CN114274750B - Vehicle body structure with expandable inner space and automobile - Google Patents
Vehicle body structure with expandable inner space and automobile Download PDFInfo
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- CN114274750B CN114274750B CN202111654254.1A CN202111654254A CN114274750B CN 114274750 B CN114274750 B CN 114274750B CN 202111654254 A CN202111654254 A CN 202111654254A CN 114274750 B CN114274750 B CN 114274750B
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- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 238000005192 partition Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Body Structure For Vehicles (AREA)
Abstract
The invention relates to a vehicle body structure with a expandable inner space and an automobile, which comprises a left side coaming and a right side coaming, wherein a front cross beam and a middle cross beam are connected between upper battens of the left side coaming and the right side coaming, the position of the front cross beam in the front-rear direction is positioned between A, B columns, and the position of the middle cross beam in the front-rear direction corresponds to a B column; a top cover extending backwards is arranged between the two upper slats and positioned behind the middle cross beam, one end of the lifting mechanism is connected with the top cover, and the other end of the lifting mechanism is connected with the left side coaming and the right side coaming. In the invention, only the front cross beam and the middle cross beam are connected between the two upper battens, and the middle cross beam is close to the B column, so that not only can the performance requirements of collision, CAE and the like be met, the strength of the vehicle body structure is ensured, but also the condition that the space between the middle cross beam and the tail part of the vehicle body structure is in a full-through state can be met; based on the full-permeability state, a liftable top cover is arranged between the middle cross beam and the tail part of the vehicle body structure, so that the space at the rear part of the vehicle can be effectively expanded along the height direction.
Description
Technical Field
The invention belongs to the technical field of vehicle body structure design, and particularly relates to a vehicle body structure with an expandable inner space and an automobile.
Background
With the rapid development of social economy, the household degree of automobiles is higher and higher, and people generally pay attention to price, performance, oil consumption, safety, internal space size and appearance when purchasing household cars; among them, the size of the interior space of the automobile is one of the main factors affecting riding comfort and storage capacity.
The internal space of the traditional automobile is fixed due to the arrangement of the external modeling and the internal structure, and cannot be adjusted according to the requirements in the use process; and is limited by the structural strength and the driving safety of the automobile body, and the problem of fixed internal space of the automobile is difficult to solve from the angle of movably adjusting the length and the width of the automobile. The influence of the height adjustment of the automobile on the structural strength and the driving safety of the automobile is small, so that the size of the internal space of the automobile is adjusted by arranging a lifting roof of a few current buses, such as a vehicle with a space expanding function in Chinese patent CN202020588887.1, but the lifting roof is designed for the types of buses and buses, has a complex structure and high maintenance cost, is difficult to be directly applied to a common car, and can greatly reduce the structural strength of the automobile body of the common car.
Therefore, how to expand the internal space of a general car becomes a problem to be solved, and a lifting roof for the general car is disclosed in a chinese patent CN201921438600.0 car and a lifting roof thereof, but the lifting roof is a structure with one end hinged with a car body and the other end rotatable around a hinge point, which is essentially the same as a car trunk door capable of being opened in an upward rotation manner, and has poor lifting effect on the size of the internal space of the car.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a vehicle body structure with an expandable inner space and a vehicle, solve the problem of effectively expanding the inner space of the vehicle on the premise of ensuring the strength of the vehicle body structure, and obtain the effect of greatly improving the size of the inner space of the vehicle.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a vehicle body structure that inner space can be extended, includes left side bounding wall and the right side bounding wall that control interval set up, and left side bounding wall and right side bounding wall all include lower slat and the last slat that control interval set up, are equipped with A post and B post along fore-and-aft direction interval connection between lower slat and the last slat that control interval set up; a front cross beam and a middle cross beam are connected between the upper slat of the left side coaming and the upper slat of the right side coaming at intervals along the front-rear direction, the position of the front cross beam in the front-rear direction is positioned between the A column and the B column, and the position of the middle cross beam in the front-rear direction corresponds to the B column;
a top cover assembly is further arranged between the upper slat of the left side coaming and the upper slat of the right side coaming, the top cover assembly comprises a top cover and a lifting mechanism, one end of the top cover abuts against the middle cross beam, the other end of the top cover extends backwards, one end of the lifting mechanism is connected with the top cover, and the other end of the lifting mechanism is connected with the left side coaming and the right side coaming to drive the top cover to lift.
