CN105691162B - A kind of vehicle door anti-collision joist of hydraulic expanding-forming - Google Patents
A kind of vehicle door anti-collision joist of hydraulic expanding-forming Download PDFInfo
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- CN105691162B CN105691162B CN201610048924.8A CN201610048924A CN105691162B CN 105691162 B CN105691162 B CN 105691162B CN 201610048924 A CN201610048924 A CN 201610048924A CN 105691162 B CN105691162 B CN 105691162B
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- Prior art keywords
- collision
- door anti
- forming
- vehicle door
- pipe
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/04—Doors arranged at the vehicle sides
- B60J5/042—Reinforcement elements
- B60J5/0422—Elongated type elements, e.g. beams, cables, belts or wires
- B60J5/0423—Elongated type elements, e.g. beams, cables, belts or wires characterised by position in the lower door structure
- B60J5/0429—Elongated type elements, e.g. beams, cables, belts or wires characterised by position in the lower door structure the elements being arranged diagonally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/04—Doors arranged at the vehicle sides
- B60J5/042—Reinforcement elements
- B60J5/0422—Elongated type elements, e.g. beams, cables, belts or wires
- B60J5/0438—Elongated type elements, e.g. beams, cables, belts or wires characterised by the type of elongated elements
- B60J5/0443—Beams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/04—Doors arranged at the vehicle sides
- B60J5/042—Reinforcement elements
- B60J5/0422—Elongated type elements, e.g. beams, cables, belts or wires
- B60J5/0438—Elongated type elements, e.g. beams, cables, belts or wires characterised by the type of elongated elements
- B60J5/0443—Beams
- B60J5/0444—Beams characterised by a special cross section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/04—Doors arranged at the vehicle sides
- B60J5/042—Reinforcement elements
- B60J5/0456—Behaviour during impact
- B60J5/0461—Behaviour during impact characterised by a pre-defined mode of deformation or displacement in order to absorb impact
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Patent of the present invention provides a kind of vehicle door anti-collision joist of hydraulic expanding-forming and preparation method thereof, belongs to automobile technical field.Vehicle door anti-collision joist is to be designed as flat rectangular tube, middle part by superhigh intensity steel making, the both ends for using "-" type to install as W type rectangular closed curved surface tubular beams.The invention also discloses the preparation methods of the vehicle door anti-collision joist of above-mentioned hydraulic expanding-forming.The present invention solves existing for existing automobile buffer beam the technical problems such as intensity is low, collision deformation is big.The present invention can preferably absorb the energy that car crass is brought, while it is high to provide enough cushion space safety coefficients for the vehicle to collide again.Patent of the present invention has many advantages, such as that simple in structure, manufacturing cost is low, easy for installation, lighter to the of less demanding of installation space, quality, intensity is more preferable.
Description
Technical field
The invention patent relates to automobile technical field, the specifically anticollision device, collision-prevention device on a kind of car door and its preparation side
Method.
Background technology
In automobile side impact, door anti-collision joist is resistant to the important component of side collision.If door anti-collision joist
Strength and stiffness are insufficient, and car door can be caused larger deformation occur, cause its intrusion volume excessive, further compress the existence of occupant
Loss of Life and property is caused in space.
In order to improve safety and stability of the automobile when side collision occurs, door anti-collision joist is arranged inside car door
Have become major motor corporation to have to consider the problems of when being designed.It is hit for reduce that side collision brings to the greatest extent
Energy and the loss caused by occupant and vehicle are hit, door anti-collision joist just plays the role of critical, but these collision prevention girders
Structure fails to fundamentally solve the problems, such as energy-absorbing and load transmission of the car door in collision process, and energy-absorbing effect is undesirable, prevents
Energy cannot be transmitted well by hitting the arrangement of beam, cause vehicle in collision process, and collision prevention girders cannot play guarantor to the greatest extent
Shield acts on.
