CN213921223U

CN213921223U - Vehicle body and vehicle

Info

Publication number: CN213921223U
Application number: CN202022810119.9U
Authority: CN
Inventors: 杨晓辉
Original assignee: Beijing CHJ Automotive Information Technology Co Ltd
Current assignee: Beijing CHJ Automotive Information Technology Co Ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-10
Anticipated expiration: 2030-11-27

Abstract

The present disclosure relates to the field of vehicle manufacturing technologies, and in particular, to a vehicle body and a vehicle, where the vehicle body includes a roof side rail; a front longitudinal beam; the energy absorption box is arranged between the upper side beam and the front longitudinal beam; coupling assembling, coupling assembling set up in the one side that the front longitudinal deviates from the crash box for connect front longitudinal and sub vehicle frame, coupling assembling corresponds the setting with the crash box. Through set up the energy-absorbing box between roof beam and the front longitudinal, the transmission and the decomposition of the power between front longitudinal and the roof beam have been realized, correspond the setting through coupling assembling and energy-absorbing box simultaneously, the effort has been reduced and has been transmitted the transmission route of supreme roof beam through coupling assembling, the transmission efficiency of power has been improved, the atress of sub vehicle frame and front longitudinal has been reduced, the size of coupling assembling and sub vehicle frame hookup location department's effort of receiving has been reduced simultaneously, the dynamic stiffness of coupling assembling and sub vehicle frame hookup location department and the rigidity of automobile body have been improved.

Description

Vehicle body and vehicle

Technical Field

The present disclosure relates to vehicle manufacturing technology, and particularly to a vehicle body and a vehicle.

Background

In a traditional vehicle model, a water tank frame structure is usually arranged at the front end of a front longitudinal beam, and the front longitudinal beam and a top side beam can be connected together through a water tank upright post to form an integral frame structure so as to improve the rigidity of a vehicle body and the dynamic rigidity of a chassis mounting point.

With the increase of the requirement of users for the appearance shape of the vehicle, the size of the front lamp in the width direction of the vehicle is increased to improve the appearance shape of the vehicle, and the water tank frame is not required to be arranged to provide sufficient installation space for the front lamp when the size of the front lamp is increased. However, the elimination of the water tank frame results in failure to achieve transmission and resolution of force between the front side member and the roof side rail, resulting in poor rigidity of the vehicle body and poor dynamic rigidity of the chassis mounting point.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem or at least partially solve the technical problem, the present disclosure provides a vehicle body and a vehicle.

The present disclosure provides a vehicle body, comprising:

a roof side rail;

a front longitudinal beam;

the energy absorption box is arranged between the upper edge beam and the front longitudinal beam, and the upper edge beam is connected with the front longitudinal beam through the energy absorption box;

coupling assembling, coupling assembling set up in the front longitudinal deviates from one side of crash box is used for connecting front longitudinal and sub vehicle frame, coupling assembling with the crash box corresponds the setting.

The utility model provides an among the automobile body, including roof side rail and front longitudinal, be provided with the energy-absorbing box between roof side rail and the front longitudinal, and roof side rail and front longitudinal pass through the energy-absorbing box and connect, one side that the front longitudinal deviates from the energy-absorbing box is provided with coupling assembling, and coupling assembling is used for connecting front longitudinal and sub vehicle frame. When the vehicle chassis receives the exogenic action, external force can transmit to the sub vehicle frame in, because the sub vehicle frame passes through coupling assembling and is connected with the front longitudinal, be provided with the energy-absorbing box between front longitudinal and the roof beam, partial effort that the sub vehicle frame received can transmit to the front longitudinal in through coupling assembling, and transmit and the dispersion in the front longitudinal, wherein, partial effort passes through the energy-absorbing box and makes progress the boundary beam transmission, and the dispersion in the roof beam, thereby realized when the vehicle body chassis receives the exogenic action, to transmission and dispersion effect of force, the rigidity of automobile body has been improved. And the energy absorption box has an energy absorption function, so that the force applied to the front longitudinal beam is transmitted to the upper edge beam, and meanwhile, the partial force can be absorbed, so that the stress value of the upper edge beam is reduced, and the upper edge beam is protected.

And, coupling assembling corresponds the setting with the energy-absorbing box, namely, the setting position of energy-absorbing box corresponds the setting with coupling assembling's setting position, that is to say, the position that the energy-absorbing box set up and the position that coupling assembling set up, two positions are symmetrical about the front longitudinal beam, make the effort can be directly through coupling assembling and front longitudinal beam transmission to energy-absorbing box and in the roof side rail, in order to reduce the transmission route that the effort transmitted to the roof side rail through coupling assembling, improve the proportion and the speed that external force transmitted to energy-absorbing box and roof side rail, thereby improve the transmission efficiency of effort, reduce the atress of sub vehicle frame and front longitudinal beam, the size of the effort that coupling assembling and sub vehicle frame hookup location department received has been reduced simultaneously, the dynamic stiffness of coupling assembling and sub vehicle frame hookup location department has been improved.

