CN215475375U - Automobile B column assembly - Google Patents
Automobile B column assembly Download PDFInfo
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- CN215475375U CN215475375U CN202121080845.8U CN202121080845U CN215475375U CN 215475375 U CN215475375 U CN 215475375U CN 202121080845 U CN202121080845 U CN 202121080845U CN 215475375 U CN215475375 U CN 215475375U
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Abstract
The utility model discloses an automobile B-column assembly, which comprises a B-column outer plate and a B-column inner plate, wherein a cavity is formed between the B-column outer plate and the B-column inner plate; be provided with B post additional strengthening spare and B post planking reinforcing plate in the cavity, B post planking reinforcing plate welding is on B post planking, and is located locating hole on the planking and sets up between the planking lower weeping hole of B post planking lower part, has seted up hinge mounting hole on the back door on the B post planking reinforcing plate. The B post additional strengthening spare has the fine skeleton of the glass of nylon, and B post additional strengthening spare fixed connection is on the upper portion of B post inner panel, and on the lower border of B post additional strengthening spare was located the back door hinge mounting hole, the inboard of B post additional strengthening spare was glued through the outside of epoxy glue with B post inner panel, and epoxy glue is glued through the inboard of B post planking reinforcing plate and the inboard of B post planking in the outside of B post additional strengthening spare. The utility model can effectively improve the anti-top pressure performance and the anti-side impact performance of the B column and simultaneously reduce the weight of the vehicle body.
Description
Technical Field
The utility model relates to the technical field of automobile body parts, in particular to an automobile B column assembly.
Background
With the development of society, the requirement of people on the collision safety performance of automobiles is higher and higher, and a Chinese insurance automobile safety index (C-IASI for short) test evaluation system is formed under the guidance of China insurance industry association in 2017 by combining the China road traffic safety condition and the current situation of automobile market. In the chinese insurance automobile safety index management method (2020 edition), when the safety index of an occupant in an automobile is excellent, the evaluation of a side collision needs to be good or more, and the roof strength needs to be excellent. The bending resistance of the B-pillar plays a very important role in the safety of the vehicle, whether in roof strength or side impact situations. Under the jacking working condition, the B column needs to be prevented from being bent, so that the deformation of the passenger compartment is reduced; under the side collision working condition, the B column invasion speed and the invasion amount need to be reduced, and the passenger living space needs to be increased.
The existing method for improving the bending resistance of the B column mainly comprises the following steps: (1) the material grades of the B-column reinforcing plate and the B-column inner plate are improved, for example, the B-column reinforcing plate is made of ultra-high-strength steel, the material thicknesses of the B-column reinforcing plate and the B-column inner plate are increased, and the like; this method increases the weight of the vehicle body, and is not favorable for the weight reduction of the vehicle body. (2) A reinforcement structure of a conformal B-pillar reinforcement plate is added between the B-pillar reinforcement plate and the B-pillar inner plate; the method has no obvious effect of improving the bending deformation resistance of the B column and is not beneficial to the light weight of the automobile body. (3) Adopting laser tailor-welding of plates with different thicknesses on the B-pillar reinforcing plate or the B-pillar inner plate; this approach increases cost and tends to result in tearing of the B-pillar welds.
Disclosure of Invention
The utility model aims to provide an automobile B-pillar assembly, which effectively improves the anti-top pressure performance and the anti-side impact performance of a B-pillar and reduces the weight of an automobile body.
The automobile B-column assembly comprises a B-column outer plate and a B-column inner plate welded with the B-column outer plate, wherein a cavity is formed between the B-column outer plate and the B-column inner plate; the cavity is internally provided with a B column reinforcing structural member and a B column outer plate reinforcing plate, the B column outer plate reinforcing plate is welded on a B column outer plate and is positioned between an outer plate upper positioning hole and an outer plate lower leakage hole formed in the lower part of the B column outer plate, a rear door upper hinge mounting hole is formed in the B column outer plate reinforcing plate, the inner side and the outer side of the B column reinforcing structural member are both provided with nylon glass fiber frameworks, the B column reinforcing structural member is fixedly connected to the upper part of the B column inner plate, the lower edge of the B column reinforcing structural member is positioned above the rear door upper hinge mounting hole and close to the rear door upper hinge mounting hole, the inner side of the B column reinforcing structural member is bonded with the outer side of the B column inner plate through epoxy resin glue, and the outer side of the B column outer plate reinforcing plate is bonded with the inner side of the B column outer plate and the inner side of the B column outer plate through epoxy resin glue; the distribution density of the nylon glass fiber frameworks positioned at the upper part and the middle part of the B-column reinforced structural member is greater than that of the nylon glass fiber frameworks positioned at the lower part of the B-column reinforced structural member; the thickness of the nylon glass fiber framework positioned at the upper part and the middle part of the B-column reinforced structural member is greater than that of the nylon glass fiber framework positioned at the lower part of the B-column reinforced structural member.
Preferably, the thickness that is located the fine skeleton of the nylon glass of B post reinforced structure upper portion and middle part is 2.5mm, and the thickness that is located the fine skeleton of the nylon glass of B post reinforced structure lower part is 2.0 mm.
Preferably, a plurality of coating weep holes are formed around the nylon glass fiber framework, and the coating weep holes are respectively positioned at a plurality of intersections of the transverse ribs and the longitudinal ribs of the nylon glass fiber framework; and the middle part of the B column reinforcing structural member is provided with an electrophoresis hole.
Preferably, a structure card hole has respectively been seted up to B post additional strengthening's upper portion and lower part, a structure mounting hole has respectively been seted up at the corresponding position of B post inner panel, and B post additional strengthening cooperates and fixed connection on the upper portion of B post inner panel through the joint of two connection buckles and two structure card holes, structure mounting hole. The B-column reinforced structural member is fixedly connected with the B-column inner plate in a clamping manner, and the production and installation process is quicker.
Preferably, the position that B post reinforced structure's upper portion is close to the top surface has seted up two structure front seat belt height adjuster mounting holes, the structure locating hole has been seted up on B post reinforced structure's upper portion, structure front seat belt bolt fastening hole has been seted up at B post reinforced structure's middle part, the position that B post reinforced structure's lower part is close to the structure card hole has seted up the first hole of dodging of structure interior trim mounting point, the position that B post reinforced structure's lower part is close to the bottom surface has seted up structure interior trim mounting point second and dodges the hole, the structure locating hole be located structure front seat belt height adjuster mounting hole below and with the locating hole corresponds on the planking, structure front seat belt bolt fastening hole is located electrophoresis hole top. The parts, corresponding to the mounting holes of the two structural member front-row safety belts, on the B column inner plate are respectively provided with an inner plate front-row safety belt height adjuster mounting hole, the parts, corresponding to the structural member positioning holes, on the B column inner plate are provided with positioning holes on the inner plate, the parts, corresponding to the structural member front-row safety belt bolt fixing holes, on the B column inner plate are provided with inner plate front-row safety belt bolt fixing holes, the parts, corresponding to the first avoidance holes of the structural member interior trim mounting points, on the B column inner plate are provided with first avoidance holes of the interior trim mounting points, and the parts, corresponding to the second avoidance holes of the structural member interior trim mounting points, on the B column inner plate are provided with second avoidance holes of the interior trim mounting points.
Preferably, four outer plate upper liquid leakage holes are formed in the upper portion of the B column outer plate, one outer plate upper liquid leakage hole is located above the outer plate upper positioning hole, and the other three outer plate upper liquid leakage holes are longitudinally arranged below the outer plate upper positioning hole; and three reinforcing plate liquid leakage holes are formed in the positions, corresponding to the liquid leakage holes in the other three outer plates, of the reinforcing plate of the column B outer plate.
The utility model has the following effects:
(1) b post planking and B post inner panel welding together, B post planking reinforcing plate and B post planking welding together, B post reinforced structure fixed connection is on the upper portion of B post inner panel, when the coating stoving temperature reaches certain standard, epoxy glue foaming is with B post reinforced structure and B post inner panel, B post planking reinforcing plate and B post planking bond firmly together, B post cross sectional area has been increased, the bending resistance of B post subassembly has been strengthened, the anti roof pressure performance of B post subassembly has been improved, and automobile body weight has also been alleviateed.
(2) The B column reinforced structural member is divided into a plurality of pressure-resistant cavities by the nylon glass fiber framework; because the section of the upper section of the B column is smaller than that of the lower section of the B column due to modeling, and the bending resistance is poor, the distribution density and the thickness of nylon glass fiber frameworks positioned at the upper part and the middle part of the B column reinforcing structural member are larger, the bending rigidity of the upper part of the B column assembly is effectively improved, and the anti-jacking strength of the B column assembly is improved; the lower part of the B column needs to deform in a proper amount to absorb side collision energy so as to reduce the intrusion speed, therefore, the B column reinforcing structural member only achieves the position close to a hinge mounting hole on a rear door, the distribution density and the thickness of a nylon glass fiber framework on the lower part of the B column reinforcing structural member are smaller, the strength is reduced, the region from the upper end of the B column outer plate reinforcing plate to the hinge mounting hole on the rear door is the overlapping region of the B column reinforcing structural member and the B column outer plate reinforcing plate, the B column reinforcing structural member and the B column outer plate reinforcing plate are connected through epoxy resin glue, the strength in the middle of the B column is enhanced, the damage value of the B column to a dummy in side collision is reduced, and the side collision resistance of the B column assembly is improved. The B-pillar intrusion speed and intrusion amount are reduced in the side collision working condition, the passenger living space is increased, the automobile collision safety can be improved, and the B-pillar intrusion speed and intrusion amount can be used as a platform vehicle type structural member.
Drawings
Fig. 1 is an exploded view of the B-pillar assembly of the automobile according to the present embodiment.
Fig. 2 is an isometric view of the B-pillar reinforcement of this embodiment.
Fig. 3 is a schematic structural diagram of a B-pillar reinforcement structure in this embodiment.
Fig. 4 is a second schematic structural view of the B-pillar reinforcement structure of the present embodiment.
Fig. 5 is a schematic structural view of the B-pillar inner panel in the present embodiment.
FIG. 6 is a schematic structural view of the B-pillar outer panel reinforcement plate in the present embodiment.
Fig. 7 is a schematic structural view of the B-pillar outer panel in this embodiment.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The B-column assembly of the automobile shown in the figures 1 to 7 comprises a B-column outer plate 2, a B-column outer plate reinforcing plate 4, a B-column reinforcing structural part 1 and a B-column inner plate 3, wherein the B-column outer plate 2 and the B-column inner plate 3 are welded together through spot welding, and a cavity is formed between the B-column outer plate 2 and the B-column inner plate 3. The B-pillar outer plate reinforcing plate 4 and the B-pillar reinforcing structural member 1 are positioned in the cavity. Four outer plate upper liquid leakage holes 23 and an outer plate upper positioning hole 21 are formed in the upper portion of the B column outer plate 2, an outer plate lower liquid leakage hole 22 and an outer plate lower positioning hole 24 are formed in the lower portion of the B column outer plate 2, the outer plate upper liquid leakage hole 23 is located above the outer plate upper positioning hole 21, the other three outer plate upper liquid leakage holes 23 are longitudinally arranged below the outer plate upper positioning hole 21, and the outer plate lower liquid leakage hole 22 is located above the outer plate lower positioning hole 24. The B column outer plate reinforcing plate 4 is provided with two rear door upper hinge mounting holes 41 and three reinforcing plate liquid leakage holes 42 which are longitudinally arranged, the B column outer plate reinforcing plate 4 and the B column outer plate 2 are welded together through spot welding, the B column outer plate reinforcing plate 4 is positioned between the outer plate upper positioning hole 21 and the outer plate lower liquid leakage hole 22, and the three reinforcing plate liquid leakage holes 42 which are longitudinally arranged correspond to the liquid leakage holes 23 on the three outer plates which are longitudinally arranged respectively.
