CN107512316A - A kind of segment type automobile B-column structure - Google Patents
A kind of segment type automobile B-column structure Download PDFInfo
- Publication number
- CN107512316A CN107512316A CN201710699357.7A CN201710699357A CN107512316A CN 107512316 A CN107512316 A CN 107512316A CN 201710699357 A CN201710699357 A CN 201710699357A CN 107512316 A CN107512316 A CN 107512316A
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- inner tube
- segment type
- type automobile
- column structure
- column
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/04—Door pillars ; windshield pillars
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a kind of segment type automobile B-column structure, including multiple two-layer columnar pipes and the column pipe joint that is connected between the multiple two-layer columnar pipe；The two-layer columnar pipe includes：Octagonal inner tube；Octagonal outer tube, it is set in outside the octagonal inner tube, and parallel with the octagon of the inner tube；Reinforcement, it is disposed along between the inner tube of vehicle transverse direction and the adjacent vertex of the outer tube；Filler, it is filled between the inner tube and the outer tube；The column pipe joint includes：Connecting plate, it has the upper and lower surface in certain angle of inclination；Upper connecting portion, it is arranged on the upper surface, and the superposed two-layer columnar pipe is accommodated for matching；Lower connecting portion, it is arranged on the lower surface, for matching the two-layer columnar pipe accommodated positioned at bottom.The existing stronger rigidity of segment type automobile B-column structure provided by the invention, there is good energy absorption characteristics again.
Description
Technical field
The invention belongs to auto parts and components and security technology area, more particularly to a kind of segment type automobile B-column structure.
Background technology
With the popularization of automobile, people require more and more higher to automotive performance, are improving dynamic property, economy, comfortableness
While, the harshness of requirement also all the more to security.Vehicle safety performance improve, can effectively avoid accident generation or
Reduce the degree of injures and deaths.
Automobile B-column props up the gold of driving cabin roof between the front stall and back seat of four automobiles on sill strip
Belong to column structure, have important protective effect to the member in driving cabin when side collision or rolling occurs, due in side
During touching, for automobile B-column apart from the in small distance of occupant, this just needs B posts to have enough rigidity Collision-free deformations, is occupant
Larger living space is provided, while also needs to that there are preferable energy absorption characteristics, by the energy of side collision sponge rapidly with
Acceleration is excessive during collision free produces grievous injury to occupant, and possesses preferable Path of Force Transfer, will inhale as soon as possible
Remaining collision energy is delivered to the main load bearing component of vehicle body after receipts so that automobile deformed conjunction, reduces the injury to occupant.
Current automobile B-column is complicated, usually by the stamping forming B posts outside plate of high-strength steel, B posts inner panel and polylith
Reinforcing plate form, the B post shapes of every kind of vehicle are all variant, and versatility is poor, each sheet metal component will manufacturing cost it is high
Mould, the punch forming manufacturing process of high-strength steel is cumbersome, high processing costs.And B posts are while high rigidity is met, it is difficult to protect
Preferable energy absorption characteristics are demonstrate,proved, are required for the auxiliary protection of side air bag.
Bamboo bears wind load in natural environment and brings substantial load, and in order to adapt to this environment, bamboo bottom is born most
Big tension and compression stress is without destroying, so as to form its distinctive microcosmic and macrostructure's structure.Bamboo is natural long fine
Composite is tieed up, can approximately regard the elementary organization being made up of parenchyma cell and the prothenchyma (of wood) group based on vascular bundle as
Into reinforcing fiber be combined.Modulus of elasticity and the stretching of mao bamboon thin-walled elementary organization is calculated in Z.P.Shao etc. (2010)
Intensity is respectively 0.22GPa and 19.42MPa, while is prepared for bamboo vascular bundle tensile sample using mechanical stripping method, measures its drawing
It is respectively 33.9GPa and 482.2MPa to stretch modulus of elasticity and intensity.For bamboo wall during loaded, absorption is played by its elementary organization
The effect of energy, vascular bundle play a part of bearing load and transmit load.Meanwhile the ring connecting plate of bamboo is thick bamboo tube structure
Central reinforcement, experiment show that ring connecting plate causes the bearing capacity of thick bamboo tube to improve three times.
By such background technology, the present invention is for existing automobile B-column deficiency, mentality of designing source present in
In the macroscopical and microcosmic structure and function of bamboo, a kind of high-performance segment type automobile B-column structure of imitative bamboo morphology is devised.
The content of the invention
The defects of there is high rigidity and good energy absorption characteristics simultaneously in order to overcome existing automobile B-column structure to be difficult to, the present invention
Provide a kind of segment type automobile B-column structure being made up of more two-layer columnar pipes and joint assembly, its existing stronger rigidity,
There are good energy absorption characteristics again, security is more preferable.
Technical scheme provided by the invention is：
A kind of segment type automobile B-column structure, including：Multiple two-layer columnar pipes and be connected to the multiple two-layer columnar pipe it
Between column pipe joint；
The two-layer columnar pipe includes：
Octagonal inner tube；
Octagonal outer tube, it is set in outside the octagonal inner tube, and with the octagon of the inner tube
It is parallel；
Reinforcement, its be disposed along the adjacent vertex of the inner tube of vehicle transverse direction and the outer tube it
Between；
Filler, it is filled between the inner tube and the outer tube；
The column pipe joint includes：
Connecting plate, it has the upper and lower surface in certain angle of inclination；
Upper connecting portion, it is arranged on the upper surface and has octagonal annular receiving space, and position is accommodated for matching
The two-layer columnar pipe in top；
Lower connecting portion, it is arranged on the lower surface and has octagonal annular receiving space, and position is accommodated for matching
The two-layer columnar pipe in bottom.
Preferably, the inner tube and the outer tube are the sky that cross-sectional profile size is gradually reduced from down to up
Cavity configuration.
Preferably, the inner tube and the outer tube cross section are axial symmetry octagon, and the octagon is along vapour
The distance of one group of opposite side of body horizontal direction is more than the distance of the octagon one group of opposite side in direction longitudinally along an automobile.
Preferably, the column pipe joint is integral type structure.
Preferably, the shape of the upper and lower surface of the connecting plate and area are identical.
Preferably, the filler between the inner tube and the outer tube is foamed aluminium.
Preferably, the segment type automobile B-column structure also includes top connection, and it is connected to the two-layer columnar pipe and vapour
Between car door upper beam.
Preferably, the bottom of the top connection has octagonal annular receiving space, for matching under receiving is located at
The two-layer columnar pipe in portion.
Preferably, the segment type automobile B-column structure also includes lower contact, and it is connected to the two-layer columnar pipe and vapour
Between threshold vehicle beam.
Preferably, the top of the lower contact has octagonal annular receiving space, is located at for matching to accommodate
The two-layer columnar pipe in portion.
The beneficial effects of the invention are as follows：Segment type automobile B-column structure provided by the invention, by more two-layer columnar pipes and connect
Head is assembled to be formed, and existing stronger rigidity, there is good energy absorption characteristics again, security is more preferable, overcomes existing automobile B-column structure
It is difficult to that there is the defects of high rigidity and good energy absorption characteristics simultaneously.
Brief description of the drawings
Fig. 1 is segment type automobile B-column structure general structure schematic diagram of the present invention.
Fig. 2 is two-layer columnar tubular construction schematic diagram of the present invention.
Fig. 3 is column pipe joint structure schematic diagram of the present invention.
Fig. 4 is column pipe joint of the present invention diagrammatic cross-section longitudinally along an automobile.
Fig. 5 is column pipe joint of the present invention along automobile horizontal section schematic diagram.
Fig. 6 is top connection structural representation of the present invention.
Fig. 7 is lower contact structural representation of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
As shown in figs. 1-7, the invention provides a kind of segment type automobile B-column structure.The segment type automobile B-column structure bag
More two-layer columnar pipes 100 are included, it includes octagonal inner tube 110；Octagonal outer tube 120, it is set in octagon
Inner tube 110 outside, it is and parallel with the octagon of inner tube 110；And it is filled between inner tube 110 and outer tube 120
Filler 130.Inner tube 110 and the cavity structure that outer tube 120 is that cross-sectional profile size is gradually reduced from down to up,
Inner tube 110 and the cross section of outer tube 120 are axial symmetry octagon, one group opposite side of the octagon along vapour body horizontal direction
Distance be more than the distance of the octagon one group of opposite side in direction longitudinally along an automobile, such structure can cause whole in automobile
The space of vehicle occupant compartment is bigger in the case that body width is certain.Filler 130 uses foamed aluminium material, and foamed aluminium is imitated in bamboo wall
Elementary organization with energy-absorbing function, foamed aluminium have the advantages of density is low, and energy absorption characteristics are good, can be in the situation of weightening very little
Under, more collision energies are absorbed, greatly improve the energy characteristic for inhaling B posts, improve the security of automobile.
The vascular structure that reinforcement 140 is imitated and load is born in bamboo wall, transmits power, it is possible to increase the rigidity of automobile B-column.Add
Strengthening tendons 140 is arranged between inner tube 110 and outer tube 120, and inner tube 110 and outer tube 120 are linked together.Reinforcement
140 be 4, its be separately positioned on along vehicle transverse direction inner tube 110 and outer tube 120 adjacent vertex between, this
The reinforcement 140 of sample distribution can significantly strengthen the anti-bending strength of two-layer columnar pipe during side impact occurs for automobile, and
Do not have reinforcement position can smooth collapse energy-absorption so that automobile B-column integrally occurs along itself horizontal conquassation of automobile,
And reduce the intrusion deformation to crew module.
Multiple column pipe joints 200, it is connected between two-layer columnar pipe 100.Column pipe joint 200 is integral type knot
Structure, including upper connecting portion 210, lower connecting portion 220, and the connecting plate between upper connecting portion 210 and lower connecting portion 220
230.Connecting plate 230 is entity structure, and connecting plate 230 imitates the diaphragm plate of ring, has certain thickness, for increasing B post knots
The structure rigidity of structure.Connecting plate 230 have in certain angle of inclination upper and lower surface, with formed the camber of automobile B-column and
Gradient.Due to automobile B-column structure and non-vertical structure, in order to coordinate automobile overall structure, automobile B-column structure is longitudinally along an automobile
Tilt at an angle backward, in automobile laterally with certain inside camber, gradually internally shrink approximate shape from the bottom to top
Overarch.And the axis of two-layer columnar pipe 100 is straight line, so the gradient and camber of above-mentioned B-pillar structure need column pipe joint
200 adjustment is completed.
The upper connecting portion 210 of column pipe joint 200 is made up of with octagon inner panel 211, outside plate 212 and connecting plate 230
Annular receiving space 240；The lower structure of connecting portion 220 is identical with the upper structure of connecting portion 210.Insert one end of two-layer columnar pipe 100
Enter with octagonal annular receiving space 240, and be resisted against on the connecting plate 230.The annular of connecting portion 210 in insertion
The shape and area equation of the corresponding upper surface of connecting plate 230 in the lower surface of the two-layer columnar pipe 100 of accommodating chamber 240, are inserted
Enter the shape of the corresponding lower surface of connecting plate 230 in upper surface of the two-layer columnar pipe 100 of the annular accommodating chamber of lower connecting portion 220
Shape and area equation, and the upper surface of the connecting plate 230 and the shape of lower surface and area equation, i.e. two adjacent sections bilayer post
Shape pipe 100 is identical with the end face size that same column pipe joint 200 connects, so that B-pillar structure is integrally in lower upper small greatly
Even variation.
Top connection 300, it is connected between two-layer columnar pipe 100 and car door upper beam 510.Top connection bottom 310, it has
Have and be made up of inner panel 311 and outside plate 312 with octagonal annular receiving space 330, accommodated for matching positioned at the double of bottom
Layer stylostome 100；The shape and area of the bottom surface of annular receiving space 330 and on the two-layer columnar pipe 100 of its underpart
The shape area of end face is equal.The top connection top 320 being connected with car door upper beam 510 is entity structure, top connection top 320
Shape and the planform of car door upper beam 510 match, and the semi-packing type of lower contact top 320 is fitted in car door upper beam 520
On.
Lower contact 400, it is connected between two-layer columnar pipe 100 and vehicle doorsill girder 520.Lower contact top 410, it has
Have to be combined into by lower contact inner panel 411 and lower contact outside plate 412 and form with octagonal annular receiving space 430, for
With the superposed two-layer columnar pipe 100 of receiving；The shape and area of the bottom surface of annular receiving space 430 and portion disposed thereon
The shape and area of the lower surface of two-layer columnar pipe 100 are consistent.Lower contact bottom 420 is entity structure, and it connects with sill strip 520
Connect.
The shape and thickness of top connection top 320 and the entity structure part of lower contact bottom 420 are also to the oblique of B-pillar structure
Degree and camber play corrective action.Using top connection 300 and lower contact 400 respectively with car door upper beam 510 and vehicle doorsill girder 520
Connection, it is that the rigidity of joint is more than two-layer columnar pipe knot because the joint design of B-pillar structure is similar to the ring part of bamboo
Structure, it can so improve the side impact security of automobile.
With reference to specific implementation process, segment type automobile B-column structure of the present invention is further detailed.
In one embodiment, B-pillar structure by 4 two-layer columnar pipes, 100,3 column pipe joints 200, top connection 300 and under
Joint 400 forms.The inner tube 110 and outer tube 120 of two-layer columnar pipe 100 are molded to obtain accordingly by conical tube by inner high voltage
The lower of sectional dimension is gradually reduced eight prism pipes to upper profile, then by laser welding, with four reinforcements 140 by inner tube 110
Connected together with outer tube 120, four reinforcements 140 are separately positioned on along the inner tube 110 of vehicle transverse direction and outer
Between the adjacent vertex of layer pipe 120.Finally, the gap between inner tube 110 and outer tube 120 is filled out using foamed aluminium
Fill.
Column pipe joint 200, top connection 300 and lower contact 400 select various sizes of structure according to different B-pillar structures
Mould corresponding to design, using die cast manufacture method.
Select suitable column pipe joint 200 and two-layer columnar pipe 100, it is ensured that the face size of two-layer columnar pipe 100 and
The upper surface of connecting plate 230 of its corresponding column pipe joint 200 and lower surface size are consistent；Select suitable top connection 300 and under
Joint 400, it is ensured that the face size of two-layer columnar pipe 100 and the annular receiving space of its corresponding top connection 300 and lower contact 400
Bed-plate dimension is consistent, simultaneously, it is ensured that top connection 300 with its corresponding to the shape of car door upper beam 510 match；From bottom to up
Position successively, be assembled, clamping and being attached using Laser Welding.
After the completion of B post integral solders, shift at white body gusset, carry out location and installation, B post knots are carried out using laser welding
The welding of structure and vehicle doorsill girder 520 and car door upper beam 510, completes the installation of B-pillar structure.
Segment type automobile B-column structure provided by the invention, it is made up of more two-layer columnar pipes and joint assembly, it is existing stronger
Rigidity, have good energy absorption characteristics again, security is more preferable, overcomes existing automobile B-column structure and is difficult to have high rigidity simultaneously
And the defects of good energy absorption characteristics.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the legend with description.
Claims (10)
- A kind of 1. segment type automobile B-column structure, it is characterised in that including：Multiple two-layer columnar pipes and it is connected to the multiple double Column pipe joint between layer stylostome；The two-layer columnar pipe includes：Octagonal inner tube；Octagonal outer tube, it is set in outside the octagonal inner tube, and parallel with the octagon of the inner tube；Reinforcement, it is disposed along between the inner tube of vehicle transverse direction and the adjacent vertex of the outer tube；Filler, it is filled between the inner tube and the outer tube；The column pipe joint includes：Connecting plate, it has the upper and lower surface in certain angle of inclination；Upper connecting portion, it is arranged on the upper surface and has octagonal annular receiving space, is located at for matching to accommodate The two-layer columnar pipe in portion；Lower connecting portion, it is arranged on the lower surface and has octagonal annular receiving space, for matching under receiving is located at The two-layer columnar pipe in portion.
- 2. according to the segment type automobile B-column structure described in claim 1, it is characterised in that the inner tube and the outer tube are equal For the cavity structure that cross-sectional profile size is gradually reduced from down to up.
- 3. segment type automobile B-column structure according to claim 2, it is characterised in that the inner tube and the outer tube Cross section is axial symmetry octagon, and the distance of one group opposite side of the octagon along vapour body horizontal direction is more than the octagon The distance of one group of opposite side in direction longitudinally along an automobile.
- 4. segment type automobile B-column structure according to claim 1, it is characterised in that the column pipe joint is integral type Structure.
- 5. segment type automobile B-column structure according to claim 1, it is characterised in that the upper surface of the connecting plate is with The shape and area on surface are identical.
- 6. segment type automobile B-column structure according to claim 1, it is characterised in that the inner tube and the outer tube Between filler be foamed aluminium.
- 7. segment type automobile B-column structure according to claim 1, it is characterised in that also including top connection, it is connected to institute State between two-layer columnar pipe and car door upper beam.
- 8. segment type automobile B-column structure according to claim 7, it is characterised in that the bottom of the top connection has eight The annular receiving space of side shape, for matching the two-layer columnar pipe accommodated positioned at bottom.
- 9. segment type automobile B-column structure according to claim 1, it is characterised in that also including lower contact, it is connected to institute State between two-layer columnar pipe and vehicle doorsill girder.
- 10. segment type automobile B-column structure according to claim 9, it is characterised in that the top of the lower contact has eight The annular receiving space of side shape, the superposed two-layer columnar pipe is accommodated for matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710699357.7A CN107512316B (en) | 2017-08-16 | 2017-08-16 | Sectional type automobile B column structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710699357.7A CN107512316B (en) | 2017-08-16 | 2017-08-16 | Sectional type automobile B column structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107512316A true CN107512316A (en) | 2017-12-26 |
| CN107512316B CN107512316B (en) | 2023-05-16 |
Family
ID=60723138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710699357.7A Active CN107512316B (en) | 2017-08-16 | 2017-08-16 | Sectional type automobile B column structure |
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| Country | Link |
|---|---|
| CN (1) | CN107512316B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111619679A (en) * | 2020-05-29 | 2020-09-04 | 奇瑞汽车股份有限公司 | Vehicle threshold structure and vehicle |
| CN112793670A (en) * | 2021-01-21 | 2021-05-14 | 宁波吉利汽车研究开发有限公司 | Reinforced pipe and manufacturing method thereof |
| US11383767B2 (en) * | 2018-09-21 | 2022-07-12 | Toyota Jidosha Kabushiki Kaisha | Front pillar and manufacturing method therefor |
| CN116495023A (en) * | 2023-04-14 | 2023-07-28 | 西南交通大学 | Foam metal filled bamboo-like sandwich circular tube and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19603098A1 (en) * | 1996-01-29 | 1997-07-31 | Daimler Benz Ag | Passenger cell with stiffened B columns for convertible or open car |
| CN103287369A (en) * | 2013-06-20 | 2013-09-11 | 湖南大学 | Multistage embedded type octagonal automobile energy absorbing and buffering device |
| US20140050880A1 (en) * | 2012-08-17 | 2014-02-20 | Toyota Motor Engineering & Manufacturing North America, Inc. | Heat activated expansion foam with lip seal |
| CN205801255U (en) * | 2016-07-25 | 2016-12-14 | 江苏祺胜现代新材料有限公司 | A kind of anti-collision automobile side wall structure |
-
2017
- 2017-08-16 CN CN201710699357.7A patent/CN107512316B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19603098A1 (en) * | 1996-01-29 | 1997-07-31 | Daimler Benz Ag | Passenger cell with stiffened B columns for convertible or open car |
| US20140050880A1 (en) * | 2012-08-17 | 2014-02-20 | Toyota Motor Engineering & Manufacturing North America, Inc. | Heat activated expansion foam with lip seal |
| CN103287369A (en) * | 2013-06-20 | 2013-09-11 | 湖南大学 | Multistage embedded type octagonal automobile energy absorbing and buffering device |
| CN205801255U (en) * | 2016-07-25 | 2016-12-14 | 江苏祺胜现代新材料有限公司 | A kind of anti-collision automobile side wall structure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11383767B2 (en) * | 2018-09-21 | 2022-07-12 | Toyota Jidosha Kabushiki Kaisha | Front pillar and manufacturing method therefor |
| CN111619679A (en) * | 2020-05-29 | 2020-09-04 | 奇瑞汽车股份有限公司 | Vehicle threshold structure and vehicle |
| CN112793670A (en) * | 2021-01-21 | 2021-05-14 | 宁波吉利汽车研究开发有限公司 | Reinforced pipe and manufacturing method thereof |
| CN116495023A (en) * | 2023-04-14 | 2023-07-28 | 西南交通大学 | Foam metal filled bamboo-like sandwich circular tube and preparation method thereof |
| CN116495023B (en) * | 2023-04-14 | 2024-03-08 | 西南交通大学 | Foam metal filled bamboo-like sandwich circular tube and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107512316B (en) | 2023-05-16 |
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