension plates 3 are welded and fixed with the front floor panel 2.
In the force transmission path shown in fig. 6, the front side sill extension 3 is located below the side out-turned edge 43 and the front floor panel 2, a part of the side impact force applied to the rocker side sill inner panel 1 is directly transmitted to the dash lower cross member 5 through the reinforcement panel 4 and the front floor panel 2, and the other part of the side impact force is transmitted to the front side sill extension 3 through the reinforcement panel 4 and the front floor panel 2 and then transmitted to the dash lower cross member 5 through the front side sill extension 3, which is beneficial to further improving the deformation state of the rocker side sill inner panel 1 and the front floor panel 2 and improving the side impact safety performance of the vehicle.
Specifically, referring to fig. 4, the front side member extension panel 3 includes: the extension board body 31 and the extension board flange 32 are arranged, the extension board body 31 is spaced apart from the front floor panel 2, the extension board flange 32 is welded and fixed with the front floor panel 2, so that an extension board cavity 33 is formed between the extension board body 31 and the front floor panel 2, the extension board cavity 33 is deformed by collapsing when being impacted laterally, and a part of collision energy can be absorbed when the extension board cavity 33 is deformed by collapsing.
Further, the side inner cuffs 42 include: the side inner convex section 421 and the side inner joint section 422, the side inner convex section 421 is spaced apart from the front floor panel 2, the side inner joint section 422 is welded and fixed with the front floor panel 2 to form a side inner cavity 423 between the side inner convex section 421 and the front floor panel 2, the side inner cavity 423 is deformed by side collision force, and the side inner cavity 423 can absorb a part of collision energy during the deformation by the collapse. The side inner cavity 423 is aligned with the extension plate cavity 33 in the vehicle height direction (i.e., the vertical direction).
The front longitudinal beam extension plate 3, the front floor panel 2 and the reinforcing plate 4 are welded at the positions B and F to form a small frame-shaped structure, and the overall rigidity of the vehicle body is further improved.
Optionally, the side inner joint section 422, the front floor panel 2 and the extension plate flange 32 are welded and fixed by triple layer welding. The outer end side inner joint section 422, the front floor panel 2 and the extension panel flanging 32 are welded and fixed at the position B, and the inner end side inner joint section 422, the front floor panel 2 and the extension panel flanging 32 are welded and fixed at the position F, so that the connection strength of the front longitudinal beam extension panel 3, the front floor panel 2 and the reinforcing plate 4 is improved.
The gusset body 41 is an arc-shaped plate bent toward the front floor panel 2, thereby contributing to an increase in the vehicle body interior space. In other words, the gusset body 41 is bent downward in the vehicle Z direction, the distance between the gusset body 41 and the front floor panel 2 gradually decreases from the outside to the inside, and the gusset body 41 is deformed to bend downward in the vehicle Z direction during the force transmission due to the side collision, thereby preventing the gusset body 41 from bulging and encroaching on the vehicle interior space to affect the safety of the occupant.
The weight-reducing holes 46 are formed in the reinforcing plate body 41, and the number of the weight-reducing holes 46 can be multiple, so that the weight of the reinforcing plate body 41 is reduced, and the strength and the rigidity of the vehicle front floor assembly 10 are obviously improved without increasing the weight too much.
A vehicle according to another aspect of the embodiment of the present invention includes the vehicle front floor assembly 10 of the above-described embodiment. Through redesigning preceding floor assembly, redesigned threshold boundary beam inner panel 1 promptly, preceding floor panel 2, front longitudinal extension 3, preceding bounding wall bottom end rail 5 and reinforcing plate 4's overlap joint structure, optimized the transmission route of the in-process power of bumping to the side, improved the deformation state of threshold boundary beam inner panel 1 and preceding floor panel 2, do benefit to and guarantee automobile body inner space.
Other configurations of the vehicle, such as the engine, transmission, etc., are well known to those skilled in the art and therefore will not be described in detail herein.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A vehicle front floor assembly, comprising:
the side sill structure comprises a doorsill side beam inner plate (1), a front floor panel (2) and a front wall panel lower cross beam (5), wherein the doorsill side beam inner plate (1) is arranged at the lateral outer end of the front floor panel (2), the doorsill side beam inner plate (1) is fixed with the front floor panel (2), and the front wall panel lower cross beam (5) is arranged at the front end of the front floor panel (2);
the side outer end of the reinforcing plate (4) is fixed with the doorsill edge beam inner plate (1), the side inner end and/or the rear end of the reinforcing plate (4) is fixed with the front floor panel (2), and the front end of the reinforcing plate (4) is fixed with the front wall lower beam (5).
2. The vehicle front floor assembly according to claim 1, characterized in that the fixing position of the reinforcement panel (4) to the rocker inner panel (1) is located above the fixing position of the rocker inner panel (1) to the front floor panel (2).
3. The vehicle front floor assembly according to claim 2, characterized in that the reinforcement plate (4) is an arc-shaped plate bent toward the front floor panel (2).
