CN113147903A - Structure for preventing rear door from sinking in during side collision - Google Patents
Structure for preventing rear door from sinking in during side collision Download PDFInfo
- Publication number
- CN113147903A CN113147903A CN202110502349.5A CN202110502349A CN113147903A CN 113147903 A CN113147903 A CN 113147903A CN 202110502349 A CN202110502349 A CN 202110502349A CN 113147903 A CN113147903 A CN 113147903A
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- door
- coupling body
- side door
- threshold
- embedding
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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
- B62D25/02—Side panels
-
- 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
- B62D25/20—Floors or bottom sub-units
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a rear door inward-sinking prevention structure during side collision, which belongs to the field of automobile doors and is provided with a side door rotationally connected with a side wall plate; the doorsill is fixedly connected to the lower part of the side wall plate and is contacted with the side door; the coupling component comprises an embedded body fixedly connected on the side door and a coupling body fixedly connected on the threshold; the embedded body is connected with the coupling body in an embedded mode, wherein the side door is clamped with the coupling body under the action of external force, so that the side door and the doorsill are connected into a whole.
Description
Technical Field
The invention relates to the technical field of automobile doors, in particular to a structure for preventing a rear door from sinking in during side collision.
Background
When the car takes place the side collision, as shown in fig. 4, the back threshold is outwards overturned easily, lead to back door and the easy slippage of side wall overlap joint, the back door lower end is sunken obvious, it exceeds standard to drive whole back door Y to the invasion amount, if should solve this problem on original basis, need strengthen the threshold structure and stop the side and bump in-process threshold upset problem, and need strengthen the back door structure simultaneously, increase the area of contact of side door and side wall, guarantee that the in-process side wall that bumps at the side is effective to the support of side door, according to above requirement, automobile body weight will increase, and the structure is complicated, and the cost rises.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a rear door inward-sinking prevention structure during side collision.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention discloses a structure for preventing back door from sinking in during side collision, which comprises:
the side door is rotationally connected with the side wall plate;
the doorsill is fixedly connected to the lower part of the side wall plate and is contacted with the side door; and
the coupling component comprises an embedding body fixedly connected on the side door and a coupling body fixedly connected on the threshold;
the embedding body with the coupling body is connected with the form of embedding, wherein, the side door is receiving under the exogenic action, the embedding body with the coupling body block to make the side door with the threshold is connected as an organic wholely.
Further, the coupling body is connected in an embedded manner with the embedding body in a non-contact manner.
Further, the embedding body is the cylindricality structure of cylinder shape or circular cone shape, the coupling body is the sleeve pipe, wherein, when the side door is closed, the embedding body embedding the internal overlapping region that forms of coupling, the embedding body with the effective overlap volume of coupling 5-10 mm.
Further, the unilateral clearance between the embedding body and the coupling body is not more than mm.
Furthermore, one end of the coupling body is opened, the other end of the coupling body forms a closed structure through the bottom wall, and the closed end of the coupling body penetrates through the side coaming and is fixedly connected with the doorsill.
Further, embedding body one end is formed with the sphere, and the other end is formed with the boss, through the boss with side door fixed connection.
Further, the length of the embedded body is 50-70 mm.
Furthermore, the threshold is made of high-strength steel.
Furthermore, the doorsill is provided with an outer doorsill plate and an inner doorsill plate, the doorsill is located on the outer doorsill plate and fixedly connected with the side wall plate, the doorsill is located on the inner doorsill plate and fixedly connected with the vehicle body, and the coupling body penetrates through the side wall plate and fixedly connected with the outer doorsill plate.
Further, the side door has side door planking and side door inner panel, the side door inner panel corresponds the coupling body position has linked firmly the embedding body, the side door inner panel corresponds the embedding body position has linked firmly the reinforcing plate.
In the technical scheme, the structure for preventing the rear door from sinking in during side collision has the advantages that:
the structure for preventing the back door from sinking in the side collision is provided with the coupling component, the coupling component comprises an embedded body fixedly connected on the side door and a coupling body fixedly connected on the threshold, the side door and the threshold can be connected into a whole to absorb energy synchronously through the embedded body and the coupling body when the side collision occurs, the side door invasion is forcibly prevented, the damage to a human body caused by the large invasion of the side door is avoided, the integral safety coefficient of a vehicle is improved, through CAE analysis and verification, the problem that the side door 2 sinks in the side collision under the C-NCUP test condition is effectively solved, through analysis and comparison, the invasion of the side door 2 is reduced by 70 percent compared with the original invasion, through SE process analysis, the process is easy to implement, the weight is only increased by about 0.3kg compared with the original weight, and the structure has the advantages of simple structure, strong practicability and low cost.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic view of the overall structure of a rear door inward-sinking prevention structure in side impact according to the present invention;
FIG. 2 is a front view of an insert for a rear door trap prevention structure in a side impact configuration in accordance with the present disclosure;
FIG. 3 is a front view of a coupling body of a rear door trap prevention structure in a side impact configuration in accordance with the present disclosure;
fig. 4 is a diagram illustrating threshold inversion in the prior art.
