CN220315114U - Cross beam and vehicle - Google Patents

Abstract

The utility model belongs to the technical field of vehicle chassis protection, and provides a cross beam, which is used for installing a bottom guard board of a vehicle, wherein the bottom guard board is positioned below a vehicle floor and comprises the following components: the crossbeam includes first mounting structure and the second mounting structure who is connected with first mounting structure, and first mounting structure is connected with the backplate at the bottom, and second mounting structure is connected with the longeron of vehicle, and compared with prior art, this application is through the backplate at the bottom of independent crossbeam installation, has shortened the length of dimension chain and mounting point all concentrate on the crossbeam, can effectively solve the problem that the backplate in-process appears the inclined to one side hole and leads to unable installation at the bottom of the assembly; in addition, because the application is independent crossbeam, can reach the purpose that promotes dimensional accuracy through the structure of adjustment self.

Description

Cross beam and vehicle

Technical Field

The application belongs to the technical field of vehicle chassis protection, and particularly relates to a cross beam and a vehicle.

Background

For new energy vehicles, as the fuel tank is not arranged below the middle floor, the wind resistance of the vehicle can be increased due to the characteristic of unsmooth middle floor. To reduce the windage of the vehicle and protect the chassis of the vehicle, a bottom guard plate needs to be installed. The bottom shields are typically mounted to the subframe, battery frame, or body mounting bracket. Specifically, the mounting point of the end backplate of current motorcycle type distributes on three modules of automobile body, battery frame and sub vehicle frame, and the size chain length just disperses, and mounting point precision is poor, appears deviating the hole problem easily in the assembly process, brings the difficulty for the assembly. In addition, the mounting points of the bottom guard plate are dispersed on the vehicle body, the battery frame and the auxiliary frame, so that the dimensional accuracy of the vehicle body, the battery frame and the auxiliary frame is required to be ensured at the same time, and difficulty is brought to the improvement of the dimensional accuracy.

Disclosure of Invention

In view of the above, the present utility model aims to provide a cross beam, which aims to solve the technical problems that mounting points of a bottom guard plate of an existing vehicle type are distributed on three modules of a vehicle body, a battery frame and an auxiliary frame, the dimension is long and distributed, the mounting points are poor in precision, the problem of deviation holes easily occurs in the assembly process, the assembly is difficult, the dimension precision of the vehicle body, the battery frame and the auxiliary frame is required to be ensured at the same time, and the difficulty is brought to the improvement of the dimension precision.

The utility model provides a cross beam for mounting a bottom guard board of a vehicle, wherein the bottom guard board is positioned below a vehicle floor, and the cross beam comprises the following components: the crossbeam includes first mounting structure and with the second mounting structure that first mounting structure is connected, first mounting structure with the backplate is connected, the second mounting structure with the longeron of vehicle is connected.

Optionally, the first mounting structure includes girder and installing support, the girder with the second mounting structure is connected, the installing support with end backplate is connected, the installing support includes a plurality of long support, a plurality of well support and a plurality of short support, a portion long support connects the top side end of girder, another portion long support connects on the second mounting structure, a plurality of well support equidistance interval is connected one side of girder, a plurality of short support equidistance interval is connected the opposite side of girder, wherein, long support well support with the length of short support shortens in proper order.

Optionally, the installing support includes a plurality of long support, a plurality of well support and a plurality of short support, a part long support connects the topside of girder, another part long support connects on the second mounting structure, a plurality of well support equidistance interval is connected one side of girder, a plurality of short support equidistance interval is connected the opposite side of girder, wherein, long support the well support with the length of short support shortens in proper order.

Optionally, a plurality of long supports, a plurality of middle supports and a plurality of short supports connected to the main beam are staggered in the length direction of the main beam, and a plurality of long supports connected to the main beam and a plurality of long supports connected to the second mounting structure extend in two directions deviating from each other.

Optionally, a plurality of mounting holes are formed in the mounting support, and the mounting holes are used for forming bolt connection with the bottom guard plate.

Optionally, a plurality of positioning holes are formed in the main beam, and the positioning holes are used for pre-positioning when the mounting bracket is connected with the bottom guard plate.

Optionally, a plurality of electrophoresis holes are formed in the main beam, and the electrophoresis holes are used for electrophoresis liquid discharge.

Optionally, a limiting plate is arranged on the mounting bracket, a locating notch is formed by one edge of the limiting plate and the edge of the mounting bracket, a weight reducing notch is formed by the other edge of the limiting plate and the edge of the mounting bracket, the locating notch is used for locating the mounting bracket when being connected with the main beam, and the weight reducing notch is used for reducing the weight of the mounting bracket.

