CN110316251A - Front frame and car - Google Patents

Abstract

This disclosure relates to a kind of front frame and car, the front frame includes the driver area (1) and collision energy-absorbing area (3) being disposed adjacent, the longitudinal strength of the collision energy-absorbing area (3) is less than the longitudinal strength of the driver area (1), when head-on crash occurs for vehicle, impact force is transmitted to the collision energy-absorbing area (3) by the driver area (1), makes collision energy-absorbing area (3) deformation to absorb collision energy.Through the above technical solutions, collision energy-absorbing area can absorb the Impact energy of the overwhelming majority in car central collision, so that front frame be avoided integrally to deform, reduce the collision damage that driver and passenger are subject to.

Description

Front frame and coach

technical field

The present disclosure relates to the technical field of vehicle collision safety design, and in particular, to a front frame and a passenger car.

Background technique

With the rapid development of the automotive industry, people have higher and higher requirements for vehicle safety performance. At present, vehicle frontal collision is the most common type of accident. In the frontal collision of the vehicle, the driver and passengers on the frontmost side are easily injured. Therefore, protecting the life safety of the driver and passengers is the main design of passive safety of the vehicle. Target. In order to reduce the injuries suffered by the driver and passengers, the frame structure of the vehicle needs to have a certain rigidity and can fully absorb the collision energy.

There is usually no special collision energy absorption area behind the driver area of the existing passenger car, but the collision energy is absorbed by the overall deformation of the front axle body to absorb energy. In the event of a high-speed collision of the passenger car, the collision force will be transmitted from the front end of the driving longitudinal force transmission beam to the rear end of the driving longitudinal force transmission beam, and then transmitted back to the front axle frame, so that the front axle frame body is deformed, the collision energy is absorbed, and the Inertial force damage to the driver. However, this energy absorption method is likely to cause deformation of the front frame or the entire frame, reducing the rigidity and strength of the front frame or the entire frame, thereby easily injuring the driver.

SUMMARY OF THE INVENTION

The purpose of the present disclosure is to provide a front frame and a passenger car, the front frame can absorb the collision energy received by the driver's area, improve the rigidity and strength of the driver's area of the front frame, and reduce the collision damage to the driver and passengers. .

In order to achieve the above object, the present disclosure provides a front frame, the front frame includes a driver area and a collision energy absorption area arranged adjacently, and the longitudinal strength of the collision energy absorption area is smaller than the longitudinal strength of the driver area Strength, when a frontal collision of a vehicle occurs, the collision force is transmitted to the collision energy absorbing area through the driver area, so that the collision energy absorbing area is deformed to absorb the collision energy.

Optionally, a plurality of collapsible energy-absorbing beams extending in the front-rear direction are arranged in the collision energy-absorbing region.

Optionally, at least a portion of the crumpling energy absorbing beam is formed as a bellows structure.

Optionally, the front frame further includes a step area and a battery area, the collision energy absorption area is located behind the driver area, and the step area is located to the left or right of the driver area, so The battery area is located behind the step area.

Optionally, the front frame includes a front cross member, a first middle cross member, a rear cross member, a left side member, a middle side member, and a right side member, the front cross member, the rear cross member, the left side member and the The right longitudinal beam is enclosed in a rectangle, the middle longitudinal beam is located between the left longitudinal beam and the right longitudinal beam, the front end of the middle longitudinal beam is connected to the front beam, and the rear end of the middle longitudinal beam is connected For the rear cross member, the first middle cross member is located between the front cross member and the rear cross member, the right end of the first middle cross member is connected to the middle longitudinal member, and the left end of the first middle cross member is connected to the rear cross member. The left side member, the middle side member, the front cross member, the left side member and the first middle side member enclose the driver area, and the middle side member, the first The left longitudinal beam and the rear cross beam enclose the collision energy absorption area.

Optionally, the front frame further includes a plurality of lower crumpling energy absorbing beams, the plurality of lower crumpling energy absorbing beams are arranged at intervals along the left and right directions, and the front end of each of the lower crumpling energy absorbing beams is connected to the The first middle beam is connected, and the rear end is connected with the rear beam.

Optionally, the middle longitudinal beam has a crushing energy-absorbing section, and the crushing energy-absorbing section is located between the first middle beam and the rear beam.

Optionally, the front frame further includes a plurality of front uprights, a plurality of center uprights, a plurality of rear uprights, a plurality of driver's area force transmission beams, and a plurality of upper crumple energy absorbing beams, the plurality of front The uprights and the front cross member are on the same plane, the plurality of center pillars and the first middle crossmember are on the same plane, the plurality of rear pillars and the rear crossmember are on the same plane, and the plurality of driver area transmissions are located on the same plane. A force beam is connected to the front column and the center column, and the plurality of upper collapse energy-absorbing beams are connected between the center column and the rear column.