Preferably, the lower edges of the opposite sides of the upper slat of the left side coaming and the upper slat of the right side coaming are respectively provided with a supporting part formed by opposite bulges, and the lower surface of the top cover is abutted with the upper surface of the supporting part.
Further, a water flowing groove extending backwards is formed in the upper surface of the supporting portion located behind the middle cross beam.
Further, one end of the lifting mechanism is connected with the lower surface of the top cover, and the other end of the lifting mechanism is arranged in the water flowing groove.
Preferably, the middle cross beam comprises a middle cross beam outer plate and a middle cross beam inner plate which are arranged at intervals up and down, and the middle cross beam outer plate and the middle cross beam inner plate are connected through a reinforcing partition plate.
Further, the cross sections of the middle beam outer plate and the middle beam inner plate are V-shaped, and the V-shaped areas of the middle beam outer plate and the middle beam inner plate are opposite; the cross section of the additional partition plate is diamond, the number of the additional partition plates is two, and the two additional partition plates are respectively connected at the left end and the right end between the middle beam outer plate and the middle beam inner plate.
Preferably, the front beam comprises a front beam outer plate and a front beam inner plate, and the front beam outer plate and the front beam inner plate are connected in an up-down fit manner.
The invention also comprises an automobile with the expandable inner space, and the automobile is provided with the automobile body structure with the expandable inner space.
Compared with the prior art, the invention has the following beneficial effects:
1. in the invention, only the front cross beam and the middle cross beam are connected between the upper slat of the left side coaming and the upper slat of the right side coaming, and the middle cross beam is close to the B column, so that the performance requirements of collision, CAE and the like can be met, the strength of the vehicle body structure can be ensured, the condition that the space between the middle cross beam and the tail part of the vehicle body structure is in a full-through state can be met, and the liftable top cover can be conveniently arranged.
2. In the invention, the lifting top cover is arranged between the middle cross beam and the tail part of the vehicle body structure, and the height of the top cover is adjusted through the lifting mechanism, so that the space at the rear part of the vehicle can be effectively expanded along the height direction; a fixed roof or skylight structure can be arranged between the front cross beam and the middle cross beam, so that the structure of the automobile body can also meet the design requirement of the top of the traditional automobile body.
3. In the invention, the supporting part positioned behind the middle cross beam is provided with the water flowing groove, and the water flowing groove is used for not only discharging rainwater entering along the top cover, the left side surrounding plate and the right side surrounding plate, but also installing the lifting mechanism, and the lifting mechanism is invisible in the state that the top cover is closed, so that the vehicle body structure is more compact and attractive.
Drawings
FIG. 1 is a schematic illustration of an embodiment of a vehicle body structure with expandable interior space (a hidden roof assembly);
FIG. 2 is a schematic view of the structure of the left side wall plate in the embodiment;
fig. 3 is a schematic view of the structure of the lower vehicle body according to the embodiment;
FIG. 4 is a schematic illustration of an embodiment of a roof closure of a vehicle body structure with a expandable interior;
FIG. 5 is a schematic view showing an open state of a roof of a vehicle body structure with a expandable interior space according to an embodiment;
FIG. 6 is a schematic view of the structure of the top cover assembly according to the embodiment;
FIG. 7 is a schematic cross-sectional view of A-A of FIG. 2;
FIG. 8 is an exploded view of the center sill in the illustrated embodiment;
FIG. 9 is a schematic view of the front cross member according to the embodiment;
wherein, left side coaming 1, right side coaming 2, upper slat 31, lower slat 32, A post 33, B post 34, CD post 35, lower automobile body 4, front cross member 5, front cross member planking 51, front cross member inner panel 52, middle cross member 6, middle cross member planking 61, middle cross member inner panel 62, add baffle 63, top cap assembly 7, top cap 71, lifting mechanism 72, supporting part 8, launder 81.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
Examples:
referring to fig. 1 and 2, a vehicle body structure with a expandable inner space comprises a left side surrounding plate 1 and a right side surrounding plate 2 which are arranged at intervals left and right, wherein the left side surrounding plate 1 and the right side surrounding plate 2 respectively comprise a lower slat 32 and an upper slat 31 which are arranged at intervals up and down, and an a column 33, a B column 34 and a CD column 35 are connected between the lower slat 32 and the upper slat 31 which are arranged at intervals up and down along the front-back direction at intervals;
referring to fig. 3, in the present embodiment, the vehicle body structure further includes a lower vehicle body 4, and the lower lath 32 of the left side surrounding plate 1 and the lower lath 32 of the right side surrounding plate 2 are connected one-to-one with the left and right edges of the upper surface of the lower vehicle body 4;
referring to fig. 1, a front cross member 5 and a middle cross member 6 are connected between an upper slat 31 of the left side surrounding plate 1 and an upper slat 31 of the right side surrounding plate 2 at intervals along the front-rear direction, the front cross member 5 is located between an a pillar 33 and a B pillar 34 in the front-rear direction, and the middle cross member 6 corresponds to the B pillar 34 in the front-rear direction; in practice, the center cross member 6 may be located within 150mm of the front-rear direction above the B-pillar 34; the left side coaming 1, the right side coaming 2, the front cross beam 5 and the middle cross beam 6 are connected through welding, riveting or bonding;
referring to fig. 4 and 6, a top cover assembly 7 is further disposed between the upper slat 31 of the left side surrounding plate 1 and the upper slat 31 of the right side surrounding plate 2, the top cover assembly 7 includes a top cover 71 and a lifting mechanism 72, one end of the top cover 71 abuts against the middle cross beam 6, the other end extends backwards to the tail of the vehicle body structure, one end of the lifting mechanism 72 is connected with the top cover 71, and the other end of the lifting mechanism 72 is connected with the left side surrounding plate 1 and the right side surrounding plate 2 to drive the top cover 71 to lift; in implementation, the lifting mechanism 72 may adopt two four-bar mechanisms opposite left and right, the two four-bar mechanisms are respectively arranged between the top cover 71 and the left side wall plate 1 and between the top cover 71 and the right side wall plate 2, and the four-bar mechanisms may be driven by a motor; the lifting mechanism 72 can also adopt two groups of crossed electric telescopic rods which are respectively arranged between the top cover 71 and the left side wall plate 1 and between the top cover 71 and the right side wall plate 2; the height of the top cover 71 may be adjusted, and is not particularly limited.
In the invention, only the front cross beam 5 and the middle cross beam 6 are connected between the upper slat 31 of the left side coaming 1 and the upper slat 31 of the right side coaming 2, and the middle cross beam 6 is close to the B column 34, so that the performance requirements of collision, CAE and the like can be met, the structural strength of the vehicle body can be ensured, and the condition that the space between the middle cross beam 6 and the tail part of the vehicle body structure is in a full-transparent state can be met; based on the full-permeability state, a liftable top cover 71 is arranged between the middle cross beam 6 and the tail part of the vehicle body structure, and the space at the rear part of the vehicle can be effectively expanded along the height direction by lifting the height of the top cover 71; a fixed roof or sunroof structure may be provided between the front cross member 5 and the center cross member 6, so that the structure of the vehicle body may also meet the design requirements of the top of a conventional vehicle body.
Further, referring to fig. 1, the lower edges of the opposite sides of the upper slat 31 of the left side surrounding board 1 and the upper slat 31 of the right side surrounding board 2 are respectively provided with a supporting portion 8 formed by opposite protrusions, and the lower surface of the cover board is abutted with the upper surface of the supporting portion 8; in this embodiment, a circle of sealing pad is further disposed at a position where the lower surface of the cover plate abuts against the upper surface of the supporting portion 8, so as to prevent rainwater from flowing into the vehicle from a gap between the cover plate and the supporting portion 8.
In this way, the supporting part 8 is used for supporting the top cover 71, so that the top cover 71 is prevented from collapsing into the vehicle due to the failure of the lifting mechanism 72 or the stress of the top of the vehicle body, and the reliability and the safety of the vehicle body structure are improved; the portion of the support 8 located in front of the center cross member 6 may be used to mount a roof or skylight structure that is supported and secured.
Further, referring to fig. 2 and 7, the upper surface of the portion support portion 8 located behind the center cross member 6 is provided with a gutter 81 extending rearward to the rear of the vehicle body structure; in practice, the supporting portion 8 and the water flowing groove 81 may be integrally formed with the left side surrounding plate 1 and the right side surrounding plate 2.
In this way, rainwater entering along the gap between the roof 71 and the left and right side panels 1 and 2 can be discharged from the rear of the vehicle body structure through the gutter 81, improving the waterproof effect of the vehicle body roof.
Further, one end of the lifting mechanism 72 is connected to the lower surface of the top cover 71, and the other end is mounted in the water flow channel 81.
In this way, the lifting mechanism 72 does not require an additional mounting position, and when the top cover 71 is in the closed state, the lifting mechanism 72 is not visible, so that the vehicle body structure is more compact and attractive.
Further, referring to fig. 8, the center sill 6 includes a center sill outer panel 61 and a center sill inner panel 62 disposed at an upper and lower interval, and the center sill outer panel 61 and the center sill inner panel 62 are connected by a bulkhead 63.
In this way, the middle cross beam 6 above the B column 34 is the main stress part of the vehicle body for bending and collision, and the middle cross beam 6 adopts a structure that the middle cross beam outer plate 61 and the middle cross beam inner plate 62 are connected at intervals through the partition plates 63, so that the middle cross beam 6 has higher structural strength and lighter weight; in this embodiment, the inner middle beam plate 62 and the outer middle beam plate 61 are made of high-strength steel or formed by hot forming, so as to ensure the force transmission path and deformation resistance of the vehicle body at the B-pillar 34.
Further, referring to fig. 8, the cross sections of the middle cross member outer plate 61 and the middle cross member inner plate 62 are V-shaped, and the V-shaped areas of the middle cross member outer plate 61 and the middle cross member inner plate 62 are opposite; the cross section of each of the reinforcing plates 63 is diamond, and two reinforcing plates 63 are connected to the left and right ends of the intermediate beam outer plate 61 and the intermediate beam inner plate 62, respectively.
In this way, the cross section of the middle cross beam 6 formed by connecting the middle cross beam outer plate 61 and the middle cross beam inner plate 62 in opposite directions is diamond-shaped, the structural strength of the middle cross beam 6 is better, and the middle cross beam is connected by matching with the partition plates 63 with the diamond-shaped cross section, so that the connection is more stable and reliable.
Further, referring to fig. 9, the front cross member 5 includes a front cross member outer plate 51 and a front cross member inner plate 52, and the front cross member outer plate 51 and the front cross member inner plate 52 are attached to each other up and down. In this embodiment, the front cross member 5 may also be made of a structural form and material such as the middle cross member 6 to ensure a force transmission path and deformation resistance at the a-pillar 33 of the vehicle body.
