CN218258373U - Force transmission structure at front part of automobile body and automobile body - Google Patents
Force transmission structure at front part of automobile body and automobile body Download PDFInfo
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- CN218258373U CN218258373U CN202221833205.4U CN202221833205U CN218258373U CN 218258373 U CN218258373 U CN 218258373U CN 202221833205 U CN202221833205 U CN 202221833205U CN 218258373 U CN218258373 U CN 218258373U
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- force transmission
- transmission structure
- longitudinal beam
- vehicle body
- cabin longitudinal
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Abstract
The utility model provides a force transmission structure at the front part of a vehicle body and a vehicle body, the force transmission structure at the front part of the vehicle body comprises a cabin longitudinal beam, a wheel cover side beam and a first force transmission structure connected between the front end of the cabin longitudinal beam and the front end of the wheel cover side beam; and a second force transmission structure is arranged at the rear side of the first force transmission structure, and a gap for deforming the cabin longitudinal beam is formed between the second force transmission structure and the cabin longitudinal beam. The force transmission structure at the front part of the vehicle body can transmit the collision force to the cabin longitudinal beam by arranging the first force transmission structure, so that the cabin longitudinal beam can absorb energy and deform, the offset of the vehicle body in the width direction can be increased, and the invasion amount of a cab can be effectively reduced; in addition, the second force transmission structure is arranged, and a gap for deformation of the cabin longitudinal beam is formed between the second force transmission structure and the cabin longitudinal beam, so that the force transmission effect to the cabin longitudinal beam can be further improved, and the front part of the cabin longitudinal beam can be effectively prevented from being broken due to stress concentration of the cabin longitudinal beam.
Description
Technical Field
The utility model relates to the field of vehicle technology, in particular to anterior force transmission structure of automobile body, simultaneously, the utility model discloses still relate to an automobile body with anterior force transmission structure of this automobile body.
Background
At present, in order to cope with 25% of collision tests, at the beginning of vehicle body design, the material performance of high-strength steel is mainly utilized to absorb more energy, or the design of the front part of an engine compartment is optimized, so that peripheral parts such as a vehicle body, an auxiliary frame and the like are utilized to absorb collision force together. However, the use of high strength steel materials increases the production costs, and optimizing the engine compartment front design requires improvements to a greater number of components. The cabin longitudinal beam is used as an important part of the vehicle, under the working condition of small offset collision, the overlapping area of the barrier and the cabin longitudinal beam is small, the cabin longitudinal beam cannot play a good energy absorption role in 25% of collision, the intrusion amount of a 25% front collision cab is large, and the passenger injury is large.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to a force transmission structure at the front of a vehicle body to improve the energy absorption effect of a longitudinal beam of a cabin and effectively reduce the intrusion of a cab.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a force transmission structure at the front part of a vehicle body comprises a cabin longitudinal beam, a wheel cover side beam and a first force transmission structure connected between the front end of the cabin longitudinal beam and the front end of the wheel cover side beam;
and a second force transmission structure is arranged on the rear side of the first force transmission structure, and a gap for deforming the cabin longitudinal beam is formed between the second force transmission structure and the cabin longitudinal beam.
Further, the gap is between 8mm and 12 mm.
Further, the length of the second force transmission structure in the length direction of the vehicle body is gradually increased along the direction close to the cabin longitudinal beam.
Furthermore, the second force transmission structure is a right triangle and is provided with a first right-angle side and a second right-angle side, the first right-angle side is connected with the first force transmission structure, and the second right-angle side and the cabin longitudinal beam form the gap.
Furthermore, the second force transmission structure comprises a structure main body, the cross section of the structure main body is U-shaped, the structure main body is provided with two side plates which are oppositely arranged, a support plate is arranged between the two side plates, and the support plate is arranged close to the cabin longitudinal beam.
Furthermore, the second force transmission structure is arranged in the middle of the cabin longitudinal beam in the width direction.
Further, a cavity is formed inside the first force transmission structure, and the cavity extends in the width direction of the vehicle body.
Furthermore, a connecting plate connected with the energy absorption box is arranged at the front end of the cabin longitudinal beam, and the first force transmission structure is connected with the connecting plate.
Furthermore, the first force transmission structure comprises a first plate body and a second plate body, the cross section of the second plate body is U-shaped, and the second force transmission structure is connected with the second plate body;
the first plate body is arranged on one side of the opening of the second plate body, and two ends of the first plate body are respectively connected with the wheel casing boundary beam and the connecting plate.
