CN209870531U - Tubular beam type vehicle body structure and vehicle - Google Patents
Tubular beam type vehicle body structure and vehicle Download PDFInfo
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- CN209870531U CN209870531U CN201920586114.7U CN201920586114U CN209870531U CN 209870531 U CN209870531 U CN 209870531U CN 201920586114 U CN201920586114 U CN 201920586114U CN 209870531 U CN209870531 U CN 209870531U
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Abstract
The utility model provides a tubular beam formula body structure and vehicle relates to the vehicle field. The tubular beam type vehicle body structure includes a left side structure, a right side structure, and a connecting structure. The left side structure is including the top cap left side roof beam that connects gradually, the A post, stand under the A post, threshold boundary beam, stand and the B post form a confined structure under the B post, top cap left side roof beam sets up in the one side that is close to the roof, threshold boundary beam setting is in the one side that is close to the vehicle bottom under the threshold, one side that is close to the locomotive is being set up to stand under A post and the A post, one side that is close to the rear of a vehicle is being set up to stand under B post and the B post, still include threshold roof beam. The right structure is the same as the left structure and maintains axial symmetry with the left structure. The connecting structure is used for connecting the left side structure and the right side structure. All the tubular beams are connected by adopting a seam welding process to form a cage-shaped structure. When the vehicle is impacted on the side, the structure can reduce the impact force and improve the safety of the vehicle and passengers.
Description
Technical Field
The utility model relates to a vehicle field especially relates to a tubular beam formula body structure and vehicle.
Background
The conventional sheet metal structure is adopted in the conventional vehicle body side collision structure, and when a vehicle collides, the sheet metal structure has low collision energy absorption and buffering capacity, so that the vehicle collision safety coefficient is low. And the sheet metal structure is complex in design and heavy, so that the light weight requirement of the electric automobile cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an object of the first aspect is to provide a tubular beam formula body structure, overcome above-mentioned technical defect, the security is low problem when solving among the prior art vehicle collision.
The utility model discloses a further aim of first aspect is to solve the problem that body construction is heavy.
The utility model discloses the purpose of second aspect provides a vehicle.
According to the utility model discloses a first aspect, the utility model provides a tubular beam formula body structure, it includes: a left side structure, a right side structure that is identical to the left side structure and maintains axial symmetry with the left side structure, a connecting structure for connecting the left side structure and the right side structure, the left side structure, the right side structure and the connecting structure being made of tubular beams, wherein,
the left side structure includes:
the top cover left side beam is arranged on one side close to the roof;
the lower edge beam of the threshold is arranged at one side close to the bottom of the vehicle;
one end of the A column is connected with the left beam of the top cover and arranged on one side close to the vehicle head;
one end of the A-pillar lower upright post is connected with the other end of the A-pillar, and the other end of the A-pillar lower upright post is connected with the doorsill lower beam and arranged on one side close to the vehicle head;
one end of the B column is connected with the left beam of the top cover and arranged on one side close to the tail of the vehicle;
one end of the B-pillar lower upright post is connected with the other end of the B-pillar, and the other end of the B-pillar lower upright post is connected with the lower sill of the doorsill and arranged on one side close to the tail of the vehicle;
the doorsill upper boundary beam is arranged on one side, facing the top cover left boundary beam, of the doorsill lower boundary beam, and a closed space is limited between the doorsill upper boundary beam and the A column lower column, between the B column lower column and between the doorsill lower boundary beams.
Optionally, the connection structure comprises:
a plurality of first connecting beams for connecting the rocker roof side rail and a tubular beam symmetrical to the rocker roof side rail in the right side structure;
a plurality of second connection beams for connecting the roof left side beam and a tubular beam symmetrical to the roof left side beam in the right side structure;
a plurality of third connecting beams for connecting the rocker and a tubular beam that is symmetrical to the rocker in the right-side structure;
and at least one fourth connecting beam for connecting the B-pillar lower column and a tubular beam symmetrical to the B-pillar lower column in the right side structure.
Optionally, the left side structure further includes a plurality of reinforcing members disposed in the space, and any one of the plurality of reinforcing members is connected to at least any two of the rocker upper side sill, the pillar a lower column, the pillar B lower column, the rocker lower side sill, and the other reinforcing member.
Optionally, the left side structure, the right side structure and the connecting structure are connected in combination to form a plurality of force transmission channels.
Optionally, the left side structure, the right side structure and the connecting structure are connected by welding.
Optionally, the left side structure, the right side structure and each tubular beam in the connecting structure are connected by a seam welding process.
Optionally, the strength of each of the left side structure, the right side structure and the connecting structure ranges from 600Mpa to 900 Mpa.
