CN201367003Y - Stress-type door invasion limiting structure for automobile side collision - Google Patents
Stress-type door invasion limiting structure for automobile side collision Download PDFInfo
- Publication number
- CN201367003Y CN201367003Y CNU200920073640XU CN200920073640U CN201367003Y CN 201367003 Y CN201367003 Y CN 201367003Y CN U200920073640X U CNU200920073640X U CN U200920073640XU CN 200920073640 U CN200920073640 U CN 200920073640U CN 201367003 Y CN201367003 Y CN 201367003Y
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- threshold
- car door
- pin
- stress
- circular hole
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Abstract
The utility model relates to a stress-type door invasion limiting structure for automobile side collision, which is characterized in that the invasion limiting structure is perpendicularly arranged in an automobile door inner cavity close to the upper part of a doorsill, and comprises a stop lever, a sealing ring, a blasting unit and an inflatable cylinder. The blasting unit is arranged on the same side as an air bag sensor arranged on a B pillar, connected with the air bag sensor, and communicated with the inflatable cylinder; the stop lever is arranged inside the inflatable cylinder, passes through the inflatable cylinder, and has a height matched with that of the inflatable cylinder; the inflatable cylinder is bottomless; a base is arranged on an automobile door sill beam; round holes matched with the inner diameter of the inflatable cylinder are respectively formed on the automobile door sill beam and the doorsill; the sealing ring is arranged at the head part of the stop lever; the outer diameter of the sealing ring is matched with the inner diameter of the inflatable cylinder; and the sealing ring can seal the inflatable cylinder. Through the addition of the rigid connecting points between the automobile door and the doorsill, the stress-type door invasion limiting structure effectively reduces the invasion speed and the invasion amount of the automobile door during the side collision process, and lowers the damage to passengers during the process of automobile side collision.
Description
Technical field
The utility model relates to a kind of auto-safety mechanism, particularly discloses a kind of automobile side impact and stress invade limiting mechanism by the formula car door.
Background technology
The manned vehicle of producing at home comprises car, SUV and MPV etc. at present, and its structure anti-car door in side collision is invaded performance and relatively poor to member's protective value.China's " passenger protection of automobile side impact " commencement of statute in 2006; increasing along with manned vehicle especially family saloon; each big car company all begins the research to the automobile side impact performance one after another; be the side face collision safety that improves manned vehicle and " passenger protection of the automobile side impact " rules that satisfy national compulsory enforcement; many schemes have been proposed; comprise and increase threshold and car door overlap joint scope; strengthen the rigidity of car door and the energy absorption capacity of raising car door, obtain better effects.But some manned vehicle is because structural limitations, threshold and car door overlap joint scope are less, about stoping the intrusion in side is hit of these sedan doors also not have special effective ways, sedan door is invaded and will be caused occupant space to diminish in collision process at present, causes the occupant severely injured even dead.
Summary of the invention
The purpose of this utility model is to solve above-mentioned prior art problem, provide a kind of automobile side impact to invade limiting mechanism by the formula car door, can reduce the intrusion speed and the intrusion amount of car door in the side impact process effectively, alleviate the occupant injury in the automobile side impact process.
The utility model is achieved in that a kind of automobile side impact stress the formula car door invades limiting mechanism, it is characterized in that: described invasion limiting mechanism vertically is provided with near the car door inner chamber above the threshold, invade limiting mechanism and comprise pin, seal ring, firing device, the inflation cylinder, firing device is in homonymy with air bag sensor on being installed in the B post and links to each other, firing device is connected with the inflation cylinder, pin is arranged in the inflation cylinder, pin can be walked in the inflation cylinder, pin height and inflation cylinder heights coupling, the inflation cylinder does not have the end, base is on the car door bottom girder, be equipped with and inflate the circular hole that barrel bore is complementary on car door bottom girder and the threshold, the pin head is provided with seal ring, and the seal ring external diameter is complementary with the inflation barrel bore, and seal ring can be with the sealing of inflation cylinder.The inboard of the above circular hole of threshold also is provided with the threshold brace panel, and threshold and threshold brace panel are connected as a single entity, and offers on the threshold brace panel and the identical circular hole of the above circular hole concentric diameter of threshold.Set circular hole is all with the capping of the tightening seal washer property covered up on circular hole on the described car door bottom girder and the threshold.When invading limiting mechanism work, the impulsive force that detonator detonates produces falls the pin attack, and pin inserts threshold and the described circular hole of threshold brace panel, and car door and threshold form and be rigidly connected.
