CN220483057U - Door bumper, door and car - Google Patents
Door bumper, door and car Download PDFInfo
- Publication number
- CN220483057U CN220483057U CN202322152170.9U CN202322152170U CN220483057U CN 220483057 U CN220483057 U CN 220483057U CN 202322152170 U CN202322152170 U CN 202322152170U CN 220483057 U CN220483057 U CN 220483057U
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- collision
- door
- reinforcing
- cavity
- force receiving
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 66
- 230000007423 decrease Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000009545 invasion Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Abstract
The application discloses a door anti-collision rod, a door and an automobile, wherein the door anti-collision rod comprises a collision part and a force receiving part extending from one end of the collision part; the collision part is provided with at least two first reinforcing cavities, each first reinforcing cavity extends along the length direction of the collision part, and all the first reinforcing cavities are arranged along the width direction of the collision part; the stress part is provided with at least one second reinforcing cavity, the second reinforcing cavity extends along the length direction of the stress part, and the number of the second reinforcing cavities is smaller than that of the first reinforcing cavities. This application sets up first enhancement cavity in order to strengthen the rigidity of collision portion at collision portion, sets up the second at the atress portion simultaneously and strengthens the cavity in order to guarantee the rigidity of atress portion to set up the quantity of second enhancement cavity and be less than the quantity of first enhancement cavity, make the rigidity of collision portion be greater than the rigidity of atress portion, can strengthen the rigidity of collision portion, reduced cost and crash bar weight again.
Description
Technical Field
The application relates to the technical field of automobile crashproof, in particular to a car door crashproof rod, a car door and an automobile.
Background
When the automobile is in side collision, the automobile door invades the automobile cabin to cause larger personal injury to passengers, and particularly, the problem of the automobile door invasion during side collision is larger for front driver passengers. In order to reduce the injury of side collision to passengers, an anti-collision rod is required to be arranged on the inner side of the vehicle door and used for absorbing side collision energy when the side collision occurs, so that the living space of the passenger cabin is ensured. Therefore, the area of the anti-collision rod close to the passenger needs to have enough rigidity to prevent collision deformation, and the rigidity is mainly improved by increasing the thickness of the area or adopting a material with higher rigidity in the area in the prior art, so that the cost of the anti-collision rod is increased by the two modes, which is not beneficial to project development, and meanwhile, the weight of the vehicle door is increased, which is not beneficial to the light-weight design of the whole vehicle.
Disclosure of Invention
The purpose of this application is overcome among the prior art the bumper beam with high costs, the not enough in the weight, provides a low-cost and lightweight door bumper beam, door and car.
The technical scheme of the application provides a vehicle door anti-collision rod, which comprises a collision part and a force receiving part extending from one end of the collision part;
the collision part is provided with at least two first reinforcing cavities, each first reinforcing cavity extends along the length direction of the collision part, and all the first reinforcing cavities are arranged along the width direction of the collision part;
the stress part is provided with at least one second reinforcing cavity, the second reinforcing cavity extends along the length direction of the stress part, and the number of the second reinforcing cavities is smaller than that of the first reinforcing cavities.
Further, the door bumper is a stamping section, the first reinforcing cavity and the second reinforcing cavity are concave parts formed by stamping in the same direction, and the concave depth of the first reinforcing cavity is greater than or equal to the concave depth of the second reinforcing cavity, and/or the width of the first reinforcing cavity is greater than or equal to the width of the second reinforcing cavity.
Further, the width of the collision part is larger than the width of the force receiving part;
the collision portion is connected the one end of atress portion is equipped with the linkage segment, the linkage segment is in towards the direction of atress portion the width reduces gradually.
Further, the portion of the first reinforcing cavity located on the connecting section is gradually reduced in depth in a direction towards the force receiving portion.
Further, two first mounting plates are arranged at one end of the collision part, which is far away from the stress part, and the two first mounting plates are formed by opposite edges of the collision part in the width direction in a reverse extending mode.
Further, one end of the stress part, which is far away from the collision part, is provided with a second mounting plate, and the second mounting plate extends out along the length direction of the stress part.
Further, two wire harness connecting plates are arranged on the stress part, and the two wire harness connecting plates extend towards two ends in the width direction respectively.
The technical scheme of the application also provides a vehicle door, which comprises a vehicle door inner plate and the vehicle door anti-collision rod, wherein the vehicle door anti-collision rod is installed on the inner side of the vehicle door inner plate.
Further, two first mounting plates are arranged at one end of the collision part, which is far away from the stress part, and extend towards two ends in the width direction respectively and are connected with the vehicle door inner plate;
one end of the stress part, which is far away from the collision part, is provided with a second mounting plate, and the second mounting plate extends out along the length direction of the stress part and is connected with the inner plate of the vehicle door.