Optionally, the wall thickness of each tubular beam in the left side structure, the right side structure and the connecting structure ranges from 1.5mm to 2.5 mm.
According to the second aspect of the present invention, the present invention also provides a vehicle having the tubular beam type vehicle body structure.
The utility model discloses in the left side structure the right side structure with all adopt the tubular beams structure among the connection structure, through intensity and the wall thickness of setting the tubular beams, the energy-absorbing characteristic of make full use of material, the collision buffer capacity of riser beam type automobile body has further improved the security when the vehicle collides.
The utility model discloses a thin-wall high-strength steel pipe beam structural design, simple structure, it is less to the molding restraint, with low costs, intensity is high, has realized electric automobile lightweight requirement to can effectively reduce development cost.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic side view of a tubular beam type vehicle body structure according to an embodiment of the present invention;
FIG. 2 is a schematic top view of a tubular beam body structure according to one embodiment of the present invention;
FIG. 3 is another schematic side view of a tubular beam body structure according to an embodiment of the present invention;
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 drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Fig. 1 is a schematic side view of a tubular beam type vehicle body structure according to an embodiment of the present invention, fig. 2 is a schematic top view of a tubular beam type vehicle body structure according to an embodiment of the present invention, and fig. 3 is another schematic side view of a tubular beam type vehicle body structure according to an embodiment of the present invention. 1-3, in one particular embodiment, the present invention provides a tube-beam vehicle body structure comprising: left side structure 1, right side structure 2 and connection structure 3. The left side structure, the right side structure and the connecting structure are made of tubular beams. Wherein, a top cover left side beam 1.11, an A column 1.1, an A column lower upright column 1.2, a threshold lower side beam 1.5, a B column lower upright column 1.7 and a B column 1.10 in the left side structure 1 are connected in sequence to form a closed structure. The roof left side rail 1.11 sets up the one side that is close to the roof, and threshold sill underbeam 1.5 sets up the one side that is close to the vehicle bottom. One end of the A column 1.1 is connected with the top cover left side beam 1.11 and is arranged on one side close to the vehicle head, one end of the A column lower upright column 1.2 is connected with the other end of the A column 1.1, and the other end of the A column lower upright column 1.2 is connected with the threshold lower side beam 1.5 and is arranged on one side close to the vehicle head. One end of the B-pillar 1.10 is connected with the top cover left side beam 1.11 and is arranged on one side close to the tail of the vehicle, one end of the B-pillar lower upright post 1.7 is connected with the other end of the B-pillar, and the other end of the B-pillar lower upright post 1.7 is connected with the threshold lower side beam 1.5 and is arranged on one side close to the tail of the vehicle. Still include threshold roof side rail 1.6 in the left side structure 1, set up in one side of threshold roof side rail 1.5 orientation top cap left side rail 1.11 under the threshold, 1.2 under threshold roof side rail 1.6 and the A post, 1.7 under the B post, a space is injectd between threshold roof side rail 1.5, the one end and the A post of threshold roof side rail 1.6 are connected down, the other end and the B post of threshold roof side rail 1.6 are connected for the stability of reinforced pipe beam formula body structure. The left side structure 1 further includes a plurality of reinforcing members 100 provided in a space defined between the rocker upper side sill 1.6 and the a-pillar lower pillar 1.2, the B-pillar lower pillar 1.7, and the rocker lower side sill 1.5, and any one of the reinforcing members 100 is connected to at least any two of the rocker upper side sill 1.6, the a-pillar lower pillar 1.2, the B-pillar lower pillar 1.7, the rocker lower side sill 1.5, and the other reinforcing member. The right structure 2 is identical to the left structure 1 and remains axially symmetrical to the left structure 1.
As shown in fig. 2 and see fig. 1. The connecting structure 3 is used to connect the left side structure 1 and the right side structure 2. The connection structure 3 includes: a plurality of first connecting beams 20, a plurality of second connecting beams 40, a plurality of third connecting beams 30 and at least one fourth connecting beam. A plurality of first tie-beams include seat front beam 3.1 and seat rear beam 3.5 for with threshold roof side rail 1.6 with in right side structure 2 with the tubular beams of threshold roof side rail 1.6 symmetry be connected, seat front beam 3.1 sets up in the one side that is close to the locomotive, seat rear beam 3.5 sets up in the one side that is close to the rear of a vehicle. A plurality of second tie-beams include top cap front beam 3.3 and top cap rear beam 3.4 for with top cap left side roof beam 1.11 with in right side structure 2 with the tubular beam connection of top cap left side roof beam 1.11 symmetry, top cap front beam 3.3 sets up in the one side that is close to the locomotive, top cap rear beam 3.4 sets up in the one side that is close to the rear of a vehicle. A plurality of third tie-beams include cabin front beam 3.2 and floor rear beam 3.6 for with threshold lower boundary beam 1.5 with in right side structure 2 with the tubular beams of threshold lower boundary beam 1.5 symmetry be connected, cabin front beam 3.2 sets up in the one side that is close to the locomotive, floor rear beam 3.6 sets up in the one side that is close to the rear of a vehicle. And the at least one fourth connecting beam is a rear cross beam 3.7 of the passenger compartment, is arranged on one side close to the tail of the vehicle and is used for connecting the B-column lower upright post 1.7 with a pipe beam symmetrical to the B-column lower upright post 1.7 in the right side structure 2.
