CN218229152U - Cabin additional strengthening and vehicle of vehicle - Google Patents

Abstract

The utility model discloses a cabin additional strengthening and vehicle of vehicle, wherein, the cabin additional strengthening of vehicle includes cabin longeron and the front wheel casing boundary beam that extends along automobile body length direction, the cabin longeron with the rear end of front wheel casing boundary beam is connected through preceding stiffening beam down, the cabin longeron with the middle part of front wheel casing boundary beam is connected through preceding shock attenuation tower, the outside along automobile body width direction of cabin longeron is provided with first connecting plate, the cabin longeron with the front end of front wheel casing boundary beam passes through first connecting plate is connected to form first annular structure, simultaneously, the top of first connecting plate still is provided with the second connecting plate, the cabin longeron the front wheel casing boundary beam first connecting plate with second connecting plate encloses to form many annular additional strengthening, promoted the structural strength and the rigidity of front deck, reinforce front deck structural stability, reduce the deformation, optimized the rationality of arranging.

Description

Cabin additional strengthening and vehicle of vehicle

Technical Field

The disclosure relates to the technical field of automobile bodies, in particular to an engine room reinforcing structure of a vehicle and the vehicle.

Background

In recent years, the requirement on the performance of the automobile NVH is higher and higher, so that the investigation standard of the automobile NVH is continuously improved in the early stage of the development of the whole automobile. The suspension point and the front shock absorption tower seat point of the automobile power assembly are important path investigation points of the entire automobile NVH, and are arranged on the front engine room assembly, so the NVH performance of the front engine room assembly is very important. Meanwhile, the front cabin is used as a main structure of a vehicle body in front collision, and has the functions of fully absorbing collision energy, effectively dispersing and transmitting collision force through reasonable deformation, so that the purpose of protecting a passenger cabin is achieved. In addition, the front nacelle must have sufficient bending stiffness, good NVH (Noise, vibration, harshness) performance.

At present, a common front cabin frame structure comprises a front anti-collision beam, a left front longitudinal beam, a right front longitudinal beam, a front wall reinforcing structure, an A column and the like, the structure has the problems of single, insufficient and continuous transmission path, and a reasonable transverse connecting structure is lacked between longitudinal beam structures. When the automobile body is in frontal collision, the front engine room cannot effectively absorb and disperse collision energy, so that the problems of overlarge invasion of the front wall plate, overlarge deformation of the floor and the middle channel and the like are caused, and therefore, passengers in the passenger room are greatly injured, and the collision safety of the whole automobile is affected. On the other hand, due to the fact that the structure is lack of a reasonable coherent structure, bending rigidity of the vehicle body is not good enough, and improvement of NVH performance of the whole vehicle is not facilitated.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present disclosure is directed to a cabin reinforcing structure of a vehicle and a vehicle, so as to solve the technical problem of insufficient structural strength in the prior art.

In a first aspect, the disclosed embodiment provides a vehicle body structure comprising a cabin longitudinal beam and a front wheel cover side beam extending along a vehicle body length direction, wherein rear ends of the cabin longitudinal beam and the front wheel cover side beam are connected through a front dash lower stiffening beam, middle parts of the cabin longitudinal beam and the front wheel cover side beam are connected through a front shock absorber, a first connecting plate is arranged on the outer side of the cabin longitudinal beam in a vehicle body width direction, front ends of the cabin longitudinal beam and the front wheel cover side beam are connected through the first connecting plate, so that a first annular structure is formed by the cabin longitudinal beam, the front wheel cover side beam, the front dash lower stiffening beam and the first connecting plate, a second connecting plate is further arranged above the first connecting plate, one end of the second connecting plate is fixedly connected with the front end of the cabin longitudinal beam, and the other end of the second connecting plate is fixedly connected with the front wheel cover side beam; the nacelle stringer, the front wheel house side rail, the first connecting plate, and the second connecting plate enclose a second ring-shaped structure.

In one exemplary embodiment, one end of the front wheel house side member extends in a curved manner in the vehicle body length direction toward the front end of the vehicle, and is connected to the top end of the first connecting plate.