The technical scheme of the application also provides an automobile, comprising the automobile door bumper bar and/or the automobile door.
After the technical scheme is adopted, the method has the following beneficial effects:
this application sets up first enhancement cavity in order to strengthen the rigidity of collision portion at collision portion, sets up the second at the atress portion simultaneously and strengthens the cavity in order to guarantee the rigidity of atress portion to set up the quantity of second enhancement cavity and be less than the quantity of first enhancement cavity, make the rigidity of collision portion be greater than the rigidity of atress portion, can strengthen the rigidity of collision portion, reduced cost and crash bar weight again.
Drawings
The disclosure of the present application will become more readily understood with reference to the accompanying drawings. It should be understood that: the drawings are for illustrative purposes only and are not intended to limit the scope of the present application. In the figure:
FIG. 1 is a schematic structural view of a door impact beam according to an embodiment of the present application;
FIG. 2 is a schematic view of a structure of a door bumper post after being deformed by a collision in an embodiment of the present application;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 1;
fig. 5 is a schematic view of a structure of a vehicle door in an embodiment of the present application.
Reference numeral control table:
door bumper 1:
collision portion 01: the first reinforcing cavity 11, the connecting section 12 and the first mounting plate 13;
force receiving portion 02: a second reinforcing cavity 21, a second mounting plate 22, and a harness connecting plate 23;
a door inner panel 2.
Detailed Description
Specific embodiments of the present application are further described below with reference to the accompanying drawings.
It is easy to understand that, according to the technical solution of the present application, those skilled in the art may replace various structural manners and implementation manners without changing the true spirit of the present application. Accordingly, the following detailed description and drawings are merely illustrative of the present application and are not intended to be exhaustive or to be limiting of the application.
Terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible to be mentioned in the present specification are defined with respect to the configurations shown in the drawings, which are relative concepts, and thus may be changed according to different positions and different use states thereof. These and other directional terms should not be construed as limiting terms. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two components. The above-described specific meanings belonging to the present application are understood as appropriate by those of ordinary skill in the art.
Embodiment one:
the door impact beam 1 in the embodiment of the present application, as shown in fig. 1, includes a collision portion 01 and a force receiving portion 02 extending from one end of the collision portion 01;
as shown in fig. 3, at least two first reinforcing cavities 11 are provided on the collision portion 01, each first reinforcing cavity 11 extending in the length direction of the collision portion 01, and all the first reinforcing cavities 11 being arranged in the width direction of the collision portion 01;
as shown in fig. 4, the stress portion 02 is provided with at least one second reinforcing cavity 21, the second reinforcing cavity 21 extends along the length direction of the stress portion 02, and the number of the second reinforcing cavities 21 is smaller than that of the first reinforcing cavities 11.
The door bumper 1 is used for being installed on the inner side of a door, the collision part 01 and the stress part 02 are arranged on the same straight line, the collision part 01 is arranged on the side close to an occupant, the stress part 02 is arranged on the side far away from the occupant, and the rigidity of the collision part 01 is larger than that of the stress part 02. When the automobile collides laterally, the collision part 01 receives a lateral collision force, and the lateral collision force is transmitted to the junction of the collision part 01 and the stress part 02 along the collision part 01, so that the automobile door anti-collision rod 1 is bent at the junction of the collision part 01 and the stress part 02, and the bent automobile door anti-collision rod 1 is shown in fig. 2. The collision bending position of the door anti-collision rod 1 is preset at the junction of the collision part 01 and the stress part 01, so that the invasion amount of the door to the passenger cabin when side collision occurs is reduced.
The rigidity of the collision part 01 and the stress part 02 is ensured by arranging the first reinforcing cavity 11 and the second reinforcing cavity 21 on the collision part 01 and the stress part 02 respectively, and the first reinforcing cavity 11 and the second reinforcing cavity 21 can absorb energy when the collision part 01 is collided, so that the deformation amount of the vehicle door bumper bar 1 is reduced.
Wherein, set up two at least first enhancement cavitys 11 on the collision portion 01, set up at least second enhancement cavity 21 on the atress portion 02 to guarantee that the quantity of second enhancement cavity 21 is less than the quantity of first enhancement cavity 11, with guaranteeing the rigidity difference between collision portion 01 and the atress portion 02, make collision portion 01 can take place to buckle in the junction of atress portion 02 and collision portion 01 when receiving the collision. Fig. 3 and 4 show an example in which the number of the first reinforcing cavities 11 is two and the number of the second reinforcing cavities 21 is one.
The door bumper beam 1 in this application embodiment sets up first enhancement cavity 11 in order to strengthen the rigidity of collision portion 01 at collision portion 01, sets up the rigidity that the second strengthened cavity 21 in order to guarantee atress portion 02 at atress portion 02 simultaneously to set up the quantity that the second strengthened cavity 21 is less than the quantity of first enhancement cavity 11, make the rigidity of collision portion 01 be greater than the rigidity of atress portion 02, can strengthen the rigidity of collision portion 01, reduced cost and bumper beam weight again.
In one embodiment, the door bumper is a stamped section, the first reinforcing cavity 11 and the second reinforcing cavity 21 are concave portions formed by stamping in the same direction, and the concave depth of the first reinforcing cavity 11 is greater than or equal to the concave depth of the second reinforcing cavity 21, and/or the width of the first reinforcing cavity 11 is greater than or equal to the width of the second reinforcing cavity 21.
In the embodiment of the application, the concave directions of the first reinforcing cavity 11 and the second reinforcing cavity 21 are the same, so that the joint of the collision part 01 and the stress part 02 has no obvious step; the depth of the first reinforcing cavity 11 is larger than or equal to that of the second reinforcing cavity 21, the larger the concave depth is, the larger the force absorption effect of the reinforcing cavity is, and the rigidity of the collision part 01 is larger than that of the stress part 02; or the width of the first reinforcing cavity 11 is larger than that of the second reinforcing cavity 21, so that the width of the collision part 01 is larger than that of the force receiving part 02, and the rigidity of the collision part 01 can be improved.
In one embodiment, the width of the impact portion 01 is greater than the width of the force receiving portion 02;
one end of the collision part 01 connected with the force receiving part 02 is provided with a connecting section 12, and the width of the connecting section 12 gradually decreases in the direction towards the force receiving part 02.
Specifically, the width of the collision portion 01 is larger than the width of the force receiving portion 02, so that the rigidity of the collision portion 01 is larger than the rigidity of the force receiving portion 02. Meanwhile, in order to realize gradual transition of the width between the collision part 01 and the force receiving part 02, a connecting section 12 is arranged at one end of the collision part 01 connected with the force receiving part 02, and the width of the connecting section 12 gradually decreases in the direction towards the force receiving part 01. The length of the connecting section 12 is equal to or less than the length of the collision portion 01.
Preferably, the recess depth of the portion of the first reinforcing cavity 11 located on the connecting section 12 gradually decreases to the depth of the second reinforcing cavity 21 in the direction toward the force receiving portion 02, so as to realize gradual transition of the recess depth of the first reinforcing cavity 11.
In one embodiment, two first mounting plates 13 are disposed at one end of the collision portion 01 away from the force receiving portion 02, and the two first mounting plates 13 are respectively formed by opposite edges of the collision portion in the width direction.
Two first mounting plates 13 are used for welding to the door so that one end of the collision portion 01 of the door impact beam 1 is connected to the door. According to the vehicle door collision protection system, the first mounting plates 13 are directly arranged at the two ends of the collision part 01, which are far away from the end of the force receiving part 02, in the width direction, respectively, the end part, close to the collision part 01, of the vehicle door collision prevention rod 1 has stronger rigidity, and when collision occurs, collision signals can be transmitted to the vehicle body after being transmitted to the end, which is far away from the force receiving part 02, of the collision part 01, so that the ignition device of the vehicle collision protection system is triggered. Compared with the scheme that the mounting plate extends out of the end part of the collision part 01 along the length direction in the prior art, the collision force can be transmitted to the ignition device more quickly, so that the triggering time of the collision protection system is shortened.
In one embodiment, a second mounting plate 22 is disposed at an end of the force receiving portion 02 away from the collision portion 01, and the second mounting plate 22 extends along the length direction of the force receiving portion 02. The second mounting plate 22 is used for welding on the door so that one end of the force receiving portion 02 of the door impact beam 1 is connected to the door.
The stress part 02 is also provided with two wire harness connecting plates 23, the two wire harness connecting plates 23 extend towards two ends in the width direction respectively, and screw holes are formed in the two wire harness connecting plates for connecting wire harnesses. The wire harness connecting plate 23 is provided at the middle position of the force receiving portion 02 so as to avoid interference with the second mounting plate, and such a setting can improve the material utilization ratio as compared with the case where the wire harness connecting plate 23 is provided on the collision portion 01.
The above technical schemes can be combined according to the need to achieve the best technical effect.
Embodiment two:
the technical scheme of the application also provides a vehicle door, as shown in fig. 5, comprising a vehicle door inner plate 2 and the vehicle door bumper bar 1 of the first embodiment, wherein the vehicle door bumper bar 1 is installed on the inner side of the vehicle door inner plate 2.