Optionally, the connecting assembly includes screwed pipe and connecting plate, the connecting assembly pass through the screwed pipe with the front longitudinal is connected, the connecting plate set up in the screwed pipe is kept away from the one end of front longitudinal for with sub vehicle frame butt.

Optionally, a reinforcing member is sleeved outside the threaded pipe, one end of the reinforcing member is connected with the front longitudinal beam, and the other end of the reinforcing member is connected with the connecting plate.

Optionally, the reinforcing member includes a first flange for connecting with the front side member and a second flange for connecting with the connecting plate.

Optionally, the front longitudinal beam includes a first side plate, the connection assembly further includes a first bracket, one end of the first bracket is connected to the first side plate, and one end of the first bracket, which is far away from the front longitudinal beam, is connected to the connection plate to form a first energy absorption cavity.

Optionally, the front side member includes a second side plate, the connecting assembly further includes a second bracket, one end of the second bracket is connected to the second side plate, and one end of the second bracket, which is far away from the front side member, is connected to the connecting plate to form a second energy-absorbing chamber.

Optionally, a support member is disposed at a connection position of the roof side rail and the front longitudinal rail, and two adjacent side edges of the support member are respectively connected to the roof side rail and the front longitudinal rail.

Optionally, the support member is of triangular configuration.

Optionally, the crash box includes a first support plate integrally formed with the support member.

The present disclosure also provides a vehicle, the above-mentioned automobile body.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of a roof side rail and front rail connection according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of a connection assembly in a vehicle body according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of the connection of the front rail and the connecting assembly according to the embodiment of the disclosure;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a schematic structural view of a vehicle body according to an embodiment of the present disclosure;

fig. 6 is a schematic view of a support member according to an embodiment of the disclosure.

Wherein, 1-roof side rail; 2-front longitudinal beam; 21-a first side panel; 22-a second side panel; 3-an energy absorption box; 31-a first support plate; 4-a connecting assembly; 41-a threaded pipe; 42-a connecting plate; 43-a reinforcing component; 44-a first flange; 45-second flanging; 46-a first support; 47-a first energy-absorbing chamber; 48-a second support; 49-a second energy-absorbing chamber; 5-a support member.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

Fig. 1 is a schematic view illustrating a connection between a roof side rail 1 and a front side rail 2 according to an embodiment of the present disclosure. As shown in fig. 1, an embodiment of the present disclosure provides a vehicle body, including: a roof side rail 1; a front longitudinal beam 2; the energy absorption box 3 is arranged between the upper side beam 1 and the front longitudinal beam 2, and the upper side beam 1 and the front longitudinal beam 2 are connected through the energy absorption box 3; coupling assembling 4, coupling assembling 4 set up in the one side that front longitudinal beam 2 deviates from energy-absorbing box 3 for connect front longitudinal beam 2 and sub vehicle frame, coupling assembling 4 corresponds the setting with energy-absorbing box 3.

In the automobile body that this disclosed embodiment provided, including roof side rail 1 and front longitudinal 2, be provided with energy-absorbing box 3 between roof side rail 1 and the front longitudinal 2, and roof side rail 1 and front longitudinal 2 are connected through energy-absorbing box 3, and one side that front longitudinal 2 deviates from energy-absorbing box 3 is provided with coupling assembling 4, and coupling assembling 4 is used for connecting front longitudinal 2 and sub vehicle frame. When the vehicle chassis receives the exogenic action, external force can transmit to the sub vehicle frame in, because the sub vehicle frame passes through coupling assembling 4 and is connected with front longitudinal 2, be provided with energy-absorbing box 3 between front longitudinal 2 and the roof side rail 1, partial effort that the sub vehicle frame received can transmit to front longitudinal 2 in through coupling assembling 4, and transmit and disperse in front longitudinal 2, wherein, partial effort passes through energy-absorbing box 3 and transmits to roof side rail 1, and disperse in roof side rail 1, thereby realized when the vehicle body chassis receives the exogenic action, to transmission and dispersion effect of force, the rigidity of automobile body has been improved. Moreover, the energy absorption box 3 has an energy absorption function, so that the force received by the front longitudinal beam 2 is transmitted to the roof side rail 1, and meanwhile, partial force can be absorbed, so that the stress value of the roof side rail 1 is reduced, and the roof side rail 1 is protected.