Invention content
Patent of the present invention is designed to provide a kind of vehicle door anti-collision joist of hydraulic expanding-forming and preparation method thereof, this hair
Bright patent can further promote vehicular sideview anti-collision capacity, provide more spaces for the design of car body, it is solved
The technical problems such as intensity is low existing for existing automobile buffer beam, collision deformation is big；Patent of the present invention have it is simple in structure, be manufactured into
This is low, easy for installation, to the advantages that the of less demanding of installation space, quality are lighter, intensity is more preferable.
First purpose of the present invention is achieved through the following technical solutions, a kind of vehicle door anti-collision of hydraulic expanding-forming
The trapezoidal company coupled on the outside of beam, including car door anti-collision beam body, the flat rectangular tube at car door beam body both ends and rectangular tube
Fishplate bar, car door anti-collision beam body is with flat rectangular tubular at U-shaped structure.
Preferably, the vehicle door anti-collision joist uses variable section structure, vehicle door anti-collision joist centre position longitudinal section
Product is accumulated more than the longitudinal section of its two-end part rectangular tube, has the characteristics that middle part is rigidly better than both ends.
Preferably, the vertical sectional shape of the car door anti-collision beam body is the closing round rectangle for being W types on one side, preventing car door
Beam body is hit to be generated by hydraulic expanding-forming technology.
Preferably, the vehicle door anti-collision joist is arranged using "-" type.
Preferably, the vehicle door anti-collision joist material is high strength steel or unimach.
Preferably, the round and smooth mistake of multi-section curved surface is used between car door anti-collision beam body both ends and flat rectangular tube
It crosses, and the perimeter in each section is approximate.Car door anti-collision beam body both ends use multi-section curved surface rounding off, multi-section curved surface
Rounding off part curves inwardly to form elbow, and rectangular tube is arranged on the outside of elbow, the extended line of rectangular tube and the preventing car door
It is 100 ° -145 ° to hit the angle α among beam body between the extended line at position.
Preferably, the flat rectangular tube at the both ends passes through rivet or welding with the corresponding trapezoidal connecting plate respectively
It links together.
Preferably, the trapezoidal connecting plate is fixed on corresponding car door inner board side by welding or bolt respectively
Place.
Second object of the present invention is achieved through the following technical solutions, the vehicle door anti-collision joist of hydraulic expanding-forming
Preparation method includes the following steps：
（1）Pipe blanking：D=30-40 millimeters of pipe diameter is chosen, pipe length is selected according to car door specific size, pipe
T=1.8-2.2 millimeters of thickness.
（2）Pipe is bent：Pipe is placed on to the arc of the curve identical obtained according to arrangements for automotive doors outline projection in bullodozer
Degree is bent, and the guiding curve of the radian is obtained by the distance of parallel offset 3-10mm after arrangements for automotive doors outline projection.
（3）Hydraulic expanding-forming：Using hydraulic expanding equipment by the pipe hydro-forming after bending certain radian, after hydro-forming
The vertical sectional shape of car door anti-collision beam body be the fillet enclosing square for being W types on one side.
（4）Pipe end flattens：A part for the pipe that collision prevention girders both ends after hydro-forming still retain is pressed into flat
Shape rectangular tubular.
（5）Pipe end elbow：A part for flat rectangular tube and multi-section surface blending is curved inwardly certain angle shape
At elbow, angle is α between pipe end elbow and main body, and unsuitable too small, α is best to be more than between 100 ° -145 °.
（6）Connecting plate is installed：According to angle between the angle and collision prevention girders and inner plate of car door side of collision prevention girders pipe end elbow,
Trapezoidal connecting plate and pipe end elbow rivet interlacement are got up.
Compared with prior art, the invention has the advantages that：
First, the central region of collision prevention girders is maximum cross-section, has maximum deformation rigidity and resistance capacity to deformation.Anticollision
The impact that beam centre position is subject to is maximum, and impact force is gradually reduced to both ends, and both sides section tapers into, can be first
Further deformation buffer after deformation.This hair can preferably absorb the energy that car crass is brought, while can be to collide again
Vehicle enough cushion spaces are provided, safety coefficient is high.