Description of reference numerals:
a side coaming 1; a side door 2; a threshold 3; an insert 4; a coupling body 5;
a side door outer panel 201; a side door inner panel 202; a reinforcing plate 203;
a threshold outer panel 301; the sill inner panel 302.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1;
the invention relates to a structure for preventing a rear door from sinking in during side collision, which comprises:
a side door 2 rotatably connected with the side coaming 1;
the doorsill 3 is fixedly connected to the lower part of the side coaming 1 and is contacted with the side door 2; and
the coupling component comprises an embedded body 4 fixedly connected on the side door 2 and a coupling body 5 fixedly connected on the threshold 3;
the embedded body 4 and the coupling body 5 are connected in an embedded manner, wherein the embedded body 4 and the coupling body 5 are clamped under the action of external force on the side door 2, so that the side door 2 and the threshold 3 are connected into a whole.
Specifically, one side of a side door 2 is rotatably connected with a side wall plate 1 through a hinge, the lower part of the side wall plate 1 is fixedly connected with a threshold 3, the threshold 3 is fixedly connected with a vehicle body, and a coupling part is provided with an embedding body 4 and a coupling body 5;
the embedded body 4 is fixedly connected with the side door 2 through a welding process, the coupling body 5 is fixedly connected with the doorsill 3 through a welding process, preferably, the length of the embedded body 4 is 50-70mm, the embedded body 4 can be overlapped with the coupling body 5 and can be embedded into the coupling body 5 in a non-contact manner, the side door 2 can be favorably ensured to be smoothly opened or closed, in addition, the embedded body 4 forms a displacement track in the coupling body 5, when the side door 2 is subjected to the action of external force and generates an inward invasion trend, the embedded body 4 is clamped with the coupling body 5 along the displacement track in the coupling body 5, the side door 2 and the doorsill 3 are connected into a whole to absorb energy synchronously, the inward invasion of the side door 2 is forcibly prevented, the damage to a human body caused by the large invasion of the side door 2 is avoided, the integral safety factor of a vehicle is improved;
referring to fig. 2 and 3, in a preferred embodiment, the embedding body 4 is a cylindrical structure with a cylindrical shape or a conical shape, the coupling body 5 is a sleeve, specifically, the embedding body 4 is a steel column, and the coupling body 5 is a rigid sleeve, wherein when the side door 2 is closed, the embedding body 4 is embedded into the coupling body 5 to form an overlapping region, and the effective overlapping amount of the embedding body 4 and the coupling body 5 is 5-10 mm, so that the coupling body 5 and the embedding body 4 are prevented from interfering when the side door 2 is closed or opened.
Referring to fig. 1, in the preferred embodiment, the unilateral clearance between the embedded body 4 and the coupling body 5 is not more than 5mm, so that the movement clearance of the side door 2 in the opening process is met, interference is avoided, the diameter of the preferred column is controlled to be 20-25mm, and the inner diameter of the steel sleeve is controlled to be 25-30 mm;
referring to fig. 1, in the preferred embodiment, one end of the coupling body 5 is open, and the other end forms a closed structure through the bottom wall, and the closed end of the coupling body 5 penetrates through the side wall 1 and is fixedly connected with the threshold 3. Specifically, a boss contacting with the side enclosing plate 1 is formed at the opening end of the coupling body 5, and one end of the coupling body 5 is set to be a closed end, so that the sealing performance of the coupling body 5 is ensured, and liquid or dust is prevented from entering the interior of the vehicle body from the coupling body 5;
referring to fig. 1, in a preferred embodiment, one end of the insert 4 is formed with a spherical surface, and the other end is formed with a boss, and the insert is fixedly connected with the side door 2 through the boss, which is beneficial to increasing the contact area between the insert 4 and the side door 2.