In an exemplary embodiment, the second connecting plate is arc-shaped, and one end connected with the nacelle longitudinal beam extends upwards along the length direction of the nacelle longitudinal beam, then gradually extends obliquely upwards, and is finally connected with the wheel house boundary beam.

In an exemplary embodiment, the second connecting plate includes a first connecting portion, a second connecting portion and a connecting plate body connecting the first connecting portion and the second connecting portion, and the connecting plate body is fixed with a mounting bracket.

In an exemplary embodiment, the mounting bracket comprises a left side plate, a right side plate and a top plate connected with the left side plate, a left flange connected with the bottom of the left side plate is arranged at the bottom of the left side plate, a right flange connected with the bottom of the right side plate is arranged at the bottom of the right side plate, and a headlamp mounting nut is fixed on the left side plate.

In an exemplary embodiment, the first connecting plate is a hollow cavity structure, and one end of the hollow cavity structure is connected with the side face of the cabin longitudinal beam.

In an exemplary embodiment, a third connecting plate is further arranged between the second connecting plate and the front shock absorption tower, two ends of the third connecting plate are respectively connected with the cabin longitudinal beam and the front wheel cover side beam, and the second connecting plate is arranged between the first connecting plate and the third connecting plate.

In an exemplary embodiment, a reinforcing block is further arranged at the joint of the nacelle longitudinal beam and the first connecting plate, and the reinforcing block is fixedly connected with the nacelle longitudinal beam and the first connecting plate respectively.

In a second aspect, an embodiment of the present disclosure provides a vehicle including the cabin reinforcing structure according to any one of the above aspects.

The front end of the cabin longitudinal beam and the front wheel cover side beam are connected through the first connecting plate, so that a first annular structure is formed by the cabin longitudinal beam, the front wheel cover side beam, the front coaming lower reinforcing beam and the first connecting plate, meanwhile, a second connecting plate is arranged above the first connecting plate, one end of the second connecting plate is fixedly connected with the front end of the cabin longitudinal beam, and the other end of the second connecting plate is fixedly connected with the front wheel cover side beam; make the cabin longeron front wheel house boundary beam first connecting plate with the second connecting plate encloses to form the second annular structure, through many annular additional strengthening, has promoted the overall structure intensity and the rigidity in front deck, has reinforceed front deck structural stability, reduces and warp, has optimized the rationality of arranging.

In order to make the aforementioned objects, features and advantages of the present disclosure more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having letter suffixes or different letter suffixes may represent different instances of similar components. The drawings illustrate various embodiments generally by way of example and not by way of limitation, and together with the description and claims serve to explain the disclosed embodiments. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative, and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method. The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the disclosure and together with the description serve to explain the disclosure and not to limit the disclosure. In the drawings:

FIG. 1 is a schematic structural view of a nacelle stiffening structure provided by the present disclosure;

FIG. 2 is a schematic structural view of a second connection plate provided by the present disclosure;

fig. 3 is a schematic structural view of a mounting bracket provided by the present disclosure.

Wherein the figures include the following reference numerals:

1-a nacelle stringer; 2-front wheel casing edge beam; 3-a first connection plate; 4, a front coaming lower reinforcing beam; 5-a front shock tower; 6-a second connecting plate; 61-connecting plate body; 62-a first connection; 621-a first threaded hole; 63-a second connecting portion; 631-a second threaded hole; 64-lightening holes; 7-a third connection plate; 8, mounting a bracket; 81-left side plate; 82-right side plate; 83-a top plate; 84-left flanging; 85-right flanging; 86-headlamp mounting nut; 87-headlight alignment hole.

Detailed Description

Specific embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings, but the present disclosure is not limited thereto.

It will be understood that various modifications may be made to the embodiments disclosed herein. Accordingly, the foregoing description should not be construed as limiting, but merely as exemplifications of embodiments. Other modifications will occur to those skilled in the art within the scope and spirit of the disclosure.