Optionally, the second mounting structure includes a mounting base, and the mounting base is respectively connected with the main beam and the longitudinal beam of the vehicle.

Optionally, two mutually adjacent surfaces on the mounting seat are respectively provided with a liquid discharging hole and a weight reducing hole.

The utility model also provides a vehicle, including the crossbeam of any one of the above-mentioned.

The utility model provides a cross beam, which is used for installing a bottom guard board of a vehicle, wherein the bottom guard board is positioned below the floor of the vehicle, and comprises the following components: the crossbeam includes first mounting structure and the second mounting structure who is connected with first mounting structure, and first mounting structure is connected with the backplate at the bottom, and second mounting structure is connected with the longeron of vehicle, and compared with prior art, this application is through the backplate at the bottom of independent crossbeam installation, has shortened the length of dimension chain and mounting point all concentrate on the crossbeam, can effectively solve the problem that the backplate in-process appears the inclined to one side hole and leads to unable installation at the bottom of the assembly; in addition, because the application is independent crossbeam, can reach the purpose that promotes dimensional accuracy through the structure of adjustment self.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of the cross beam of the present application;

FIG. 2 is a schematic structural view of the cross member and stringer connection of the present application;

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

FIG. 4 is a schematic view of the cross beam and bottom fender connection of the present application;

FIG. 5 is a schematic structural view of the mounting bracket of the present application;

fig. 6 is a schematic structural view of a second mounting structure of the present application.

Reference numerals illustrate: 1. a first mounting structure; 10. a main beam; 101. positioning holes; 102. electrophoresis holes; 11. a mounting bracket; 11a, long brackets; 11b, a middle bracket; 11c, short stents; 110. a mounting hole; 111. welding holes; 12. a limiting plate; 13. positioning the notch; 14. a weight reduction notch; 2. a second mounting structure; 21. a liquid discharge hole; 22. a lightening hole; 3. a bottom guard board; 4. and (5) a longitudinal beam.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

It should be further noted that terms such as left, right, upper, and lower in the embodiments of the present application are merely relative terms or references to normal use states of the product, and should not be construed as limiting.

Referring to fig. 1 to 4, the present utility model provides a cross member for mounting a floor panel 3 of a vehicle, the floor panel 3 being located under a floor of the vehicle, comprising: the cross beam comprises a first mounting structure 1 and a second mounting structure 2 connected with the first mounting structure 1, the first mounting structure 1 is connected with a bottom guard plate 3, and the second mounting structure 2 is connected with a longitudinal beam 4 of the vehicle.

Under the current vehicle industry environment, vehicle enterprises at home and abroad are developing new energy vehicles. In order to reduce development cost, refurbishment is generally performed on an original fuel vehicle. The tank machine of the fuel vehicle is basically designed in the middle-rear section of the chassis, i.e. below the rear seat. In the modified vehicle type, as the fuel tank is not arranged below the middle floor of the new energy vehicle, a part of positions are reserved at the position, so that the middle floor becomes unsmooth, and the wind resistance of the vehicle is increased. In order to reduce the wind resistance of the vehicle and protect the chassis of the vehicle, the bottom guard plate 3 needs to be installed. In the modified vehicle type, installation points are required to be changed and increased on the basis of original used parts, and the development range and development cost of related used parts are increased. The scheme is used as an independent brand new development and installation beam structure, the installation points of the beams are the installation points of the vehicle type, and the structure of the vehicle type does not need to be changed. In addition, the bottom guard plate 3 is installed through the independent cross beam, so that the length of a size chain is shortened, installation points are concentrated on the cross beam, and the problem that installation cannot be performed due to the fact that holes are deviated in the process of assembling the bottom guard plate 3 can be effectively solved; in addition, because the application is independent crossbeam, can reach the purpose that promotes dimensional accuracy through the structure of adjustment self.

Referring to fig. 1, in one possible embodiment, the first mounting structure 1 includes a main beam 10 and a mounting bracket 11, the main beam 10 is connected to the second mounting structure 2, and the mounting bracket 11 is connected to the bottom guard plate 3. Because the type and the quantity of the bottom guard plates 3 are different, the relative positions of the mounting brackets 11 can be adjusted by changing the quantity of the mounting brackets 11, adjusting the size of the mounting brackets 11 and adjusting the relative positions of the mounting brackets 11 in the welding process, so that the cross beam provided by the application can be more conveniently used for the arrangement of the bottom guard plates 3 of different vehicle types, the adjusting space is large, the number of the applicable vehicle types is large, the universality is high, and the positioning accuracy of the mounting brackets 11 is high, so that the supporting effect is good.