Second, compared with prior art, front door collision prevention girders use one side for the round rectangle section of W types, entire collision prevention girders
Energy-absorbing effect during side impact be optimal, absorb more collision energies, accident generation after remain to open car door.This
The special variable cross-section design of kind not only ensure that collision prevention girders have enough shock resistances, and can save the use of material,
The manufacturing cost of collision prevention girders is reduced, realizes collision prevention girders lightweight, improves running car performance.
Description of the drawings
Fig. 1 is the vehicle door anti-collision joist structural schematic diagram of hydraulic expanding-forming of the present invention；
Fig. 2 is the longitudinal section of the car door anti-collision beam body of the vehicle door anti-collision joist of hydraulic expanding-forming of the present invention；
Fig. 3 is the scheme of installation of the vehicle door anti-collision joist of hydraulic expanding-forming of the present invention.
Fig. 4 is obtained beam body schematic diagram after hydraulic expanding-forming.
Specific implementation mode
Collision prevention girders on patent car door of the present invention are described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, the structure of the present invention expressed by Fig. 3 and Fig. 4, the present invention are a kind of arrangements for automotive doors of hydraulic expanding-forming
Collision prevention girders are arranged in the car door of automobile in collision prevention girders, to enhance the rigidity of car door, and when vehicle collides with certain
Buffering, the effect for absorbing energy, to protect the safety of occupant.
In order to realize while ensureing car door overall stiffness, the buffer capacity purpose of car door is further enhanced, the present invention
The technical solution taken is as follows.
A kind of vehicle door anti-collision joist of hydraulic expanding-forming, including car door anti-collision beam body 3, car door anti-collision beam body both ends
Flat rectangular tube 2,4 and trapezoidal connecting plate 1,5.
In the above-mentioned technical solutions, the vertical sectional shape of car door anti-collision beam body is the fillet enclosing square for being W types on one side
Cross sectional shape, car door anti-collision beam body are generated by hydraulic expanding-forming technology.
In the above-mentioned technical solutions, the beam body is the beam with certain radian, and the guiding curve is by arrangements for automotive doors profile
The distance of parallel offset 3-10mm obtains after projection, referring to Fig. 2.
In the above-mentioned technical solutions, the beam body both ends are flat rectangular tube, and the flat rectangular tube is by pipe
It flattens to be made and obtain, multi-section curved surface rounding off 6 is used between flat rectangular tube and car door anti-collision beam body.Multi-section is bent
Face rounding off part curves inwardly to form elbow, and rectangular tube is arranged on the outside of elbow, the extended line of rectangular tube and the car door
Angle α between the extended line of collision prevention girders body midsection position is 100 ° -145 °.
In the above-mentioned technical solutions, rivet interlacement is used between rectangular tube and corresponding trapezoidal connecting plate.
In the above-mentioned technical solutions, trapezoidal connecting plate is fixed with corresponding inner plate of car door side 6,7 by welding or bolt
Together.
Preferably, this door anti-collision joist uses the form of linear type arrangement, referring to Fig. 3.
Preferably, this door anti-collision joist material is selected as high strength steel or unimach.