The B post reinforced structure 1 is injection moulding's working of plastics, and the inboard and the outside of the upper portion, middle part, the lower part of B post reinforced structure 1 all have the fine skeleton 11 of nylon glass. The distribution density of the nylon glass fiber frameworks 11 positioned at the upper part and the middle part of the B-pillar reinforced structural member 1 is greater than that of the nylon glass fiber frameworks 11 positioned at the lower part of the B-pillar reinforced structural member 1; the thickness that is located the fine skeleton of the nylon glass of 1 upper portion of B post reinforced structure and middle part is 2.5mm, and the thickness that is located the fine skeleton 11 of the nylon glass of 1 lower part of B post reinforced structure is 2.0 mm. The middle part of the B-pillar reinforcing structural member 1 is provided with an electrophoresis hole 13. A plurality of application weeping holes 12 have been seted up around the fine skeleton 11 of nylon glass, a plurality of application weeping holes 12 are located the fine skeleton 11 of nylon glass's of nylon horizontal muscle and a plurality of crossing departments of indulging the muscle respectively, application weeping hole 12 equals approximately for central angle about 90 fan-shaped hole, the application weeping hole can guarantee that the electrophoresis flows at night and can guarantee that the intensity of the fine skeleton of nylon glass does not reduce, cooperation electrophoresis hole 13, weeping hole 23 on the planking, weeping hole 22 and reinforcing plate weeping hole 42 under the planking, thereby guarantee B post inner panel 3, the corrosion protection of B post planking reinforcing plate 4 and B post planking 2.
The upper part of the B-pillar reinforced structural member 1 close to the top surface is provided with two structural member front safety belt height adjuster mounting holes 15, the upper part of the B-pillar reinforced structural member 1 is provided with a structural member positioning hole 16 and a structural member clamping hole 14, the middle part of the B-pillar reinforced structural member 1 is provided with a structural member front safety belt bolt fixing hole 17, the lower part of the B-pillar reinforced structural member 1 is provided with a structural member clamping hole 14, the lower part of the B-pillar reinforced structural member 1 close to the structural member clamping hole 14 is provided with a structural member interior trim mounting point first avoiding hole 18, the lower part of the B-pillar reinforced structural member 1 close to the bottom surface is provided with a structural member interior trim mounting point second avoiding hole 19, the structural member positioning hole 16 is positioned below the structural member front safety belt height adjuster mounting hole 15, the structure member front row safety belt bolt fixing holes 17 are positioned above the electrophoresis holes 13 above the structure member clamping holes 14.
The parts, corresponding to the two structural part clamping holes 14, of the B-pillar inner plate 3 are respectively provided with a structural part mounting hole 31, the parts, corresponding to the two structural part front safety belt height adjuster mounting holes 15, of the B-pillar inner plate 3 are respectively provided with an inner plate front safety belt height adjuster mounting hole 32, the parts, corresponding to the structural part positioning holes 16, of the B-pillar inner plate 3 are provided with inner plate upper positioning holes 33, the parts, corresponding to the structural part front safety belt bolt fixing holes 17, of the B-pillar inner plate 3 are provided with inner plate front safety belt bolt fixing holes 34, the parts, corresponding to the structural part inner decoration mounting point first avoiding holes 18, of the B-pillar inner plate 3 are provided with inner plate interior decoration mounting point first avoiding holes 35, and the parts, corresponding to the structural part interior decoration mounting point second avoiding holes 19, of the B-pillar inner plate 3 are provided with interior decoration mounting point second avoiding holes 36.
An inner plate lower positioning hole 37 is formed in the part of the B-pillar inner plate 3 corresponding to the outer plate lower positioning hole 24. The B-pillar reinforcing structural member 1 is fixedly connected to the upper part of the B-pillar inner plate 3 through the clamping fit of the two connecting buckles 5, the two structural member clamping holes 14 and the structural member mounting hole 31. The lower edge of the B-pillar reinforcing structural member 1 is positioned above the rear door upper hinge mounting hole 41 and close to the rear door upper hinge mounting hole 41, and the upper edge of the B-pillar outer panel reinforcing plate 4 is positioned below the structural member front seat belt bolt fixing hole 17 and close to the structural member front seat belt bolt fixing hole 17. Epoxy glue has been arranged at the position that trompil and the fine skeleton 11 of nylon glass were avoided to the inboard of B post reinforced structure 1, and epoxy glue has been arranged at the position that trompil and the fine skeleton 11 of nylon glass were avoided to the outside of B post reinforced structure 1. The inboard of B post additional strengthening structure 1 bonds through epoxy glue with the outside of B post inner panel 3, and the inboard of B post planking reinforcing plate 4 and the inboard bonding of B post planking 2 are glued through epoxy glue in the outside of B post additional strengthening structure 1.