Optionally, the plurality of force-transmitting beams in the driver's area include a plurality of force-transmitting longitudinal beams in the driver's area that are parallel to each other and two force-transmitting inclined beams in the driver's area that are parallel to each other. The longitudinal beam includes an upper power transmission longitudinal beam in the driver area, the front end of the upper power transmission longitudinal beam in the driver area is connected with the front column, and the rear end of the upper force transmission longitudinal beam in the driver area is connected with the center column , the front end of the force transmission inclined beam in the driver area is connected with the front column, and the rear end of the force transmission inclined beam in the driver area is connected with the center column.

Optionally, the plurality of power transmission longitudinal beams in the driver area further include a lower power transmission longitudinal beam in the driver area, and the lower power transmission longitudinal beam in the driver area is located between the middle longitudinal beam and the left longitudinal beam, so The front end of the lower power transmission longitudinal beam in the driver's area is connected with the front cross member, the rear end of the lower power transmission longitudinal beam in the driver area is connected with the first middle beam, and the power transmission longitudinal beam in the lower driver area is connected with the first middle beam. , the front cross beam, the left longitudinal beam and the first middle cross beam form a rectangular structure, and the four corners of the rectangular structure are provided with inclined beams.

Optionally, the cross sections of the power transmission inclined beam in the driver area, the power transmission longitudinal beam at the lower part of the driver area, and the left longitudinal beam are formed as hollow rectangular structures, and the power transmission inclined beam in the driver area, the driving Reinforcing plates are arranged inside the force transmission longitudinal beam and the left longitudinal beam at the lower part of the passenger area.

Optionally, the front frame further includes a second middle beam, the right end of the second middle beam is connected to the right longitudinal beam, the left end of the second middle beam is connected to the middle longitudinal beam, the The right longitudinal beam, the front transverse beam, the middle longitudinal beam and the second middle transverse beam enclose a stepped area, and the right longitudinal beam, the second middle transverse beam, the middle longitudinal beam and the rear transverse beam enclose into the battery area.

Optionally, the right longitudinal beam includes a first right longitudinal beam and a second right longitudinal beam, the front end of the first right longitudinal beam is connected to the front beam, and the rear end of the first right longitudinal beam is connected to the The second middle beam, the front end of the second right side member is connected to the second middle beam, the rear end of the second right side member is connected to the rear beam, the first right side member, the The front beam, the middle longitudinal beam, and the second middle beam enclose the step area, and the second right longitudinal beam, the second middle beam, the middle longitudinal beam, and the rear beam enclose the step area. the battery area.

Optionally, the front frame further includes a power transmission longitudinal beam in a stepped area, the force transmission longitudinal beam in the stepped area is located between the first right longitudinal beam and the middle longitudinal beam, and the front ends of the power transmission longitudinal beam in the stepped area are connected to each other. In the front cross beam, the rear end of the force transmission longitudinal beam in the step area is connected to the second middle cross beam.

Optionally, the cross sections of the first right longitudinal beam and the force transmission longitudinal beam in the stepped area are formed into hollow rectangular structures, and reinforcing plates are provided inside the first right longitudinal beam and the force transmission longitudinal beam in the stepped area.

Optionally, an oblique reinforcing beam is also provided in the stepped area, the oblique reinforcing beam is located between the force transmission longitudinal beam and the middle longitudinal beam in the stepped area, and one end of the oblique reinforcing beam is connected to the step. The other end of the force transmission longitudinal beam is connected to the second middle beam.

According to another aspect of the present disclosure, there is provided a passenger vehicle including the aforementioned front frame.

Through the above technical solution, when the passenger car is in a head-on collision, since the longitudinal strength of the collision energy-absorbing area is smaller than that of the driver's area, the collision energy-absorbing area will be deformed prior to the driver's area, absorbing most of the impact energy, thereby reducing the The deformation of the small driver's area and the passenger area (located behind the collision energy-absorbing area) improves the overall rigidity and strength of the driver's area of the front frame, ensuring the life safety of the driver and passengers.

Other features and advantages of the present disclosure will be described in detail in the detailed description that follows.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present disclosure, and constitute a part of the specification, and together with the following detailed description, are used to explain the present disclosure, but not to limit the present disclosure. In the attached image:

FIG. 1 is a schematic three-dimensional structural diagram of a front frame provided by an exemplary embodiment of the present disclosure;

FIG. 2 is a schematic three-dimensional structure diagram of a front frame provided by an exemplary embodiment of the present disclosure, wherein some uprights and beams are not shown;

FIG. 3 is a schematic three-dimensional structure diagram of a front frame provided by an exemplary embodiment of the present disclosure (a different perspective from FIG. 2 ), wherein some uprights and beams are not shown;

4 is a top view of a front frame provided by an exemplary embodiment of the present disclosure, wherein part of the beam is not shown;

5 is a cross-sectional view of a beam provided with a reinforcing plate provided by an exemplary embodiment of the present disclosure.

Description of reference numerals

1 Driver's area 11 First power-transmitting longitudinal beam on the upper part of the driver's area

12 The upper second force-transmitting longitudinal beam in the driver's area 13 The first force-transmitting inclined beam in the driver's area

14 The second force transmission inclined beam in the driver's area 15 The lower force transmission longitudinal beam in the driver's area

16 inclined beams 2 stepped areas

21 Force-transmitting longitudinal beam in step area 22 Oblique reinforcing beam

3 Collision energy absorption zone 31 The first upper collapse energy absorption beam

32 Second upper crumpling energy absorbing beam 33 Third upper crumpling energy absorbing beam

34 Lower crush energy-absorbing beams 35 Crush zone force-transmitting longitudinal beams

4 Battery area 51 First front pillar

52 Second front pillar 53 Third front pillar

54 Fourth front pillar 55 Fifth front pillar

61 First center pillar 62 Second center pillar

63 Third center pillar 64 Fourth center pillar

71 First rear pillar 72 Second rear pillar

73 Third rear pillar 81 First bumper mount

82 Second bumper mount 83 Third bumper mount

84 Fourth bumper mount 9 Reinforcing plate

100 Front cross member 110 Second middle cross member

120 First middle beam 130 Rear beam

140 Left side member 150 Middle side member

151 Crushing energy-absorbing section 160 Right longitudinal beam

161 First right side member 162 Second right side member

Detailed ways

The specific embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present disclosure, but not to limit the present disclosure.

In the present disclosure, unless otherwise stated, the directional words used such as "up, down, left, right, front, rear" are usually relative to the normal driving state of the vehicle, specifically, in the vehicle During normal driving, the direction toward the front of the vehicle is "front", the direction toward the rear is "rear", the direction toward the ceiling is "up", the direction toward the floor is "down", the direction toward the left wheel is "left", and the direction toward the left wheel is "left". The direction of the right wheel is "right". In addition, in the present disclosure, the extension direction of the "side member" is along the front-rear direction of the vehicle, the extension direction of the "cross member" is the left-right direction of the vehicle, and the "X direction" refers to the vehicle "X-direction plane" refers to the plane perpendicular to the X-direction; "Y-direction" refers to the left-right direction of the vehicle, and "Y-direction plane" refers to the plane perpendicular to the Y-direction.

As shown in FIG. 1 to FIG. 5 , the present disclosure provides a front frame, for example, a front frame for a passenger car, the front frame includes a driver area 1 and a collision energy absorption area 3, which are arranged adjacently. Step area 2, battery area 4, the step area 2 can be used to install steps and the front door of the bus for passengers to enter the interior of the bus, the step area 2 is located on the left or right side of the driver area 1, and the battery area 4 is used for A battery is installed to supply power to the electrical equipment of the passenger car. The battery area 4 can be located behind the step area 2, and the collision energy absorption area 3 is used to absorb collision energy and reduce the acceleration of the passenger car. In an exemplary embodiment provided by the present disclosure, the collision energy absorbing area 3 is located behind the driver area 1 and is located in front of the passenger area (not shown), and the longitudinal strength of the collision energy absorbing area 3 (when subjected to The ability to resist deformation and fracture under the action of longitudinal external force) is less than the longitudinal strength of driver area 1. When the vehicle has a frontal collision, the collision force is transmitted to collision energy absorption area 3 through driver area 1, so that collision energy absorption area 3 is deformed to absorb collision energy.

In this way, when the passenger car is in a frontal collision, since the longitudinal strength of the collision energy absorbing area 3 is smaller than that of the driver area 1, the collision energy absorbing area 3 will be deformed prior to the driver area 1, and absorb most of the impact energy, thereby absorbing most of the impact energy. Reduce the deformation of the driver area 1 and the passenger area (located behind the collision energy absorption area 3, not shown in the figure), improve the overall rigidity and strength of the driver area 1 of the front frame, and ensure the safety of the driver and the passenger. life safety.

Further, a plurality of collapsible energy absorbing beams extending in the front-rear direction are arranged in the collision energy absorbing area 3, so that when the passenger car hits, the collision energy absorbing area 3 can collapse and deform through the collapsible energy absorbing beams. Due to the large amount of deformation of the collapse deformation, more collision energy is absorbed, which can maximize the energy absorption effect of the collision energy absorption zone 3 . At the same time, a plurality of crumple area force-transmitting longitudinal beams 35 extending in the front-rear direction can also be arranged in the collision energy-absorbing area 3 to connect the driver area 1 and the passenger area, and improve the integrity of the collision energy-absorbing area 3 and the entire front Frame stiffness. The crush zone force transmission longitudinal beams 35 and the crush energy absorption beams can be arranged in a staggered manner. The left and right sides and/or the upper and lower sides of the collision energy absorbing area 3, so that the longitudinal stiffness and longitudinal strength around the energy absorbing area will be greater than the longitudinal rigidity and longitudinal strength in the middle of the energy absorbing area. During the impact load, the collision energy absorbing area 3 can be recessed toward the middle as a whole, which is more conducive to energy absorption.

Further, in order to enable the collapsed energy-absorbing beam to undergo wrinkle compression deformation in a predetermined direction (for example, the front-rear direction), as shown in FIG. 1 to FIG. 4 , at least a part of the collapsed energy-absorbing beam is formed into a bellows structure, and the The bellows structure extends in the front-to-rear direction to ensure that the collapsible energy-absorbing beam can undergo X-direction compressive deformation when subjected to a positive impact. In this way, not only the acceleration of the passenger car can be reduced to the greatest extent, but also the bending of the collapsed energy-absorbing beam and intrusion into the living space of the driver or the passenger can be avoided, thereby causing secondary damage to the driver or the passenger.

In the specific embodiment provided by the present disclosure, as shown in FIG. 1 to FIG. 4 , the above-mentioned front frame includes a front cross member 100 , a second middle cross member 110 , a first middle cross member 120 , a rear cross member 130 , a left longitudinal member 140 , a middle cross member The longitudinal beam 150, the right longitudinal beam 160, the front beam 100, the rear beam 130, the left longitudinal beam 140 and the right longitudinal beam 160 form a rectangle, and the middle longitudinal beam 150 is located between the left longitudinal beam 140 and the right longitudinal beam 160. The front end of the beam 150 is connected to the front beam 100, the rear end of the middle longitudinal beam 150 is connected to the rear beam 130, the second middle beam 110 and the first middle beam 120 are parallel to each other and located between the front beam 100 and the rear beam 130, the second middle beam 110 and the first middle beam 120 are parallel to each other. The right end of the middle beam 110 is connected to the right longitudinal beam 160, the left end of the second middle beam 110 is connected to the middle longitudinal beam 150, the right end of the first middle beam 120 is connected to the middle longitudinal beam 150, and the left end of the first middle beam 120 is connected to the left longitudinal beam The beam 140, the right longitudinal beam 160, the front beam 100, the middle longitudinal beam 150 and the second middle beam 110 enclose the step area 2, and the right longitudinal beam 160, the second middle beam 110, the middle longitudinal beam 150 and the rear beam 130 enclose the battery Zone 4, the middle longitudinal beam 150, the front beam 100, the left longitudinal beam 140 and the first middle beam 120 enclose the driver's area 1, the middle longitudinal beam 150, the first middle beam 120, the left longitudinal beam 140 and the rear beam 130 are surrounded by Collision energy absorption zone 3. The front cross member 100, the second middle cross member 110, the first middle cross member 120, the rear cross member 130, the left side member 140, the middle side member 150, and the right side member 160 can not only constitute the overall frame of the front frame, but also improve the stability of the front frame. Integrity, it also has the function of transmitting the collision force vertically or horizontally.

Further, as shown in FIG. 3 , the front frame further includes a plurality of lower crumpling energy absorbing beams 34 , and the plurality of lower crumpling energy absorbing beams 34 are all located in the collision energy absorbing area 3 and are arranged at intervals along the left and right directions. The front end of each of the lower crumpling energy absorbing beams 34 is connected to the first middle beam 120, and the rear end is connected to the rear beam 130, so as to ensure the absorption of the collision energy of the lower part of the front frame.

As shown in FIG. 2 , the middle longitudinal beam 150 is located between the step area 2 and the driver area 1 . The middle longitudinal beam 150 is not only the main beam constituting the overall frame of the front frame, but also the main force transmission beam for transmitting the collision energy. Therefore, in the exemplary embodiment provided by the present disclosure, the above-mentioned middle longitudinal beam 150 has a collapse energy absorbing section 151 located between the first middle beam 120 and the rear beam 130 . In this way, when the passenger car is hit by a head-on collision, the collision force can be transmitted from the front end of the middle longitudinal beam 150 to the crushing energy-absorbing section 151 of the middle longitudinal beam 150, and the crushing energy-absorbing section 151 can absorb the collision energy received by the middle longitudinal beam 150. The middle longitudinal beam 150 is prevented from being bent.

As shown in FIGS. 1 and 2 , in the specific embodiment provided by the present disclosure, the front frame further includes a plurality of front pillars, a plurality of neutral pillars, a plurality of rear pillars, a plurality of power transmission beams in the driver area, and a plurality of an upper collapsible energy absorbing beam. A plurality of front pillars and the front cross member 100 are located on the same plane (X-direction plane), a plurality of center pillars and the first middle beam 120 are located on the same plane (X-direction plane), and a plurality of rear pillars and the rear cross member 130 are located on the same plane (X-direction plane). plane), the lower ends of the plurality of front uprights, middle uprights and rear uprights can be respectively connected with the front crossbeam 100, the first middle crossbeam 120 and the rear crossbeam 130, or are connected to the front crossbeam 100 and the first middle crossbeam 120 respectively through other structures , the rear cross member 130 . A bumper mounting seat is installed on the above-mentioned front column, a plurality of power transmission beams in the driver area are connected with the front column and the neutral column, and a plurality of upper collapse energy-absorbing beams are connected between the neutral column and the rear column. The collision force can be transmitted to the driver's area force transmission beam through the bumper mounting seat, and then transmitted to the upper collapse energy-absorbing beam through the driver's area force transmission beam, so that the upper collapse energy-absorbing beam and the lower collapse energy-absorbing beam 34 With cooperation, the crushing deformation occurs, the collision energy is absorbed, the acceleration of the passenger car is reduced, and the safety of the driver and passengers is ensured.

