CN108146511B - Air chamber structure and car - Google Patents
Air chamber structure and car Download PDFInfo
- Publication number
- CN108146511B CN108146511B CN201810116461.3A CN201810116461A CN108146511B CN 108146511 B CN108146511 B CN 108146511B CN 201810116461 A CN201810116461 A CN 201810116461A CN 108146511 B CN108146511 B CN 108146511B
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- air chamber
- column
- plate
- lower plate
- chamber lower
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
Classifications
-
- 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
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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 an air chamber structure and an automobile, wherein the air chamber structure is applied to a vehicle and comprises the following components: an air chamber upper plate; an air chamber lower plate fixedly connected to the air chamber upper plate; wherein a cavity with openings at two opposite ends is formed between the air chamber upper plate and the air chamber lower plate; the air chamber lower plate comprises a left A column connected with the first end of the air chamber lower plate and a right A column connected with the second end of the air chamber lower plate, wherein the first end is opposite to the second end, the left A column and the right A column are respectively positioned at two openings of the cavity, a first water drain hole communicated with the cavity is formed in the left A column, and a second water drain hole communicated with the cavity is formed in the right A column. According to the air chamber structure provided by the embodiment of the invention, the drain holes are respectively formed in the left column A and the right column A, so that the rainwater flowing into the air chamber can not enter the vehicle body when the vehicle runs in a rainy day, and directly flows out of the vehicle through the drain holes.
Description
Technical Field
The invention relates to the field of automobiles, in particular to an air chamber structure and an automobile.
Background
The air chamber structure is an important part of the body-in-white structure. From the connection, the air chamber plays a role of connecting the front coaming assembly, the air window frame assembly and the side wall assembly; from the installation function, the air chamber is required to provide installation points for parts such as a wiper motor, an engine cover hinge, an outer decorative cover plate and the like; from the non-installation function, the air chamber provides an air inlet channel for air inlet of the air conditioner and needs to ensure rain tightness; complicated functions make the sheet metal structure of the air chamber complicated, and simultaneously the strength function failure of the hinge mounting point and the failure of rain tightness also frequently occur on the air chamber structure.
Disclosure of Invention
In order to solve the technical problems, the invention provides an air chamber structure and an automobile, and solves the problem that the rain tightness of the air chamber of the automobile is poor.
According to one aspect of the present invention, there is provided an air chamber structure, for use in a vehicle, comprising:
an air chamber upper plate;
an air chamber lower plate fixedly connected to the air chamber upper plate; wherein a cavity with openings at two opposite ends is formed between the air chamber upper plate and the air chamber lower plate;
the air chamber lower plate comprises a left A column connected with the first end of the air chamber lower plate and a right A column connected with the second end of the air chamber lower plate, wherein the first end is opposite to the second end, the left A column and the right A column are respectively positioned at two openings of the cavity, a first water drain hole communicated with the cavity is formed in the left A column, and a second water drain hole communicated with the cavity is formed in the right A column.
Optionally, the air chamber lower plate is bent to form an upper end face, and a left end face and a right end face adjacent to the upper end face are respectively provided with an open groove;
the air chamber upper plate is arranged on the air chamber lower plate, the opening of the upper end face is closed, and a cavity with openings on the left end face and the right end face is formed.
Optionally, a first inclined surface extending towards the direction approaching the left A column and inclined downwards is formed at one end approaching the left A column on the bottom surface of the air chamber lower plate;
and a protrusion with a preset height is formed on the bottom surface of the air chamber lower plate and close to one end of the right A column.
Optionally, the top surface of the protrusion is a second inclined surface inclined at a preset angle;
the second inclined surface extends obliquely upwards from the bottom surface position of the air chamber lower plate;
a first air inlet hole communicated with the cavity is formed in the second inclined plane.
Optionally, the air chamber structure further comprises: the water baffle is fixedly connected with the second inclined plane and at least surrounds the edge part of the first air inlet hole, which is far away from the air chamber upper plate.
