CN217672847U - Car B post assembly and car - Google Patents
Car B post assembly and car Download PDFInfo
- Publication number
- CN217672847U CN217672847U CN202120648203.7U CN202120648203U CN217672847U CN 217672847 U CN217672847 U CN 217672847U CN 202120648203 U CN202120648203 U CN 202120648203U CN 217672847 U CN217672847 U CN 217672847U
- Authority
- CN
- China
- Prior art keywords
- force transmission
- transmission component
- force
- post
- transfer mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Body Structure For Vehicles (AREA)
Abstract
The utility model provides a car B post assembly and car, this car B post assembly include B post, threshold boundary beam and back beam closes the piece, the outside protrusion of B post lower extreme, just the threshold boundary beam is inwards sunken, and the two forms the interval, the assembly still includes force transfer mechanism, force transfer mechanism pass through the welding, respectively with the B post with threshold boundary beam fixed connection, and be located the B post with in the interval that the threshold boundary beam formed, force transfer mechanism is used for absorbing and transmitting produced strength when assaulting, through the force transfer mechanism who sets up, when the car receives the lateral impact force, the deformation takes place for the B post, extrudees force transfer mechanism simultaneously, leads to force transfer mechanism to absorb produced impact force when colliding for the impact force that produces when colliding obtains reducing, then force transfer mechanism transmits the threshold boundary beam of giving the force transfer mechanism contact, and the impact force transmission dispersion that produces when the threshold boundary beam will collide rapidly, thereby reduces the automobile body invasion volume.
Description
Technical Field
The utility model relates to an automotive technology field, in particular to car B post assembly and car.
Background
As the safety requirements of consumers on automobiles are gradually increased and the safety regulations of the industry are also stricter from version to version, the structural strength requirements of the automobile body directly related to the passive safety of passenger protection are higher and higher.
The automobile safety standard is strictly required version by version, and is particularly embodied in that the collision standard of the Chinese new vehicle evaluation code (C-NCAP) is improved version by version, for example, the weight of a side collision trolley is increased from 950kg to 1400kg in 2018 version C-NCAP comparison 2015 version, the ground clearance of the trolley is increased by 50mm, namely the bearing area of the trolley impacting a sill beam at the lower end of a B column of an automobile body is reduced in side collision, the collision strength is improved by 47.4%, the requirement on the automobile body strength is greatly improved, and in addition, the side collision of a new energy automobile is compared with 2018 version C-NCAP, the trolley collision is adjusted to be that the automobile impacts a steel column with the side surface of 29km/h and the diameter of 254mm (a fuel oil vehicle is impacted by 18 version side trolleys), so that the requirement on the automobile body strength is further improved.
Aiming at the severe collision of 2021 version C-NCAP side column collision on a vehicle body B column and a sill beam at the lower end of the B column, the structural strength and the collision force transmission mode of the traditional vehicle body B column lower end obviously have great risk at present, so that the new energy vehicle has lower score in the 2021 version C-NCAP side column collision, and the expectation of a consumer on the safety of the vehicle is not met.
SUMMERY OF THE UTILITY MODEL
Based on this, an object of the utility model is to provide a car B post assembly to reinforcing car side shock resistance reduces the automobile body invasion volume when colliding.
The utility model provides an automobile B post assembly, includes B post, threshold boundary beam and back beam closes the piece, the B post lower extreme is outside protrusion, just the threshold boundary beam is inside sunken, and the two forms the interval, the assembly still includes force transfer mechanism, force transfer mechanism pass through the welding, respectively with the B post with threshold boundary beam fixed connection, and be located the B post with in the interval that the threshold boundary beam formed, force transfer mechanism is used for absorbing and transmits produced strength when assaulting.
According to the utility model provides a car B post assembly, through the power transmission mechanism who sets up, when the car receives the lateral part impact force, deformation takes place for the B post, extrudees simultaneously power transmission mechanism, by produced impact force is absorbed when power transmission mechanism is to the collision for the impact force that produces when colliding obtains reducing, then power transmission mechanism transmits the impact force with the power transmission mechanism contact the threshold boundary beam, the impact force transmission dispersion that produces when the threshold boundary beam can be rapidly with the collision, thereby reduces the automobile body invasion volume.