And, coupling assembling 4 corresponds the setting with energy-absorbing box 3, namely, the position that sets up of energy-absorbing box 3 corresponds the setting with coupling assembling 4's position, that is to say, the position that energy-absorbing box 3 set up and the position that coupling assembling 4 set up, two positions are symmetrical about front longitudinal beam 2, make the effort can directly transmit to energy-absorbing box 3 and upper boundary beam 1 through coupling assembling 4 and front longitudinal beam 2 in, in order to reduce the effort and transmit the transmission route to upper boundary beam 1 through coupling assembling 4, improve the proportion and the speed that external force transmitted to energy-absorbing box 3 and upper boundary beam 1, thereby improve the transmission efficiency of effort, reduce the atress of sub vehicle frame and front longitudinal beam 2, the size of the effort that coupling assembling 4 and sub vehicle frame hookup location department received has been reduced simultaneously, the dynamic stiffness of coupling assembling 4 and sub vehicle frame hookup location department has been improved.

The vehicle body can realize the effect of improving the rigidity of the vehicle body when the chassis of the vehicle body is acted by external force, and also realize the effect of improving the rigidity of the vehicle body when the chassis of the vehicle body is impacted by a front side or an offset.

When the vehicle body is impacted by the front face or offset, the front longitudinal beam 2 is acted by external force, and in the external force applied to the front longitudinal beam 2: part of acting force can be transmitted to the upper side beam 1 through the energy absorption box 3, and the energy absorption box 3 can absorb part of acting force in the transmission process; part of the acting force can be transmitted to the auxiliary frame through the connecting component 4, so that the effect of dispersing the external force applied to the front longitudinal beam 2 is realized.

Because the mounting position of the energy absorption box 3 and the mounting position of the connecting component 4 are symmetrical about the front longitudinal beam 2, the high-efficiency force transmission effect can be realized, the stress of the front longitudinal beam 2 is reduced, the front longitudinal beam 2 is protected, and the rigidity of the vehicle body is improved.

Fig. 2 is a schematic view of a connecting assembly 4 in a vehicle body according to an embodiment of the present disclosure. As shown in fig. 2, in some embodiments, the connection assembly 4 includes a threaded pipe 41 and a connection plate 42, the connection assembly 4 is connected to the front side frame 2 through the threaded pipe 41, and the connection plate 42 is disposed at an end of the threaded pipe 41 away from the front side frame 2 for abutting against the subframe.

Including screwed pipe 41 in above-mentioned coupling assembling 4, coupling assembling 4 is connected with front longitudinal beam 2 through screwed pipe 41, and the open end of screwed pipe 41 deviates from front longitudinal beam 2 and sets up to be convenient for with sub vehicle frame threaded connection. In order to increase the contact area between the connection assembly 4 and the subframe, a connection plate 42 is further provided at the open end of the threaded pipe 41, i.e., an opening is provided on the connection plate 42 to correspond to the open end of the threaded pipe 41. After sub vehicle frame and screwed pipe 41 threaded connection, connecting plate 42 and sub vehicle frame butt to when making sub vehicle frame take place to rock, coupling assembling 4 can with sub vehicle frame synchronous motion, in order to avoid taking place relative motion between coupling assembling 4 and the sub vehicle frame and lead to coupling assembling 4 and the sub vehicle frame between be connected inefficacy, lead to the automobile body to take place to damage.

In some embodiments, the outer side of the threaded pipe 41 is sleeved with a reinforcing member 43, and one end of the reinforcing member 43 is connected to the front side member 2 and the other end is connected to the connecting plate 42.

In order to further ensure the reliability of the connection between the connection assembly 4 and the subframe, the connection assembly 4 further includes a reinforcing member 43, the reinforcing member 43 is disposed outside the threaded pipe 41, and the reinforcing member 43 is connected to the front side member 2 and the connecting plate 42, respectively, so as to improve the rigidity of the connection assembly 4. And the arrangement of the reinforcing component 43 increases the transmission path of force between the front longitudinal beam 2 and the auxiliary frame, thereby reducing the stress of the threaded pipe 41 and protecting the threaded pipe 41.

In this embodiment, the surface of the reinforcing member 43 facing the threaded pipe 41 is connected to the threaded pipe 41 by welding. By connecting the forcing member with the threaded pipe 41, the strength of the threaded pipe 41 is further improved, and the service life of the threaded pipe 41 is effectively improved.