Described inflation cylinder is installed on the side door inner panel by mounting bracket.Described firing device is installed in side door inner panel top, is mounted on side impact sensor on the B post by wire harness.Pin is installed in the inflator pump, and eject the inflation back.The threshold brace panel is installed on the threshold inner panel, strengthens threshold intensity.Each tightening seal washer adopts rubber material, is contained in side door inner panel left side respectively and encloses on the pin via hole on outside plate and the side door threshold inner panel, when the pin At time of eject is extruded by pin, and seals when not bumping.
The beneficial effects of the utility model are: in the time of automobile generation side collision accident, firing device can receive the instruction of side impact sensor and detonate, make inflator inflate, the impulsive force that gas filed pressure produces ejects the pin bar and extend in the threshold, be rigidly connected with the formation of restriction draw-in groove, can effectively reduce the intrusion speed of car door, reduce car door intrusion amount, thereby guaranteed occupant's living space, improved the side of vehicle and hit safety performance.
The utility model is described in further detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is prior art car door and gusset point of connection scheme drawing;
Fig. 2 adopts vehicle body and gusset point of connection scheme drawing after the utility model mechanism;
Fig. 3 adopts vehicle body side collision power transmission scheme drawing after the utility model mechanism;
Fig. 4 collides the A-A of preceding Fig. 3 to sectional schematic diagram;
Fig. 5 collides the A-A of back Fig. 3 to sectional schematic diagram.
In the drawings: 1, pin; 2, firing device; 3, threshold brace panel; 4, inflation cylinder; 5, car door bottom girder tightening seal washer; 6, threshold tightening seal washer; 7, threshold brace panel tightening seal washer; 8, car door; 9, gusset.
The specific embodiment
With reference to the accompanying drawings 1, it is less that prior art car door 8 and gusset 9 point of connection scheme drawings, threshold and side door overlap scope, and point of connection is less.
With reference to the accompanying drawings 2, a kind of automobile side impact of the utility model stress be invaded limiting mechanism by the formula car door, is installed in the arrangements for automotive doors 8, has increased the point of connection of car door 8 with gusset 9.
With reference to the accompanying drawings 4,5, the utility model includes by support and is fixed on inflation cylinder 4 on car door 8 inner panels, in the inflation cylinder pin 1 is housed, also comprise the firing device 2 that is installed in inner plate of car door top, and the threshold brace panel 3 that is installed in the threshold bottom, also have car door bottom girder tightening seal washer to be buckled on the lever via hole on the car door bottom girder in addition, the threshold tightening seal washer is buckled on the lever via hole on the threshold, threshold brace panel tightening seal washer is buckled in threshold and strengthens on the lever via hole in the class, wherein the lever via hole is arranged in a linear, and the via hole line of centres and lever line of centers are on same straight line.
With reference to the accompanying drawings 3,4 and 5, when body structure when side collision takes place, under the effect of extraneous impact force, the air bag of the side that the bumps sensor that detonates passes to the side firing device that bumps to signal by wire harness, the impulsive force of the gas that produces after the side that the bumps detonator detonates ejects pin 1, because tightening seal washer adopts the rubber quality, pin can flick tightening seal washer and directly directly be driven in the threshold brace panel by the pin via hole, car door and threshold are formed to be rigidly connected, avoid car door directly to slip over threshold, reduce car door invasion amount, reduce occupant injury, improve occupant's chances of survival.
With reference to the accompanying drawings 1,3, when prior art is subjected to side collision at vehicle body, the lap of car door and gusset is less, car door can directly slip over threshold when collision took place, and can not absorb energy by actv., only at car door and A post, the B post has and is rigidly connected, it is a little less to be rigidly connected, and causes car door intrusion amount excessive, the serious threat occupant safety.