Referring to fig. 1, in the preferred embodiment, the rocker 3 is made of high-strength steel. When side collision occurs, the embedded body 4 cannot be separated from the coupling body 5, when the side door 2 is extruded and deformed to a limit position, the embedded body 4 and the coupling body 5 simultaneously invade, because the threshold 3 is made of high-strength steel and has small deformation in the collision process, when the lower end of the side door 2 is stressed and invaded, the coupling body 5 can limit the motion of the embedded body 4, the embedded body 4 is clamped with the coupling body 5, the embedded body 4 is fixedly connected with the side door 2, the coupling body 5 is fixedly connected with the threshold 3, the embedded body 4 and the coupling body 5 forcibly prevent the invasion of the side door 2, the damage to a human body caused by the large invasion of the side door 2 is avoided, the use safety of a vehicle is improved, the structure is analyzed and verified by CAE, the problem that the side door 2 is sunken under the C-NCUP test condition is effectively solved, through analysis and comparison, the invasion of the side door 2 is reduced by 70% compared with the original invasion value, and the Y inward invasion value of the region is reduced to 120mm from the original 185mm, the target requirement that the intrusion amount is less than 160mm is met, the process is easy to implement through SE process analysis, the weight is only increased by about 0.3kg compared with the original weight, and the manufacturing cost is low.
Referring to fig. 1, in the preferred embodiment, the rocker 3 has an outer rocker panel 301 and an inner rocker panel 302, the rocker 3 is located on the outer rocker panel 301 and fixedly connected with the side wall panel 1, the rocker 3 is located on the inner rocker panel 302 and fixedly connected with the vehicle body, and the coupling body 5 penetrates through the side wall panel 1 and fixedly connected with the outer rocker panel 301.
Referring to fig. 1, in the preferred embodiment, the side door 2 has a side door outer panel 201 and a side door inner panel 202, the side door inner panel 202 is fixedly connected with the insert 4 corresponding to the coupling body 5, and the side door inner panel 202 is fixedly connected with the reinforcement panel 203 corresponding to the insert 4. The reinforcement plate 203 ensures that the side door inner panel 202 does not tear or the insert 4 does not fall off during a force application.
In the technical scheme, the invention provides a rear door inward-sinking prevention structure during side collision;
has the advantages that: the structure for preventing the back door from sinking in the side collision is provided with the coupling component, the coupling component comprises an embedded body fixedly connected on the side door and a coupling body fixedly connected on the threshold, the side door and the threshold can be connected into a whole to absorb energy synchronously through the embedded body and the coupling body when the side collision occurs, the side door invasion is forcibly prevented, the damage to a human body caused by the large invasion of the side door is avoided, the integral safety coefficient of a vehicle is improved, through CAE analysis and verification, the problem that the side door 2 sinks in the side collision under the C-NCUP test condition is effectively solved, through analysis and comparison, the invasion of the side door 2 is reduced by 70 percent compared with the original invasion, through SE process analysis, the process is easy to implement, the weight is only increased by about 0.3kg compared with the original weight, and the structure has the advantages of simple structure, strong practicability and low cost.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. The utility model provides a rear door undercut structure when preventing side impact which characterized in that includes:
a side door (2) rotatably connected with the side coaming (1);
the doorsill (3) is fixedly connected to the lower part of the side coaming (1) and is contacted with the side door (2); and
the coupling component comprises an embedding body (4) fixedly connected on the side door (2) and a coupling body (5) fixedly connected on the doorsill (3);
the embedding body (4) with the form of the coupling body (5) with the embedding is connected, wherein, side door (2) is under receiving the exogenic action, embedding body (4) with coupling body (5) block, so that make side door (2) with threshold (3) are connected as an organic wholely.
2. The structure for preventing the rear door from being recessed in a side impact as claimed in claim 1;
the coupling body (5) is connected in an embedded manner in a contactless manner to the embedding body (4).
3. The structure for preventing the rear door from being recessed in a side impact as claimed in claim 2;
inlay body (4) are the cylindricality structure of cylinder shape or conical shape, coupling body (5) are the sleeve pipe, wherein, when side door (2) are closed, inlay body (4) embedding coupling body (5) inside overlap region that forms, inlay body (4) with the effective overlap volume 5-10 mm of coupling body (5).
4. A rear door intrusion prevention structure according to claim 3, wherein;
the unilateral clearance between the embedded body (4) and the coupling body (5) is not more than 5 mm.
5. A rear door intrusion prevention structure according to claim 3, wherein;
one end of the coupling body (5) is opened, the other end of the coupling body forms a closed structure through the bottom wall, and the closed end of the coupling body (5) penetrates through the side coaming (1) and the doorsill (3) to be fixedly connected.
6. A rear door intrusion prevention structure according to claim 3, wherein;
embedding body (4) one end is formed with the sphere, and the other end is formed with the boss, through the boss with side door (2) fixed connection.