The invention also relates to a vehicle with an extended rear space, which has a vehicle body structure as described above. The top cover 71 has a closed state as shown in fig. 4 and an open state as shown in fig. 5, and in the open state, the height of the top cover 71 can be adjusted by controlling the lifting mechanism 72 so as to control the expansion degree of the space in the vehicle.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a vehicle body structure that inner space can be extended, includes left side bounding wall and the right side bounding wall that control interval set up, and left side bounding wall and right side bounding wall all include lower slat and the last slat that control interval set up, are equipped with A post and B post along fore-and-aft direction interval connection between lower slat and the last slat that control interval set up; the method is characterized in that: a front cross beam and a middle cross beam are connected between the upper slat of the left side coaming and the upper slat of the right side coaming at intervals along the front-rear direction, the position of the front cross beam in the front-rear direction is positioned between the A column and the B column, and the position of the middle cross beam in the front-rear direction corresponds to the B column;
a top cover assembly is further arranged between the upper slat of the left side coaming and the upper slat of the right side coaming, the top cover assembly comprises a top cover and a lifting mechanism, one end of the top cover is abutted against the middle cross beam, the other end of the top cover extends backwards, one end of the lifting mechanism is connected with the top cover, and the other end of the lifting mechanism is connected with the left side coaming and the right side coaming to drive the top cover to lift;
the lower edges of the opposite side surfaces of the upper slat of the left side coaming and the upper slat of the right side coaming are respectively provided with a supporting part formed by opposite bulges, and the lower surface of the top cover is abutted with the upper surface of the supporting part;
the upper surface of the supporting part positioned behind the middle cross beam is provided with a water flowing groove extending backwards;
one end of the lifting mechanism is connected with the lower surface of the top cover, and the other end of the lifting mechanism is arranged in the water flowing groove;
the lifting mechanism adopts two four-bar mechanisms which are opposite left and right, the two four-bar mechanisms are respectively arranged between the top cover and the left side wall plate and between the top cover and the right side wall plate, and the four-bar mechanisms are driven by a motor; or the lifting mechanism adopts two groups of crossed electric telescopic rods, and the two groups of crossed electric telescopic rods are respectively arranged between the top cover and the left side wall plate and between the top cover and the right side wall plate.
2. The vehicle body structure with expandable interior according to claim 1, wherein: the middle cross beam comprises a middle cross beam outer plate and a middle cross beam inner plate which are arranged at intervals up and down, and the middle cross beam outer plate is connected with the middle cross beam inner plate through a partition plate.
3. The vehicle body structure with expandable interior according to claim 2, wherein: the cross sections of the middle beam outer plate and the middle beam inner plate are V-shaped, and the V-shaped areas of the middle beam outer plate and the middle beam inner plate are opposite; the cross section of the additional partition plate is diamond, the number of the additional partition plates is two, and the two additional partition plates are respectively connected at the left end and the right end between the middle beam outer plate and the middle beam inner plate.
4. The vehicle body structure with expandable interior according to claim 1, wherein: the front beam comprises a front beam outer plate and a front beam inner plate, and the front beam outer plate and the front beam inner plate are connected in an up-down laminating manner.
5. An automobile with expandable internal space, which is characterized in that: the automobile has an internal space-expandable body structure according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111654254.1A CN114274750B (en) | 2021-12-30 | 2021-12-30 | Vehicle body structure with expandable inner space and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111654254.1A CN114274750B (en) | 2021-12-30 | 2021-12-30 | Vehicle body structure with expandable inner space and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114274750A CN114274750A (en) | 2022-04-05 |
| CN114274750B true CN114274750B (en) | 2024-01-16 |
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| CN202111654254.1A Active CN114274750B (en) | 2021-12-30 | 2021-12-30 | Vehicle body structure with expandable inner space and automobile |
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| DE10237543A1 (en) * | 2002-08-16 | 2004-03-11 | Webasto Vehicle Systems International Gmbh | Motor vehicle roof has cover actuated by lift and displacement mechanisms, with lift mechanism having at least two-staged cascaded lever-cam curve gear and displacement mechanism connected to cover drive |
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| Publication number | Publication date |
|---|---|
| CN114274750A (en) | 2022-04-05 |
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