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the disclosure and, together with a general description of the disclosure given above, and the detailed description of the embodiments given below, serve to explain the principles of the disclosure.

These and other characteristics of the present disclosure will become apparent from the following description of preferred forms of embodiment, given as a non-limiting example, with reference to the attached drawings.

It should also be understood that, although the present disclosure has been described with reference to some specific examples, a person of skill in the art shall certainly be able to achieve many other equivalent forms of the disclosure, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.

The above and other aspects, features and advantages of the present disclosure will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.

Specific embodiments of the present disclosure are described hereinafter with reference to the accompanying drawings; however, it is to be understood that the disclosed embodiments are merely examples of the disclosure that may be embodied in various forms. Well-known and/or repeated functions and constructions are not described in detail to avoid obscuring the disclosure in unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present disclosure in virtually any appropriately detailed structure.

It should be noted that the terms "first," "second," and the like in the description and claims of the present disclosure and in the foregoing drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the disclosure described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The specification may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may each refer to one or more of the same or different embodiments in accordance with the disclosure.

The present disclosure is further described with reference to the following figures and specific examples.

Example 1

A first aspect of the present disclosure provides a cabin reinforcing structure for a vehicle, in which a cabin of the vehicle is mainly used to house core components such as an engine and a radiator of the vehicle, and the cabin is responsible for absorbing collision energy and dispersing and transmitting collision force as a main structure when a vehicle body is subjected to a frontal collision.

The purpose of the disclosed embodiment is to provide a reinforcing structure of a vehicle cabin, which improves the structural strength and rigidity of the cabin and meets the safety requirement in the vehicle operation process. The cabin reinforcing structure for a vehicle according to an embodiment of the present invention will be described in detail below with reference to fig. 1 to 3.

Fig. 1 is a schematic structural view of a cabin reinforcing structure of a vehicle provided by an embodiment of the present disclosure, and as shown in the figure, the cabin reinforcing structure of the vehicle includes a cabin longitudinal beam 1 and a front wheel house side beam 2 extending in a vehicle body direction, front ends of the cabin longitudinal beam 1 and the front wheel house side beam 2 are connected through a first connecting plate 3, and rear ends are connected through a front dash lower reinforcing beam 4, so as to form a quadrangular closed cavity, which constitutes a basic skeleton of a cabin; the middle parts of the cabin longitudinal beam 1 and the front wheel house boundary beam 2 are connected by a front shock absorption tower 5, so that a first annular structure formed by the cabin longitudinal beam 1, the front wheel house boundary beam 2, the front wall lower stiffening beam 4 and the first connecting plate 3 is formed, a second connecting plate 6 is further arranged above the first connecting plate 3, one end of the second connecting plate 6 is fixedly connected with the front end of the cabin longitudinal beam 1, and the other end of the second connecting plate 6 is fixedly connected with the front wheel house boundary beam 2; the nacelle longitudinal beam 1, the front wheel house edge beam 2, the first connecting plate 3 and the second connecting plate 6 are formed around a second annular structure, thereby forming a multi-annular reinforcing structure.

Further, one end of the front wheel house boundary beam 2 extends towards the front end of the vehicle along the length direction of the vehicle body in a bending mode, and is finally connected with the top end of the first connecting plate 3, and in the extending process of the extending in the bending mode, the front wheel house boundary beam 2 is fixedly connected with the second connecting plate 6. The first connecting plate 3 is a hollow cavity structure, and one end of the first connecting plate is connected with the side face of the cabin longitudinal beam 1. In order to improve the stability of the connection between the first connecting plate 3 and the nacelle stringer 1, a reinforcing block may be further provided at the connection between the nacelle stringer 1 and the first connecting plate 3, and the reinforcing block is fixedly connected to the nacelle stringer 1 and the first connecting plate 3, respectively.