In another embodiment, the plurality of stiffeners 100 includes two sill vertical stiffeners 1.4 and sill lateral stiffeners 1.3. One end of each of the two vertical threshold reinforcements 1.4 is connected with the upper threshold side beam 1.6, and the other end of each of the two vertical threshold reinforcements is connected with the lower threshold side beam 1.5, so that the vertical stability of the vehicle is enhanced. One end of the transverse doorsill reinforcement 1.3 is connected with the lower upright post 1.2 of the A column, and the other end of the transverse doorsill reinforcement is connected with the vertical doorsill reinforcement close to the vehicle head in the two vertical doorsill reinforcements 1.4, so that the transverse stability of the vehicle is enhanced.
The left side structure also comprises a rear longitudinal beam 1.8 and a rear wheel casing upper edge beam 1.9. The rear longitudinal beam 1.8 is connected with a rear cross beam 3.7 of the passenger compartment and arranged towards the tail of the vehicle along the vehicle length direction, and the upper edge beam 1.9 of the rear wheel cover is connected with the B column 1.10 and arranged towards the tail of the vehicle along the vehicle length direction.
In a preferred embodiment, the present invention provides a tubular beam in a tubular beam type vehicle body structure, wherein the selected strength range of the tubular beam is as follows: 600-900 Mpa, the selected wall thickness range is: 1.5mm-2.5mm, the energy absorption characteristic of the material and the collision buffer capacity of the riser beam type vehicle body can be fully utilized, and the safety of the vehicle in collision is further improved.
The utility model discloses a tubular beam formula body structure all adopts thin-walled high-strength steel tubular beams, through welding mode and adoption seam welding technology interconnect between each tubular beam in left side structure 1, right side structure 2 and connection structure 3, and this kind of welding mode is more firm, more pleasing to the eye.
In a specific embodiment, when the left side surface of the vehicle is collided, collision force forms three force transmission paths along the lower side beam 1.5 and the upper side beam 1.6 of the doorsill along three directions of the head, the width and the tail of the vehicle. As shown in fig. 3, the direction of the arrow in fig. 3 is the force transmission direction. And referring to fig. 1 and 2, the force transmission path of the collision force in the direction of the vehicle head is: firstly, the collision force is transmitted to one side close to the vehicle head along the lower side beam 1.5 of the vehicle door sill and the upper side beam 1.6 of the vehicle door sill in the direction of the vehicle head, then is sequentially transmitted to the lower pillar 1.2 of the A pillar and the A pillar 1.1 in the direction of the vehicle height, and finally is dispersed into two collision forces on one side of the A pillar close to the vehicle head, one collision force is transmitted to the front cross beam 3.3 of the top cover, and the other collision force is transmitted to the left side beam 1.11 of the top cover. The force transmission path of the collision force along the tail direction of the vehicle is as follows: and the collision force is transmitted to one side close to the tail direction of the vehicle along the lower edge beam 1.5 and the upper edge beam 1.6 of the threshold along the lower edge beam of the threshold, then is sequentially transmitted to the lower column 1.7 and the B column 1.10 of the B column along the height direction of the vehicle, and finally is dispersed into two collision forces on one side of the B column close to the roof, one collision force is transmitted to the rear cross beam 3.4 of the top cover, and the other collision force is transmitted to the left edge beam 1.11 of the top cover. The force transmission path of the collision force along the vehicle width direction is as follows: and thirdly, the collision force is simultaneously transmitted to the front cross beam 3.2 of the engine room, the front cross beam 3.1 of the seat, the rear cross beam 3.5 of the seat, the rear cross beam 3.6 of the floor and the rear cross beam 3.7 of the passenger compartment through the lower edge beam 1.5 of the threshold and the upper edge beam 1.6 of the threshold, so that the collision force is transmitted to the right side of the vehicle. Conversely, when the right side surface of the vehicle is collided, the collision force is also transmitted from the right side structure 3 to the left side of the vehicle from three force transmission paths corresponding to those in the left side structure. Therefore, the utility model provides a pair of tubular beam formula body construction can make the transmission path of collision force form the closed loop, and "cage" formula structure promptly makes vehicle moving as a whole when the collision takes place, reduces the impact that the vehicle received collision one side, has reached the purpose that improves vehicle collision security, has reduced the injury that side impact brought for vehicle and passenger.
The utility model discloses a thin-wall high-strength steel pipe beam structural design, simple structure, it is less to the molding restraint, with low costs, intensity is high, has realized electric automobile lightweight requirement to can effectively reduce development cost.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (9)
1. A tube-beam vehicle body structure characterized by comprising: a left side structure, a right side structure that is identical to the left side structure and maintains axial symmetry with the left side structure, a connecting structure for connecting the left side structure and the right side structure, the left side structure, the right side structure and the connecting structure being made of tubular beams, wherein,
the left side structure includes:
the top cover left side beam is arranged on one side close to the roof;
the lower edge beam of the threshold is arranged at one side close to the bottom of the vehicle;
one end of the A column is connected with the left beam of the top cover and arranged on one side close to the vehicle head;
one end of the A-pillar lower upright post is connected with the other end of the A-pillar, and the other end of the A-pillar lower upright post is connected with the doorsill lower beam and arranged on one side close to the vehicle head;
one end of the B column is connected with the left beam of the top cover and arranged on one side close to the tail of the vehicle;
one end of the B-pillar lower upright post is connected with the other end of the B-pillar, and the other end of the B-pillar lower upright post is connected with the lower sill of the doorsill and arranged on one side close to the tail of the vehicle;
the doorsill upper boundary beam is arranged on one side, facing the top cover left boundary beam, of the doorsill lower boundary beam, and a closed space is limited between the doorsill upper boundary beam and the A column lower column, between the B column lower column and between the doorsill lower boundary beams.
2. The structure of claim 1, wherein the connecting structure comprises:
a plurality of first connecting beams for connecting the rocker roof side rail and a tubular beam symmetrical to the rocker roof side rail in the right side structure;
a plurality of second connection beams for connecting the roof left side beam and a tubular beam symmetrical to the roof left side beam in the right side structure;
a plurality of third connecting beams for connecting the rocker and a tubular beam that is symmetrical to the rocker in the right-side structure;
and at least one fourth connecting beam for connecting the B-pillar lower column and a tubular beam symmetrical to the B-pillar lower column in the right side structure.
3. The structure according to claim 1, wherein the left side structure further comprises a plurality of reinforcing members provided in the closed space, and any one of the plurality of reinforcing members is connected to at least any two of the rocker upper side sill, the a-pillar lower pillar, the B-pillar lower pillar, the rocker lower side sill, and the other reinforcing member.
4. The structure of claim 1 or 2, wherein the respective tubular beams of the left side structure, the right side structure and the connecting structure are connected in combination to form a plurality of force transmission channels.
5. The structure of claim 1, wherein welded connections are used between the tubular beams in the left side structure, the right side structure and the connecting structure.
6. The structure of claim 1, wherein the left side structure, the right side structure, and the connecting structure are connected by a seam welding process.
7. The structure of claim 1, wherein each of the tubular beams in the left side structure, the right side structure, and the connecting structure has a strength in a range of 600Mpa to 900 Mpa.
8. The structure of claim 1, wherein each tubular beam in the left side structure, the right side structure, and the connecting structure has a wall thickness in a range of 1.5mm to 2.5 mm.
9. A vehicle characterized by having a tubular beam body structure according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920586114.7U CN209870531U (en) | 2019-04-26 | 2019-04-26 | Tubular beam type vehicle body structure and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920586114.7U CN209870531U (en) | 2019-04-26 | 2019-04-26 | Tubular beam type vehicle body structure and vehicle |
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| CN209870531U true CN209870531U (en) | 2019-12-31 |
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| CN201920586114.7U Active CN209870531U (en) | 2019-04-26 | 2019-04-26 | Tubular beam type vehicle body structure and vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11130527B2 (en) * | 2019-04-11 | 2021-09-28 | Hyundai Motor Company | Vehicle body |
| CN115071834A (en) * | 2022-06-07 | 2022-09-20 | 东风柳州汽车有限公司 | Automobile front door frame structure and automobile |
-
2019
- 2019-04-26 CN CN201920586114.7U patent/CN209870531U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11130527B2 (en) * | 2019-04-11 | 2021-09-28 | Hyundai Motor Company | Vehicle body |
| CN115071834A (en) * | 2022-06-07 | 2022-09-20 | 东风柳州汽车有限公司 | Automobile front door frame structure and automobile |
| CN115071834B (en) * | 2022-06-07 | 2023-06-09 | 东风柳州汽车有限公司 | Automobile front door frame structure and automobile |
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