And structure of the present utility model has increased between car door and threshold and has been rigidly connected, significantly increased the Joint strenght between car door and the gusset, strengthen the vehicle body integral rigidity, car door directly slips over threshold when stoping side collision, reduced car door intrusion amount to greatest extent, guarantee living space in occupant's car, improve occupant safety.
Below the mechanism of action of the present utility model is analyzed:
Analyze the force diagram of body structure when side impact shown in the accompanying drawing 3, as can be seen, car door and threshold lap-joint owing to the effect of extraneous impact force be subjected to Y to the effect of Z to power, side collision when taking place in the body structure of prior art because threshold is less with the car door overlapping region, threshold to car door Z to Y to the equal deficiency of the limitation capability of distortion, can cause car door directly to slip over threshold, invade the crew module, the aggravation occupant injury reduces occupant's chances of survival.By accompanying drawing 4,5 have used body structure of the present utility model as can be seen when side collision takes place, under the effect of extraneous impact force, the side air bag sensor that detonates passes to firing device to signal by wire harness, the impulsive force of the gas that produces after detonating is squeezed into pin 1 in the spacing hole of threshold brace panel, make car door and threshold form local being rigidly connected, when side impact takes place, can effectively resist Y that car door is subjected to Z to power, avoid car door directly to slip over threshold, reduce car door invasion amount, guaranteed occupant's living space, reduce occupant injury, improve occupant's chances of survival.Therefore, the utility model can better meet the requirement of collision rules, improves the side impact safety performance of vehicle.
Claims (4)
1. an automobile side impact stress be invaded limiting mechanism by the formula car door, it is characterized in that: described invasion limiting mechanism vertically is provided with near the car door inner chamber above the threshold, invade limiting mechanism and comprise pin, seal ring, firing device, the inflation cylinder, firing device is in homonymy with air bag sensor on being installed in the B post and links to each other, firing device is connected with the inflation cylinder, pin is arranged in the inflation cylinder, pin can be walked in the inflation cylinder, pin height and inflation cylinder heights coupling, the inflation cylinder does not have the end, base is on the car door bottom girder, be equipped with and inflate the circular hole that barrel bore is complementary on car door bottom girder and the threshold, the pin head is provided with seal ring, and the seal ring external diameter is complementary with the inflation barrel bore, and seal ring can be with the sealing of inflation cylinder.
2. a kind of automobile side impact according to claim 1 stress be invaded limiting mechanism by the formula car door, it is characterized in that: the inboard of the above circular hole of threshold also is provided with the threshold brace panel, threshold and threshold brace panel are connected as a single entity, and offer on the threshold brace panel and the identical circular hole of the above circular hole concentric diameter of threshold.
3. a kind of automobile side impact according to claim 1 stress be invaded limiting mechanism by the formula car door, and it is characterized in that: set circular hole is all with the capping of the tightening seal washer property covered up on circular hole on the described car door bottom girder and the threshold.
4. a kind of automobile side impact according to claim 1 and 2 stress be invaded limiting mechanism by the formula car door, it is characterized in that: when invading limiting mechanism work, the impulsive force that detonator detonates produces falls the pin attack, pin inserts threshold and the described circular hole of threshold brace panel, and car door and threshold form and be rigidly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920073640XU CN201367003Y (en) | 2009-02-18 | 2009-02-18 | Stress-type door invasion limiting structure for automobile side collision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920073640XU CN201367003Y (en) | 2009-02-18 | 2009-02-18 | Stress-type door invasion limiting structure for automobile side collision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201367003Y true CN201367003Y (en) | 2009-12-23 |
Family
ID=41485901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200920073640XU Expired - Fee Related CN201367003Y (en) | 2009-02-18 | 2009-02-18 | Stress-type door invasion limiting structure for automobile side collision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201367003Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113147903A (en) * | 2021-05-08 | 2021-07-23 | 大运汽车股份有限公司 | Structure for preventing rear door from sinking in during side collision |
-
2009
- 2009-02-18 CN CNU200920073640XU patent/CN201367003Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113147903A (en) * | 2021-05-08 | 2021-07-23 | 大运汽车股份有限公司 | Structure for preventing rear door from sinking in during side collision |
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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: 20091223 Termination date: 20160218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |