CN208530699U - Body structure and vehicle - Google Patents

Abstract

This disclosure relates to a kind of body structure and vehicle, body structure includes C column outside plate (2), rear wheel cover outer plate (3) and reinforcing beam (4), the lower end of C column outside plate (2) is connected with the upper end of rear wheel cover outer plate (3), reinforcing beam (4) is located at the outside of C column outside plate (2) and rear wheel cover outer plate (3), the upper end of reinforcing beam (4) is connected with C column outside plate (2), and the lower end of reinforcing beam (4) is connected with rear wheel cover outer plate (3).Through the above technical solution, the reinforcing beam on the outside of C column outside plate and rear wheel cover outer plate, which is arranged in, can be improved the Z-direction rigidity and torsion stiffness in vehicle damping area, and the active force for being subject to rear wheel cover outer plate can not only be transferred directly to C column outside plate, C column outside plate can also be transferred to by reinforcing beam, to be conducive to the smooth transfer of power, the torsion stiffness of vehicle body entirety is improved.

Description

Body structure and vehicle

Technical field

This disclosure relates to technical field of vehicle manufacture, and in particular, to a kind of body structure and use the body structure Vehicle.

Background technique

During Car design, body stiffness is the design objective one of tightened up compared with intensity requirement, especially vehicle body Torsion stiffness, body torsional rigdity are the key that vehicle body is resisting more severe twisting conditions load guarantee index.In vehicle row During sailing, for especially vehicle in rough road traveling, the loading direction that left and right vehicle wheel wheel is subject to is inconsistent, vehicle Body can twist deformation because of torsion, and body torsional rigdity is lower, and torsional deflection is bigger, and vehicle is easier in driving process In there is the case where phase mutual friction between component, to generate abnormal sound, influence riding experience sense.Also, body torsional rigdity is not Foot will lead to that vehicle body Integral modes are relatively low, and vehicle body Integral modes are lower, and vehicle is easier in the process of moving to be swashed by extraneous low frequency It encourages and evokes, cause the noise that resonates and generate, so as to cause the NVH reduced performance of vehicle.Therefore, the torsion of vehicle body entirety how is improved Turn rigidity and NVH performance is particularly important during Car design.

Attention in particular with people to environment and energy problem, Car design is towards environmentally friendly, energy saving, safety Direction is developed, and is gradually replacing traditional fuel combustion vehicle by the electric vehicle that power battery drives, for electric vehicle, Although vibration and noise without engine, also just because of this, road excitation reaches the noise of vehicle body by front and rear suspension It can be more prominent.Therefore, the torsion stiffness of vehicle body entirety how is improved, so that the NVH performance of vehicle is promoted, either for passing System fuel combustion vehicle or new energy vehicle are all extremely important.

Either in conventional fuel oil vehicle or in new energy vehicle, the rigidity of rear damper region all significantly affects vehicle The whole torsion stiffness of body, in existing vehicle, the C post part of rear damper region is straight single layer metal plate, according to the mechanics of materials Middle section the moment of inertia theory causes its cross section coefficient also less than normal it is found that since the cross-sectional area of straight single layer metal plate is smaller, It is less than normal so as to cause the whole torsion stiffness of vehicle body, and then cause vehicle is easier in the process of moving to be swashed by extraneous low-frequency excitation It rises, causes to resonate and generate noise.

Utility model content

Purpose of this disclosure is to provide a kind of body structure and using the vehicle of the body structure, which can be effective Ground improves the torsion stiffness of damper region and the whole torsion stiffness of vehicle body after vehicle, to improve the NVH performance of vehicle, reduces The generation of vehicle abnormal sound, resonance and noise promotes the riding experience sense of vehicle.

To achieve the goals above, the disclosure provides a kind of body structure, including C column outside plate, rear wheel cover outer plate and reinforcement The lower end of beam, the C column outside plate is connected with the upper end of the rear wheel cover outer plate, and the reinforcing beam is located at the C column outside plate with after The outside of hood panel is taken turns, the upper end of the reinforcing beam is connected with the C column outside plate, the lower end of the reinforcing beam and the rear wheel cover Outside plate is connected.

Optionally, the body structure further includes that C column inner panel, the C column inner panel are connected with the C column outside plate, the C column Outside plate outwardly convex, so as to form cavity between the C column outside plate and C column inner panel.

Optionally, the avoid holes for avoiding back seat coiler are offered on the rear wheel cover outer plate and C column inner panel, Projection of the avoid holes in Y-direction is located on the reinforcing beam.

Optionally, the cross section of the reinforcing beam is formed as " several " character form structure, and the reinforcing beam includes reinforcing beam roof The reinforcing beam side wall opposite with two, the upper end of the reinforcing beam roof are formed with the first flange, under the reinforcing beam roof End is formed with the second flange, is formed with third flange on a reinforcing beam side wall, is formed with the 4th on another reinforcing beam side wall Flange, first flange are connect with the C column outside plate, second flange, third flange, the 4th flange and the rear wheel cover Outside plate connection.

Optionally, the reinforcing beam, the C column outside plate, the rear wheel cover outer plate constitute closed cavity.

Optionally, lightening hole is formed on the reinforcing beam.

Optionally, multiple reinforcing ribs are formed on the reinforcing beam, the lightening hole is arranged in the multiple reinforcing rib Around.

Optionally, the reinforcing rib includes the first reinforcing rib, the second reinforcing rib, third reinforcing rib, the 4th reinforcing rib and the Five reinforcing ribs, first reinforcing rib and the second reinforcing rib are located at the upper end of the reinforcing beam roof, the third reinforcing rib and 4th reinforcing rib is located at the lower end of the reinforcing beam roof, and the 5th reinforcing rib is located on the reinforcing beam side wall.

Optionally, first positioning hole and second location hole, the first positioning hole position are offered on the reinforcing beam roof Between first reinforcing rib and the second reinforcing rib, the second location hole is located at the third reinforcing rib and the 4th reinforcing rib Between.

Optionally, the depth of the reinforcing beam is gradually reduced from the centre of the reinforcing beam to the both ends of the reinforcing beam.

Through the above technical solutions, being provided with reinforcing beam on the outside of C column outside plate and rear wheel cover outer plate, reinforcing beam can be further The Z-direction rigidity and torsion stiffness of vibration absorber after raising vehicle, and the active force for being subject to rear wheel cover outer plate not only can be passed directly It is handed to C column outside plate, C column outside plate can also be transferred to by reinforcing beam, to be conducive to the smooth transfer of power, it is whole to reach raising vehicle body The purpose of body torsion stiffness and vehicle NVH performance.

According to another aspect of the present disclosure, a kind of vehicle is provided, including above-mentioned body structure.

Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.

Detailed description of the invention

Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:

Fig. 1 is the plan view for the body structure that the disclosure illustrative embodiments from vehicle outside direction provide；

Fig. 2 is the rearview for the body structure that the disclosure illustrative embodiments from interior direction provide；

Fig. 3 is the A-A cross-sectional view of Fig. 1；

Fig. 4 is the schematic perspective view of the reinforcing beam in the body structure that disclosure illustrative embodiments provide；

Fig. 5 is the structural block diagram for the vehicle that disclosure illustrative embodiments provide.

Description of symbols

1 C column inner panel, 2 C column outside plate

3 rear wheel cover outer plate, 4 reinforcing beam

41 reinforcing beam roof, 42 reinforcing beam side wall

43 first flange, 44 second flange

The 4th flange of 45 third flange 46

5 cavity, 6 avoid holes

7 cavity, 81 lightening hole

82 first positioning hole, 83 second location hole

9 reinforcing rib, 91 first reinforcing rib

92 second reinforcing rib, 93 third reinforcing rib

The 5th reinforcing rib of 94 the 4th reinforcing rib 95

100 body structure, 1000 vehicle

Specific embodiment

It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.

In the disclosure, in the absence of explanation to the contrary, the noun of locality used such as " up, down, left, right, before and after " is logical The up, down, left, right, before and after of vehicle itself is referred to, is "upper" towards the direction of ceiling, towards the direction on floor specifically It is " left side " towards the direction of left wheel for "lower", is " right side " towards the direction of right wheel, is " preceding ", court towards the direction of headstock It is " rear " to the direction of the tailstock, in addition, in the disclosure, " X to " refers to the front-rear direction of vehicle, and " Y-direction " refers to vehicle Left and right directions, " Z-direction " refers to the up and down direction of vehicle.