Optionally, the left a-pillar comprises: a left A pillar inner plate, a left front fingerboard and a left A pillar outer plate;
wherein the left A-pillar inner panel is connected to a first end of the air chamber lower panel;
the left front fingerboard is fixed on the left A column inner plate, and the left A column outer plate is fixed on the left front fingerboard.
Optionally, the side of the left a-pillar inner plate, which is close to the bottom surface of the air chamber lower plate, is provided with the first drain hole, and the first drain hole is quadrilateral.
Optionally, the right a-pillar comprises: a right A-pillar inner plate, a right front fingerboard and a right A-pillar outer plate;
wherein the right A-pillar inner panel is connected to the second end of the air chamber lower panel;
the right front fingerboard is fixed on the right A column inner plate, and the right A column outer plate is fixed on the right front fingerboard.
Optionally, the position of the right A-pillar inner plate close to the bottom surface of the air chamber lower plate is provided with the second drain hole, and the second drain hole is circular.
Optionally, a drain pipe which is communicated with the right A column inner plate, the right front fingerboard and the right A column outer plate is arranged at the second drain hole;
the drain pipe is arranged in the through hole on the right front fingerboard in a penetrating way.
Optionally, the air chamber upper plate is provided with a second air inlet hole and a third air inlet hole.
According to another aspect of the present invention, there is provided an automobile comprising the air chamber structure described above.
The embodiment of the invention has the beneficial effects that:
according to the air chamber structure in the scheme, the drain holes are respectively formed in the left column A and the right column A, so that the fact that rainwater flowing into the air chamber cannot enter the vehicle body when the vehicle runs in a rainy day is effectively guaranteed, the rainwater directly flows out of the vehicle through the drain holes, the sheet metal part related to the air chamber structure is simple in structure, good in stamping process formability and small in part number, and the number and manufacturing difficulty of welding tools are greatly reduced.
Drawings
FIG. 1 shows an isometric view of an air chamber structure of an embodiment of the present invention;
FIG. 2 is a schematic view showing the connection relationship between the air chamber lower plate and the A column in the embodiment of the present invention;
FIG. 3 shows a schematic view of a first drain hole location according to an embodiment of the present invention;
FIG. 4 is a schematic view showing the position of a second drain hole according to an embodiment of the present invention;
fig. 5 shows an exploded view of the air chamber structure of an embodiment of the present invention.
Wherein in the figure: 1. an air chamber upper plate, 2, an air chamber lower plate, 3, a left A column, 4 and a right A column;
21. the first inclined plane, 22, the bulge, 23, the water baffle, 31, the first water drain hole, 32, the left A column inner plate, 33, the left front fingerboard, 34, the left A column outer plate, 41, the second water drain hole, 42, the right A column inner plate, 43, the right front fingerboard, 44, the right A column outer plate, 45 and the water drain pipe;
221. and a second inclined plane.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1, an embodiment of the present invention provides an air chamber structure, applied to a vehicle, comprising:
an air chamber upper plate 1; an air chamber lower plate 2 fixedly connected to the air chamber upper plate 1; wherein a cavity with openings at two opposite ends is formed between the air chamber upper plate 1 and the air chamber lower plate 2;
the air chamber lower plate 2 comprises a left A column 3 connected with a first end of the air chamber lower plate 2 and a right A column 4 connected with a second end of the air chamber lower plate 2, wherein the first end is opposite to the second end, the left A column 3 and the right A column 4 are respectively positioned at two openings of the cavity, a first drain hole 31 communicated with the cavity is formed in the left A column 3, and a second drain hole 41 communicated with the cavity is formed in the right A column 4.
Specifically, the air chamber lower plate 2 is bent to form an upper end face, and a left end face and a right end face adjacent to the upper end face are respectively provided with an open groove; wherein the air chamber upper plate 1 is covered on the air chamber lower plate 2, and the opening of the upper end face is closed to form a cavity with openings on the left end face and the right end face respectively.