Specifically, the door bumper 1 is welded to the inner side of the door inner panel 2 diagonally, the collision portion 01 is provided at one end close to the occupant, and the force receiving portion 02 is provided at one end far from the occupant. The collision part 01 is provided with two first mounting plates 13 at one end far away from the force receiving part 02, the two first mounting plates 13 extend towards two ends in the width direction respectively, one second mounting plate 22 is arranged at one end far away from the collision part 01 of the force receiving part 02, the second mounting plate 22 extends along the length direction of the force receiving part 02, the force receiving part 02 is also provided with two wire harness connecting plates 23, and the two wire harness connecting plates 23 extend towards two ends in the width direction respectively; the first mounting plate 13, the second mounting plate 22, and the harness connecting plate 23 are all welded to the door inner panel 2.
The door bumper 1 is installed in the inboard of door inner panel 2, and when the door received the side to hit, collision portion 01 received the side to hit the power, and the side is hit the power and can be followed collision portion 01 and is transmitted to atress portion 02 and make door bumper 1 buckle in the juncture of collision portion 01 and atress portion 02, and door bumper 1 has absorbed the collision power, reduces the invasion volume of door to passenger cabin when the side bumps and takes place. The vehicle door according to the embodiment of the present application includes the vehicle door anti-collision bar provided in the foregoing embodiment, and since the vehicle door according to the embodiment of the present application has the same advantages as the vehicle door anti-collision bar provided in the foregoing embodiment, the description thereof will not be repeated.
Embodiment III:
the technical scheme of the application also provides an automobile, which comprises the automobile door bumper bar of the first embodiment and/or the automobile door of the second embodiment.
What has been described above is merely illustrative of the principles and preferred embodiments of the present application. It should be noted that, for a person skilled in the art, embodiments which are obtained by appropriately combining the technical solutions respectively disclosed in the different embodiments are also included in the technical scope of the present utility model, and that several other modifications are possible on the basis of the principles of the present application and should also be regarded as the protection scope of the present application.
Claims (10)
1. A door impact beam, characterized by comprising a collision part and a force receiving part extending from one end of the collision part;
the collision part is provided with at least two first reinforcing cavities, each first reinforcing cavity extends along the length direction of the collision part, and all the first reinforcing cavities are arranged along the width direction of the collision part;
the stress part is provided with at least one second reinforcing cavity, the second reinforcing cavity extends along the length direction of the stress part, and the number of the second reinforcing cavities is smaller than that of the first reinforcing cavities.
2. The door impact beam according to claim 1, wherein the door impact beam is a stamped profile, the first reinforcing cavity and the second reinforcing cavity are concave portions stamped in the same direction, a concave depth of the first reinforcing cavity is equal to or greater than a concave depth of the second reinforcing cavity, and/or a width of the first reinforcing cavity is equal to or greater than a width of the second reinforcing cavity.
3. The door impact beam according to claim 1, wherein a width of the collision portion is larger than a width of the force receiving portion;
the collision portion is connected the one end of atress portion is equipped with the linkage segment, the linkage segment is in towards the direction of atress portion the width reduces gradually.
4. The door bumper according to claim 3, wherein a portion of the first reinforcing cavity located on the connecting section gradually decreases in depth in a direction toward the force receiving portion.
5. The door bumper according to claim 1, wherein two first mounting plates are provided at an end of the collision portion remote from the force receiving portion, the two first mounting plates being formed by opposite edges of the collision portion in the width direction extending in opposition, respectively.
6. The door bumper of claim 1, wherein a second mounting plate is provided at an end of the force receiving portion remote from the collision portion, the second mounting plate extending in a longitudinal direction of the force receiving portion.
7. The door bumper according to claim 6, wherein the force receiving portion is provided with two harness connecting plates, and the two harness connecting plates extend toward both ends in the width direction, respectively.
8. A vehicle door comprising a door inner panel and the door impact bar according to any one of claims 1 to 7, the door impact bar being mounted on an inner side of the door inner panel.
9. The vehicle door according to claim 8, wherein one end of the collision portion away from the force receiving portion is provided with two first mounting plates, and the two first mounting plates extend toward both ends in the width direction and are connected to the vehicle door inner panel, respectively;
one end of the stress part, which is far away from the collision part, is provided with a second mounting plate, and the second mounting plate extends out along the length direction of the stress part and is connected with the inner plate of the vehicle door.
10. An automobile comprising the door bumper according to any one of claims 1 to 7 and/or the door according to claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322152170.9U CN220483057U (en) | 2023-08-10 | 2023-08-10 | Door bumper, door and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322152170.9U CN220483057U (en) | 2023-08-10 | 2023-08-10 | Door bumper, door and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220483057U true CN220483057U (en) | 2024-02-13 |
Family
ID=89841396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322152170.9U Active CN220483057U (en) | 2023-08-10 | 2023-08-10 | Door bumper, door and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220483057U (en) |
-
2023
- 2023-08-10 CN CN202322152170.9U patent/CN220483057U/en active Active
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