As shown in Figures 1 to 5, the disclosure provides a kind of body structure 100, including C column inner panel 1, C column outside plate 2, rear wheel cover Outside plate 3 and reinforcing beam 4, C column inner panel 1 are connected with C column outside plate 2,2 outwardly convex of C column outside plate, so that C column outside plate 2 and C column inner panel 1 Between form cavity 5, that is to say, that in the disclosure, C column is made of C column outside plate 2 and C column inner panel 1, and C column outside plate 2 and C column There are gaps between inner panel 1, so that C column outside plate 2 and C column inner panel 1 constitute closed ring-shaped cavity structure, thus by increasing C column The torsion stiffness of vibration absorber and the whole torsion of vehicle body are rigid after the cross-sectional area raising vehicle that outside plate 2 and C column inner panel 1 are constituted Degree.The lower end of C column outside plate 2 is connected with the upper end of rear wheel cover outer plate 3, and reinforcing beam 4 is located at the outer of C column outside plate 2 and rear wheel cover outer plate 3 The upper end of side, reinforcing beam 4 is connected with C column outside plate 2, and the lower end of reinforcing beam 4 is connected with rear wheel cover outer plate 3, to further improve The Z-direction rigidity of vibration absorber after vehicle.

Through the above technical solutions, compared with the C column of single layer sheet metal structural in the prior art, the vehicle body knot of disclosure offer The C column of structure 100 is made of C column inner panel 1 and C column outside plate 2, to reinforce the rigidity of vibration absorber after vehicle, also, C column inner panel 1 and C Cavity 5 is formed between column outside plate 2, the cross-sectional area of C column is the cross section for the cavity 5 that C column outside plate 2 and C column inner panel 1 are constituted Area so that the cross section coefficient of C column and torsion stiffness be made to become larger, and then improves the torsion stiffness of vehicle body entirety, improves vehicle body The ability of torsional deflection is resisted in the process of moving.In addition, the outside of C column outside plate 2 and rear wheel cover outer plate 3 is additionally provided with reinforcing beam 4, reinforcing beam 4 can further improve the Z-direction rigidity and torsion stiffness of vibration absorber after vehicle, and the work for being subject to rear wheel cover outer plate 3 It firmly can be not only transferred directly to C column outside plate 2, C column outside plate 2 can also be transferred to by reinforcing beam 4, to be conducive to the flat of power Steady transmitting achievees the purpose that improve vehicle body entirety torsion stiffness and vehicle NVH performance.

Further, in the illustrative embodiments that the disclosure provides, as shown in Fig. 2, in rear wheel cover outer plate 3 and C column The avoid holes 6 for avoiding back seat coiler are offered on plate 1, in order to the installation and arrangement of back seat coiler, Avoid back seat coiler and rear wheel cover outer plate 3 and C column inner panel 1 that mechanical interference occurs.Due in rear wheel cover outer plate 3 and C column Avoid holes 6 are offered on plate 1, avoid holes 6 can weaken the rigidity of rear wheel cover outer plate 3 and C column inner panel 1, therefore, to prevent avoid holes 6 influence rear wheel cover outer plate 3, C column inner panel 1 and the overall stiffness of rear vibration absorber keeps away in a kind of embodiment that the disclosure provides Projection of the hole 6 in Y-direction is allowed to be located on reinforcing beam 4, that is to say, that reinforcing beam 4 is located at 6 outside of avoid holes, to enhance evacuation The torsion stiffness of Z-direction rigidity and rear vibration absorber at hole 6.

Reinforcing beam 4 can be any suitable structure, in a kind of embodiment that the disclosure provides, such as Fig. 1 and Fig. 4 institute Show, the cross section of reinforcing beam 4 is formed as " several " character form structure, and reinforcing beam 4 includes reinforcing beam roof 41 and is formed in reinforcement back Two opposite reinforcing beam side walls 42 on wall 41, the upper end of reinforcing beam roof 41 is formed with the first flange 43, reinforcing beam roof 41 lower end is formed with the second flange 44, is formed with third flange 45 on a reinforcing beam side wall 42, another reinforcing beam side wall The 4th flange 46 is formed on 42, the first flange 43 is connect with C column outside plate 2, the second flange 44, third flange 45, the 4th flange 46 connect with rear wheel cover outer plate 3.Specifically, the first flange 43, the second flange 44, third flange 45 and the 4th flange 46 can be with By welding, such as by way of spot welding it is fixedly connected with C column outside plate 2 and rear wheel cover outer plate 3.It is provided in the disclosure Specific embodiment in, height of the reinforcing beam 4 in Z-direction be 369mm, X upward width be 157mm.Such as Fig. 1 and Fig. 3 It is shown, due to 2 outwardly convex of C column outside plate, consequently, to facilitate the fixation and installation of reinforcing beam 4, make outside C column outside plate 2 and rear wheel cover The phenomenon that capable of being connected smoothly by reinforcing beam 4 between plate 3, not generate structural mutation, the first flange 43 is overlapped on C column outside plate 2 downside, to avoid forming protrusion on C column outside plate 2.