Fig. 2 shows a schematic structural diagram of a second connecting plate of a vehicle provided in an embodiment of the present disclosure, as shown in the figure, the second connecting plate 6 includes a connecting plate body 61, a first connecting portion 62 and a second connecting portion 63 located at two ends of the connecting plate body 61, and an arc transition is adopted between the first connecting portion 62 and the connecting plate body 61, the second connecting portion 63, and the connecting plate body 61. For example, the second connecting plate 6 may be arc-shaped, and one end connected to the nacelle side member 1 extends upward along the length direction of the nacelle side member 1, and gradually extends obliquely upward to be connected to the wheel house side member 2. Through the second connecting plate 6 that the arc set up, more be favorable to just bumping the conduction of power, improve the security performance of vehicle.

In some embodiments, the connecting plate body 61 is further provided with lightening holes 64, and the number and shape of the lightening holes 64 can be selected according to needs.

In order to facilitate installation and maintenance, the first connecting portion 62 with be provided with first screw hole 621 and second screw hole 631 that are used for the bolt to pass through on the second connecting portion 63 respectively, the bolt passes respectively first screw hole 621 and second screw hole 631 with cabin longeron 1 with front wheel casing boundary beam 2 fixed connection connects through the bolt, when the dismouting maintenance of being convenient for the installed part can be along using on with the platform motorcycle type, has reduced the maintenance and the use cost of vehicle. The cross section of the connecting plate body 61 is U-shaped or C-shaped, and is made of materials with high strength, such as cast iron, aluminum and the like, so that the structural strength is further improved, and the second connecting plate 6 is preferably an integral structural member, so that the number of parts is reduced.

In some embodiments, a mounting bracket 8 is fixed on the connecting plate body 61, and fig. 3 shows a schematic structural view of the mounting bracket provided in the embodiments of the present disclosure, as shown in the drawings, the mounting bracket 8 has a left side plate 81 and a right side plate 82, and a top plate 83 connected to the left side plate 81, and the left side plate 81, the right side plate 82 and the top plate 83 enclose a gate structure with a narrow top and a wide bottom to form a containing chamber of the headlamp. The bottom of the left side plate 81 and the right side plate 82 is provided with a left turned edge 84 and a right turned edge 85 which are connected with the left side plate 81 and the right side plate, and the mounting bracket 8 is welded on the connecting plate body 61 through the left turned edge 84 and the right turned edge 85. The left side plate 81, the right side plate 82 and the top plate 83 are all provided with flanging structures which are bent downwards, and the self rigidity of the mounting bracket can be improved by arranging the flanging structures.

A headlamp mounting nut 86 is fixed to the left side plate 81 above sea, and the headlamp mounting nut 86 can provide a mounting point for a headlamp. The top plate 83 is provided with a headlamp positioning hole 87, so that a headlamp can be conveniently positioned during installation, and the convenience of assembly is improved.

In some embodiments, a third connecting plate 7 is further provided between the second connecting plate 6 and the front shock-absorbing tower 5, two ends of the third connecting plate 7 are respectively connected to the middle portions of the nacelle longitudinal beam 1 and the front wheel house side beam 2, and the nacelle longitudinal beam 1 and the front wheel house side beam 2 are fixed to the first connecting plate 3, the front dash lower reinforcing beam 4, the front shock-absorbing tower 5 and the third connecting plate 7 by welding, preferably by welding in a two-dimensional welding manner. The secondary welding process is suitable for welding various large steel structure engineering of low-carbon steel and low-alloy high-strength steel, has high welding productivity, good crack resistance, small welding deformation and large adaptive deformation range, meets the process requirements of the engine room structure, and can reduce the production cost.

As can be seen from the above, in the nacelle reinforcing structure provided in the present embodiment, the first connecting plate is provided on the outer side of the nacelle side member in the vehicle width direction, and the front ends of the nacelle side member and the front wheel house side member are connected by the first connecting plate, so that a first annular structure is formed by the nacelle side member, the front wheel house side member, the front cowl lower reinforcing member, and the first connecting plate, and the second connecting plate is further provided above the first connecting plate, and one end of the second connecting plate is fixedly connected to the front end of the nacelle side member and the other end of the second connecting plate is fixedly connected to the front wheel house side member; make the cabin longeron front wheel house boundary beam first connecting plate with the second connecting plate encloses to form the second annular structure, through many annular additional strengthening, has promoted the overall structure intensity and the rigidity in front deck, has reinforceed front deck structural stability, reduces and warp, has optimized the rationality of arranging.

