CN211519662U - B-pillar and threshold beam assembly structure - Google Patents
B-pillar and threshold beam assembly structure Download PDFInfo
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- CN211519662U CN211519662U CN201922464455.XU CN201922464455U CN211519662U CN 211519662 U CN211519662 U CN 211519662U CN 201922464455 U CN201922464455 U CN 201922464455U CN 211519662 U CN211519662 U CN 211519662U
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Abstract
The utility model relates to a B post and threshold roof beam assembly structure, it includes B post subtotal threshold roof beam part, B post subtotal threshold roof beam part welding is integral structure, B post part includes B post reinforcing plate upper plate, the B post reinforcing plate tubular beam body of being connected with B post reinforcing plate upper plate and connect in the B post reinforcing plate hypoplastron of B post reinforcing plate tubular beam body lower extreme, threshold roof beam part includes threshold roof beam anterior segment tubular beam body, connect in the A post lower corner reinforcing plate of threshold roof beam anterior segment tubular beam body one end and connect in the threshold roof beam back end reinforcing plate of threshold roof beam anterior segment tubular beam body other end, B post reinforcing plate tubular beam body and threshold roof beam anterior segment tubular beam body are the cavity structure that the wall thickness is no longer than 2.0mm, B post reinforcing plate hypoplastron, a post lower corner reinforcing plate and threshold roof beam back end reinforcing plate lower extreme are all cut a formation notch at the interval. The utility model discloses a B post and threshold roof beam assembly structure has simple structure, matter characteristics light, that intensity is high.
Description
Technical Field
The utility model relates to a new energy automobile technical field, in particular to B post and threshold roof beam assembly structure.
Background
Along with the development of society and the higher and higher requirements of people on the safety performance of automobiles, the higher and higher requirements of people on the collision of automobile bodies are, and along with the continuous improvement of economic strength and technical level, automobile manufacturers pay more and more attention to the integral manufacturing cost and production efficiency of the automobile bodies.
Generally, an automobile body of an automobile is sequentially provided with three columns, namely an A column, a B column and a C column from front to back, the three columns are used for protecting the personal safety of passengers in a cab, and particularly the B column plays a vital role in protecting the passengers in the cab when the automobile is laterally collided.
A B column and a threshold assembly on the body of a traditional automobile are partially provided with a large metal plate reinforcing plate mechanism, energy conservation and emission reduction become important problems in the world at present due to more and more severe energy and environmental problems, and the light weight of the automobile becomes a trend. At present, in the known B-pillar and threshold reinforcing plate tubular beam assembly structure, in order to ensure the structural requirements, the B-pillar and threshold assembly sheet metal structure die has higher cost and larger weight, and cannot meet the requirements of efficient production and light weight.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, matter are light, the high B post of intensity and threshold roof beam assembly structure.
In order to achieve the above object, the utility model provides a following technical scheme: a B-pillar and rocker beam assembly structure includes a B-pillar portion and a rocker beam portion connected to the B-pillar portion, the B-pillar part and the threshold beam part are welded into an integrated structure, the B-pillar part comprises a B-pillar reinforcement plate upper plate, a B-pillar reinforcement plate tubular beam body connected with the B-pillar reinforcement plate upper plate and a B-pillar reinforcement plate lower plate connected to the lower end of the B-pillar reinforcement plate tubular beam body, the threshold beam part comprises a threshold beam front section tubular beam body, an A-pillar lower corner reinforcing plate connected with one end of the threshold beam front section tubular beam body and a threshold beam rear section reinforcing plate connected with the other end of the threshold beam front section tubular beam body, the B-pillar reinforcing plate tubular beam body and the threshold beam front section tubular beam body are both of cavity structures with the wall thickness not more than 2.0mm, and the lower end of the B-pillar reinforcing plate lower plate, the A-pillar lower corner reinforcing plate and the lower end of the threshold beam rear section reinforcing plate are cut off at intervals to form notches.
The B-pillar reinforcing plate tubular beam body and the threshold beam front section tubular beam body are both of circular tube structures with circular cross sections, and the diameters of the circular tubes are not more than 32 mm.