Further, since the cross section of reinforcing beam 4 is formed as " several " character form structure, the opening of reinforcing beam 4 is towards outside C column The direction of plate 2 and rear wheel cover outer plate 3 setting, in this way, as shown in figure 3, reinforcing beam 4, C column outside plate 2, rear wheel cover outer plate 3 can be with structures At cavity 7, i.e., reinforcing beam 4, C column outside plate 2, form cyclic structure between rear wheel cover outer plate 3.Due to the torsion stiffness and cross of component Area of section is related to cross section coefficient, and when cross-sectional area is bigger, i.e., reinforcing beam 4, C column outside plate 2, rear wheel cover outer plate 3 can When cross-sectional area to constitute cavity 7 is bigger, then cross section coefficient is bigger, and the torsion stiffness at reinforcing beam 4 is bigger, and torsion becomes Shape it is smaller and resist torsional deflection ability it is stronger, to further increase the whole torsion stiffness of vehicle body, especially vehicle The torsion stiffness of vibration absorber and the NVH performance and handling stability of vehicle can wait after.

Further, since the lightweight of vehicle has become the trend in vehicle manufacture field, the lightweight of vehicle be exactly Under the premise of the intensity and security performance that guarantee automobile, the total quality of automobile is reduced as much as possible, to improve the dynamic of automobile Power reduces fuel consumption.Therefore, in the illustrative embodiments that the disclosure provides, for the light weight for realizing body structure 100 Change, as shown in figure 4, lightening hole 81 is formed on reinforcing beam 4, to mitigate the quality of reinforcing beam 4, to mitigate body structure 100 With the quality of vehicle 1000.

Further, it due to being formed with lightening hole 81 on reinforcing beam 4, for the intensity for guaranteeing reinforcing beam 4, prevents because of lightening hole 81 and influence the integral strength of reinforcing beam 4, in the illustrative embodiments that the disclosure provides, as shown in figure 4, on reinforcing beam 4 Multiple reinforcing ribs 9 are formed with, multiple reinforcing ribs 9 are arranged in around lightening hole 81, thus ensure that the intensity of reinforcing beam 4, Also achieve the lightweight of reinforcing beam 4.

Further, in a kind of embodiment that the disclosure provides, reinforcing rib 9 adds including the first reinforcing rib 91, second Strengthening tendons 92, third reinforcing rib 93, the 4th reinforcing rib 94 and the 5th reinforcing rib 95, first reinforcing rib 91, the second reinforcing rib 92, Three reinforcing ribs 93, the 4th reinforcing rib 94 and the 5th reinforcing rib 95 extend along the length direction of reinforcing beam 4, i.e., extend along Z-direction, from And enhance rigidity of the reinforcing beam 4 in Z-direction, specifically, the first reinforcing rib 91 and the second reinforcing rib 92 are located at reinforcing beam roof 41 Upper end, third reinforcing rib 93 and the 4th reinforcing rib 94 are located at the lower end of reinforcing beam roof 41, so that lightening hole 81 is located at first The lower end of reinforcing rib 91 and the second reinforcing rib 92, and it is located at the upper end of third reinforcing rib 93 and the 4th reinforcing rib 94, the 5th reinforces Muscle 95 is located on reinforcing beam side wall 42.

In addition, for convenience of the positioning and installation of other components around reinforcing beam 4, as shown in figure 4, provided in the disclosure one In kind of embodiment, it is also provided with first positioning hole 82 and second location hole 83 on reinforcing beam roof 41, first positioning hole 82 Between the first reinforcing rib 91 and the second reinforcing rib 92, second location hole 83 be located at third reinforcing rib 93 and the 4th reinforcing rib 94 it Between, i.e. the first reinforcing rib 91 and the second reinforcing rib 92 are arranged in around first positioning hole 82, third reinforcing rib 93 and the 4th Reinforcing rib 94 is arranged in around second location hole 83, so that first positioning hole 82 and second location hole 83 be avoided to influence to reinforce The intensity of beam 4.Component around reinforcing beam 4 can position its peace by the position of first positioning hole 82 and second location hole 83 Holding position.