4. The vehicle front floor assembly according to claim 1 or 2, characterized in that the reinforcement panel (4) comprises:
a reinforcing plate body (41);
the side inward flanging (42) is arranged at the inner end of the reinforcing plate body (41), and the side inward flanging (42) is welded and fixed with the front floor panel (2);
the side outward flanging (43) is arranged at the outer end of the reinforcing plate body (41), and the side outward flanging (43) is welded and fixed with the threshold side beam inner plate (1);
the front flanging (44) is arranged at the front end of the reinforcing plate body (41), and the front flanging (44) and the front wall lower cross beam (5) are welded and fixed.
5. The vehicle front floor assembly according to claim 4, characterized in that the reinforcement panel (4) further comprises: the rear flanging (45) is arranged at the rear end of the reinforcing plate body (41), and the rear flanging (45) is welded and fixed with the front floor panel (2).
6. The vehicle front floor assembly according to claim 4, characterized in that the fixing position of the side inner end of the reinforcement plate (4) to the front floor panel (2) is further provided with a front side member extension plate (3), and the front side member extension plate (3) is located below the front floor panel (2) and is welded and fixed to the front floor panel (2).
7. The vehicle front floor assembly according to claim 6, characterized in that the front rail extension panel (3) includes: the extension plate comprises an extension plate body (31) and an extension plate flanging (32), wherein the extension plate body (31) is spaced from the front floor panel (2), and the extension plate flanging (32) is fixedly welded with the front floor panel (2) so as to form an extension plate cavity (33) between the extension plate body (31) and the front floor panel (2).
8. The vehicle front floor assembly according to claim 7, characterized in that the side inner flanges (42) include: an inner lateral convex section (421) and an inner lateral fit section (422), wherein the inner lateral convex section (421) is spaced apart from the front floor panel (2), the inner lateral fit section (422) is welded and fixed with the front floor panel (2) to form an inner lateral cavity (423) between the inner lateral convex section (421) and the front floor panel (2), and the inner lateral cavity (423) is vertically aligned with the extension plate cavity (33).
9. The vehicle front floor assembly according to claim 4, characterized in that a lightening hole (46) is provided on the gusset body (41).
10. A vehicle characterized by comprising a vehicle front floor assembly according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910816752.8A CN112441129A (en) | 2019-08-30 | 2019-08-30 | Preceding floor assembly of vehicle and have its vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910816752.8A CN112441129A (en) | 2019-08-30 | 2019-08-30 | Preceding floor assembly of vehicle and have its vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112441129A true CN112441129A (en) | 2021-03-05 |
Family
ID=74734171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910816752.8A Pending CN112441129A (en) | 2019-08-30 | 2019-08-30 | Preceding floor assembly of vehicle and have its vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112441129A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978561A (en) * | 2021-10-26 | 2022-01-28 | 岚图汽车科技有限公司 | Front floor structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004306801A (en) * | 2003-04-08 | 2004-11-04 | Nissan Motor Co Ltd | Floor front part structure for automobile |
| US20170106914A1 (en) * | 2015-10-19 | 2017-04-20 | Honda Motor Co., Ltd. | Vehicle lower structure |
| CN107554622A (en) * | 2016-06-30 | 2018-01-09 | 长城汽车股份有限公司 | Floor panel assembly and vehicle for vehicle |
| CN206885184U (en) * | 2017-04-27 | 2018-01-16 | 北京汽车股份有限公司 | Electric automobile forward engine room framework and electric automobile |
| CN208036446U (en) * | 2018-04-13 | 2018-11-02 | 浙江吉利控股集团有限公司 | Floor panel structure before a kind of vehicle |
-
2019
- 2019-08-30 CN CN201910816752.8A patent/CN112441129A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004306801A (en) * | 2003-04-08 | 2004-11-04 | Nissan Motor Co Ltd | Floor front part structure for automobile |
| US20170106914A1 (en) * | 2015-10-19 | 2017-04-20 | Honda Motor Co., Ltd. | Vehicle lower structure |
| CN107554622A (en) * | 2016-06-30 | 2018-01-09 | 长城汽车股份有限公司 | Floor panel assembly and vehicle for vehicle |
| CN206885184U (en) * | 2017-04-27 | 2018-01-16 | 北京汽车股份有限公司 | Electric automobile forward engine room framework and electric automobile |
| CN208036446U (en) * | 2018-04-13 | 2018-11-02 | 浙江吉利控股集团有限公司 | Floor panel structure before a kind of vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978561A (en) * | 2021-10-26 | 2022-01-28 | 岚图汽车科技有限公司 | Front floor structure |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: No. 188, Miyun District, Miyun District, Beijing, Beijing Applicant after: Beijing baowo Automobile Co.,Ltd. Address before: No. 188, Miyun District, Miyun District, Beijing, Beijing Applicant before: Beijing treasure Car Co.,Ltd. |
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| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20220930 |
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| AD01 | Patent right deemed abandoned |