Example 2

The second aspect of the present disclosure also provides a vehicle, the vehicle includes the cabin reinforcing structure in the above embodiments, it should be noted that the present invention does not limit any specific type of the vehicle, the vehicle may be a car, a commercial vehicle, a passenger car, a truck, a fuel vehicle, an electric vehicle, or a hybrid electric vehicle, which are not limited, and the technician may set the vehicle according to actual use conditions.

The embodiment of the utility model provides a beneficial effect of vehicle with the cabin additional strengthening's of vehicle beneficial effect is the same, no longer gives unnecessary details here.

For ease of description, spatially relative terms such as "over … …", "over … …", "over … …", "over", etc. may be used herein to describe the spatial positional relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be oriented 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.

In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A cabin reinforcing structure of a vehicle, comprising a cabin longitudinal beam and a front wheel house boundary beam extending in a vehicle body length direction, wherein rear ends of the cabin longitudinal beam and the front wheel house boundary beam are connected through a front cowl side sill, middle parts of the cabin longitudinal beam and the front wheel house boundary beam are connected through a front shock absorber, a first connecting plate is arranged on an outer side of the cabin longitudinal beam in a vehicle body width direction, front ends of the cabin longitudinal beam and the front wheel house boundary beam are connected through the first connecting plate, so that a first annular structure formed by the cabin longitudinal beam, the front wheel house boundary beam, the front cowl side sill and the first connecting plate is formed, and the cabin reinforcing structure is characterized in that a second connecting plate is further arranged above the first connecting plate, one end of the second connecting plate is fixedly connected with the front end of the cabin longitudinal beam, and the other end of the second connecting plate is fixedly connected with the front wheel house boundary beam; the nacelle stringer, the front wheel house side rail, the first connecting plate, and the second connecting plate enclose a second ring-shaped structure.

2. The cabin reinforcing structure of a vehicle according to claim 1, wherein one end of the front wheel house side member extends in a curved manner in a vehicle body length direction toward a front end of the vehicle and is connected to a tip end of the first connecting plate.

3. The cabin reinforcing structure of a vehicle according to claim 1, wherein the second connecting plate has an arc shape, and an end connected to the cabin side member extends upward along a length direction of the cabin side member, gradually extends obliquely upward, and is finally connected to the wheel house side member.

4. The cabin reinforcing structure of a vehicle according to claim 1, wherein the second connecting plate includes a first connecting portion, a second connecting portion, and a connecting plate body connecting the first connecting portion and the second connecting portion at both ends thereof, and a mounting bracket is fixed to the connecting plate body.

5. The cabin strengthening structure of a vehicle of claim 4, wherein the mounting bracket comprises a left side plate, a right side plate and a top plate connected with the left side plate, a left flange connected with the bottom of the left side plate is arranged at the bottom of the left side plate, a right flange connected with the bottom of the right side plate is arranged at the bottom of the right side plate, and a headlamp mounting nut is fixed on the left side plate.

6. The cabin reinforcing structure of claim 5, wherein the first connecting plate is a hollow cavity structure, and one end of the hollow cavity structure is connected to a side surface of the cabin side member.

7. The cabin reinforcing structure of a vehicle according to claim 1, further comprising a third connecting plate between the second connecting plate and the front shock tower, the third connecting plate being connected at both ends to the cabin longitudinal beam and the front wheel house side beam, respectively, and the second connecting plate being disposed between the first connecting plate and the third connecting plate.

8. The cabin reinforcing structure of a vehicle according to claim 1, wherein a reinforcing block is further provided at a junction of the cabin side member and the first connecting plate, and the reinforcing block is fixedly connected to the cabin side member and the first connecting plate, respectively.

9. A vehicle, characterized by comprising a cabin stiffening structure according to any one of claims 1 to 8.

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