The preparation method of the vehicle door anti-collision joist of above-mentioned hydraulic expanding-forming：Using pipe blanking, pipe bending, Hydraulic Expansion
As shown in figure 4, finally installing connecting plate after shape, pipe end flattening, pipe end elbow, following steps are specifically included：
（1）Pipe blanking：D=30-40 millimeters of pipe diameter is chosen, pipe length is selected according to car door specific size, pipe
T=1.8-2.2 millimeters of thickness；
（2）Pipe is bent：Pipe is placed on to the arc of the curve identical obtained according to arrangements for automotive doors outline projection in bullodozer
Degree is bent, and the guiding curve of the radian is obtained by the distance of parallel offset 3-10mm after arrangements for automotive doors outline projection；
（3）Hydraulic expanding-forming：Using hydraulic expanding equipment by bend certain radian after pipe hydro-forming；After hydro-forming
The vertical sectional shape of car door anti-collision beam body be the fillet enclosing square for being W types on one side；
（4）Pipe end flattens：A part for the pipe that collision prevention girders both ends after hydro-forming still retain is pressed into flat
Shape rectangular tubular；
（5）Pipe end elbow：A part for flat rectangular tube and multi-section surface blending is curved inwardly certain angle shape
At elbow, angle is α between pipe end elbow and door anti-collision joist body midsection position, and α is 100 ° -145 °；
（6）Connecting plate is installed：According to angle between the angle and collision prevention girders and inner plate of car door side of collision prevention girders pipe end elbow,
Trapezoidal connecting plate and pipe end elbow rivet interlacement are got up.
Vehicle door anti-collision joist be by superhigh intensity steel making, using "-" type install both ends be designed as flat rectangular tube,
Middle part is W type rectangular closed curved surface tubular beams.The present invention solves existing for existing automobile buffer beam that intensity is low, collision deformation is big
Etc. technical problems.The present invention can preferably absorb the energy that car crass is brought, while can be that the vehicle to collide carries again
It is high for enough cushion space safety coefficients.Patent of the present invention have it is simple in structure, manufacturing cost is low, it is easy for installation, to installation
The advantages that the of less demanding of space, quality are lighter, intensity is more preferable.
Exemplary description is carried out to the present invention above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, as long as use the inventive concept and technical scheme of the present invention progress various improvement, or it is not improved will be of the invention
Design and technical solution directly apply to other occasions, within protection scope of the present invention.
Claims (5)
1. a kind of vehicle door anti-collision joist of hydraulic expanding-forming, which is characterized in that the vehicle door anti-collision joist includes car door anti-collision
Beam body（3）, car door anti-collision beam body（3）The flat rectangular tube at both ends（2,4) and flat rectangular tube（2,4) on the outside of
The trapezoidal connecting plate of connection（1、5）, car door anti-collision beam body（3）With flat rectangular tube（2,4) U-shaped structure is formed；
The preparation method of the vehicle door anti-collision joist of the hydraulic expanding-forming, including：Pipe blanking → pipe bending → hydraulic expanding-forming
→ pipe end flattening → pipe end elbow → installation connecting plate, specifically includes following steps：
（1）Pipe blanking：D=30-40 millimeters of pipe diameter is chosen, pipe length is selected according to car door specific size, circular tube thickness
T=1.8-2.2 millimeters；
（2）Pipe is bent：Pipe is placed on to the radian pressure of the curve identical obtained according to arrangements for automotive doors outline projection in bullodozer
Curved, the guiding curve of the radian is obtained by the distance of parallel offset 3-10mm after arrangements for automotive doors outline projection；
（3）Hydraulic expanding-forming：It will be bent to the pipe hydro-forming after certain radian using hydraulic expanding equipment；After hydro-forming
The vertical sectional shape of car door anti-collision beam body is the fillet enclosing square for being W types on one side；
（4）Pipe end flattens：A part for the pipe that collision prevention girders both ends after hydro-forming still retain is pressed into flat square
Shape tubulose；
（5）Pipe end elbow：By a part for flat rectangular tube and multi-section surface blending curve inwardly certain angle formed it is curved
Head, angle is α between pipe end elbow and door anti-collision joist body midsection position, and α is 100 ° -145 °；
（6）Connecting plate is installed：It, will be terraced according to angle between the angle and collision prevention girders and inner plate of car door side of collision prevention girders pipe end elbow
Shape connecting plate gets up with pipe end elbow rivet interlacement.
2. the vehicle door anti-collision joist of hydraulic expanding-forming described in accordance with the claim 1, which is characterized in that the vehicle door anti-collision
Beam uses variable section structure, vehicle door anti-collision joist centre position longitudinal section area to be more than vehicle door anti-collision joist two-end part
Longitudinal section area.