In this embodiment, the air chamber upper plate 1 is welded above the air chamber lower plate 2, the left A-pillar 3 is welded at a first end of the air chamber lower plate 2, and the right A-pillar 4 is welded at a second end of the air chamber lower plate 2, and the air chamber structures are spliced to form a cavity structure. Wherein the first end and the second end are two opposite open ends of the air chamber lower plate 2, the first end is defined as a right end face of the air chamber lower plate 2 in fig. 1 or 2 in an isometric view, and the second end is defined as a left end face of the air chamber lower plate 2 in fig. 1 or 2 in an isometric view.
Because the first water drain hole 31 communicated with the cavity is formed in the left A column 3, the second water drain hole 41 communicated with the cavity is formed in the right A column 4, in the driving process in rainy days, rainwater can penetrate through the outer decorative cover plate and the air chamber upper plate 1 of the vehicle and enter the air chamber space of the cavity structure, and the rainwater can be directly discharged out of the vehicle through the first water drain hole 31 and the second water drain hole 41 instead of entering the cavity in the interior of the A column of the vehicle.
Preferably, the air chamber upper plate 1 is provided with a second air inlet hole and a third air inlet hole. The second air inlet and the third air inlet are respectively communicated with the cavity of the air chamber, so that the air inflow required by the air conditioner is ensured.
The air chamber structure of the scheme effectively ensures that rainwater cannot enter the vehicle body when the vehicle runs in a rainy day; the air intake required by the air conditioner is fully ensured; and the air chamber structure sheet metal part has the advantages of simple structure, good stamping process formability and small number of parts, and greatly reduces the number and manufacturing difficulty of welding tools.
Specifically, as shown in fig. 3, a first inclined surface 21 extending in a direction approaching the left a column 3 and inclined downward is formed at one end of the air chamber lower plate 2 near the left a column 3;
the position where the first inclined surface 21 contacts the left a-pillar 3 is the opening position of the first drain hole 31 on the left a-pillar 3. Since the first inclined surface 21 is inclined downward in the direction of the left a-pillar 3, the first drain hole 31 is positioned at a low position with respect to the bottom surface of the air chamber lower plate 2, and rainwater can flow out of the vehicle from the first drain hole 31 along the first inclined surface 21 when the amount of water in the air chamber is small.
As shown in fig. 4, a projection 22 of a predetermined height is formed on the bottom surface of the air chamber lower plate 2 at one end near the right a-pillar 4.
The top surface of the protrusion 22 is a second inclined surface 221 inclined at a preset angle; the second inclined surface 221 extends obliquely upward from the bottom surface position of the air chamber lower plate 2;
a first air inlet hole communicated with the cavity is formed in the second inclined plane 221.
In this embodiment, the projection 22 is provided at the end of the air chamber lower plate 2 near the right a-pillar 4, and the height of the projection 22 is set so that the highest of the second inclined surface 221 extending obliquely upward from the bottom surface position of the air chamber lower plate 2 is lower than the height of the air chamber upper plate 1. Preferably, on the second inclined surface 221, a side closer to the second drain hole 41 on the right a-pillar 4 is a side where the second inclined surface 221 is lower in height.
Wherein, the second inclined plane 221 is provided with a first air inlet hole, and the second air inlet hole and the third air inlet hole on the air chamber upper plate 1 can fully ensure the air inlet quantity required by the air conditioner.
The air chamber structure further comprises: the water baffle plate 23 is fixedly connected with the second inclined surface 221 and is arranged at least around the edge part of the first air inlet hole, which is far away from the air chamber upper plate 1.