The B-column reinforcing structure 4 is assembled and fixed on the B-column inner plate 3 in a welding workshop, electrophoresis is carried out along with a body-in-white, gaps are reserved among epoxy resin glue, the B-column inner plate 3, the B-column outer plate reinforcing plate 4 and the B-column outer plate 2 for electrophoresis liquid, when the coating and drying temperature reaches a certain standard, the epoxy resin glue is foamed, the B-column reinforcing structure 1 is firmly bonded with the B-column inner plate 3, the B-column outer plate reinforcing plate 4 and the B-column outer plate 2, and the anti-jacking performance of the B-column assembly is improved. The area between hinge mounting hole 41 and the structure front row safety belt bolt fixed orifices 17 on the back door is the coincidence zone of B post reinforced structure 1 and B post planking reinforcing plate 4, B post reinforced structure 1 passes through epoxy glue with B post planking reinforcing plate 4 and is connected, can strengthen the intensity at B post middle part, reduce the injury value of B post to dummy's rib in the side collision, B post reinforced structure 1 and B post planking reinforcing plate 4 produce the pulling force along its length direction at the hookup location at the side collision in-process, make B post subassembly can produce appropriate amount of deformation energy-absorbing, and prevent to warp too big or even cracked condition emergence, the anti side impact performance of B post subassembly has been improved.
Claims (6)
1. An automobile B-column assembly comprises a B-column outer plate (2) and a B-column inner plate (3) welded with the B-column outer plate (2), wherein a cavity is formed between the B-column outer plate (2) and the B-column inner plate (3); the method is characterized in that: be provided with B post additional strengthening spare (1) and B post planking reinforcing plate (4) in the cavity, welding of B post planking reinforcing plate (4) is on B post planking (2), and be located locating hole (21) on the planking and set up between weeping hole (22) under the planking of B post planking lower part, hinge mounting hole (41) on the back door has been seted up on B post planking reinforcing plate (4), the inboard and the outside of B post additional strengthening spare (1) all have fine skeleton (11) of nylon glass, B post additional strengthening spare (1) fixed connection is on the upper portion of B post inner panel (3), the lower border of B post additional strengthening spare (1) is located on the back door hinge mounting hole (41) and is close to hinge mounting hole (41) on the back door, the inboard of B post additional strengthening spare (1) bonds through epoxy glue and the outside of B post inner panel (3), the outside of B post additional strengthening spare (1) is through epoxy glue and the inboard of B post planking additional strengthening spare (4) and the outside of B post planking (2) Bonding the inner sides; the distribution density of the nylon glass fiber frameworks (11) positioned at the upper part and the middle part of the B-pillar reinforced structural member (1) is greater than that of the nylon glass fiber frameworks (11) positioned at the lower part of the B-pillar reinforced structural member (1); the thickness of the nylon glass fiber framework (11) positioned at the upper part and the middle part of the B-column reinforced structural member (1) is greater than that of the nylon glass fiber framework (11) positioned at the lower part of the B-column reinforced structural member (1).
2. The automotive B-pillar assembly of claim 1, wherein: the thickness of the nylon glass fiber framework (11) positioned at the upper part and the middle part of the B column reinforced structural member (1) is 2.5mm, and the thickness of the nylon glass fiber framework (11) positioned at the lower part of the B column reinforced structural member (1) is 2.0 mm.
3. The automotive B-pillar assembly of claim 1 or 2, characterized in that: a plurality of coating liquid leaking holes (12) are formed in the periphery of the nylon glass fiber framework (11), and the coating liquid leaking holes (12) are respectively located at a plurality of intersections of the transverse ribs and the longitudinal ribs of the nylon glass fiber framework (11); and the middle part of the B column reinforcing structural member (1) is provided with an electrophoresis hole (13).