Referring to fig. 1, in particular, in the present embodiment, the mounting bracket 11 includes a plurality of long brackets 11a, a plurality of middle brackets 11b, and a plurality of short brackets 11c, a portion of the long brackets 11a is connected to the top side end of the girder 10, another portion of the long brackets 11a is connected to the second mounting structure 2, the plurality of middle brackets 11b are equidistantly spaced apart from one side of the girder 10, and the plurality of short brackets 11c are equidistantly spaced apart from the other side of the girder 10, wherein the lengths of the long brackets 11a, the middle brackets 11b, and the short brackets 11c are sequentially shortened. In the application, the long support 11a, the middle support 11b and the short support 11c all adopt generalized designs, so that the types of parts are reduced, the problem of miswelding in the production process is greatly reduced, the weight and the cost of the parts are reduced, and the production and logistics cost in the production and transportation processes is reduced. Moreover, through the three types of mounting brackets 11, the mounting brackets can be selected according to the specific shape of the bottom guard plate 3, so that the problem of insufficient supporting force for the bottom guard plate 3 caused by adopting the same type of mounting brackets 11 is avoided.

More preferably, the plurality of long brackets 11a, the plurality of middle brackets 11b and the plurality of short brackets 11c connected to the main beam 10 are staggered in the length direction of the main beam 10, and the plurality of long brackets 11a connected to the main beam 10 and the plurality of long brackets 11a connected to the second mounting structure 2 extend in two directions away from each other. Specifically, the number of long brackets 11a is 4, the number of middle brackets 11b is 3, and the number of short brackets 11c is 4, which are well adapted to the shape of the bottom guard plate 3 in the present embodiment, providing sufficient supporting force. The mounting bracket 11 in other embodiments may be set according to actual conditions.

Referring to fig. 1, in one possible embodiment, the mounting bracket 11 is provided with a plurality of mounting holes 110, and the mounting holes 110 are used to form a bolt connection with the bottom guard 3. The mounting holes 110 in the present application provide mounting requirements for the bottom guard plate 3, and are fastened by mounting bolts; the mounting point integration of backplate 3 is on an assembly, can guarantee the precision of mounting point, and promotes the mounting point precision through the adjustment of mounting hole 110 size and the relative position adjustment of mounting hole 110 in the production process.

Referring to fig. 5, in addition, the mounting bracket 11 is further provided with a welding hole 111, and the welding hole 111 is used for positioning when the mounting bracket 11 is welded with the main beam 10, so as to ensure welding accuracy.

Referring to fig. 1, in one possible embodiment, the main beam 10 is provided with a plurality of positioning holes 101, and the positioning holes 101 are used for pre-positioning when the mounting bracket 11 is connected with the bottom guard plate 3. For the assembly of backplate 3 at the bottom of ordinary, owing to this application has set up locating hole 101, only needs 1 people to accomplish the installation when the assembly, and predetermined effect is obvious, and assembly process is simple, has reduced the assembly degree of difficulty, has reduced assembly time, has improved installation accuracy and production efficiency to reduction in production cost has promoted whole car market competition.

Referring to fig. 1, in one possible embodiment, the girder 10 is provided with a plurality of electrophoresis holes 102, and the electrophoresis holes 102 are used for electrophoresis drainage. In the electrophoretic coating process, aperturing is the most commonly used optimization measure. Before the next process is carried out after the coating process of the girder 10 is finished, the liquid on the surface of the girder 10 flows out along the electrophoresis holes 102, so that the surface of the girder 10 cannot remain with the liquid, and the girder 10 cannot carry the liquid of the electrophoresis process to enter the next production process.

Referring to fig. 5, in one possible embodiment, the mounting bracket 11 is provided with a limiting plate 12, one edge of the limiting plate 12 forms a positioning notch 13 with the edge of the mounting bracket 11, the other edge of the limiting plate 12 forms a weight-reducing notch 14 with the edge of the mounting bracket 11, the positioning notch 13 is used for positioning when the mounting bracket 11 is connected with the main beam 10, and the weight-reducing notch 14 is used for reducing the weight of the mounting bracket 11. In this application, girder 10 is prismatic structure, and the locating notch 13 and two face looks adaptations of girder 10, and locating notch 13 can be used for the location when the welding, and locating notch 13 can improve the steadiness of installing support 11 after the welding is accomplished, prevents to take place the skew. The provision of the weight reduction notch 14 can reduce the loss of the production material of the mounting bracket 11, further reduce the cost, and also can lighten the entire mounting bracket 11.