In this embodiment, the water deflector 23 is disposed around the edge portion of the first air intake hole away from the air chamber upper plate 1, i.e., the water deflector 23 is disposed on the lower side of the second inclined surface 221 and around the first air intake hole. When the amount of rainwater is large, the rainwater may flow over the second inclined surface 221 of the protrusion 22, and at this time, the rainwater may be discharged from the second drain hole 41 along a side of the second inclined surface 221 having a low height. Because the edge of the first air inlet hole surrounds the water baffle 23, the water baffle 23 is welded and fixed on one side of the second inclined plane 221 with lower height and sealed by sealant, so that rainwater is ensured to gather on one side of the water baffle 23, and then discharged out of the vehicle through the second water discharge hole 41 without flowing into the first air inlet hole.
As shown in fig. 5, the left a column 3 includes: a left a pillar inner panel 32, a left front fingerboard 33, and a left a pillar outer panel 34; wherein said left A-pillar inner panel 32 is attached to a first end of said air chamber lower panel 2; the left front fingerboard 33 is fixed to the left a pillar inner panel 32, and the left a pillar outer panel 34 is fixed to the left front fingerboard 33.
Specifically, the first drain hole 31 is formed in the side of the left a-pillar inner plate 32 close to the bottom surface of the air chamber lower plate 2, and the first drain hole 31 is quadrangular.
In this embodiment, the left a pillar inner plate 32, the left front fingerboard 33 and the left a pillar outer plate 34 are welded together, and the first drain hole 31 is formed on a side of the left a pillar inner plate 32 close to the bottom surface of the air chamber lower plate 2, that is, a position of the first drain hole 31 on the left a pillar inner plate 32 is lower than a position of the left front fingerboard 33 welded on the left a pillar inner plate 32. The first water drain hole 31 is formed by fixing the left a-pillar inner plate 32 and the left a-pillar outer plate 34 together, and the left a-pillar outer plate 34 is provided with a through hole corresponding to the first water drain hole 31, the through hole is communicated with the first water drain hole 31, rainwater can be directly drained out of the vehicle through the first water drain hole 31, and rainwater is prevented from entering a cavity formed by the left a-pillar inner plate 32 and the left a-pillar outer plate 34.
Specifically, the right a-pillar 4 includes: a right a pillar inner panel 42, a right front fingerboard 43, and a right a pillar outer panel 44; wherein said right A-pillar inner panel 42 is attached to a second end of said air chamber lower panel 2; the right front fingerboard 43 is fixed to the right a-pillar inner panel 42, and the right a-pillar outer panel 44 is fixed to the right front fingerboard 43. The right a-pillar inner plate 42 is provided with the second drain hole 41 at a position close to the bottom surface of the air chamber lower plate 2, and the second drain hole 41 is circular.
Wherein a drain pipe 45 communicating the right a-pillar inner panel 42, the right front fingerboard 43, and the right a-pillar outer panel 44 is installed at the second drain hole 41; the drain pipe 45 is inserted into the through hole of the right front finger 43.
In this embodiment, through holes corresponding to the second drain holes 41 are respectively formed in the right front fingerboard 43 and the right a pillar outer panel 44, the drain pipe 45 is inserted into the through hole in the right front fingerboard 43 and welded and fixed, the right front fingerboard 43 with the drain pipe 45 is welded with the right a pillar inner panel 42 and the right a pillar outer panel 44 together, the drain pipe 45 is communicated with the right a pillar inner panel 42, the right front fingerboard 43 and the right a pillar outer panel 44, that is, the height of the second drain hole 41 is the same as the height of the right front fingerboard 43 fixed on the right a pillar inner panel 42, when the amount of rainwater is large, the rainwater flows through the side of the lower height on the second inclined plane 221, and is directly discharged out of the vehicle through the second drain hole 41, so that the rainwater is prevented from entering the cavity formed by the right a pillar inner panel 42 and the right a pillar outer panel 44.
The left a pillar inner plate 32, the left front fingerboard 33, the left a pillar outer plate 34, the right a pillar inner plate 42, the right front fingerboard 43, and the right a pillar outer plate 44 are welded respectively to form a sandwich-like structure, which ensures the rigidity and strength of the overall structure.