Specifically, the force transmission mechanism comprises a first force transmission component which is in a shape like a Chinese character 'ji', an opening end of the first force transmission component is tightly attached to the lower portion of the B column and is fixed to the B column through welding, one side, opposite to the opening end, of the first force transmission component is fixed to the doorsill edge beam through welding, when the first force transmission component is arranged in a side collision mode, due to the fact that the impact is larger, the vehicle body is larger in invasion amount, the first force transmission component in the shape like the Chinese character 'ji' absorbs energy generated by impact to complete deformation, contact time is prolonged, the effect of reducing the impact is achieved, and accordingly the invasion amount of the vehicle body is reduced.
Specifically, the first force transmission component is provided with three lightening holes, the three lightening holes are respectively positioned on three side surfaces of the first force transmission component, the first force transmission component is also provided with first reinforcing grains, the first reinforcing grains are positioned on two side surfaces of the first component, and the weight increase of the vehicle body can be reduced through the lightening holes and the first reinforcing grains, so that the effects of light vehicle body and enhanced shock resistance of the vehicle body are achieved.
Specifically, the second force transmission member is square, the second force transmission member is located in the first force transmission member, the second force transmission member is in contact with three inner side faces of the first force transmission member, a plane where the second force transmission member is located is perpendicular to the three inner side faces of the first force transmission member, the second force transmission member is located at one end of the first force transmission member, more specifically, four sides of the second force transmission member extend upwards to form a skirt, the skirt on the second force transmission member is attached to the three inner side faces of the first force transmission member and fixed to the inner side face of the first force transmission member through welding, and the skirt is arranged so that the second force transmission member is tightly attached to the inner side face of the first force transmission member and perpendicular to the three side faces of the first force transmission member, and therefore the first force transmission member is not prone to deformation and can buffer larger impact force.
Specifically, the skirt edge is provided with a plurality of weight reduction notches, the second force transmission component is further provided with second reinforcing threads, the second reinforcing threads are parallel to the longitudinal axis of the second force transmission component, the weight of the second force transmission component can be reduced by arranging the weight reduction notches in the second force transmission component, and the second reinforcing threads can increase the compressive strength of the second force transmission component.
Another object of the present invention is to provide a vehicle, including the above-mentioned B-pillar assembly.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a B-pillar assembly of the present invention fixed to a vehicle body;
FIG. 2 is a schematic structural view of the B-pillar assembly of the present invention fixed to another view angle of the vehicle body;
fig. 3 is a schematic view of a partial structure of a B-pillar assembly of the present invention fixed to a sill edge beam;
fig. 4 is a schematic structural view of the force transmission mechanism of the present invention fixed to the sill edge beam;
fig. 5 is a schematic view of a cross-sectional structure of a force transmission mechanism of a B-pillar assembly of the present invention positioned in a groove of a sill edge beam;
fig. 6 is a schematic structural view of a force transmission mechanism according to the present invention;
fig. 7 is a schematic structural view of the rear cross member assembly of the present invention;
in the figure: column B; 20. a threshold edge beam; 30. a rear cross beam assembly; 40. a force transfer mechanism;
11. a first force transfer member; 12. a second force transfer member;
111. lightening holes; 112. a first reinforcing stripe;
121. a skirt edge; 122. a weight-reducing notch; 123. and a second reinforcing rib.
Detailed Description
In order to facilitate a better understanding of the invention, it will be further explained below with reference to the accompanying drawings of the related embodiments. The embodiments of the invention are shown in the drawings, but the invention is not limited to the preferred embodiments described above. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1 to 7, an embodiment of the present invention provides a B-pillar assembly for an automobile, including a B-pillar 10, a threshold boundary beam 20 and a rear cross beam assembly 30, wherein a lower end of the B-pillar 10 protrudes outward, the threshold boundary beam 20 protrudes inward, and forms an interval therebetween, the assembly further includes a force transmission mechanism 40, the force transmission mechanism 40 is fixedly connected to the B-pillar 10 and the threshold boundary beam 20 by welding, and is located in the interval formed by the B-pillar 10 and the threshold boundary beam 20, and the force transmission mechanism 40 is used for absorbing and transmitting a force generated during an impact.
Through the force transmission mechanism 40, when an automobile is impacted by a side part, the B column 10 deforms and simultaneously extrudes the force transmission mechanism 40, the impact force generated in the collision is absorbed by the force transmission mechanism 40, so that the impact force generated in the collision is reduced, then the force transmission mechanism 40 transmits the impact force to the doorsill edge beam 20 in contact with the force transmission mechanism 40, and the doorsill edge beam 20 can quickly transmit and disperse the impact force generated in the collision, so that the intrusion amount of the automobile body is reduced.