The lower end of the B-column reinforcing plate upper plate is provided with an upper plate concave part, the upper end of the B-column reinforcing plate lower plate is provided with a lower plate concave part, and the upper plate concave part and the lower plate concave part are respectively connected with two ends of the B-column reinforcing plate tubular beam body.
The upper plate of the B-column reinforcing plate and the lower plate of the B-column reinforcing plate are both provided with a convex area.
The front part of the A-pillar lower corner reinforcing plate is provided with a front concave part, the front concave part is used for placing the front end of the doorsill beam front section tubular beam body and performing welding connection, the lower part of the B-pillar reinforcing plate is provided with a connecting concave part, the connecting concave part is used for placing the middle part of the doorsill beam front section tubular beam body and performing welding connection, the front part of the doorsill beam rear section reinforcing plate is provided with a rear concave part, and the rear concave part is used for placing the rear end of the doorsill beam front section tubular beam body and performing welding connection.
The thickness of the A-pillar lower corner reinforcing plate and the thickness of the doorsill beam rear-section reinforcing plate are not more than 1.2 mm.
The B-pillar and threshold beam assembly structure further comprises a side wall outer plate reinforcing plate assembly assembled with the B-pillar reinforcing plate upper plate and the A-pillar lower corner reinforcing plate and a side wall inner plate reinforcing plate assembly assembled with the B-pillar reinforcing plate upper plate and the B-pillar reinforcing plate lower plate.
Compared with the prior art, the beneficial effects of the utility model are that: 1. according to the B-pillar and threshold beam assembly structure, the B-pillar reinforcing plate tubular beam body adopts a circular tubular product to replace a stamping sheet metal part as a sheet metal reinforcing plate, so that the weight of the B-pillar and threshold beam assembly structure is greatly reduced, and the production efficiency is high; 2. in the B-pillar and threshold beam assembly structure, two ends of the B-pillar reinforcing plate tubular beam body are respectively connected with the B-pillar reinforcing plate upper plate and the B-pillar reinforcing plate lower plate, so that the strength of the B-pillar and threshold beam assembly structure is improved; 3. the structure of the B-pillar and threshold beam assembly reduces the structure in the middle of the threshold beam part connected with the B-pillar part in the preparation process, and simplifies the production process; 4. the thickness of the plate and the pipe beam is limited, so that the weight of the B-pillar and threshold beam assembly structure is reduced, and the condition that the weight of the B-pillar and threshold beam assembly structure is too heavy and does not meet the requirement of light weight is avoided; 5. a lower plate of the B-pillar reinforcing plate, a lower corner reinforcing plate of the A-pillar and the lower end of the sill beam rear section reinforcing plate are cut at intervals to form notches, so that the weight is favorably reduced.
Drawings
FIG. 1 is a schematic view of a B-pillar and rocker beam assembly structure (without the quarter outer panel);
FIG. 2 is a structural schematic view of the entirety of the B-pillar and rocker assembly structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 2, the present invention relates to a B-pillar and threshold beam assembly structure, which includes a B-pillar portion 10 and a threshold beam portion 20 connected to the B-pillar portion 10. The B-pillar portion 10 and the rocker beam portion 20 are of an integral structure and are joined by a form of welding. This embodiment adopts two kinds of adapting unit of bent tubular beams and punching press sheet metal component, compares in the single sheet metal construction of general reinforcing plate and has higher production efficiency.
Referring to fig. 1, the B-pillar section 10 includes a B-pillar stiffener upper 1, a B-pillar stiffener tubular beam body 2 connected to the B-pillar stiffener upper 1, and a B-pillar stiffener lower 3 connected to a lower end of the B-pillar stiffener tubular beam body 2. The lower end of the B-column reinforcing plate upper plate 1 is provided with an upper plate concave part 11 for placing the upper end of the B-column reinforcing plate tubular beam body 2 for welding connection. The upper end of the B-column reinforcing plate lower plate 3 is provided with a lower plate concave part 21 for placing the lower end of the B-column reinforcing plate tubular beam body 2 for welding.
In this embodiment, the B-pillar reinforcement plate upper plate 1 and the B-pillar reinforcement plate lower plate 3 are provided with the protruding regions 12, which can increase the connection surfaces at the two ends of the B-pillar reinforcement plate tubular beam body 2, so that the B-pillar reinforcement plate tubular beam body 2 is connected and dispersed to the two positions of the B-pillar reinforcement plate upper plate 1 and the B-pillar reinforcement plate lower plate 3, and the bending resistance and the strength of the B-pillar reinforcement plate tubular beam body 2 are enhanced.
Referring to fig. 1, the rocker beam portion 20 includes a rocker beam front section tubular beam body 4, an a-pillar lower corner gusset 5 connected to one end of the rocker beam front section tubular beam body 4, and a rocker beam rear section gusset 6 connected to the other end of the rocker beam front section tubular beam body 4. The front part of the A-pillar lower corner reinforcing plate 5 is provided with a front concave part 30 for placing the front end of the sill beam front section tubular beam body 4 for welding. The lower part of the B-pillar reinforcing plate lower plate 3 is provided with a connecting concave part 31 for placing the middle part of the sill beam front section tubular beam body 4 and carrying out welding connection. The front part of the sill beam rear section reinforcing plate 6 is provided with a rear concave part 32 for placing the rear end of the sill beam front section tubular beam body 4 and welding. Further, the B-pillar reinforcement plate tubular beam body 2 and the threshold beam front section tubular beam body 4 are both of a cavity structure. The B-pillar reinforcing plate tubular beam body 2 and the threshold beam front section tubular beam body 4 both adopt circular round tube structures with round sections, and the two ends of each round tube are of non-bending structures. The circular section bar of adoption order bending has broken through the unable restriction that reduces part development cost and lightweight of ordinary vehicle.
As shown in FIG. 2, the B-pillar and rocker beam assembly structure further includes a side outer panel reinforcement assembly 40 assembled with the B-pillar reinforcement upper panel 1 and the A-pillar lower corner reinforcement panel 5, and a side inner panel reinforcement assembly 50 assembled with the B-pillar reinforcement upper panel 1 and the B-pillar reinforcement lower panel 3.
In the utility model, the thickness of the upper plate 1 of the B-column reinforcing plate and the thickness of the lower plate 3 of the B-column reinforcing plate are not more than 1.2mm, the thickness of the tube beam body 2 of the B-column reinforcing plate is not more than 2.0mm, and the diameter is not more than 32 mm; the thickness of the A-pillar lower corner reinforcing plate 5 and the thickness of the threshold beam rear section reinforcing plate 6 are not more than 1.2mm, the thickness of the threshold beam front section tubular beam body 4 is not more than 2.0mm, and the diameter is not more than 32 mm. Through to panel, tubular beams thickness restriction, be favorable to alleviateing the weight of B post and threshold roof beam assembly structure, avoid B post and threshold roof beam assembly structure overweight to be not conform to the lightweight requirement.
The utility model discloses in B post reinforcing plate tubular beams body 2 and threshold roof beam anterior segment tubular beams body 4 both sides limit are provided with a plurality of plug weld slotted holes (not shown). The setting of plug welding slotted hole can increase the welded joint point when B post stiffening plate tubular beams body 2 and threshold roof beam anterior segment tubular beams body 4 welds, makes the tubular beams can increase welding area, strengthens the joint strength of B post stiffening plate tubular beams body 2 and threshold roof beam anterior segment tubular beams body 4. A notch 51 is formed by cutting the lower ends of the B-pillar reinforcing plate lower plate 3, the A-pillar lower corner reinforcing plate 5 and the threshold beam rear section reinforcing plate 6 at intervals, and weight is reduced.
Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has:
1. the utility model discloses in B post and threshold roof beam assembly structure, B post reinforcing plate tubular beams body 2 adopt circular tubular product to replace the punching press sheet metal component as the panel beating reinforcing plate, greatly reduced the weight of B post and threshold roof beam assembly structure, production efficiency is high moreover, can reduce the production beat effectively.
2. The utility model discloses in B post and threshold roof beam assembly structure, 2 both ends of B post reinforcing plate tubular beam body are connected with B post reinforcing plate upper plate 1 and B post reinforcing plate hypoplastron 3 respectively, have improved the intensity of B post and threshold roof beam assembly structure.
3. The utility model discloses in B post and threshold beam assembly structure, the structure in the middle of the threshold beam part 20 that its preparation in-process has reduced B post part 10 and has connected simplifies production technology to greatly reduced the weight of B post and threshold beam assembly structure.
B post and threshold roof beam assembly structure, simple structure, matter are light, production efficiency is high, can effectively promote the efficiency of car, are favorable to the industrial production, and B post reinforcing plate tubular beams body 2 sets up circular tubular beams structure, has reduced its manufacturing cost, has realized side wall lightweight target.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a B post and threshold beam assembly structure, its includes B post portion and with the threshold beam portion that B post portion is connected which characterized in that: the B-pillar part and the threshold beam part are welded into an integrated structure, the B-pillar part comprises a B-pillar reinforcing plate upper plate, a B-pillar reinforcing plate tubular beam body connected with the B-pillar reinforcing plate upper plate and a B-pillar reinforcing plate lower plate connected to the lower end of the B-pillar reinforcing plate tubular beam body, the threshold beam part comprises a threshold beam front section tubular beam body, an A-pillar lower corner reinforcing plate connected to one end of the threshold beam front section tubular beam body and a threshold beam rear section reinforcing plate connected to the other end of the threshold beam front section tubular beam body, the B-pillar reinforcing plate tubular beam body and the threshold beam front section tubular beam body are of cavity structures with the wall thickness not more than 2.0mm, and the B-pillar reinforcing plate lower plate, the A-pillar lower corner reinforcing plate and the threshold beam rear section reinforcing plate lower ends are cut at intervals to form notches.
2. The B-pillar and rocker beam assembly structure of claim 1, wherein: the B-pillar reinforcing plate tubular beam body and the threshold beam front section tubular beam body are both of circular tube structures with circular cross sections, and the diameters of the circular tubes are not more than 32 mm.
3. The B-pillar and rocker beam assembly structure of claim 2, wherein: the lower end of the B-column reinforcing plate upper plate is provided with an upper plate concave part, the upper end of the B-column reinforcing plate lower plate is provided with a lower plate concave part, and the upper plate concave part and the lower plate concave part are respectively connected with two ends of the B-column reinforcing plate tubular beam body.
4. The B-pillar and rocker beam assembly structure of claim 3, wherein: the upper plate of the B-column reinforcing plate and the lower plate of the B-column reinforcing plate are both provided with a convex area.
5. The B-pillar and rocker beam assembly structure of claim 1, wherein: the front part of the A-pillar lower corner reinforcing plate is provided with a front concave part, the front concave part is used for placing the front end of the doorsill beam front section tubular beam body and performing welding connection, the lower part of the B-pillar reinforcing plate is provided with a connecting concave part, the connecting concave part is used for placing the middle part of the doorsill beam front section tubular beam body and performing welding connection, the front part of the doorsill beam rear section reinforcing plate is provided with a rear concave part, and the rear concave part is used for placing the rear end of the doorsill beam front section tubular beam body and performing welding connection.
6. The B-pillar and rocker beam assembly structure of claim 5, wherein: the thickness of the A-pillar lower corner reinforcing plate and the thickness of the doorsill beam rear-section reinforcing plate are not more than 1.2 mm.
7. The B-pillar and rocker beam assembly structure of claim 1, wherein: the B-pillar and threshold beam assembly structure further comprises a side wall outer plate reinforcing plate assembly assembled with the B-pillar reinforcing plate upper plate and the A-pillar lower corner reinforcing plate and a side wall inner plate reinforcing plate assembly assembled with the B-pillar reinforcing plate upper plate and the B-pillar reinforcing plate lower plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922464455.XU CN211519662U (en) | 2019-12-31 | 2019-12-31 | B-pillar and threshold beam assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922464455.XU CN211519662U (en) | 2019-12-31 | 2019-12-31 | B-pillar and threshold beam assembly structure |
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| Publication Number | Publication Date |
|---|---|
| CN211519662U true CN211519662U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922464455.XU Active CN211519662U (en) | 2019-12-31 | 2019-12-31 | B-pillar and threshold beam assembly structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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2019
- 2019-12-31 CN CN201922464455.XU patent/CN211519662U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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