According to the air chamber structure of the embodiment, the first water drain hole 31 is formed in the left A column 3, the second water drain hole 41 is formed in the right A column 4, the water baffle plate 23 is arranged around the edge of the first air inlet hole close to the second water drain hole, and the waterproof measures of one baffle and two baffles effectively ensure that rainwater cannot enter the vehicle body when the vehicle runs in a rainy day.
The embodiment of the invention also provides an automobile, which comprises the air chamber structure.
According to the embodiment of the invention, the drainage holes are respectively formed in the left column A and the right column A of the air chamber structure, so that the rainwater flowing into the air chamber can not enter the vehicle body when the vehicle runs in a rainy day, and directly flows out of the vehicle through the drainage holes. And the sheet metal part that this air chamber structure relates to simple structure, stamping process formability is good, and part quantity is few, very big reduction welding frock's quantity and manufacturing difficulty.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and changes can be made without departing from the principles of the present invention, and such modifications and changes are intended to be within the scope of the present invention.
Claims (9)
1. An air chamber structure for use in a vehicle, the air chamber structure comprising:
an air chamber upper plate (1);
an air chamber lower plate (2) fixedly connected to the air chamber upper plate (1); wherein a cavity with openings at two opposite ends is formed between the air chamber upper plate (1) and the air chamber lower plate (2);
a left A column (3) connected with the first end of the air chamber lower plate (2) and a right A column (4) connected with the second end of the air chamber lower plate (2), wherein the first end is opposite to the second end, the left A column (3) and the right A column (4) are respectively positioned at two openings of the cavity, a first water drain hole (31) communicated with the cavity is formed in the left A column (3), and a second water drain hole (41) communicated with the cavity is formed in the right A column (4);
the air chamber lower plate (2) is bent to form an upper end face, and a left end face and a right end face adjacent to the upper end face are respectively provided with an open groove;
wherein the air chamber upper plate (1) is covered on the air chamber lower plate (2) to seal the opening of the upper end surface and form a cavity with openings on the left end surface and the right end surface respectively;
a first inclined surface (21) which extends towards the direction approaching the left A column (3) and is inclined downwards is formed at one end of the bottom surface of the air chamber lower plate (2) near the left A column (3);
a protrusion (22) with a preset height is formed at one end, close to the right A column (4), of the bottom surface of the air chamber lower plate (2);
the top surface of the bulge (22) is a second inclined surface (221) inclined at a preset angle;
the second inclined surface (221) extends obliquely upwards from the bottom surface position of the air chamber lower plate (2);
the second inclined surface (221) is provided with a first air inlet communicated with the cavity.
2. The air chamber structure of claim 1, further comprising: and the water baffle (23) is fixedly connected with the second inclined plane (221) and at least surrounds the edge part of the first air inlet hole, which is far away from the air chamber upper plate (1).
3. The air chamber structure according to claim 1, characterized in that the left a-pillar (3) comprises: a left A pillar inner panel (32), a left front fingerboard (33) and a left A pillar outer panel (34);
wherein the left A-pillar inner panel (32) is connected to a first end of the air chamber lower panel (2);
the left front fingerboard (33) is fixed on the left A pillar inner plate (32), and the left A pillar outer plate (34) is fixed on the left front fingerboard (33).
4. An air chamber structure according to claim 3, wherein said first drain hole (31) is formed in a side of said left a-pillar inner plate (32) close to a bottom surface of said air chamber lower plate (2), said first drain hole (31) being quadrangular.
5. The air chamber structure according to claim 1, characterized in that the right a-pillar (4) comprises: a right A-pillar inner panel (42), a right front fingerboard (43) and a right A-pillar outer panel (44);
wherein the right A-pillar inner panel (42) is connected to the second end of the air chamber lower panel (2);
the right front fingerboard (43) is fixed on the right A-pillar inner plate (42), and the right A-pillar outer plate (44) is fixed on the right front fingerboard (43).
6. The air chamber structure according to claim 5, wherein the second drain hole (41) is formed in a position of the right a-pillar inner plate (42) close to the bottom surface of the air chamber lower plate (2), and the second drain hole (41) is circular.
