CN214565706U

CN214565706U - Preceding automobile body and car

Info

Publication number: CN214565706U
Application number: CN202120703429.2U
Authority: CN
Inventors: 赵正学; 王小青; 董立强; 王猛; 赵健; 程建勇
Original assignee: Chongqing Branch of DFSK Motor Co Ltd
Current assignee: Chongqing jiangkang Automobile Technology Co.,Ltd.
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-11-02
Anticipated expiration: 2031-04-07

Abstract

The utility model discloses a preceding automobile body and car, including preceding automobile body, the bottom of preceding automobile body is equipped with the longeron middle section, still including fixing the stabilizing mean of the bottom of preceding automobile body, stabilizing mean orientation is kept away from the direction protrusion of preceding automobile body, stabilizing mean structure is the triangle face, at least part the longeron middle section has constituted stabilizing mean's one side, all the other both sides are preceding automobile body itself and have, the tip in longeron middle section is connected with the front longitudinal beam, the triangle face is parallel or approaches to in parallel with the bottom surface of preceding automobile body. The utility model discloses the bottom of automobile body sets up triangular stabilizing mean in the front, has improved the holistic antitorque performance of preceding automobile body, and under the prerequisite that does not increase the reinforcement simultaneously, will transmit to stabilizing mean just bumping power and be divided into two, avoided the material damage that stress concentration leads to, and then improved holistic just bumping the performance.

Description

Preceding automobile body and car

Technical Field

The utility model relates to a vehicle engineering field, concretely relates to preceding automobile body and car.

Background

In order to have good collision performance, the conventional front automobile body of the automobile is provided with more reinforcing parts on the middle section of the longitudinal beam and the front longitudinal beam, so that the whole weight is increased, the light weight of the automobile is not facilitated, and although the weight is increased, the bending strength of the whole automobile is not increased, and the performance contribution rate of unit mass is not high.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the utility model is to provide a front automobile body aiming at the problems that the strengthening pieces arranged on the middle section of the longitudinal beam and the front longitudinal beam of the prior automobile do not increase the torsional strength of the automobile and the performance contribution rate of unit mass is not high; the second object is to provide an automobile equipped with the above-mentioned front body.

In order to realize the purpose of the utility model, the utility model provides a following technical scheme:

the utility model provides a front vehicle body, includes the front floor, the bottom on front floor is equipped with the longeron middle section, still including fixing the stabilizing mean of the bottom of front vehicle body, the stabilizing mean structure is triangle-shaped, the longeron middle section has constituted, front longitudinal and first connecting piece have constituted stabilizing mean's trilateral, the tip and the front longitudinal in longeron middle section are connected, stabilizing mean is parallel or approaches to the parallel with the bottom surface of front vehicle body.

The front floor provides support in three directions through the triangular stabilizing mechanism arranged at the bottom of the front floor, so that the integral torsion resistance of the front vehicle body is improved,

furthermore, the area of the cross section of the front longitudinal beam is gradually increased along the direction from one end far away from the middle section of the longitudinal beam to the other end. The stress concentration caused by the sudden change of the section is avoided, the material is damaged, the force conduction is facilitated, and the safety factor of a driver is improved.

Furthermore, a certain section of the middle section of the longitudinal beam is sunken to form an energy absorption structure. Can provide a buffer for the normal impact force, thereby improving the overall normal impact performance

Further, the energy absorbing structure is recessed towards a direction close to the front floor. The height of the front floor is prevented from being too small.

Compared with the prior art, the beneficial effect of above-mentioned scheme is:

above-mentioned scheme sets up triangular stabilizing mean in the bottom on floor in the front, the longeron middle section, first connecting piece and front longitudinal are for stabilizing mean's trilateral, and the tip and the front longitudinal in longeron middle section are connected, make preceding automobile body increase the support of three direction, the holistic antitorque performance of preceding automobile body has been improved, simultaneously under the prerequisite that does not increase the reinforcement, will transmit stabilizing mean's face to bump the power and divide into two, the material damage that has avoided stress concentration to lead to, and then the holistic face to bump the performance.

The utility model provides a preceding automobile body, includes preceding automobile body, the bottom of preceding automobile body is equipped with frame cross beam connecting plate and seat crossbeam the bottom of preceding automobile body is equipped with stabilizing mean, stabilizing mean structure is triangle-shaped, the bottom of preceding automobile body is equipped with the longeron middle section, frame cross beam connecting plate, seat crossbeam and longeron middle section have constituted stabilizing mean is trilateral, stabilizing mean is parallel or nearly be on a parallel with the bottom surface of preceding automobile body.

