CN201501366U - Collision protection structure of front door of vehicle - Google Patents
Collision protection structure of front door of vehicle Download PDFInfo
- Publication number
- CN201501366U CN201501366U CN2009202066366U CN200920206636U CN201501366U CN 201501366 U CN201501366 U CN 201501366U CN 2009202066366 U CN2009202066366 U CN 2009202066366U CN 200920206636 U CN200920206636 U CN 200920206636U CN 201501366 U CN201501366 U CN 201501366U
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- CN
- China
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- collision protection
- car door
- prevention girders
- door
- collision prevention
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Abstract
The utility model discloses a collision protection structure of a front door of a vehicle, which comprises an inner vehicle door plate (1). The utility model is characterized in that: a reinforcing rod (2), the front part of which is high and the rear part of which is low, is fixed across the upper part of the inner vehicle door plate (1); at least two parallel collision protection beams (3), the front parts of which are high and the rear parts of which are low, are fixed across the middle part of the inner vehicle door plate (1); the reinforcing rod (2) and the collision protection beams (3) are steel tubes whose both ends are squashed; and a distance between the reinforcing rod (2) and the adjacent collision protection beam (3) is 3 to 4 times of that between the two adjacent collision protection beam (3). The utility model can improve the whole intensity and rigidity of the front door, has excellent effects on energy absorption and force transmission, has strong anti-deformation capacity, is favorable for protecting the thorax cavity and the abdominal cavity of the person in the front row in the vehicle, protects the position of the door lock of the vehicle door, and tries to avoid the problem that the vehicle door cannot be opened due to excessive deformation.
Description
Technical field
The utility model relates to arrangements for automotive doors, specifically, relates to the collision protection structure of front door of automobile.
Background technology
Along with the development of automobile industry, the safety of auto against more and more is subject to people's attention.Automobile is when being subjected to side and hitting, and car door is out of shape easily, if the car door distortion is excessive, car door is too much to interior space invasion amount, will serious threat to driver and passenger's life security.Existing car door anti-collision structure, generally be to be welded with board-like collision prevention girders at the middle part of inner plate of car door, collision prevention girders is the steel plate punch forming, in order to protection occupant's belly with stride portion, but this board-like collision prevention girders, the strength and stiffness deficiency that anti-side is hit, even two overlapping board-like collision prevention girders also are not enough to opposing, the buffering side is hit power, the car door easy deformation can't reach desirable anti-side and hit effect, and the collision prevention girders that is arranged in inner plate of car door middle part can't be protected occupant's position, thoracic cavity; In addition, car door is in door lock place easy deformation, and car door can't be opened, and also has influence on occupant's escape.Generally when head-on crash, offset collision and side collision, front-seat driver and passenger safety are more vulnerable to threat, thereby the collision protection structure at optimization Qianmen is more urgent and important problem.
The utility model content
Technical problem to be solved in the utility model is: the collision protection structure that a kind of front door of automobile is provided; it can improve the bulk strength and the rigidity of driver door; its energy-absorbing, power transmission are effective; non-deformability is strong; help protecting front-seat occupant's thoracic cavity and abdominal cavity; and protection car door door lock position, avoid because of being out of shape the excessive problem that can't open car door as far as possible.
The technical solution of the utility model is as follows: a kind of collision protection structure of front door of automobile, comprise inner plate of car door, it is characterized in that: on the top of described inner plate of car door across the low stirrup in high back before being fixed with, collision prevention girders are hanged down across being fixed with at least two preceding high backs arranged side by side in middle part at described inner plate of car door, and described stirrup and collision prevention girders are the steel pipe that flatten at both ends; The spacing of described stirrup and adjacent collision prevention girders is 3～4 times of two adjacent collision prevention girders spacings.
Stirrup and collision prevention girders that the utility model is arranged tubulose respectively at the top and the middle part of inner plate of car door, stirrup is reinforced the top of inner plate of car door, the raising of its strength and stiffness, help the dispersion and the conduction of impact force, can protect occupant's position, thoracic cavity, and car door can protect car door door lock position in the raising of the non-deformability at this position, and the probability that car door can't be opened reduces greatly; And the tubulose collision prevention girders more than two or two is arranged at the inner plate of car door middle part, can protect occupant's abdominal cavity and hip, crashproof Liangqi bending strength and good rigidly that steel pipe is made help energy-absorbing and power transmission, deformation extent when alleviating car door and being subjected to clashing into, protection passenger's life security; High low being in tilted layout in back before stirrup and the collision prevention girders, the power of hitting before helping when hitting before automobile is subjected to are transmitted after by forward direction, and the lower cross section of vehicle body center pillar is bigger on the other hand, is subjected to loading capability stronger, more can resist side impact force, stops car door invasion crew module.
For ease of processing, described stirrup and collision prevention girders are that pipe is made.
Through calculating and test, be the crashproof ability that improves car door, described collision prevention girders is two, its diameter is 22～28mm, between the two described collision prevention girders at a distance of 20～50mm.