7. The air chamber structure according to claim 6, wherein a drain pipe (45) communicating the right a-pillar inner plate (42), right front fingerboard (43), and right a-pillar outer plate (44) is installed at the second drain hole (41);
the drain pipe (45) is arranged in the through hole on the right front finger (43) in a penetrating way.
8. The air chamber structure according to claim 1, characterized in that the air chamber upper plate (1) is provided with a second air inlet hole and a third air inlet hole.
9. An automobile comprising the air chamber structure of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810116461.3A CN108146511B (en) | 2018-02-06 | 2018-02-06 | Air chamber structure and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810116461.3A CN108146511B (en) | 2018-02-06 | 2018-02-06 | Air chamber structure and car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108146511A CN108146511A (en) | 2018-06-12 |
| CN108146511B true CN108146511B (en) | 2024-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810116461.3A Active CN108146511B (en) | 2018-02-06 | 2018-02-06 | Air chamber structure and car |
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| Country | Link |
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| CN (1) | CN108146511B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112092918A (en) * | 2020-09-10 | 2020-12-18 | 北京汽车集团越野车有限公司 | Air chamber structure and vehicle with same |
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| DE102007017427A1 (en) * | 2007-04-13 | 2008-11-20 | GM Global Technology Operations, Inc., Detroit | Motor vehicle i.e. passenger car for possessing front wall for separating engine region from vehicle interior, has radiator tank cover with groove that runs in vehicle transverse direction and provided for lateral draining of water |
| CN202987290U (en) * | 2012-12-17 | 2013-06-12 | 北京汽车股份有限公司 | Air chamber plate, front wall assembly and automobile |
| CN104114435A (en) * | 2012-02-20 | 2014-10-22 | 本田技研工业株式会社 | Structure for front part of vehicle |
| JP2015071358A (en) * | 2013-10-03 | 2015-04-16 | 本田技研工業株式会社 | Automobile body structure |
| CN106132814A (en) * | 2014-04-03 | 2016-11-16 | 丰田自动车株式会社 | Vehicle front panel structure |
| CN207875769U (en) * | 2018-02-06 | 2018-09-18 | 北京汽车研究总院有限公司 | A kind of air cell structure and automobile |
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2018
- 2018-02-06 CN CN201810116461.3A patent/CN108146511B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007017427A1 (en) * | 2007-04-13 | 2008-11-20 | GM Global Technology Operations, Inc., Detroit | Motor vehicle i.e. passenger car for possessing front wall for separating engine region from vehicle interior, has radiator tank cover with groove that runs in vehicle transverse direction and provided for lateral draining of water |
| CN104114435A (en) * | 2012-02-20 | 2014-10-22 | 本田技研工业株式会社 | Structure for front part of vehicle |
| CN202987290U (en) * | 2012-12-17 | 2013-06-12 | 北京汽车股份有限公司 | Air chamber plate, front wall assembly and automobile |
| JP2015071358A (en) * | 2013-10-03 | 2015-04-16 | 本田技研工業株式会社 | Automobile body structure |
| CN106132814A (en) * | 2014-04-03 | 2016-11-16 | 丰田自动车株式会社 | Vehicle front panel structure |
| CN207875769U (en) * | 2018-02-06 | 2018-09-18 | 北京汽车研究总院有限公司 | A kind of air cell structure and automobile |
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| CN108146511A (en) | 2018-06-12 |
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Effective date of registration: 20200707 Address after: 100130 Zhaofeng Town, Shunyi District, Beijing Zhaofeng industrial base Tongxin Road No. 1 Applicant after: BAIC GROUP ORV Co.,Ltd. Address before: 101300, 99, Shuanghe Avenue, Renhe Town, Beijing, Shunyi District Applicant before: BEIJING AUTOMOBILE RESEARCH GENERAL INSTITUTE Co.,Ltd. |
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