3. according to the vehicle door anti-collision joist of hydraulic expanding-forming as claimed in claim 1 or 2, which is characterized in that the car door anti-collision
The vertical sectional shape of beam body is the fillet enclosing square for being W types on one side, and car door anti-collision beam body is generated by hydraulic expanding-forming technology,
The car door anti-collision beam body is closed surface tubulose, the car door anti-collision beam body（3）The flat rectangular tube at both ends（2、4）
With main body（3）Between use multi-section curved surface rounding off, multi-section curved surface rounding off part curves inwardly to form elbow, flat
Flat-shaped rectangular tube is arranged on the outside of elbow, and the extended line of flat rectangular tube prolongs with door anti-collision joist body midsection position
Angle α between long line is 100 ° -145 °.
4. the vehicle door anti-collision joist of hydraulic expanding-forming described in accordance with the claim 3, which is characterized in that the vehicle door anti-collision
Beam is using "-" type arrangement, the flat rectangular tube（2、4）Respectively with the corresponding trapezoidal connecting plate（1、5）Pass through rivet
It links together, the trapezoidal connecting plate（1、5）Corresponding car door inner board side is fixed on by welding or bolt respectively
（6、7）Place.
5. the vehicle door anti-collision joist of hydraulic expanding-forming described in accordance with the claim 1, which is characterized in that the vehicle door anti-collision
Beam material is high strength steel or unimach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610048924.8A CN105691162B (en) | 2016-01-26 | 2016-01-26 | A kind of vehicle door anti-collision joist of hydraulic expanding-forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610048924.8A CN105691162B (en) | 2016-01-26 | 2016-01-26 | A kind of vehicle door anti-collision joist of hydraulic expanding-forming |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105691162A CN105691162A (en) | 2016-06-22 |
| CN105691162B true CN105691162B (en) | 2018-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610048924.8A Active CN105691162B (en) | 2016-01-26 | 2016-01-26 | A kind of vehicle door anti-collision joist of hydraulic expanding-forming |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108595786A (en) * | 2018-04-04 | 2018-09-28 | 江苏理工学院 | A kind of B-spline collision prevention girders structural optimization method |
| KR20200001257A (en) * | 2018-06-27 | 2020-01-06 | 현대자동차주식회사 | Door impact beam |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201437351U (en) * | 2009-07-31 | 2010-04-14 | 上海通用汽车有限公司 | Novel automobile rear bumper structure |
| CN201882017U (en) * | 2010-11-08 | 2011-06-29 | 浙江吉利汽车研究院有限公司 | Rear impact beam structure of automobile |
| CN102390335A (en) * | 2011-09-30 | 2012-03-28 | 力帆实业(集团)股份有限公司 | Front bumper anti-collision beam and processing method thereof |
| CN204895358U (en) * | 2015-08-07 | 2015-12-23 | 北京汽车股份有限公司 | GMT assembly and car |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7402775B2 (en) * | 2005-04-21 | 2008-07-22 | Asteer Co., Ltd. | Vehicular shock-absorbing beam |
-
2016
- 2016-01-26 CN CN201610048924.8A patent/CN105691162B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201437351U (en) * | 2009-07-31 | 2010-04-14 | 上海通用汽车有限公司 | Novel automobile rear bumper structure |
| CN201882017U (en) * | 2010-11-08 | 2011-06-29 | 浙江吉利汽车研究院有限公司 | Rear impact beam structure of automobile |
| CN102390335A (en) * | 2011-09-30 | 2012-03-28 | 力帆实业(集团)股份有限公司 | Front bumper anti-collision beam and processing method thereof |
| CN204895358U (en) * | 2015-08-07 | 2015-12-23 | 北京汽车股份有限公司 | GMT assembly and car |
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| CN105691162A (en) | 2016-06-22 |
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