In order to improve the connection stability between the reinforcing member 43 and the front side member 2 and the connecting plate 42, the reinforcing member 43 includes a first flange 44 for connecting with the front side member 2 and a second flange 45 for connecting with the connecting plate 42.

By providing the first turned-up edge 44 and the second turned-up edge 45, the contact area between the reinforcing member 43 and the front side member 2 and the contact area between the reinforcing member 43 and the connecting plate 42 are increased, and the reliability of connection between the reinforcing member 43 and the front side member 2 and the connecting plate 42 is improved.

Fig. 3 is a schematic view illustrating the connection between the front side member 2 and the connecting member 4 according to the embodiment of the present disclosure, and fig. 4 is a sectional view taken along line a-a in fig. 3. As shown in fig. 3 to 4, in some embodiments, the front longitudinal beam 2 includes a first side plate 21 and a second side plate 22 which are disposed opposite to each other, and a plane of the first side plate 21 and a plane of the second side plate 22 are both parallel to a direction in which the upper edge beam 1 points to the connecting plate 42.

In some embodiments, the connecting assembly 4 further includes a first bracket 46, an end of the first bracket 46 is connected to the first side plate 21, and an end of the first bracket 46 away from the front side member 2 is connected to the connecting plate 42 to form a first energy absorbing chamber 47.

That is to say, first energy-absorbing chamber 47 is formed between first support 46 and reinforcing component 43, and when carrying out the power transmission between sub vehicle frame and front longitudinal frame 2, the power can be realized transmitting through reinforcing component 43 and first support 46 two routes, has improved the efficiency of power transmission, and first energy-absorbing chamber 47 can absorb some effort simultaneously to in the power transmission process, reduce the effort size that the atress part received. For example, the auxiliary frame transmits acting force to the front longitudinal beam 2 through the connecting assembly 4 to realize force dispersion, the front longitudinal beam 2 acts on a stress component, and in the force transmission process, the first energy absorption cavity 47 can absorb partial acting force, so that the magnitude of the acting force borne by the front longitudinal beam 2 is reduced, the front longitudinal beam 2 is prevented from being damaged, the value of external force borne by a vehicle body is improved, and the rigidity of the vehicle body is improved.

In some embodiments, the connection assembly 4 further includes a second bracket 48, wherein an end of the second bracket 48 is connected to the second side panel 22, and an end of the second bracket 48 remote from the front side rail 2 is connected to the attachment panel 42 to form a second energy-absorbing chamber 49.

That is to say, a second energy-absorbing chamber 49 is formed between the second bracket 48 and the reinforcing member 43, when force is transmitted between the subframe and the front side member 2, the force can be transmitted through two paths of the reinforcing member 43 and the second bracket 48, so that the force transmission efficiency is improved, and meanwhile, the second energy-absorbing chamber 49 can absorb part of acting force, so that the acting force applied to the stressed member is reduced in the force transmission process. For example, the auxiliary frame transmits acting force to the front longitudinal beam 2 through the connecting assembly 4 to realize force dispersion, the front longitudinal beam 2 acts on a stress component, and in the force transmission process, the second energy-absorbing chamber 49 can absorb partial acting force, so that the magnitude of the acting force borne by the front longitudinal beam 2 is reduced, the front longitudinal beam 2 is prevented from being damaged, the value of external force borne by a vehicle body is improved, and the rigidity of the vehicle body is improved.

One of the first bracket 46 and the second bracket 48 may be provided in the connecting assembly 4, or both the first bracket 46 and the second bracket 48 may be provided. When the first bracket 46 and the second bracket 48 are arranged at the same time, the connecting assembly 4 comprises two energy-absorbing chambers, namely a first energy-absorbing chamber 47 and a second energy-absorbing chamber 49, and when force is transmitted between the front longitudinal beam 2 and the auxiliary frame, the two energy-absorbing chambers can absorb partial force so as to further reduce the acting force applied to the stressed component, improve the value of external force which can be borne by the vehicle body and further improve the rigidity of the vehicle body.

Fig. 5 is a schematic structural view of a vehicle body according to an embodiment of the present disclosure, and fig. 6 is a schematic structural view of a support member 5 according to an embodiment of the present disclosure. As shown in fig. 5 to 6, the end portion of the roof side rail 1 is connected to the front side rail 2, and when the roof side rail 1 and the front side rail 2 are subjected to an acting force, acting forces in different acting directions are likely to be generated between the roof side rail 1 and the front side rail 2, so that a relative movement tendency is generated between the roof side rail 1 and the front side rail 2. In order to avoid the separation between the roof side rail 1 and the front longitudinal rail 2 under the action of the acting force in different directions, in some embodiments, a supporting component 5 is arranged at the connecting position of the roof side rail 1 and the front longitudinal rail 2, and two adjacent side edges of the supporting component 5 are respectively connected with the roof side rail 1 and the front longitudinal rail 2.

Because the effort of above-mentioned energy-absorbing box 3 transmission concentrates on roof beam 1 with the hookup location department of front longitudinal 2, for avoiding roof beam 1 atress uneven, lead to roof beam 1 and front longitudinal 2 be connected inefficacy, a side and the roof beam 1 of support component 5 are connected towards the surface of front longitudinal 2, and hookup location is close to the tip of roof beam 1, another side can be connected with the first curb plate 21 of front longitudinal 2, stability and reliability that the tip and the front longitudinal 2 of roof beam 1 are connected are in order to increase.

Specifically, the support member 5 has a triangular structure.

The supporting component 5 is of a triangular structure, and the bearable acting force at the connecting position of the roof side rail 1 and the front longitudinal beam 2 can be effectively increased by utilizing the characteristic that the triangle is not easy to deform, so that the connecting reliability of the roof side rail 1, the front longitudinal beam 2 and the auxiliary frame is improved, and the rigidity of the vehicle body is improved.

In some embodiments, the crash box 3 comprises a first support plate 31, the first support plate 31 being integrally formed with the support member 5.

The energy-absorbing box 3 is of a square structure and comprises a plurality of supporting plates, wherein the first supporting plate 31 is arranged between the upper side beam 1 and the front longitudinal beam 2 and connected with the adjacent supporting plates, in the embodiment, the first supporting plate 31 and the supporting component 5 are integrally formed, so that the relative position between the energy-absorbing box 3 and the supporting component 5 is conveniently limited, the problem that the upper side beam 1 is separated from the front longitudinal beam 2 due to uneven stress of the upper side beam 1 generated by the arrangement position of the energy-absorbing box 3 is effectively avoided, and the connection reliability of the upper side beam 1 and the front longitudinal beam 2 is improved.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A vehicle body, characterized by comprising:

a roof side rail (1);

a front side member (2);

the energy absorption box (3) is arranged between the upper edge beam (1) and the front longitudinal beam (2), and the upper edge beam (1) is connected with the front longitudinal beam (2) through the energy absorption box (3);

coupling assembling (4), coupling assembling (4) set up in front longitudinal beam (2) deviate from one side of crash box (3), be used for connecting front longitudinal beam (2) and sub vehicle frame, coupling assembling (4) with crash box (3) correspond the setting.

2. The vehicle body according to claim 1, characterized in that the connecting assembly (4) comprises a threaded pipe (41) and a connecting plate (42), the connecting assembly (4) is connected with the front side frame (2) through the threaded pipe (41), and the connecting plate (42) is arranged at one end of the threaded pipe (41) far away from the front side frame (2) and used for abutting against the auxiliary frame.

3. The vehicle body according to claim 2, characterized in that a reinforcing member (43) is sleeved on the outer side of the threaded pipe (41), one end of the reinforcing member (43) is connected with the front side frame (2), and the other end is connected with the connecting plate (42).

4. A body according to claim 3, characterized in that said reinforcing element (43) comprises a first flanging (44) for connection with said front longitudinal beam (2) and a second flanging (45) for connection with said connecting plate (42).

5. A vehicle body according to claim 4, characterized in that the front longitudinal beam (2) comprises a first side plate (21), the connecting assembly (4) further comprises a first bracket (46), one end of the first bracket (46) being connected to the first side plate (21), and one end of the first bracket (46) remote from the front longitudinal beam (2) being connected to the connecting plate (42) for forming a first energy-absorbing chamber (47).

6. The vehicle body according to claim 4 or 5, characterized in that the front side member (2) comprises a second side plate (22);

the connecting assembly (4) further comprises a second bracket (48), one end of the second bracket (48) is connected with the second side plate (22), and one end, far away from the front longitudinal beam (2), of the second bracket (48) is connected with the connecting plate (42) to form a second energy absorption chamber (49).

7. The vehicle body according to claim 1, characterized in that a support member (5) is provided at a connecting position of the roof side rail (1) and the front side rail (2), and two adjacent side edges of the support member (5) are respectively connected with the roof side rail (1) and the front side rail (2).

8. A body according to claim 7, characterized in that the support part (5) is of triangular construction.

9. A vehicle body according to claim 7, characterized in that the crash box (3) comprises a first support plate (31), the first support plate (31) being integrally formed with the support part (5).

10. A vehicle characterized by comprising a vehicle body according to any one of claims 1 to 9.