Furthermore, the end part of the longitudinal beam middle section (10) is connected with the front longitudinal beam (6).

Furthermore, the front longitudinal beam (6) is connected with one end of a second connecting piece (7), and the other end of the second connecting piece (7) is connected with the threshold beam (8).

Further, the second connecting element (7) is configured in a "human" shape. Cushioning can be provided, further improving head-on collision performance.

Furthermore, the number of the second connecting pieces (7) is 2, and a reinforcing cross beam (13) is connected between the second connecting pieces and the reinforcing cross beam. The overall stability is improved.

An automobile comprises an automobile body, wherein the automobile body is provided with the front automobile body.

above-mentioned scheme sets up triangular stabilizing mean in the bottom of preceding automobile body, wherein including longeron middle section, frame cross beam connecting plate and the seat crossbeam that preceding automobile body itself just was equipped with, the three is stabilizing mean's trilateral in addition for preceding automobile body has increased the support of three direction, has improved the holistic antitorque performance of preceding automobile body.

Description of the drawings:

fig. 1 is a schematic structural view of embodiment 1 of the present invention;

FIG. 2 is a bottom view of FIG. 1;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a schematic structural view of an energy absorbing structure;

fig. 5 is a schematic structural view of embodiment 2 of the present invention;

fig. 6 is a bottom view of fig. 5.

The labels in the figure are: 1-longitudinal beam middle section, 2-front longitudinal beam, 21-front section, 22-rear section, 3-first connecting piece, 4-energy absorption structure, 5-threshold beam, 6-front longitudinal beam, 7-second connecting piece, 8-threshold beam, 9-seat cross beam, 10-longitudinal beam middle section, 11-frame cross beam connecting plate, 12-front floor and 13-reinforced cross beam.

Detailed Description

The present invention will be described in further detail with reference to test examples and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.

Example 1

The embodiment provides a front vehicle body, as shown in fig. 1-3, including a threshold beam 5 and a front floor 12, a front longitudinal beam 2 is connected to the front end of the threshold beam 5, the sectional area of the front longitudinal beam 2 from the direction far away from one end of the threshold beam 5 to the other end is gradually increased, in the embodiment, the length of the front longitudinal beam 2 in the radial direction is gradually increased, a structural form that the front part is narrow and the rear part is wide (the front part is referred to relative to the traveling direction of the vehicle) is formed, the cross section from front to rear is smooth and continuous, stress concentration caused by sudden change of the cross section is avoided, and the anti-collision capability of the front vehicle body is improved. The rear end is wider, and the survival of the driver is also ensured to a certain extent. The front longitudinal beam 2 extends to the threshold beam 5, and can transmit part of the force received by the front longitudinal beam 2 to the threshold beam 5 and further to the rear part of the vehicle body.

The front longitudinal beam 2 comprises a front section 21 and a rear section 22 which are connected, the axis direction of the front section 21 is a linear direction, the rear section 22 and the front end 21 are connected with the threshold beam 5, and an included angle is formed between the rear section 22 and the longitudinal beam middle section 1.

The bottom of the front floor 12 is fixed with a stabilizing mechanism which is configured as a triangular surface, in the embodiment, the stabilizing mechanism comprises a rear section 22, a longitudinal beam middle section 1 and a first connecting piece 3, the first connecting piece 3 protrudes downwards relative to the front floor 12, two mounting holes are arranged on the first connecting piece 3, and the first connecting piece is fixed on the front floor 12 through pins. The number of the stabilizing means is two and is axisymmetrical with respect to the perpendicular bisector of the threshold beam 5.

Stabilizing mean is under the prerequisite that reduces the inside unnecessary reinforcement of front longitudinal 2, the structural stability of front floor has been increased, when the current automobile body received bending torsion, stabilizing mean can provide the support of all directions, and then the anti-torque performance of front automobile body has been improved, because longeron middle section 1 is connected with front longitudinal 2, therefore partial impact force that front longitudinal 2 received can be transmitted to stabilizing mean from front longitudinal 2, stabilizing mean divides the impact force into two, transmit to automobile body rear portion, the damage of the automobile body material that has avoided stress concentration to bring, triangular stabilizing mean has also improved the just bump performance of front automobile body to a certain extent simultaneously.

The longitudinal beam middle section 1 is provided with an energy absorption structure 4, the structural schematic diagram of the energy absorption structure 4 is shown in fig. 4, wherein the energy absorption structure 4 protrudes towards the direction close to the front floor 12, when the front longitudinal beam 2 is stressed, part of normal impact force is transmitted to the longitudinal beam middle section 1, the bending part of the energy absorption structure 4 can provide buffering, and the normal impact performance of the front vehicle body is further improved.