Referring to fig. 2, in one possible embodiment, the second mounting structure 2 comprises mounting seats connecting the main girder 10 and the longitudinal girder 4 of the vehicle, respectively. The longitudinal beams 4 include left and right longitudinal beams, and correspondingly, the mounting seats are also provided with left and right longitudinal beams which are respectively arranged at two ends of the main beam 10. In this embodiment, 3 mounting points are offered to a mount pad, install on the longeron 4 through the bolt, and the mounting point on the longeron 4 is the original mounting point of following the motorcycle type, does not change to the automobile body follow piece, reduces development cost.

Referring to fig. 6, it is preferable that the two surfaces adjacent to each other on the mounting base are respectively provided with a drain hole 21 and a lightening hole 22. Thus, the drain hole 21 can drain the liquid flowing into the vehicle body, and the weight of the mount itself can be reduced. The more preferable technical scheme is as follows: the shape of the drain hole 21 is circular, square, or rectangular, and the shape of the drain hole 21 can be set according to practical situations. More preferably, the drain hole 21 is rectangular, and the coating liquid leakage is better. The lightening holes 22 then further reduce the weight of the mounting seat itself.

A vehicle comprises the cross beam. The vehicle adopts an independent mounting cross beam to mount the bottom guard plate 3, so that the mounting accuracy of the cross beam is high, and the size is easy to control; the cross beam and the bottom guard plate 3 are connected in a simple connection mode, the size is easy to control, and the size problem in the later period is easy to adjust; the development process does not involve other parts, the development scope is small, and the development cost is low; the mounting bracket 11 has high universalization rate, reduces the development cost of the die and effectively prevents errors in the welding process.

The foregoing description of the preferred embodiment of the present utility model is provided for the purpose of illustration only, and is not intended to limit the utility model to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims (10)

1. A cross beam for mounting a floor panel (3) of a vehicle, the floor panel (3) being located below a floor of the vehicle, comprising: the crossbeam comprises a first mounting structure (1) and a second mounting structure (2) connected with the first mounting structure (1), wherein the first mounting structure (1) is connected with the bottom guard board (3), and the second mounting structure (2) is connected with a longitudinal beam (4) of the vehicle.

2. The cross beam according to claim 1, wherein the first mounting structure (1) comprises a main beam (10) and a mounting bracket (11), the main beam (10) is connected with the second mounting structure (2), the mounting bracket (11) is connected with the bottom guard plate (3), the mounting bracket (11) comprises a plurality of long brackets (11 a), a plurality of middle brackets (11 b) and a plurality of short brackets (11 c), a part of the long brackets (11 a) is connected at the top side end of the main beam (10), another part of the long brackets (11 a) is connected with the second mounting structure (2), a plurality of middle brackets (11 b) are connected at one side of the main beam (10) at equal intervals, a plurality of short brackets (11 c) are connected at the other side of the main beam (10) at equal intervals, and the lengths of the long brackets (11 a), the middle brackets (11 b) and the short brackets (11 c) are sequentially shortened.

3. The crossmember according to claim 2, wherein a plurality of long brackets (11 a), a plurality of intermediate brackets (11 b) and a plurality of short brackets (11 c) connected to the main beam (10) are staggered in the longitudinal direction of the main beam (10), and a plurality of long brackets (11 a) connected to the main beam (10) and a plurality of long brackets (11 a) connected to the second mounting structure (2) extend in two directions away from each other.

4. The cross beam according to claim 2, characterized in that the mounting bracket (11) is provided with a plurality of mounting holes (110), and the mounting holes (110) are used for forming bolt connection with the bottom guard plate (3).

5. The cross beam according to claim 2, wherein the main beam (10) is provided with a plurality of positioning holes (101), and the positioning holes (101) are used for pre-positioning when the mounting bracket (11) is connected with the bottom guard plate (3).

6. The crossbeam according to claim 2, wherein a plurality of electrophoresis holes (102) are formed in the main beam (10), and the electrophoresis holes (102) are used for electrophoresis liquid discharge.

7. The cross beam according to claim 2, wherein a limiting plate (12) is arranged on the mounting bracket (11), a positioning notch (13) is formed by one edge of the limiting plate (12) and the edge of the mounting bracket (11), a weight-reducing notch (14) is formed by the other edge of the limiting plate (12) and the edge of the mounting bracket (11), the positioning notch (13) is used for positioning when the mounting bracket (11) is connected with the main beam (10), and the weight-reducing notch (14) is used for reducing the weight of the mounting bracket (11).

8. The cross beam according to claim 2, wherein the second mounting structure (2) comprises mounting seats connecting the main beam (10) and the longitudinal beam (4) of the vehicle, respectively.

9. The cross beam of claim 8, wherein the two mutually adjoining faces of the mounting base are provided with a drain hole (21) and a lightening hole (22), respectively.

10. A vehicle comprising a cross beam according to any one of claims 1-9.