4. The automotive B-pillar assembly of claim 3, wherein: a structure card hole (14) has respectively been seted up to the upper portion and the lower part of B post additional strengthening spare (1), a structure mounting hole (31) has respectively been seted up at the corresponding position of B post inner panel (3), B post additional strengthening spare (1) through the joint cooperation of two connect buckle (5) and two structure card holes (14), structure mounting hole (31) and fixed connection is on the upper portion of B post inner panel (3).
5. The automotive B-pillar assembly of claim 4, wherein:
the upper part of the B-pillar reinforced structural member (1) close to the top surface is provided with two structural member front safety belt height adjuster mounting holes (15), the upper part of the B-pillar reinforced structural member (1) is provided with a structural member positioning hole (16), the middle part of the B-pillar reinforced structural member (1) is provided with a structural member front safety belt bolt fixing hole (17), the lower part of the B-pillar reinforced structural member (1) close to the structural member clamping hole (14) is provided with a first avoidance hole (18) of a structural member interior trim mounting point, a second avoidance hole (19) of a structural member interior trim mounting point is formed in the lower portion, close to the bottom face, of the B-column reinforcing structural member (1), a structural member positioning hole (16) is located below a structural member front safety belt height adjuster mounting hole (15) and corresponds to a positioning hole (21) in the outer plate, and a structural member front safety belt bolt fixing hole (17) is located above the electrophoresis hole (13);
the part of the B-pillar inner plate (3) corresponding to the two structural member front row safety belt height adjuster mounting holes (15) is provided with an inner plate front row safety belt height adjuster mounting hole (32), the part of the B-pillar inner plate (3) corresponding to the structural member positioning hole (16) is provided with an inner plate upper positioning hole (33), the part of the B-pillar inner plate (3) corresponding to the structural member front row safety belt bolt fixing hole (17) is provided with an inner plate front row safety belt bolt fixing hole (34), the part of the B-pillar inner plate (3) corresponding to the structural member interior trim mounting point first avoiding hole (18) is provided with an inner plate interior trim mounting point first avoiding hole (35), and the part of the B-pillar inner plate (3) corresponding to the structural member interior trim second avoiding hole (19) is provided with an interior trim mounting point second avoiding hole (36).
6. The automotive B-pillar assembly of claim 5, wherein: four outer plate upper liquid leakage holes (23) are formed in the upper portion of the B column outer plate (2), one outer plate upper liquid leakage hole (23) is located above the outer plate upper positioning hole (21), and the other three outer plate upper liquid leakage holes (23) are longitudinally arranged below the outer plate upper positioning hole (21); and three reinforcing plate liquid leakage holes (42) are formed in the positions, corresponding to the liquid leakage holes (23) in the other three outer plates, of the B-column outer plate reinforcing plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121080845.8U CN215475375U (en) | 2021-05-20 | 2021-05-20 | Automobile B column assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121080845.8U CN215475375U (en) | 2021-05-20 | 2021-05-20 | Automobile B column assembly |
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| Publication Number | Publication Date |
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| CN215475375U true CN215475375U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121080845.8U Active CN215475375U (en) | 2021-05-20 | 2021-05-20 | Automobile B column assembly |
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| CN (1) | CN215475375U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115257933A (en) * | 2022-08-18 | 2022-11-01 | 奇瑞汽车股份有限公司 | Automobile body structure reinforcing rubber block |
| CN115973282A (en) * | 2023-02-19 | 2023-04-18 | 重庆赛力斯新能源汽车设计院有限公司 | B column assembly |
-
2021
- 2021-05-20 CN CN202121080845.8U patent/CN215475375U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115257933A (en) * | 2022-08-18 | 2022-11-01 | 奇瑞汽车股份有限公司 | Automobile body structure reinforcing rubber block |
| CN115973282A (en) * | 2023-02-19 | 2023-04-18 | 重庆赛力斯新能源汽车设计院有限公司 | B column assembly |
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