Further, the above-mentioned multiple driver area force transmission beams include a plurality of driver area force transmission longitudinal beams that are parallel to each other and two mutually parallel driver area force transmission oblique beams, and the multiple driver area force transmission longitudinal beams include driving force transmission beams. The upper force-transmitting longitudinal beam in the driver's area, the front end of the upper force-transmitting longitudinal beam in the driver's area is a vector with the front column, the rear end of the upper force-transmitting longitudinal beam in the driver's area is connected with the center column, and the front end of the force-transmitting slant beam in the driver's area is connected to the center column. The front column is connected, and the rear end of the force transmission inclined beam in the driver area is connected with the center column. The above-mentioned upper force-transmitting longitudinal beam in the driver's area can transmit the collision force longitudinally to the collision energy-absorbing area 3, and the force-transmitting inclined beam in the driver's area can not only be used to transmit the collision force, but also can be used to suspend the spare tire. The power transmission inclined beam in the driver's area may be located below the upper power transmission longitudinal beam in the driver's area, and in order to facilitate the suspension of the spare tire, the front end of the power transmission inclined beam in the driver's area may be higher than its rear end.

The specific number and arrangement of the above-mentioned front column, middle column, rear column, force transmission beam in the driver's area, and upper collapse energy-absorbing beam can be various. 2, the plurality of front uprights include a first front upright 51 on which a first bumper mounting seat 81 is mounted, the plurality of central uprights include a first central upright 61, and the plurality of rear uprights include a first bumper mount 81. The rear pillar 71 , the plurality of force-transmitting longitudinal beams in the driver's area include the first force-transmitting longitudinal beam 11 in the upper part of the driver's area, the plurality of upper crumpling energy-absorbing beams include the first upper crumpling energy-absorbing beam 31 , and the first front column 51 The lower end of the first center column 61 is connected to the center longitudinal beam 150, the lower end of the first rear column 71 is connected to the rear longitudinal beam, and the front end of the first force transmission longitudinal beam 11 in the upper part of the driver's area is connected to the first longitudinal beam 150. A front upright column 51 is connected, the rear end is connected to the first central column 61, the front end of the first upper crumpling energy absorbing beam 31 is connected to the first central column 61, and the rear end of the first upper crumpling energy absorbing beam 31 is connected to the first central column 61. The rear pillars 71 are connected, the first front pillar 51, the first center pillar 61, the first rear pillar 71, the middle longitudinal beam 150, the first force transmission longitudinal beam 11 in the upper part of the driver's area, and the first upper collapse energy absorption beam 31 are located at the same Y plane. In this way, the collision impact force received by the first bumper mount 81 can be transmitted rearwardly to the collision energy absorbing area 3 through the upper first force-transmitting longitudinal beam 11 and the middle longitudinal beam 150 in the driver's area, and the first upper collapse absorption The energy beam 31 and the collapse energy absorbing section 151 of the middle longitudinal beam 150 absorb the collision energy.

Further, the plurality of front pillars further include a second front pillar 52 and a third front pillar 53 located in the driver's area 1, and a second bumper mounting seat 82 is installed between the second front pillar 52 and the third front pillar 53 , the plurality of center pillars also include a second center pillar 62 located on the left side of the first center pillar 61, and the multiple rear pillars also include a second rear pillar 72 located on the left side of the first rear pillar 71. The stringer also includes an upper second force-transmitting stringer 12 in the driver area, and the plurality of upper crumpling energy absorbing beams further includes a second upper crushing energy absorbing beam 32 . The lower end of the second front column 52 is connected to the front cross member 100, the upper end is connected to the upper second force transmission longitudinal beam 12 of the driver's area, and the rear end of the second force transmission longitudinal beam 12 of the upper driver's area is connected to the second center column 62, The front end of the second upper crumpling energy-absorbing beam 32 is connected to the second center column 62, and the rear end is connected to the second rear column 72. The second front column 52, the upper second force transmission longitudinal beam 12 in the driver area, the second The center column 62 and the second rear column 72 are located on the same Y-direction plane. In this way, the impact force of the collision received by the second bumper mount 82 can be transmitted rearwardly to the collision energy absorbing area 3 through the upper second force-transmitting longitudinal beam 12 in the driver's area, and the collision can be absorbed through the second upper collapse energy absorbing beam 32 energy.

As shown in FIG. 1 and FIG. 2 , the plurality of neutral columns further include a third neutral column 63 and a fourth neutral column 64 , the third neutral column 63 is arranged on the left side of the second neutral column 62 , and the fourth neutral column 64 is arranged On the right side of the second center pillar 62 , the plurality of rear pillars further include a third rear pillar 73 , the third rear pillar 73 and the third center pillar 63 are located in the same Y-direction plane, and the above-mentioned force transmission inclined beam in the driver area includes the driving force The first force transmission inclined beam 13 in the crew area and the second force transmission inclined beam 14 in the driver area. The front end of 13 is connected to the second front column 52, the rear end is connected to the fourth center column 64, the front end of the second force transmission inclined beam 14 in the driver area is connected to the third front column 53, and the rear end is connected to the third center column 63. , the third upper crumpling energy absorbing beam 33 is connected between the third center pillar 63 and the fourth center pillar 64 and is close to the rear end of the second force transmission inclined beam 14 in the driver area. In this way, the collision impact force received by the second bumper mounting seat 82 can be transmitted backward to the collision energy absorbing area 3 through the first inclined force transmission beam 13 in the driver area and the second inclined force transmission beam 14 in the driver area. The three upper crumpling energy absorbing beams 33 and the lower crumpling energy absorbing beams 34 absorb impact energy. Optionally, the lower crumpling energy-absorbing beam 34 may be arranged close to the force-transmitting inclined beam in the driver's area to facilitate the absorption of impact energy.

Further, the plurality of front uprights also include a fourth front upright 54 and a fifth front upright 55, the lower ends of the fourth front upright 54 and the fifth front upright 55 are both connected to the front cross member 100, and the fourth front upright 54 is connected to the right longitudinal beam. 160 are located on the same Y plane, the fifth front pillar 55 and the left longitudinal beam 140 are located in the same Y plane, the fourth front pillar 54 is mounted with a third bumper mount 83, and the fifth front pillar 55 is mounted with a fourth insurance Bar mount 84 . The collision impact force received by the third bumper mount 83 can be transmitted to the passenger area through the right side member 160 , and the collision impact force received by the fourth bumper mount 84 can be transmitted to the passenger area through the left side member 140 to facilitate collision energy. dispersion.

In addition, since the lower space of the driver's area 1, that is, the lower part of the driver's area power transmission inclined beam is used for storing the spare tire, the rigidity of the lower part of the driver's area 1 may be less than that of the upper part of the driver's area 1, and in the event of a frontal collision , the lower part of the driver's area 1 is easily deformed rapidly, resulting in a lateral bending moment, which causes other longitudinal beams to bend due to the lateral bending moment, affecting the longitudinal stiffness and longitudinal strength of the driver's area 1 . Therefore, the plurality of power-transmitting longitudinal beams in the driver's area may further include a lower power-transmitting longitudinal beam 15 in the driver's area to enhance the longitudinal rigidity and longitudinal strength of the lower part of the driver's area 1, and the lower power-transmitting longitudinal beam 15 in the driver's area is located in the middle longitudinal direction. Between the beam 150 and the left longitudinal beam 140, the front end of the lower power transmission longitudinal beam 15 in the driver's area is connected with the front cross member 100, and the rear end of the lower force transmission longitudinal beam 15 in the driver's area is connected with the first middle beam 120. The lower power transmission longitudinal beam 15, the front cross beam 100, the left longitudinal beam 140 and the first middle transverse beam 120 form a rectangular structure, and the four corners of the rectangular structure are provided with inclined beams 16 to strengthen the lower power transmission longitudinal beam 15, The bending resistance of the front cross member 100 , the left side member 140 and the first middle cross member 120 improves the overall rigidity of the driver's area 1 in the front frame.

Further, as shown in FIG. 5 , the cross sections of the lower power transmission longitudinal beam 15 and the left longitudinal beam 140 in the driver area are formed into hollow rectangular structures, and the interior of the lower power transmission longitudinal beam 15 and the left longitudinal beam 140 in the driver area are provided with Reinforcing plate 9 to further enhance the longitudinal rigidity and longitudinal strength of the lower part of the driver's area 1 . In addition, since the front end of the force transmission inclined beam in the driver area is higher than its rear end, it is easy to bend under the force during the collision process. In order to enhance the rigidity and bending resistance of the force transmission inclined beam in the driver area, The cross section of the inclined beam can be formed into a hollow rectangular structure, and a reinforcing plate 9 is arranged inside the force transmission inclined beam in the driver area. In this way, the rigidity and strength of the lower part of the driver's area 1 can be enhanced, so that the rigidity and strength of the lower part of the driver's area 1 can be close to or equal to the rigidity and strength of the upper part of the driver's area 1, so as to ensure the integrity of the driver's area 1 and reduce driving Possibility of bending of each stringer in member zone 1.

In addition, in the exemplary embodiment provided by the present disclosure, as shown in FIGS. 1 and 2 , the right side member 160 includes a first right side member 161 and a second right side member 162 , and the front end of the first right side member 161 is connected In the front cross member 100, the rear end of the first right side member 161 is connected to the second middle cross member 110, the front end of the second right side member 162 is connected to the second middle cross member 110, and the rear end of the second right side member 162 is connected to the rear Cross beam 130, first right longitudinal beam 161, front cross beam 100, middle longitudinal beam 150, second middle cross beam 110 enclose step area 2, second right longitudinal beam 162, second middle cross beam 110, middle longitudinal beam 150, rear cross beam 130 encloses the battery area 4 .

Due to the existence of structures such as front doors, steps and batteries, the longitudinal stiffness and longitudinal strength of the right side of the front frame are smaller than those of the left side, that is, the longitudinal stiffness and longitudinal strength of the step area 2 and battery area 4 are smaller than those of the driver. The longitudinal stiffness and longitudinal strength of the driver area 1, when the collision occurs, the step area 2 and the battery area 4 are easy to deform first and generate a bending moment, causing the longitudinal beams in the driver area 1 to bend, causing the driver area 1 to bend. The longitudinal stiffness and strength of the front frame are reduced, and the front frame is deformed as a whole. Therefore, in the exemplary embodiment provided by the present disclosure, as shown in FIG. 1 and FIG. 2 , the front frame may further include a force-transmitting longitudinal beam 21 in the stepped area to enhance the longitudinal rigidity and longitudinal strength of the stepped area 2 . The force transmission longitudinal beam 21 is located between the first right longitudinal beam 161 and the middle longitudinal beam 150, the front end of the force transmission longitudinal beam 21 in the step area is connected to the front cross beam 100, and the rear end of the force transmission longitudinal beam 21 in the step area is connected to the second middle beam Beam 110.

Further, as shown in FIG. 5 , the cross sections of the first right longitudinal beam 161 and the force transmission longitudinal beam 21 in the step area are formed into hollow rectangular structures, and the interior of the first right longitudinal beam 161 and the force transmission longitudinal beam 21 in the stepped area can be arranged There are reinforcing plates 9 to improve the longitudinal rigidity and longitudinal strength of the stepped area 2 as much as possible. In addition, in order to improve the longitudinal rigidity and longitudinal strength of the battery area 4 , the width of the second right longitudinal beam 162 may be increased, or the reinforcing plate 9 may also be provided inside the second right longitudinal beam 162 . In this way, the longitudinal rigidity and longitudinal strength of the step area 2 and the battery area 4 can be improved, so that the longitudinal rigidity and longitudinal strength of the step area 2 and the battery area 4 are close to or equal to those of the driver area 1, and the front frame can be reduced. The possibility of overall deformation.

Further, an oblique reinforcing beam 22 is also arranged in the step area 2, the oblique reinforcing beam 22 is located between the force transmission longitudinal beam 21 and the middle longitudinal beam 150 in the step area, and one end of the oblique reinforcing beam 22 is connected to the force transmission in the step area. The other end of the longitudinal beam 21 is connected to the second middle beam 110 to further enhance the bending resistance, longitudinal rigidity and longitudinal strength of the force transmission longitudinal beam 21 in the step area.

The present disclosure also provides a passenger car comprising the above-mentioned front frame of the passenger car.

The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings. However, the present disclosure is not limited to the specific details of the above-mentioned embodiments. Within the scope of the technical concept of the present disclosure, various simple modifications can be made to the technical solutions of the present disclosure. These simple modifications all fall within the protection scope of the present disclosure.

In addition, it should be noted that the various specific technical features described in the above-mentioned specific embodiments can be combined in any suitable manner unless they are inconsistent. In order to avoid unnecessary repetition, the present disclosure provides The combination method will not be specified otherwise.

In addition, the various embodiments of the present disclosure can also be arbitrarily combined, as long as they do not violate the spirit of the present disclosure, they should also be regarded as the contents disclosed in the present disclosure.

Claims (17)

1. a kind of front frame, which is characterized in that the front frame includes the driver area (1) and collision energy-absorbing area being disposed adjacent (3), the longitudinal strength of the collision energy-absorbing area (3) is less than the longitudinal strength of the driver area (1), and head-on crash occurs for vehicle When, impact force is transmitted to the collision energy-absorbing area (3) by the driver area (1), make collision energy-absorbing area (3) deformation with Absorb collision energy.

2. front frame according to claim 1, which is characterized in that be disposed in the collision energy-absorbing area (3) multiple along preceding The crumple energy-absorbing beam that rear direction extends.

3. front frame according to claim 2, which is characterized in that at least part of the crumple energy-absorbing beam is formed as wave Line pipe structure.

4. front frame according to claim 1, which is characterized in that the front frame further includes stepped region (2) and battery Area (4), the collision energy-absorbing area (3) are located at the rear of the driver area (1), and the stepped region (2) is located at the driver The left or right in area (1), the battery area (4) are located at the rear of the stepped region (2).

5. front frame according to claim 1 or 4, which is characterized in that the front frame includes front beam (100), first Middle cross beam (120), rear cross beam (130), left stringer (140), middle stringer (150) and right vertical beam (160), the front beam (100), the rear cross beam (130), the left stringer (140) and the right vertical beam (160) surround rectangle, the middle stringer (150) between the left stringer (140) and right vertical beam (160), the front end of the middle stringer (150) is connected to described preceding horizontal The rear end of beam (100), the middle stringer (150) is connected to the rear cross beam (130), and first middle cross beam (120) is located at institute It states between front beam (100) and rear cross beam (130), the right end of first middle cross beam (120) is connected to the middle stringer (150), the left end of first middle cross beam (120) is connected to the left stringer (140), the middle stringer (150), the preceding cross Beam (100), the left stringer (140) and first middle cross beam (120) surround the driver area (1), the middle stringer (150), first middle cross beam (120), the left stringer (140) and the rear cross beam (130) surround the collision energy-absorbing area (3)。

6. front frame according to claim 5, which is characterized in that the front frame further includes multiple lower part crumple energy-absorbing beams (34), multiple lower part crumple energy-absorbing beam (34) is spaced setting in left-right direction, each lower part crumple energy-absorbing beam (34) Front end is connected with first middle cross beam (120), and rear end is connected with the rear cross beam (130).

