CN208616041U - Cabin skeleton structure, body structure and automobile - Google Patents
Cabin skeleton structure, body structure and automobile Download PDFInfo
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- CN208616041U CN208616041U CN201821191003.8U CN201821191003U CN208616041U CN 208616041 U CN208616041 U CN 208616041U CN 201821191003 U CN201821191003 U CN 201821191003U CN 208616041 U CN208616041 U CN 208616041U
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- vehicle body
- right vertical
- vertical beam
- fixedly connected
- left stringer
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Abstract
The utility model belongs to body mechanism technical field, is related to a kind of cabin skeleton structure, body structure and automobile.Cabin skeleton structure includes the left stringer of vehicle body, vehicle body right vertical beam, front wall crossbeam, the left stringer in bottom, bottom right vertical beam and bottom connecting cross beam, front wall crossbeam is fixedly connected on the left stringer of vehicle body and vehicle body right vertical beam, the left stringer in bottom and bottom right vertical beam are located between the left stringer of vehicle body and vehicle body right vertical beam, the front end of the left stringer in bottom and the front end of bottom right vertical beam are fixedly connected on front wall crossbeam, and bottom connecting cross beam is fixedly connected between the left stringer in bottom and bottom right vertical beam.Vehicle is when by head-on crash or offset collision; the cabin skeleton structure can make the diffusing on the left stringer of vehicle body, vehicle body right vertical beam, the left stringer in bottom and bottom right vertical beam of the uniform force of front wall crossbeam; be effectively relieved cabin skeleton structure left side and right side discontinuity caused by seat front beam in the violent variation of Z-direction, improve to the protectiveness of occupant.
Description
Technical field
The utility model belongs to body mechanism technical field, more particularly to a kind of cabin skeleton structure, body structure and
Automobile.
Background technique
Continuous improvement with consumer to the pay attention to day by day and collision safety laws and regulations requirement of automotive safety, auto vendor pair
The safety Design of automobile proposes increasingly higher demands.Primary load bearing structure of the cabin skeleton structure as car crass,
Should have by rationally deforming the function of absorbing collision energy and Dissipative Collisions power, achieve the purpose that mitigate occupant injury.
Therefore, whether the design of cabin skeleton structure is reasonable, becomes an important factor for influencing automotive crash safety.
The middle-size and small-size vehicle of major part on the market at present is limited by the welding procedure complexity of the bottom of cabin skeleton structure,
The bottom of cabin skeleton structure is not provided with perforation crossbeam or is set as rod-pulling type framework, which can be the bottom of to
Portion's battery plays protective action.But the structure, when being biased collision, the left side of cabin skeleton structure and right side stress pass
It passs unevenly, causes seat front beam acutely to change in Z-direction, biggish injury is caused to occupant.
Utility model content
The technical problem to be solved by the utility model is to stress passes when there is collision for existing cabin skeleton structure
Passing unevenly causes seat front beam the technical issues of Z-direction acutely changes, provide a kind of cabin skeleton structure, body structure and
Automobile.
In order to solve the above technical problems, on the one hand, the utility model embodiment provides a kind of cabin skeleton structure, including vehicle
The left stringer of body, vehicle body right vertical beam, front wall crossbeam, the left stringer in bottom, bottom right vertical beam and bottom connecting cross beam, the front wall crossbeam
It is fixedly connected on the left stringer of the vehicle body and the vehicle body right vertical beam, the left stringer in the bottom and bottom right vertical beam are located at described
Between the left stringer of vehicle body and the vehicle body right vertical beam, the front end of the left stringer in bottom and the front end of the bottom right vertical beam are fixed
Be connected on the front wall crossbeam, the bottom connecting cross beam be fixedly connected on the left stringer in the bottom and bottom right vertical beam it
Between.
Optionally, the bottom connecting cross beam is located at the rear of the front wall crossbeam on the front-rear direction of automobile.
Optionally, the cabin skeleton structure further includes the left mounting plate of subframe and the right mounting plate of subframe, the pair vehicle
The left mounting plate of frame is fixedly connected between the left stringer of the left stringer of the vehicle body and bottom along vehicle width direction, the right installation of subframe
Plate is fixedly connected between the vehicle body right vertical beam and bottom right vertical beam along vehicle width direction.
Optionally, the bottom connecting cross beam is the U-shaped beam that Open Side Down.
Optionally, the left end of the bottom connecting cross beam is provided with left flange, and the left flange is fixedly connected on the bottom
The lower surface of the left stringer in portion, the right end of the bottom connecting cross beam are provided with right flange, and the right flange is fixedly connected on described
The lower surface of bottom right vertical beam is provided with preceding flange extending along the width of the car, the bottom on front side of the bottom connecting cross beam
Rear flange extending along the width of the car is provided on rear side of portion's connecting cross beam, the preceding flange and rear flange are fixedly connected on precedingly
The lower surface of plate.
Optionally, the cabin skeleton structure further includes connecting plate, the left-hand door in connecting plate and right threshold in left-hand door sill
Connecting plate is fixedly connected between the left stringer of the vehicle body and left-hand door sill along vehicle width direction in sill, connecting plate edge in the right threshold
Vehicle width direction is fixedly connected between the vehicle body right vertical beam and right threshold；
Connecting plate is located at the outside of the left stringer of the vehicle body in the left-hand door sill, and connecting plate is located at described in the right threshold
The outside of vehicle body right vertical beam.
Optionally, the rear end of the left stringer in the bottom and the rear end of the bottom right vertical beam are located under seat front beam
Side.
On the other hand, the utility model embodiment provides cross before a kind of body structure, including preceding floor, front panel, seat
Beam and cabin skeleton structure as described above, the bottom end of the front panel is fixedly connected on the front end on the preceding floor, before described
It encloses crossbeam to be fixedly connected on the front side wall of the front panel, the left stringer of the vehicle body, vehicle body right vertical beam, the left stringer in bottom, bottom
Portion's right vertical beam and bottom connecting cross beam are fixedly connected on the lower surface on the preceding floor, and the seat front beam is fixedly connected on institute
State the upper surface on preceding floor.
Optionally, the body structure further includes battery pack, and it is left that the front end of the battery pack is fixedly connected on the bottom
On stringer and bottom right vertical beam.
Optionally, the bottom connecting cross beam, the left stringer in the bottom are located at the part at bottom connecting cross beam rear
And the bottom right vertical beam is located at the part formation accommodation space at bottom connecting cross beam rear, the battery packet portion accommodates
In in the accommodation space.
In another aspect, the utility model embodiment provides a kind of automobile, including cabin skeleton structure as described above.
According to the cabin skeleton structure of the utility model embodiment, front wall crossbeam is fixedly connected on the left stringer of vehicle body and vehicle
On body right vertical beam, before the left stringer in bottom and bottom right vertical beam between the left stringer of vehicle body and vehicle body right vertical beam are fixedly connected on
It encloses on crossbeam, is fixedly connected with bottom connecting cross beam between the left stringer in bottom and bottom right vertical beam, passes through bottom connecting cross beam
Subframe installation point can be connected, form firm power transmission channel.Vehicle, should when by head-on crash or offset collision
Cabin skeleton structure can advantageous transmitting front wall crossbeam stress, make the uniform force of front wall crossbeam to diffuse to a vehicle body left side vertical
On beam, vehicle body right vertical beam, the left stringer in bottom and bottom right vertical beam, it can effectively alleviate the left side and the right side of cabin skeleton structure in this way
Side seat front beam as caused by discontinuity is significantly reduced seat front beam in Z-direction in the violent variation of Z-direction
Deformation, to improve the protectiveness to occupant.
Detailed description of the invention
Fig. 1 is the perspective view for the cabin skeleton structure that an embodiment of the present invention provides；
Fig. 2 is the bottom view for the cabin skeleton structure that an embodiment of the present invention provides；
Fig. 3 is the cross-section diagram in Fig. 2 at A-A.
Appended drawing reference in specification is as follows:
1, the left stringer of vehicle body；2, vehicle body right vertical beam；3, front wall crossbeam；4, the left stringer in bottom；5, bottom right vertical beam；6, bottom
Connecting cross beam；61, preceding flange；62, rear flange；7, the left mounting plate of subframe；8, the right mounting plate of subframe；9, connection in left-hand door sill
Plate；10, connecting plate in right threshold；11, front panel；12, preceding floor.
Specific embodiment
The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below
In conjunction with accompanying drawings and embodiments, the utility model is described in further detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
As shown in Figure 1, Figure 2 and Figure 3, cabin skeleton structure provided by the embodiment of the utility model, including the left stringer of vehicle body
1, vehicle body right vertical beam 2, front wall crossbeam 3, the left stringer 4 in bottom, bottom right vertical beam 5 and bottom connecting cross beam 6, the front wall crossbeam 3
It is fixedly connected on the left stringer 1 of the vehicle body and the vehicle body right vertical beam 2, the left stringer 4 in the bottom and bottom right vertical beam 5 are located at
Between the left stringer 1 of vehicle body and the vehicle body right vertical beam 2, the front end of the left stringer 4 in bottom and the bottom right vertical beam 5
Front end is fixedly connected on the front wall crossbeam 3, and the bottom connecting cross beam 6 is fixedly connected on the left stringer 4 in the bottom and bottom
Between portion's right vertical beam 5.
According to the cabin skeleton structure of the utility model embodiment, by front wall crossbeam 3 be fixedly connected on the left stringer 1 of vehicle body and
On vehicle body right vertical beam 2, the left stringer 4 in bottom and bottom right vertical beam 5 between the left stringer 1 of vehicle body and vehicle body right vertical beam 2 are fixed
It is connected on front wall crossbeam 3, is fixedly connected with bottom connecting cross beam 6 between the left stringer 4 in bottom and bottom right vertical beam 5, passes through
Bottom connecting cross beam 6 can connect subframe installation point, form firm power transmission channel.Vehicle by head-on crash or
When offset collision, the cabin skeleton structure can it is advantageous transmitting front wall crossbeam 3 stress, make the uniform force of front wall crossbeam 3
It diffuses on the left stringer 1 of vehicle body, vehicle body right vertical beam 2, the left stringer 4 in bottom and bottom right vertical beam 5, can effectively alleviate cabin in this way
The left side and right side of skeleton structure seat front beam as caused by discontinuity are significantly reduced in the violent variation of Z-direction
Deformation of the seat front beam (not shown) in Z-direction, to improve the protectiveness to occupant.
As shown in Figures 1 and 2, in one embodiment, the bottom connecting cross beam 6 is located at institute on the front-rear direction of automobile
State the rear of front wall crossbeam 3.Can make in this way the stress of front wall crossbeam 3 it is evener diffuse to the left stringer 1 of vehicle body, vehicle body right vertical beam
2, on the left stringer 4 in bottom and bottom right vertical beam 5, it is further reduced deformation of the seat front beam in Z-direction, improves the guarantor to occupant
Shield property.
As shown in Figures 1 and 2, in one embodiment, the cabin skeleton structure further includes the left mounting plate 7 of subframe and pair
The right mounting plate 8 of vehicle frame, the left mounting plate 7 of subframe is fixedly connected on the left stringer 1 of the vehicle body along vehicle width direction and bottom is left
Between stringer 4, the right mounting plate 8 of subframe is fixedly connected on the vehicle body right vertical beam 2 and bottom right vertical beam 5 along vehicle width direction
Between.When vehicle is biased collision, the left side stress of cabin skeleton structure can be transmitted to by the left mounting plate 7 of subframe
On the left stringer 4 in bottom and bottom connecting cross beam 6, the right side stress of cabin skeleton structure can be passed by the right mounting plate 8 of subframe
It is delivered on bottom right vertical beam 5 and bottom connecting cross beam 6, transmits the stress of cabin skeleton structure more evenly, improve machine
The collision performance of cabin skeleton structure.
As shown in Figures 1 and 2, in one embodiment, the bottom connecting cross beam 6 is the U-shaped beam that Open Side Down.Bottom connects
Connecing crossbeam 6 is U-shaped beam, can increase bottom connecting cross beam 6 in this way along the section of vehicle width direction, the advantageous left stringer 4 in reduction bottom
And bottom right vertical beam 5 moves back, and is obviously improved deformation of the seat front beam in Z-direction, realizes the protective effect to occupant.Together
When, the rigidity of cabin skeleton structure can be improved in the U-shaped structure of bottom connecting cross beam 6, improves its collision performance.Further,
Battery pack can be partially accommodated in the U-shaped structure, improve the firm performance and occupied space of battery pack.
As shown in Figures 1 and 2, in one embodiment, the left end of the bottom connecting cross beam 6 is provided with left flange (in figure
Do not mark), the left flange is fixedly connected on the lower surface of the left stringer 4 in the bottom, and the right end of the bottom connecting cross beam 6 is set
It is equipped with right flange (not marked in figure), the right flange is fixedly connected on the lower surface of the bottom right vertical beam 5, and the bottom connects
The front side for connecing crossbeam 6 is provided with preceding flange 61 extending along the width of the car, and the rear side of the bottom connecting cross beam 6 is provided with along vehicle
The rear flange 62 that wide direction extends, the preceding flange 61 and rear flange 62 are fixedly connected on the lower surface on preceding floor 12.In this way, bottom
Portion's connecting cross beam 6 can be more firm be fixedly connected on preceding floor 12, the left stringer 4 in bottom and bottom right vertical beam 5, and make front deck bone
Frame structure stress transmits more evenly, improves the collision performance of front cabin skeleton structure.
As shown in Figures 1 and 2, in one embodiment, the cabin skeleton structure further includes connecting plate 9 and the right side in left-hand door sill
Connecting plate 10 in threshold, connecting plate 9 is fixedly connected on the left stringer 1 of the vehicle body and left-hand door sill along vehicle width direction in the left-hand door sill
Between (not marking in figure), connecting plate 10 is fixedly connected on the vehicle body right vertical beam 2 and the right side along vehicle width direction in the right threshold
Between threshold (not marked in figure).Connecting plate 9 is located at the outside of the left stringer 1 of the vehicle body, the right threshold in the left-hand door sill
Interior connecting plate 10 is located at the outside of the vehicle body right vertical beam 2.In this way, left-hand door sill are transmitted stress by connecting plate 9 in left-hand door sill
Onto the left stringer 1 of vehicle body, stress is transmitted on vehicle body right vertical beam 2 by right threshold by connecting plate 10 in right threshold, and a vehicle body left side is vertical
It is vertical by the left mounting plate 7 of subframe, the left stringer 4 in bottom, bottom connecting cross beam 6, bottom, right again between beam 1 and vehicle body right vertical beam 2
Beam 5 and the right mounting plate 8 of subframe mutually transmitting stress, to further increase the collision performance of cabin skeleton structure.
In one embodiment, the rear end of the left stringer 4 in the bottom and the rear end of the bottom right vertical beam 5 are located at cross before seat
The lower section of beam.By setting bottom connecting cross beam 6 between the left stringer 4 in bottom and bottom right vertical beam 5, make cabin skeleton structure stress
Transmitting is more evenly.The rear end of the left stringer 4 in bottom and the rear end of bottom right vertical beam 5 are located at the lower section of seat front beam, when cabin bone
Frame structure stress more evenly when, the power of seat front beam is transmitted to also more evenly, to reduce change of the seat front beam in Z-direction
Shape improves the safety of occupant.
In one embodiment, above-mentioned cabin skeleton structure is equal except all parts other than front anti-collision beam (not marking in figure)
By the way that an entirety is formed by welding, the welding manner of all parts is mainly spot welding, welding of the part by welding gun or space constraint
It is welded using carbon-dioxide arc welding position.The integral frame structure being formed by welding is bolted with front anti-collision beam.
Another embodiment of the utility model provides cross before a kind of body structure, including preceding floor 12, front panel 11, seat
Cabin skeleton structure described in beam and embodiment as above, before the bottom end of the front panel 11 is fixedly connected on the preceding floor 12
End, the front wall crossbeam 3 is fixedly connected on the front side wall of the front panel 11, the left stringer 1 of the vehicle body, vehicle body right vertical beam 2,
The left stringer 4 in bottom, bottom right vertical beam 5 and bottom connecting cross beam 6 are fixedly connected on the lower surface on the preceding floor 12, the seat
Front beam is fixedly connected on the upper surface on the preceding floor 12.
When the front wall crossbeam 3 of the body structure is hit, the front panel 11 that is forced through of front wall crossbeam 3 is transmitted to precedingly
Plate 12 and cabin skeleton structure, cabin skeleton structure can make stress more evenly be transmitted to preceding floor 12, preceding floor 12 again will
When stress is transmitted to seat front beam, make the stress of seat front beam more evenly, to reduce change of the seat front beam in Z-direction
It is dynamic, improve deformation of the seat front beam in Z-direction, improves the safety of occupant.
The body structure further includes battery pack, the front end of the battery pack be fixedly connected on the left stringer in the bottom 4 with
On bottom right vertical beam 5.In this way, can make battery pack is more stable to be fixed in front cabin skeleton structure, the stability of battery pack is improved.
The bottom connecting cross beam 6, the left stringer 4 in the bottom are located at part and the institute at 6 rear of bottom connecting cross beam
The part formation accommodation space that bottom right vertical beam 5 is located at 6 rear of bottom connecting cross beam is stated, the battery pack is partially accommodated in
In the accommodation space.Battery pack is contained in accommodation space, can improve the firm performance of battery pack, meanwhile, reduce battery pack
Occupied space.
Another embodiment of the utility model provides a kind of automobile, including cabin skeleton structure described in embodiment as above.
The automobile uses above-mentioned body structure, makes automobile when by preposition collision or offset collision, 3 stress of front wall crossbeam can be more evenly
Transmitting improve the security performance of occupant to reduce deformation quantity of the seat front beam in Z-direction.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (11)
1. a kind of cabin skeleton structure, which is characterized in that vertical including the left stringer of vehicle body, vehicle body right vertical beam, front wall crossbeam, a bottom left side
Beam, bottom right vertical beam and bottom connecting cross beam, the front wall crossbeam is fixedly connected on the left stringer of the vehicle body and the vehicle body is right
On stringer, the left stringer in bottom and the bottom right vertical beam between the left stringer of the vehicle body and the vehicle body right vertical beam,
The front end of the left stringer in bottom and the front end of the bottom right vertical beam are fixedly connected on the front wall crossbeam, and the bottom connects
Crossbeam is connect to be fixedly connected between the left stringer in the bottom and bottom right vertical beam.
2. cabin skeleton structure according to claim 1, which is characterized in that the bottom connecting cross beam is before and after automobile
It is located at the rear of the front wall crossbeam on direction.
3. cabin skeleton structure according to claim 1, which is characterized in that the cabin skeleton structure further includes subframe
Left mounting plate and the right mounting plate of subframe, the left mounting plate of subframe are fixedly connected on the left stringer of the vehicle body along vehicle width direction
Between the left stringer in bottom, the right mounting plate of subframe is fixedly connected on the vehicle body right vertical beam and bottom, right along vehicle width direction
Between stringer.
4. cabin skeleton structure according to claim 3, which is characterized in that the bottom connecting cross beam is what Open Side Down
U-shaped beam.
5. cabin skeleton structure according to claim 4, which is characterized in that the left end of the bottom connecting cross beam is provided with
Left flange, the left flange are fixedly connected on the lower surface of the left stringer in the bottom, the right end setting of the bottom connecting cross beam
There is right flange, the right flange is fixedly connected on the lower surface of the bottom right vertical beam, sets on front side of the bottom connecting cross beam
Be equipped with preceding flange extending along the width of the car, be provided on rear side of the bottom connecting cross beam it is extending along the width of the car after turn over
Side, the preceding flange and rear flange are fixedly connected on the lower surface on preceding floor.
6. cabin skeleton structure according to claim 1, which is characterized in that the cabin skeleton structure further includes left-hand door sill
Connecting plate in interior connecting plate and right threshold, connecting plate is fixedly connected on the left stringer of the vehicle body along vehicle width direction in the left-hand door sill
Between left-hand door sill, in the right threshold connecting plate along vehicle width direction be fixedly connected on the vehicle body right vertical beam and right threshold it
Between；
Connecting plate is located at the outside of the left stringer of the vehicle body in the left-hand door sill, and connecting plate is located at the vehicle body in the right threshold
The outside of right vertical beam.
7. cabin skeleton structure according to claim 1, which is characterized in that the rear end and the bottom of the left stringer in bottom
The rear end of portion's right vertical beam is located at the lower section of seat front beam.
8. a kind of body structure, which is characterized in that any one including preceding floor, front panel, seat front beam and claim 1-7
Cabin skeleton structure described in, the bottom end of the front panel is fixedly connected on the front end on the preceding floor, the front wall crossbeam
It is fixedly connected on the front side wall of the front panel, the left stringer of the vehicle body, vehicle body right vertical beam, the left stringer in bottom, bottom, right are vertical
Beam and bottom connecting cross beam are fixedly connected on the lower surface on the preceding floor, and the seat front beam is fixedly connected on the preceding ground
The upper surface of plate.
9. body structure according to claim 8, which is characterized in that the body structure further includes battery pack, the electricity
The front end of Chi Bao is fixedly connected on the left stringer in the bottom and bottom right vertical beam.
10. body structure according to claim 8, which is characterized in that the bottom connecting cross beam, the left stringer in the bottom
It is located at the part at bottom connecting cross beam rear positioned at the part at bottom connecting cross beam rear and the bottom right vertical beam
Accommodation space is formed, the battery pack is partially accommodated in the accommodation space.
11. a kind of automobile, which is characterized in that including cabin skeleton structure described in claim 1-7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191003.8U CN208616041U (en) | 2018-07-25 | 2018-07-25 | Cabin skeleton structure, body structure and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191003.8U CN208616041U (en) | 2018-07-25 | 2018-07-25 | Cabin skeleton structure, body structure and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208616041U true CN208616041U (en) | 2019-03-19 |
Family
ID=65707437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821191003.8U Active CN208616041U (en) | 2018-07-25 | 2018-07-25 | Cabin skeleton structure, body structure and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208616041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113682380A (en) * | 2020-05-18 | 2021-11-23 | 广州汽车集团股份有限公司 | Vehicle body front portion structure and vehicle |
-
2018
- 2018-07-25 CN CN201821191003.8U patent/CN208616041U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113682380A (en) * | 2020-05-18 | 2021-11-23 | 广州汽车集团股份有限公司 | Vehicle body front portion structure and vehicle |
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