7. The structure for preventing the rear door from being recessed in a side impact as claimed in claim 2;
the length of the embedded body (4) is 50-70 mm.
8. The structure for preventing the rear door from being recessed in a side impact as claimed in claim 1;
the doorsill (3) is made of high-strength steel.
9. The structure for preventing the rear door from being recessed at the time of side impact as claimed in claim 8, wherein;
threshold (3) have threshold planking (301) and threshold inner panel (302), threshold (3) are located threshold planking (301) and side bounding wall (1) fixed connection, threshold (3) are located threshold inner panel (302) and automobile body fixed connection, coupling body (5) run through side bounding wall (1) with threshold planking (301) fixed connection.
10. The structure for preventing the rear door from being recessed in a side impact as claimed in claim 1;
side door (2) have side door planking (201) and side door inner panel (202), side door inner panel (202) correspond coupling body (5) position has linked firmly the embedding body (4), side door inner panel (202) correspond embedding body (4) position has linked firmly reinforcing plate (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110502349.5A CN113147903A (en) | 2021-05-08 | 2021-05-08 | Structure for preventing rear door from sinking in during side collision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110502349.5A CN113147903A (en) | 2021-05-08 | 2021-05-08 | Structure for preventing rear door from sinking in during side collision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113147903A true CN113147903A (en) | 2021-07-23 |
Family
ID=76873965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110502349.5A Pending CN113147903A (en) | 2021-05-08 | 2021-05-08 | Structure for preventing rear door from sinking in during side collision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113147903A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101070871A (en) * | 2006-05-09 | 2007-11-14 | 通用汽车环球科技运作公司 | Arrangements for attaching components to surfaces |
| JP2008087741A (en) * | 2006-10-05 | 2008-04-17 | Toyota Motor Corp | Reinforcement structure for vehicle door |
| CN201235731Y (en) * | 2008-06-04 | 2009-05-13 | 上海世科嘉车辆技术研发有限公司 | Side collision door intrusion limitation structure of sports car |
| CN101585311A (en) * | 2008-11-27 | 2009-11-25 | 奇瑞汽车股份有限公司 | Automobile body collision reinforcement structure |
| CN201367003Y (en) * | 2009-02-18 | 2009-12-23 | 上海世科嘉车辆技术研发有限公司 | Stress-type door invasion limiting structure for automobile side collision |
| CN201415603Y (en) * | 2009-05-20 | 2010-03-03 | 奇瑞汽车股份有限公司 | Vehicle door structure for preventing side door invasion |
| JP2013091394A (en) * | 2011-10-25 | 2013-05-16 | Toyota Motor East Japan Inc | Vehicle including side door equipped with impact beam |
| KR20140141039A (en) * | 2013-05-31 | 2014-12-10 | 현대자동차주식회사 | Reinforcing structure of side sill and door for vehicle |
| CN204161057U (en) * | 2013-09-16 | 2015-02-18 | 福特环球技术公司 | The anti-intrusion device of car door, vehicle body |
-
2021
- 2021-05-08 CN CN202110502349.5A patent/CN113147903A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101070871A (en) * | 2006-05-09 | 2007-11-14 | 通用汽车环球科技运作公司 | Arrangements for attaching components to surfaces |
| JP2008087741A (en) * | 2006-10-05 | 2008-04-17 | Toyota Motor Corp | Reinforcement structure for vehicle door |
| CN201235731Y (en) * | 2008-06-04 | 2009-05-13 | 上海世科嘉车辆技术研发有限公司 | Side collision door intrusion limitation structure of sports car |
| CN101585311A (en) * | 2008-11-27 | 2009-11-25 | 奇瑞汽车股份有限公司 | Automobile body collision reinforcement structure |
| CN201367003Y (en) * | 2009-02-18 | 2009-12-23 | 上海世科嘉车辆技术研发有限公司 | Stress-type door invasion limiting structure for automobile side collision |
| CN201415603Y (en) * | 2009-05-20 | 2010-03-03 | 奇瑞汽车股份有限公司 | Vehicle door structure for preventing side door invasion |
| JP2013091394A (en) * | 2011-10-25 | 2013-05-16 | Toyota Motor East Japan Inc | Vehicle including side door equipped with impact beam |
| KR20140141039A (en) * | 2013-05-31 | 2014-12-10 | 현대자동차주식회사 | Reinforcing structure of side sill and door for vehicle |
| CN204161057U (en) * | 2013-09-16 | 2015-02-18 | 福特环球技术公司 | The anti-intrusion device of car door, vehicle body |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210723 |
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| RJ01 | Rejection of invention patent application after publication |