7. front frame according to claim 5, which is characterized in that the middle stringer (150) has crumple energy-absorbing section (151), the crumple energy-absorbing section (151) is between first middle cross beam (120) and rear cross beam (130).

8. front frame according to claim 5, which is characterized in that the front frame further includes multiple front columns, Duo Gezhong Column, multiple rear columns, multiple driver areas transfer beam and multiple top crumple energy-absorbing beams, the multiple front column and institute It states front beam (100) to be generally aligned in the same plane, the multiple central post is generally aligned in the same plane with first middle cross beam (120), institute It states multiple rear columns to be generally aligned in the same plane with the rear cross beam (130), the multiple driver area transfer beam and the front column It is connected with the central post, the multiple top crumple energy-absorbing beam is connected between the central post and the rear column.

9. front frame according to claim 8, which is characterized in that the multiple driver area transfer beam includes being parallel to each other Multiple driver Qu Chuanli stringers and Liang Ge driver's Qu Chuanli cant beam for being parallel to each other, the multiple driver Qu Chuanli it is vertical Beam includes driver area top power transmission stringer, and the front end of driver area top power transmission stringer is connected with the front column, institute The rear end for stating driver area top power transmission stringer is connected with the central post, the front end of the driver Qu Chuanli cant beam with it is described Front column is connected, and the rear end of the driver Qu Chuanli cant beam is connected with the central post.

10. front frame according to claim 9, which is characterized in that the multiple driver Qu Chuanli stringer further includes driving The area Shi Yuan lower part power transmission stringer (15), driver area lower part power transmission stringer (15) are located at the middle stringer (150) and Zuo Zong Between beam (140), the front end of driver area lower part power transmission stringer (15) is connected with the front beam (100), the driving The rear end of member's area lower part power transmission stringer (15) is connected with first middle cross beam (120), driver area lower part power transmission stringer (15), the front beam (100), the left stringer (140) and first middle cross beam (120) surround rectangular configuration, the rectangle The four corners of structure are provided with cant beam (16).

11. front frame according to claim 10, which is characterized in that the driver Qu Chuanli cant beam, the driver The cross section of area lower part power transmission stringer (15) and the left stringer (140) is formed as hollow rectangle structure, the driver Qu Chuan Power cant beam, driver area lower part power transmission stringer (15) and the left stringer (140) are internally provided with stiffening plate (9).

12. front frame according to claim 5, which is characterized in that the front frame further includes the second middle cross beam (110), The right end of second middle cross beam (110) is connected to the right vertical beam (160), the left end connection of second middle cross beam (110) In the middle stringer (150), the right vertical beam (160), the front beam (100), in the middle stringer (150) and described second Crossbeam (110) surrounds stepped region (2), the right vertical beam (160), second middle cross beam (110), the middle stringer (150) and The rear cross beam (130) surrounds battery area (4).

13. front frame according to claim 12, which is characterized in that the right vertical beam (160) includes the first right vertical beam (161) it is connected to front beam (100) with the second right vertical beam (162), the front end of first right vertical beam (161), described first is right The rear end of stringer (161) is connected to second middle cross beam (110), and the front end of second right vertical beam (162) is connected to described The rear end of second middle cross beam (110), second right vertical beam (162) is connected to the rear cross beam (130), first right vertical beam (161), the front beam (100), the middle stringer (150), second middle cross beam (110) surround the stepped region (2), institute State the second right vertical beam (162), second middle cross beam (110), the middle stringer (150), the rear cross beam (130) surround it is described Battery area (4).

14. front frame according to claim 13, which is characterized in that the front frame further includes stepped region power transmission stringer (21), the stepped region power transmission stringer (21) is between first right vertical beam (161) and middle stringer (150), the step The front end of area's power transmission stringer (21) is connected to the front beam (100), and the rear end of the stepped region power transmission stringer (21) is connected to Second middle cross beam (110).

15. front frame according to claim 14, which is characterized in that first right vertical beam (161) and stepped region power transmission The cross section of stringer (21) is formed as hollow rectangle structure, first right vertical beam (161) and stepped region power transmission stringer (21) It is internally provided with stiffening plate (9).

16. front frame according to claim 14, which is characterized in that be additionally provided with oblique reinforcement in the stepped region (2) Beam (22), the oblique reinforcing beam (22) are described oblique between the stepped region power transmission stringer (21) and middle stringer (150) One end of reinforcing beam (22) is connected to the stepped region power transmission stringer (21), and the other end is connected to second middle cross beam (110).

17. a kind of car, which is characterized in that the car includes front frame described in any one of claim 1-16.