With reference to fig. 6, in particular, the force transmission mechanism includes a first force transmission member 11, the first force transmission member 11 is shaped like a Chinese character 'ji', an open end of the first force transmission member 11 is closely attached to a lower portion of the B-pillar 10 and is fixed to the B-pillar 10 by welding, a side of the first force transmission member 11 opposite to the open end is fixed to the rocker side sill 20 by welding, when the first force transmission member 11 is arranged in a side collision, the larger the impulse is, the larger the vehicle body is, and the energy generated by the impact is absorbed by the first force transmission member 11 shaped like a Chinese character 'ji' to complete deformation, so that the contact time is prolonged, and the effect of reducing the impulse is achieved, thereby reducing the vehicle body intrusion.
Specifically, the first force transmission member 11 is provided with three weight reduction holes 111, the three weight reduction holes 111 are respectively located on three side surfaces of the first force transmission member 11, the first force transmission member 11 is further provided with first reinforcing threads 112, the first reinforcing threads 112 are located on two side surfaces of the first member 11, and the weight increase of a vehicle body can be reduced through the weight reduction holes 111 and the first reinforcing threads 112, so that the effects of light vehicle body and enhanced shock resistance of the vehicle body are achieved.
Specifically, the second force transmission member 12 is square, the second force transmission member 12 is located in the first force transmission member 11, the second force transmission member 12 is in contact with three inner side surfaces of the first force transmission member 11, a plane of the second force transmission member 12 is perpendicular to the three inner side surfaces of the first force transmission member 11, the second force transmission member 12 is located at one end of the first force transmission member 11, more specifically, four sides of the second force transmission member 12 extend upward to form a skirt 121, the skirt 121 on the second force transmission member 12 is attached to the three inner side surfaces of the first member 11 and fixed to the inner side surfaces of the first member 11 by welding, and the skirt 121 is located such that the second force transmission member 12 is attached to the inner side surfaces of the first force transmission member 11 and perpendicular to the three side surfaces of the first force transmission member 11, so that the first force transmission member 11 is not easily deformed and can buffer a larger impact force.
Specifically, the skirt is provided with a plurality of weight-reducing notches 122, the second force transmission member 12 is further provided with second reinforcing threads 123, the second reinforcing threads 123 are parallel to the longitudinal axis of the second force transmission member 12, the weight of the second force transmission member 12 can be reduced by arranging the weight-reducing notches 122 on the second force transmission member 12, and the second reinforcing threads 123 can increase the compressive strength of the second force transmission member 12.
The working principle is as follows: when the side collision test is carried out, the trolley is impacted towards the tested trolley from the side, firstly, the B pillar 10 receives impact force, starts to deform and extrude the doorsill boundary beam 20, and transmits the impact force to the A pillar and the C pillar to form the diffusion of the impact force of the trolley from point to surface.
Due to the arrangement of the force transmission mechanism 40, when the B pillar 10 receives an impact force, the B pillar and the force transmission mechanism 40 are located on the same plane except for the a pillar and the C pillar, that is, the B pillar 10, the force transmission mechanism 40 and the rear beam assembly 30 are located on the same line and perpendicular to the plane where the a pillar and the C pillar are located, the B pillar 10 is deformed to press the first force transmission member 11 and the second force transmission member 12 in the force transmission mechanism 40, so that the first force transmission member 11 and the second force transmission member 12 are also deformed, and firstly, a part of the impact force generated by the side collision is absorbed, so that the impact force is reduced, and a part of the impact force is dispersed to the rear beam assembly 30 and absorbed by the rear beam assembly 30 during the deformation of the first force transmission member 11 and the second force transmission member 12, so that the side impact resistance of the tested vehicle is further reduced, and thus, the side impact resistance of the tested vehicle is improved.
Furthermore, another embodiment of the present invention further provides an automobile, which comprises the above automobile B-pillar assembly.
The above-described embodiments describe the technical principles of the present invention, and these descriptions are only for the purpose of explaining the principles of the present invention, and should not be interpreted as limiting the scope of the present invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive step, and these embodiments are all intended to fall within the scope of the present invention.
Claims (9)
1. The utility model provides an automobile B post assembly, includes B post, threshold boundary beam and back beam closes piece, its characterized in that: the assembly further comprises a force transmission mechanism, the force transmission mechanism is fixedly connected with the B column and the doorsill edge beam respectively through welding, the force transmission mechanism is located in the interval formed by the B column and the doorsill edge beam, and the force transmission mechanism is used for absorbing and transmitting impact force generated during impact.