In addition, not generating knot to make to be connected smoothly by reinforcing beam 4 between C column outside plate 2 and rear wheel cover outer plate 3 The phenomenon that structure mutation and stress are concentrated, as shown in figure 3, in the disclosure, the depth of reinforcing beam 4 is from the centre of reinforcing beam 4 to adding The both ends of brutal 4 are gradually reduced, that is to say, that the depth (depth in Y-direction) among reinforcing beam 4 is less than 4 both ends of reinforcing beam Depth, so that reinforcing beam 4 will not protrude from C column outside plate 2 and rear wheel cover outer plate after connecting with C column outside plate 2 and rear wheel cover outer plate 3 3 surface.Specifically, the depth among reinforcing beam 4 is 75mm, and the depth at both ends is 51mm.

According to another aspect of the present disclosure, as shown in figure 5, a kind of vehicle 1000 is provided, including above-mentioned body structure 100。

The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure Monotropic type, these simple variants belong to the protection scope of the disclosure.It is further to note that in above-mentioned specific embodiment Described in each particular technique feature can be combined in any appropriate way in the case of no contradiction, be Avoid unnecessary repetition, no further explanation will be given to various combinations of possible ways for the disclosure.

In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally Disclosed thought equally should be considered as disclosure disclosure of that.

Claims (11)

1. a kind of body structure, which is characterized in that including C column outside plate (2), rear wheel cover outer plate (3) and reinforcing beam (4), the C column The lower end of outside plate (2) is connected with the upper end of the rear wheel cover outer plate (3), the reinforcing beam (4) be located at the C column outside plate (2) and The outside of rear wheel cover outer plate (3), the upper end of the reinforcing beam (4) are connected with the C column outside plate (2), under the reinforcing beam (4) End is connected with the rear wheel cover outer plate (3).

2. body structure according to claim 1, which is characterized in that the body structure (100) further includes C column inner panel (1), the C column inner panel (1) is connected with the C column outside plate (2), C column outside plate (2) outwardly convex, so that the C column outside plate (2) cavity (5) are formed between C column inner panel (1).

3. body structure according to claim 2, which is characterized in that on the rear wheel cover outer plate (3) and C column inner panel (1) The avoid holes (6) for avoiding back seat coiler are offered, projection of the avoid holes (6) in Y-direction is located at described add On brutal (4).

4. body structure according to claim 1, which is characterized in that the cross section of the reinforcing beam (4) is formed as " several " Character form structure, the reinforcing beam (4) include reinforcing beam roof (41) and two opposite reinforcing beam side walls (42), the reinforcing beam The upper end of roof (41) is formed with the first flange (43), and the lower end of the reinforcing beam roof (41) is formed with the second flange (44), Third flange (45) are formed on one reinforcing beam side wall (42), are formed with the 4th flange on another reinforcing beam side wall (42) (46), first flange (43) connect with the C column outside plate (2), second flange (44), the third flange (45), 4th flange (46) connect with the rear wheel cover outer plate (3).

5. body structure according to claim 4, which is characterized in that the reinforcing beam (4), the C column outside plate (2), institute It states rear wheel cover outer plate (3) and constitutes cavity (7).

6. body structure according to claim 4, which is characterized in that be formed with lightening hole (81) on the reinforcing beam (4).

7. body structure according to claim 6, which is characterized in that be formed with multiple reinforcing ribs on the reinforcing beam (4) (9), the multiple reinforcing rib (9) is arranged around the lightening hole (81).

8. body structure according to claim 7, which is characterized in that the reinforcing rib (9) include the first reinforcing rib (91), Second reinforcing rib (92), third reinforcing rib (93), the 4th reinforcing rib (94) and the 5th reinforcing rib (95), first reinforcing rib (91) and the second reinforcing rib (92) is located at the upper end of the reinforcing beam roof (41), and the third reinforcing rib (93) and the 4th reinforce Muscle (94) is located at the lower end of the reinforcing beam roof (41), and the 5th reinforcing rib (95) is located at the reinforcing beam side wall (42) On.

9. body structure according to claim 8, which is characterized in that it is fixed to offer first on the reinforcing beam roof (41) Position hole (82) and second location hole (83), the first positioning hole (82) are located at first reinforcing rib (91) and the second reinforcing rib (92) between, the second location hole (83) is between the third reinforcing rib (93) and the 4th reinforcing rib (94).

10. body structure according to claim 4, which is characterized in that the depth of the reinforcing beam (4) is from the reinforcing beam (4) centre is gradually reduced to the both ends of the reinforcing beam (4).

11. a kind of vehicle, which is characterized in that including body structure of any of claims 1-10 (100).