Compared with the prior art, the utility model discloses following advantage has:
anterior biography force structure of automobile body, through set up first biography force structure between cabin longeron front end and wheel casing boundary beam front end, can transmit the impact to the cabin longeron to can make the cabin longeron energy-absorbing warp, and multiplicable automobile body is at width direction's offset, and then can effectively reduce the driver's cabin invasion volume. In addition, the second force transmission structure is arranged on the rear side of the first force transmission structure, and a gap for deformation of the cabin longitudinal beam is formed between the second force transmission structure and the cabin longitudinal beam, so that the force transmission effect to the cabin longitudinal beam can be further improved, and the front part of the cabin longitudinal beam can be effectively prevented from being broken due to stress concentration of the cabin longitudinal beam.
In addition, along the direction that is close to the cabin longeron for the length of second biography power structure in automobile body length direction is gradually big, can effectively enlarge the lifting surface area of cabin longeron, thereby can reduce stress deformation volume. The second force transmission structure is designed into a right-angled triangle, so that the force transmission effect of the second force transmission structure to the longitudinal beam of the cabin can be improved. The second force transmission structure is arranged in the middle of the cabin longitudinal beam in the width direction, so that local stress concentration of the cabin longitudinal beam can be effectively prevented.
In addition, the cavity extending along the width direction of the vehicle body is arranged in the first force transmission structure, so that the force transmission effect of the first force transmission structure can be improved. The first force transmission structure is connected with the connecting plate connected with the energy absorption box, so that the impact force can be transmitted to the energy absorption box, and the energy absorption and the crumple of the energy absorption box can be utilized, and the intrusion amount to a cab is further reduced.
Another object of the present invention is to provide a car body, wherein the car body is provided with the front force-transmitting structure.
Automobile body, through setting up as above the anterior biography force structure of automobile body, can warp through the energy-absorbing of cabin longeron when the collision, and reduce the invasion volume to the driver's cabin to can effectively reduce the injury that causes the passenger.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural view of a force transmission structure at the front part of a vehicle body according to an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic structural view of a force transmission structure at the front of a vehicle body according to an embodiment of the present invention at another viewing angle;
fig. 4 is a schematic structural view of a force transmission structure at the front of a vehicle body according to an embodiment of the present invention at another viewing angle;
FIG. 5 is an enlarged view of portion B of FIG. 4;
fig. 6 is an assembly state diagram of the nacelle longitudinal beam and the first and second force transmission structures according to the embodiment of the present invention;
fig. 7 is a schematic structural view of a first force transmission structure according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a second plate according to an embodiment of the present invention;
fig. 9 is a schematic structural view of a first plate according to an embodiment of the present invention;
fig. 10 is a schematic structural view of a second force-transfer structure according to an embodiment of the present invention;
fig. 11 is a schematic structural view of a second force-transferring structure according to an embodiment of the present invention at another viewing angle.
Description of reference numerals:
1. a wheel cover edge beam; 2. a nacelle stringer; 3. a first force transfer structure; 4. a second force transfer structure; 5. a connecting plate; 6. a support plate;
301. a first plate body; 302. a second plate body;
K. a gap; m, a first right-angle side; n, a second right-angle side.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless expressly limited otherwise. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The embodiment relates to a force transmission structure at the front part of a vehicle body, which comprises a cabin longitudinal beam 2, a wheel cover side beam 1 and a first force transmission structure 3 connected between the front end of the cabin longitudinal beam 2 and the front end of the wheel cover side beam 1. In addition, a second force transmission structure 4 is arranged on the rear side of the first force transmission structure 3, and a gap K for deforming the nacelle longitudinal beam 2 is formed between the second force transmission structure 4 and the nacelle longitudinal beam 2.
In the force transmission structure for the front part of the vehicle body of the embodiment, the first force transmission structure 3 is arranged between the front end of the cabin longitudinal beam 2 and the front end of the wheel house side beam 1, so that the collision force can be transmitted to the cabin longitudinal beam 2, the cabin longitudinal beam 2 can absorb energy and deform, the offset of the vehicle body in the width direction can be increased, and the intrusion amount of a cab can be effectively reduced. In addition, the second force transmission structure 4 is arranged on the rear side of the first force transmission structure 3, and a gap K for deforming the cabin longitudinal beam 2 is formed between the second force transmission structure 4 and the cabin longitudinal beam 2, so that the force transmission effect to the cabin longitudinal beam 2 can be further improved, and the front part of the cabin longitudinal beam 2 can be effectively prevented from being broken due to stress concentration of the cabin longitudinal beam 2.
Based on the above general description, an exemplary structure of the force transmission structure at the front portion of the vehicle body of the present embodiment is as shown in fig. 1 to fig. 5, and based on that the vehicle body is generally a bilaterally symmetric structure, for clearly showing each component, the present embodiment is described by taking only the nacelle side member 2 and the wheel house side member 1 at the right side of the vehicle body as an example, and the structures of the nacelle side member 2 and the wheel house side member 1 may refer to the prior art, and are not described herein again.
In addition, for better use effect, the gap K of the embodiment is set between 8mm and 12mm, so that the design can not only enable the collision force to be better transmitted to the cabin longitudinal beam 2, but also provide a proper deformation space for the cabin longitudinal beam 2, and can prevent the cabin longitudinal beam 2 from being broken. In addition, as a preferable embodiment, the gap K of the present embodiment is 10mm, but it is needless to say that the gap K may be 8mm, 9mm, 11mm, 12mm or other values except 10 mm.
In the present embodiment, the first force transmission structure 3 is described, and as shown in fig. 6, a connecting plate 5 connected with the energy absorption box is arranged at the front end of the cabin longitudinal beam 2, and the front side of the first force transmission structure 3 is connected with the connecting plate 5. By the design, the collision force can be transmitted to the energy absorption box, so that the energy absorption and the crumpling of the energy absorption box can be utilized, and the invasion amount to a cab is further reduced. In addition, in order to further improve the use effect, a cavity is formed inside the first force transmission structure 3, and the cavity extends along the width direction of the vehicle body, so that the force transmission effect of the first force transmission structure 3 can be improved.
As a specific implementation manner, as shown in fig. 7, the first force transmission structure 3 of the present embodiment includes a first plate 301 and a second plate 302 that are connected in a snap-fit manner. As shown in fig. 8, the second plate 302 is U-shaped in cross-section to provide it with a good structural strength, and the second force-transmitting structure 4 is connected to the second plate 302. The first plate body 301 is disposed on one side of the opening of the second plate body 302, and two ends of the first plate body 301 are connected to the wheel house edge beam 1 and the connecting plate 5, respectively. In addition, since the front end of the nacelle side member 2 projects forward relative to the wheel house side member 1, as shown in fig. 9, the upper end of the first plate 301 is bent rearward and connected to the front end of the wheel house side member 1. In addition, two sides of the second plate 302 are respectively formed with an outward flange to improve the structural strength of the second plate 302.
In addition, as shown in fig. 5, the second force transmission structure 4 of the present embodiment is provided in the middle of the nacelle side member 2 in the width direction, so that the collision force can be transmitted uniformly to both sides in the width direction of the nacelle side member 2, and the local stress concentration of the nacelle side member 2 can be effectively prevented. With reference to fig. 2 and 3, the length of the second force transmission structure 4 in the longitudinal direction of the vehicle body is increased along the direction close to the cabin side member 2, so that the stressed area of the cabin side member 2 can be effectively increased, and the stress deformation can be reduced. In order to achieve a better use effect, the length of the second force transmission structure 4 may be about 200mm, and the width may be about 100 mm.
As a preferred embodiment, as shown in fig. 2, 3 and 5, the second force transfer structure 4 is a right triangle with a first M and a second N cathetus, and the first M is connected to the first force transfer structure 3 and the second N forms the above-mentioned gap K with the nacelle stringer 2. Here, it should be noted that the second force transmission structure 4 is a right triangle, which includes the case where the second force transmission structure 4 is a standard right triangle, and also includes the case where the second force transmission structure 4 is a right triangle when viewed in the overall visual sense.
As shown in fig. 10 and 11, the second force transfer structure 4 comprises a structural body having a U-shaped cross section with two side plates arranged opposite each other, between which a support plate 6 is arranged, and the support plate 6 is arranged close to the nacelle stringer 2. Through setting up backup pad 6, not only can improve the structural strength of second power transmission structure 4, in addition, also can increase the power of passing of second power transmission structure 4 and cabin longeron 2 face, can effectively prevent cabin longeron 2 local stress concentration. Further, as shown in fig. 6, the two side plates of the structural body are connected to the outer side surfaces of the second plate body 302, respectively, so that the first plate body 301 can be supported between the two side plates, thereby improving the stability of the structural body.