The embodiment also provides an automobile provided with the front automobile body.

Example 2

The present embodiment proposes a front vehicle body, as shown in fig. 5 and 6, including a side member center section 10, a rocker beam 5, a seat cross member 9, a frame cross member connecting plate 11, and a second connecting member 7.

Wherein threshold roof beam 5 extends to under the second connecting piece 7, the end connection of tip and longeron middle section 10, the other end and the seat crossbeam 9 of longeron middle section 10 are connected, be equipped with front longitudinal beam 6 between threshold roof beam 5 and the second connecting piece 7, make when the current person's body receives just bumping power, threshold roof beam 5 will do all can and divide into two, the part transmits to second connecting piece 7 department through front longitudinal beam 6, another part passes through longeron middle section 10 and transmits to seat crossbeam 9 department, the damage of the material of having avoided stress concentration to bring, the just bumping performance of preceding automobile body has been promoted.

The front longitudinal beam 6 is of a 'man' shape, so that the middle part of the front longitudinal beam 6 is provided with a bend, the buffer effect can be achieved, and the frontal collision performance of the front vehicle body is further improved. The number of the front longitudinal beams 6 is 2, and the reinforcing cross beam 13 is arranged between the two front longitudinal beams 6, so that the frontal collision performance of the front vehicle body is further improved.

Part longeron middle section 7, frame cross beam connecting plate 11 and seat crossbeam 9 three interconnect, the stabilizing mean has been constituteed, the stabilizing mean constructs for the triangle-shaped face, the quantity of stabilizing mean is 2, axial symmetry is at the axis direction of seat crossbeam 9, stabilizing mean has promoted the support of the three direction of preceding automobile body, consequently, the antitorque performance of preceding automobile body has been improved, simultaneously, when part just bumping power transmission to longeron middle section 10, stabilizing mean 2 can be divided into two with this part power, transmit to on the seat crossbeam 9, the damage that has avoided stress concentration to cause the material.

Claims

1. The utility model provides a preceding automobile body, includes front floor (12), the bottom on front floor (12) is equipped with longeron middle section (1), its characterized in that: still including fixing the stabilizing mean of the bottom of preceding automobile body, stabilizing mean constructs for triangle-shaped, longeron middle section (1), front longitudinal beam (2) and first connecting piece (3) have constituted stabilizing mean's trilateral, the tip and the front longitudinal beam (2) of longeron middle section (1) are connected, the one end and the front longitudinal beam (2) of first connecting piece (3) are connected, the other end with longeron middle section (1) are connected, stabilizing mean is parallel or approaches to the parallel with the bottom surface of preceding automobile body.

2. The front vehicle body according to claim 1, characterized in that: the area of the cross section of the front longitudinal beam (2) is gradually increased along the direction from one end far away from the middle section (1) of the longitudinal beam to the other end.

3. The front vehicle body according to claim 2, characterized in that: and a certain section of the longitudinal beam middle section (1) is sunken to form an energy absorption structure (4).

4. The front vehicle body according to claim 3, characterized in that: the energy-absorbing structure (4) is concave towards the direction close to the front floor (12).

5. The utility model provides a preceding automobile body, includes preceding automobile body, the bottom of preceding automobile body is equipped with frame cross connecting plate (11) and seat crossbeam (9), its characterized in that: the bottom of preceding automobile body is equipped with stabilizing mean, stabilizing mean structure is triangle-shaped, the bottom of preceding automobile body is equipped with longeron middle section (10), frame cross beam connecting plate (11), seat crossbeam (9) and longeron middle section (10) have constituted stabilizing mean's trilateral, stabilizing mean is parallel or nearly be on a parallel with the bottom surface of preceding automobile body.

6. The front vehicle body according to claim 5, characterized in that: the end part of the longitudinal beam middle section (10) is connected with the front longitudinal beam (6).

7. The front vehicle body according to claim 6, characterized in that: the front longitudinal beam (6) is connected with one end of a second connecting piece (7), and the other end of the second connecting piece (7) is connected with the threshold beam (8).

8. The front vehicle body according to claim 7, characterized in that: the second connecting element (7) is of a "man" type.

9. The front vehicle body according to claim 8, characterized in that: the number of the second connecting pieces (7) is 2, and a reinforcing cross beam (13) is connected between the second connecting pieces and the reinforcing cross beam.

10. An automobile, characterized in that: comprising a body provided with a front body according to claim 1 or 5.