For making front door inner panel top that higher impact resistance power can be arranged, described stirrup is that diameter is the pipe of 25～32mm.
For ease of stirrup is captiveed joint with front door inner panel, the both ends of described stirrup are welded with front frame and after poppet, and described stirrup is weldingly fixed on the inner plate of car door by described forward and backward support.
The beneficial effects of the utility model are: it can improve the bulk strength and the rigidity of driver door; its energy-absorbing, power transmission are effective; non-deformability is strong; help protecting front-seat occupant's thoracic cavity and abdominal cavity; and protection car door door lock position, avoid because of being out of shape the excessive problem that can't open car door as far as possible.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the B-B cutaway view of Fig. 1.
Fig. 4 is the partial enlarged drawing of Fig. 1.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figures 1 to 4, the utility model is a kind of collision protection structure of front door of automobile, comprises inner plate of car door 1, stirrup 2 and collision prevention girders 3.Inner plate of car door 1 wherein is the indent bathtub construction that punching press has flange, on the top of inner plate of car door 1 across being fixed with stirrup 2, stirrup 2 is that the steel pipe of 30mm is made by diameter, weld with front frame 2a and after poppet 2b respectively after flatten at its both ends, stirrup 2 is welded on two side flangings of inner plate of car door 1 by lowland, high back before front frame 2a and the after poppet 2b again.Stirrup 2 is reinforced the top of inner plate of car door 1; the raising of its strength and stiffness; help the dispersion and the conduction of impact force; can protect occupant's position, thoracic cavity; and car door is in the raising of the non-deformability at this position; can protect car door door lock position, the probability that car door can't be opened reduces greatly.At the middle part of inner plate of car door 1 across being fixed with the low collision prevention girders 3 in high back before two, collision prevention girders 3 is that the steel pipe of 25mm is made by diameter, the two side flangings welding of back and inner plate of car door 1 is flattened at its both ends, two collision prevention girders 3 are arranged in juxtaposition, the front portion of its pipe section is at a distance of about 20mm, and the rear portion of pipe section is at a distance of about 38mm; Spacing between stirrup 2 and the adjacent collision prevention girders 3, it also is the spacing that the spacing of pipe section front portion is slightly less than pipe section rear portion, thereby on whole length direction, spacing between stirrup 2 and the adjacent collision prevention girders 3 roughly is 3.5 times of two adjacent collision prevention girders 3 spacings, arrange reinforcement like this, power resistance strength, the transmission force property of car door are better.Two collision prevention girders 3 that steel pipe is made, bending strength and good rigidly help energy-absorbing and power transmission, and the deformation extent when alleviating car door and being subjected to clashing into is with protection occupant's abdominal cavity and hip.
Claims (5)
1. the collision protection structure of a front door of automobile, comprise inner plate of car door (1), it is characterized in that: on the top of described inner plate of car door (1) across the low stirrup (2) in high back before being fixed with, collision prevention girders (3) are hanged down across being fixed with at least two preceding high backs arranged side by side in middle part at described inner plate of car door (1), and described stirrup (2) and collision prevention girders (3) are the steel pipe that flatten at both ends; The spacing of described stirrup (2) and adjacent collision prevention girders (3) is 3～4 times of two adjacent collision prevention girders (3) spacings.
2. the collision protection structure of a kind of front door of automobile according to claim 1, it is characterized in that: described stirrup (2) and collision prevention girders (3) are made for pipe.
3. the collision protection structure of a kind of front door of automobile according to claim 2, it is characterized in that: described collision prevention girders (3) is two, its diameter is 22～28mm, between the two described collision prevention girders (3) at a distance of 20～50mm.
4. the collision protection structure of a kind of front door of automobile according to claim 1, it is characterized in that: described stirrup (2) is that diameter is the pipe of 25～32mm.
5. according to the collision protection structure of claim 1 or 4 described a kind of front door of automobile, it is characterized in that: the both ends of described stirrup (2) are welded with front frame (2a) and after poppet (2b), and described stirrup (2) is weldingly fixed on the inner plate of car door (1) by described forward and backward support (2a, 2b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202066366U CN201501366U (en) | 2009-10-12 | 2009-10-12 | Collision protection structure of front door of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202066366U CN201501366U (en) | 2009-10-12 | 2009-10-12 | Collision protection structure of front door of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201501366U true CN201501366U (en) | 2010-06-09 |
Family
ID=42452304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202066366U Expired - Fee Related CN201501366U (en) | 2009-10-12 | 2009-10-12 | Collision protection structure of front door of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201501366U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358254A (en) * | 2011-08-31 | 2012-02-22 | 无锡同捷汽车设计有限公司 | Universal bumper assembly of vehicle door |
-
2009
- 2009-10-12 CN CN2009202066366U patent/CN201501366U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358254A (en) * | 2011-08-31 | 2012-02-22 | 无锡同捷汽车设计有限公司 | Universal bumper assembly of vehicle door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100609 Termination date: 20151012 |
|
| EXPY | Termination of patent right or utility model |