By adopting the structure, the force transfer structure at the front part of the vehicle body can enable the cabin longitudinal beam 2 to absorb energy and deform, can increase the offset of the vehicle body in the width direction, and further can effectively reduce the intrusion amount of a cab. In addition, compared with the existing scheme of improving the material strength, the cost is lower, and the influence on the peripheral structure is less.
In addition, the embodiment also relates to an automobile body, and the automobile body is provided with the automobile body front force transmission structure.
The automobile body of the embodiment can reduce the intrusion amount to the cab by the energy-absorbing deformation of the cabin side member 2 during collision by arranging the force transmission structure at the front part of the automobile body, thereby effectively reducing the injury to passengers.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A force transmission structure at the front part of a vehicle body is characterized in that:
the device comprises a cabin longitudinal beam (2), a wheel casing side beam (1) and a first force transmission structure (3) connected between the front end of the cabin longitudinal beam (2) and the front end of the wheel casing side beam (1);
a second force transmission structure (4) is arranged on the rear side of the first force transmission structure (3), and a gap (K) for deforming the cabin longitudinal beam (2) is formed between the second force transmission structure (4) and the cabin longitudinal beam (2).
2. A force transfer structure at the front of a vehicle body according to claim 1, characterized in that:
the gap (K) is between 8mm and 12 mm.
3. A force transfer structure at the front of a vehicle body according to claim 1, characterized in that:
the length of the second force transmission structure (4) in the length direction of the vehicle body is gradually increased along the direction close to the cabin longitudinal beam (2).
4. A force transfer structure at the front of a vehicle body according to claim 3, wherein:
the second force transmission structure (4) is in a right triangle shape and is provided with a first right-angle side (M) and a second right-angle side (N), the first right-angle side (M) is connected with the first force transmission structure (3), and the second right-angle side (N) and the cabin longitudinal beam (2) form the gap (K).
5. The vehicle body front force transmission structure of claim 4, wherein:
the second force transmission structure (4) comprises a structure main body, the cross section of the structure main body is U-shaped, the structure main body is provided with two side plates which are oppositely arranged, a supporting plate (6) is arranged between the two side plates, and the supporting plate (6) is arranged close to the cabin longitudinal beam (2).
6. A force transfer structure at the front of a vehicle body according to claim 1, characterized in that:
the second force transmission structure (4) is arranged in the middle of the cabin longitudinal beam (2) in the width direction.
7. The vehicle body front force transmission structure according to any one of claims 1 to 6, wherein:
a cavity is formed inside the first force transmission structure (3), and the cavity extends along the width direction of the vehicle body.
8. The vehicle body front force transmission structure of claim 7, wherein:
the front end of the cabin longitudinal beam (2) is provided with a connecting plate (5) connected with the energy absorption box, and the first force transmission structure (3) is connected with the connecting plate (5).
9. The vehicle body front force transmission structure according to claim 8, wherein:
the first force transmission structure (3) comprises a first plate body (301) and a second plate body (302), the cross section of the second plate body (302) is U-shaped, and the second force transmission structure (4) is connected with the second plate body (302);
the first plate body (301) is arranged on one side of the opening of the second plate body (302), and two ends of the first plate body (301) are connected with the wheel casing side beam (1) and the connecting plate (5) respectively.
10. An automotive body, characterized in that: the automobile body is provided with a force transmission structure at the front part of the automobile body as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221833205.4U CN218258373U (en) | 2022-07-14 | 2022-07-14 | Force transmission structure at front part of automobile body and automobile body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221833205.4U CN218258373U (en) | 2022-07-14 | 2022-07-14 | Force transmission structure at front part of automobile body and automobile body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218258373U true CN218258373U (en) | 2023-01-10 |
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ID=84762919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221833205.4U Active CN218258373U (en) | 2022-07-14 | 2022-07-14 | Force transmission structure at front part of automobile body and automobile body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218258373U (en) |
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2022
- 2022-07-14 CN CN202221833205.4U patent/CN218258373U/en active Active
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