2. The automotive B-pillar assembly of claim 1, wherein: the force transmission mechanism comprises a first force transmission component, the first force transmission component is in a shape like a Chinese character 'ji', the open end of the first force transmission component is tightly attached to the lower portion of the B column and fixed on the B column through welding, and one side, opposite to the open end, of the first force transmission component is fixed on the threshold boundary beam through welding.
3. The automotive B-pillar assembly of claim 2, wherein: the first force transmission component is provided with three lightening holes, and the three lightening holes are respectively positioned on three side surfaces of the first force transmission component.
4. The automotive B-pillar assembly of claim 2 or 3, wherein: first reinforcing grains are arranged on the first force transmission component and are located on two side faces of the first force transmission component.
5. The automotive B-pillar assembly of claim 2, wherein: the force transmission mechanism further comprises a second force transmission component, the second force transmission component is square, the second force transmission component is located in the first force transmission component and is in contact with three inner side faces of the first force transmission component, the plane where the second force transmission component is located and the three inner side faces of the first force transmission component are perpendicular to each other, and the second force transmission component is located at one end in the first force transmission component.
6. The automotive B-pillar assembly of claim 5, wherein: the four sides of the second force transmission component extend upwards to form a skirt edge, and the skirt edge on the second force transmission component is attached to three inner side faces of the first force transmission component and fixed on the inner side faces of the first force transmission component through welding.
7. The automotive B-pillar assembly of claim 6, wherein: the skirt edge is provided with a plurality of weight-reducing gaps.
8. The automotive B-pillar assembly of claim 5, wherein: the second force transfer member is also provided with second reinforcing threads parallel to the longitudinal axis of the second force transfer member.
9. An automobile, characterized in that: comprising the automotive B-pillar assembly of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120648203.7U CN217672847U (en) | 2021-03-30 | 2021-03-30 | Car B post assembly and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120648203.7U CN217672847U (en) | 2021-03-30 | 2021-03-30 | Car B post assembly and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217672847U true CN217672847U (en) | 2022-10-28 |
Family
ID=83701334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120648203.7U Active CN217672847U (en) | 2021-03-30 | 2021-03-30 | Car B post assembly and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217672847U (en) |
-
2021
- 2021-03-30 CN CN202120648203.7U patent/CN217672847U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6371540B1 (en) | Bumper beam for motor vehicles | |
| CN101585311B (en) | Automobile body collision reinforcement structure | |
| US20190256021A1 (en) | Crash structure for a vehicle | |
| CN110834673B (en) | Vehicle body assembly, vehicle, threshold roof beam reinforcement subassembly | |
| CN216861594U (en) | Automobile longitudinal beam with bending deformation resistance | |
| CN217672847U (en) | Car B post assembly and car | |
| CN111137233B (en) | Preceding crashproof roof beam assembly and car | |
| CN111231874B (en) | Front anti-collision beam assembly applied to car | |
| CN210971297U (en) | Framework structure of automobile front floor | |
| JP4577826B2 (en) | Bumper beam structure for vehicles | |
| CN210760616U (en) | Front anti-collision beam assembly structure | |
| CN106740621A (en) | A kind of automobile energy-absorbing device | |
| CN215284690U (en) | Automobile anti-collision beam assembly and vehicle | |
| CN213594222U (en) | Front anti-collision beam assembly structure of automobile | |
| CN211893120U (en) | Energy absorption assembly and automobile | |
| CN210554635U (en) | Anticollision roof beam assembly and car | |
| CN202163494U (en) | Automotive energy-absorbing beam structure | |
| CN211167100U (en) | Front longitudinal beam, vehicle body structure and automobile | |
| CN219838526U (en) | Vehicle body force transmission structure and vehicle | |
| CN213167964U (en) | Rear collision reinforcing device, rear collision reinforcing assembly structure and automobile | |
| WO2011108080A1 (en) | Vehicle front structure | |
| CN214450775U (en) | Front anti-collision beam structure of passenger car | |
| CN214165128U (en) | Flange plate mounting plate, collision reinforcing structure and automobile | |
| CN214189823U (en) | Reinforcing structure, threshold roof beam assembly and car | |
| CN213768723U (en) | Front structure of platform vehicle body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |