CN219728340U - Front cabin of vehicle and vehicle - Google Patents

Abstract

The utility model provides a front cabin of a vehicle and the vehicle. The front cabin of the vehicle comprises a front coaming, a front windshield cross beam connected to the upper portion of the front coaming, a left column A and a right column A which are respectively connected to two ends of the front windshield cross beam, and a front wall bearing frame. The front wall load-carrying frame comprises: a dash cross member and two dash longitudinal members. The front wall plate cross beam is arranged on the lower side of the front wall plate, one end of the front wall plate cross beam is connected with the lower part of the left A column, and the other end of the front wall plate cross beam is connected with the lower part of the right A column; the two front surrounding plate longitudinal beams are arranged on the side surface of the front surrounding plate, which is opposite to the passenger cabin, at intervals; one end of the front coaming longitudinal beam is connected with the front windshield cross beam, and the other end of the front coaming longitudinal beam is connected with the front coaming cross beam. The utility model can solve the problem that the noise in the cab is overlarge due to poor rigidity of the area of the front coaming of the front cabin of the existing vehicle.

Description

Front cabin of vehicle and vehicle

Technical Field

The utility model relates to the technical field of vehicle bodies, in particular to a front cabin of a vehicle and the vehicle.

Background

The front cabin of the vehicle is used for bearing parts such as an engine and is an important bearing area of the whole vehicle.

At present, a front engine room of a vehicle is composed of main body components such as a left front wheel cover assembly, a right front wheel cover assembly, a left front longitudinal beam assembly, a right front longitudinal beam assembly, a front coaming and the like, wherein the rigidity of the area where the front coaming is located is poor, and excitation sources such as external acoustic noise and the like are easily transmitted to the inside of a cab through the front coaming, so that the noise in the cab is overlarge.

Disclosure of Invention

The utility model provides a vehicle front cabin and a vehicle, which can solve the problem that the noise in a cab is overlarge due to poor rigidity of a region where a front coaming of the existing vehicle front cabin is located.

In a first aspect, the present utility model provides a vehicle front cabin, including a dash panel, a front windshield cross member connected to an upper portion of the dash panel, a left a pillar and a right a pillar connected to both ends of the front windshield cross member, respectively, and a front load-carrying frame, the front load-carrying frame including:

the front wall plate cross beam is arranged on the lower side of the front wall plate, one end of the front wall plate cross beam is connected with the lower part of the left A column, and the other end of the front wall plate cross beam is connected with the lower part of the right A column;

the two front surrounding plate longitudinal beams are arranged on the side surface of the front surrounding plate, which is opposite to the passenger cabin, at intervals; one end of the front coaming longitudinal beam is connected with the front windshield cross beam, and the other end of the front coaming longitudinal beam is connected with the front coaming cross beam.

In the technical scheme, the front wall bearing frame comprises a front wall main body bearing framework of each bearing structure in the left, middle and right, a front windshield crossbeam, a left column A and a right column A, and the framework can be effectively connected with the column A to effectively strengthen the area of the front wall, so that the rigidity of the area of the front wall of the front cabin of the vehicle is improved. Therefore, the problem that the noise in the cab is overlarge due to poor rigidity of the area where the front coaming of the front cabin of the existing vehicle is located can be solved through the scheme.

With reference to the first aspect, in some possible implementations, the dash panel beam includes a dash panel middle beam and two dash panel side beams respectively connected to two ends of the dash panel middle beam;

one end of each of the two front wall plate side beams, which is far away from the middle front wall plate beam, is respectively connected with the lower sides of the left A column and the right A column, and two ends of each of the front wall plate longitudinal beams are respectively connected with the front wind window beam and the front wall plate side beam;

the thickness of the wall plate of the front wall plate side beam is larger than that of the wall plate of the middle beam of the front wall plate.

In the technical scheme, the front wall plate beam adopts a split type structure of the front wall plate middle beam and the front wall plate side beam, the thickness of the wall plates of the front wall plate side beams at the two ends of the front wall plate beam is set to be larger than that of the wall plates of the middle front wall plate middle beam, and the weight of the front wall plate beam can be reduced on the premise of ensuring the integral rigidity of the front wall plate beam, so that the weight of the whole automobile is reduced.

With reference to the first aspect and the foregoing implementation manner, in some possible implementation manners, the device further includes two longitudinal beam assemblies, two front wheel covers, and a cabin bearing device; the two longitudinal beam assemblies are arranged at intervals, one end of each longitudinal beam assembly is connected with the cross beam of the front coaming, and the two front wheel covers are respectively connected to the upper parts of the two longitudinal beam assemblies;

the cabin bearing device comprises a cabin middle beam assembly;

the cabin middle cross beam assembly comprises a cabin middle cross beam and two connecting beams;

one end of the connecting beam is connected with the cabin middle cross beam and the front wheel cover at the same time, and the other end of the connecting beam is connected with the front coaming longitudinal beam.

In the technical scheme, on one hand, two ends of the cabin middle cross beam are respectively connected with the two front wheel covers, and on the other hand, the cabin middle cross beam, the front wheel covers and the front coaming longitudinal beams are connected through the connecting beams, so that the cabin bearing device and the front coaming bearing frame can be tightly connected together, and the rigidity and the torsion resistance of the front cabin of the vehicle are effectively improved.

With reference to the first aspect and the foregoing implementation manners, in some possible implementation manners, a distance between one ends of the two connection beams away from the dash panel is greater than a distance between the other ends of the two connection beams close to the dash panel.

In the technical scheme, the connecting beam and the middle cross beam of the front coaming form a diagonal structure, so that twisting trend can be effectively resisted when front wheel covers on two sides have twisting trend due to collision and the like, and large displacement deformation is prevented.

With reference to the first aspect and the foregoing implementation manner, in some possible implementation manners, the connection beam and the cabin middle cross beam are square rectangular pipes;

a notch is arranged at the upper part of one end of the connecting beam;

the end part of the middle cross beam of the engine room is arranged on the notch, and the inner cavity of the middle cross beam of the engine room and the inner cavity of the connecting beam are respectively provided with a pressure bearing piece for supporting the upper pipe wall of the end part of the middle cross beam of the engine room;

the end part of the cross beam in the engine room, one end of the connecting beam provided with the notch and the front wheel cover are connected through bolt perforation.

In the technical scheme, the gap is formed in the connecting beam of the square-rectangular pipe fitting in a material removing mode, so that a mounting space can be opened for mounting the middle cross beam of the engine room, and the connecting beam is connected with the middle cross beam of the engine room. Considering that the connecting beam and the cabin middle cross beam are square moment pipe fittings, when the bolts are screwed, the square moment pipe fittings are easy to deform under pressure, the pressure bearing piece is arranged in the inner cavity of the cabin middle cross beam and the inner cavity of the connecting beam, the square moment pipe fittings are molded to support, the square moment pipe fittings are prevented from being deformed under pressure in the screwing process, the fastening moment of the bolts is influenced, and the connection firmness degree of the connecting beam, the cabin middle cross beam and the front wheel cover is further influenced.

With reference to the first aspect and the foregoing implementation manners, in some possible implementation manners, the beam assembly in the nacelle further includes two first connectors; each first connecting piece comprises a first mounting plate and at least two first bending parts;

the two first bending parts are respectively connected with two opposite side edges of the first mounting plate and bend towards the same direction; the two first bending parts are fixedly connected with the two side faces of the front coaming longitudinal beam respectively;

the two connecting beams are fixedly connected with the first mounting plates of the two first connecting pieces respectively.

In the technical scheme, the two connecting beams and the two front coaming longitudinal beams can be firmly connected through the first connecting piece.

With reference to the first aspect and the foregoing implementation manner, in some possible implementation manners, the nacelle force bearing device further includes a nacelle upper beam assembly and/or a nacelle lower beam assembly;

the cabin upper beam assembly comprises a cabin upper beam, the cabin upper beam is positioned above the cabin middle beam, and two ends of the cabin upper beam are respectively connected with the two front wheel covers;

the cabin lower beam assembly comprises a cabin lower beam, the cabin lower beam is positioned below the cabin middle beam, and two ends of the cabin lower beam are respectively connected with the two longitudinal beam assemblies.

According to the technical scheme, on the basis that the cabin middle cross beam is connected with the front surrounding bearing frame through the connecting beam, the cabin transverse torsional rigidity can be effectively improved through transverse connection of the cabin middle cross beam, the cabin upper cross beam and the cabin lower cross beam in the cabin upper, middle and lower three-layer space, and the vehicle can obtain excellent operation stability.

With reference to the first aspect and the foregoing implementation manners, in some possible implementation manners, the nacelle lower beam is arched;

the cabin lower beam assembly further comprises two second connectors;

each second connecting piece comprises a second mounting plate and at least two triangular second bending parts; the inclined direction of the inclined edge of the second bending part is consistent with the inclined direction of the end part of the lower cross beam of the cabin;

the two second bending parts are respectively connected with two opposite side edges of the second mounting plate and bend towards the same direction; the second bending part is provided with a flanging connected with the side surface of the longitudinal beam assembly;

and the two end heads of the lower cross beam of the engine room are fixedly connected with the second mounting plates of the two second connecting pieces respectively.

In the technical scheme, the second connecting piece can realize firm connection of the lower transverse beam of the arched engine room and the two longitudinal beam assemblies.

With reference to the first aspect and the foregoing implementation manner, in some possible implementation manners, the nacelle upper beam assembly further includes two supporting frames;

each supporting frame comprises a top plate and two side plates, one ends of the two side plates are respectively connected with two ends of the top plate, and the other ends of the two side plates are provided with third bending parts connected with the front wheel cover;

and the two end heads of the upper cross beam of the engine room are respectively fixedly connected with the top plates of the two supporting frames.

In the technical scheme, the cabin upper cross beam is connected with the front wheel cover through the support frame, so that the transverse connection rigidity of the cabin can be further improved, and the torsion resistance and the operation stability of the whole vehicle are improved.

In a second aspect, the utility model also provides a vehicle comprising a vehicle front cabin as described in any one of the first aspects above.

Drawings

FIG. 1 is a schematic view of a front cabin of a vehicle according to an embodiment of the present utility model;

FIG. 2 is a schematic structural view of the front cabin of the vehicle of FIG. 1 from another perspective (with the cabin upper and lower cross-beam assemblies omitted);

FIG. 3 is an enlarged schematic view of a portion I of the front compartment of the vehicle of FIG. 1;

FIG. 4 is a partial cross-sectional view taken partially along line A-A in FIG. 3;

FIG. 5 is an enlarged schematic view of a portion II of the front compartment of the vehicle of FIG. 1;

FIG. 6 is a schematic view of the first connector of FIG. 5;

FIG. 7 is an enlarged schematic view of a portion III of the front compartment of the vehicle of FIG. 1;

fig. 8 is a schematic structural view of the second connector in fig. 7.

The reference numerals in the drawings are explained as follows:

01-a dash panel; 02-front windshield cross member; 03-left a column; 04-right a column; 05-a longitudinal beam assembly; 06-front wheel cover;

1-a front wall bearing frame;

11-a dash cross-member; 111-a middle cross beam of the front coaming; 112-a dash panel side cross member;

12-a dash panel longitudinal beam;

2-cabin force bearing device;

21-a nacelle middle beam assembly;

211—cabin middle cross beam; 2111, a pressure bearing piece; 2112—a bolt;

212—connection beams; 2121-notch;

213-a first connector; 2131—a first mounting plate; 2132—a first fold;

22-nacelle upper beam assembly;

221-cabin upper cross beam;

222-a support frame; 2221—top plate; 2222—side plates; 22221-third fold;

23-nacelle lower beam assembly;

231-cabin lower cross member;

232-a second connector; 2321—a second mounting plate; 23211-second fold; 23212-first flange; 23213—an extension; 23214—a second cuff.

Detailed Description

The technical scheme of the utility model will be clearly and thoroughly described below with reference to the accompanying drawings. Wherein, in the description of the embodiments of the present utility model, unless otherwise indicated, "/" means or, for example, a/B may represent a or B: the text "and/or" is merely an association relation describing the associated object, and indicates that three relations may exist, for example, a and/or B may indicate: the three cases where a exists alone, a and B exist together, and B exists alone, and furthermore, in the description of the embodiments of the present utility model, "plural" means two or more than two.

The terms "first," "second," and the like, are used below for descriptive purposes only and are not to be construed as implying or implying 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 related art, the rigidity of the area where the dash panel of the front cabin of the vehicle is located is poor, and excitation sources such as external noise and the like are easily transmitted to the inside of the cab through the dash panel, so that the noise in the cab is overlarge.

In order to solve the technical problems, the embodiment of the utility model provides a front cabin of a vehicle and the vehicle. A vehicle front cabin according to an embodiment of the present utility model will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a front cabin of a vehicle according to an embodiment of the utility model, and fig. 2 is a schematic structural view of the front cabin of the vehicle of fig. 1 from another perspective.

First, a first aspect of the present utility model proposes a vehicle front cabin including a dash panel 01, a front windshield cross member 02 connected to an upper portion of the dash panel 01, left and right a pillars 03 and 04 respectively connected to both ends of the front windshield cross member 02, and a cowl load carrier 1.

The cowl load carrier 1 includes a cowl cross member 11 and two cowl stringers 12.

The dash cross member 11 is provided on the lower side of the dash panel 01, and one end of the dash cross member 11 is connected to the lower portion of the left a pillar 03 and the other end is connected to the lower portion of the right a pillar 04.

The two front coaming stringers 12 are arranged on the side surface of the front coaming 01 facing away from the passenger cabin at intervals; one end of the dash side member 12 is connected to the cowl cross member 02, and the other end is connected to the dash cross member 11.

Among them, the dash panel 01, the front windshield cross member 02, the left a-pillar 03, and the right a-pillar 04 belong to a conventional structure of an existing vehicle body, and the embodiment of the present utility model will not be described in detail. In addition, the dash cross-member 11 may be integrally formed by an integral molding process; or a split structure can be adopted and formed by splicing a plurality of parts.

In the embodiment of the present utility model, the front wall load-bearing frame 1 including the front wall cross member 11 and the two front wall longitudinal members 12 and the front wall 01, the front windshield cross member 02, the left a pillar 03 and the right a pillar 04 form a main body load-bearing skeleton of the area where the front wall is located. The main bearing framework is of an annular overlapped bearing structure. Specifically, the front windshield cross member 02 and the left a pillar 03, the left dash side member 12, and the left portion of the dash cross member 11 may form a left load-carrying structure; the right bearing structure can be formed by the front windshield cross member 02, the right A column 04, the right front coaming longitudinal beam 12 and the right part of the front coaming cross member 11; the front windshield cross member 02 and the middle parts of the two dash panel longitudinal beams 12 and the dash panel cross member 11 may form a middle load-carrying structure; wherein, left side load-carrying structure, right side load-carrying structure and middle load-carrying structure all are approximate rectangular closed loop structure.

In the above technical scheme, the front wall load-bearing frame 1 forms a front wall main body load-bearing framework comprising left, middle and right load-bearing structures with the front wall plate 01, the front windshield cross beam 02, the left A column 03 and the right A column 04, and the framework can be effectively connected with the A column, so that the area where the front wall plate 01 is located is effectively reinforced, and the rigidity of the area where the front wall plate 01 of the front cabin of the vehicle is located is improved. Therefore, the problem that the noise in the cab is overlarge due to poor rigidity of the area where the front panel 01 of the front cabin of the existing vehicle is located can be solved through the scheme.

Referring to fig. 2, in some embodiments of the present utility model, the dash cross-member 11 includes a dash center cross-member 111 and two dash side cross-members 112 connected to both ends of the dash center cross-member 111, respectively.

One end of the two dash side rails 112 away from the dash center rail 111 is connected to the undersides of the left a-pillar 03 and the right a-pillar 04, respectively, and both ends of a dash side rail 12 are connected to the front windshield cross rail 02 and the dash side rail 112, respectively.

The thickness of the wall plate of the dash side rail 112 is greater than the thickness of the wall plate of the dash center rail 111.

The dash panel beam 11 in the embodiment of the utility model adopts a split structure in consideration of the large integral processing difficulty and high cost, namely, adopts a splicing mode of the dash panel middle beam 111 and the dash panel side beam 112. The respectively processed dash middle cross beam 111 and dash side cross beam 112 have the advantages of simple manufacture and low cost.

In the above technical scheme, the dash cross beam 11 adopts a split structure of combining the dash middle cross beam 111 and the dash side cross beam 112, and the thickness of the wall plates of the dash side cross beams 112 at the two ends of the dash cross beam 11 is set to be larger than that of the wall plates of the middle dash middle cross beam 111, so that the weight of the dash cross beam 11 can be reduced on the premise of ensuring the integral rigidity of the dash cross beam 11, thereby reducing the weight of the whole vehicle.

Referring to fig. 1 and 2, in some embodiments of the utility model, the vehicle front cabin further comprises two rail assemblies 05, two front wheel covers 06 and a cabin load bearing device 2; the two longitudinal beam assemblies 05 are arranged at intervals, one end of each longitudinal beam assembly is connected with the cross beam 11 of the front coaming, and the two front wheel covers 06 are respectively connected to the upper parts of the two longitudinal beam assemblies 05.

The nacelle load bearing apparatus 2 includes a nacelle center beam assembly 21; the nacelle middle beam assembly 21 comprises a nacelle middle beam 211 and two connection beams 212; one end of a connecting beam 212 is connected to both the cabin center cross member 211 and a front wheel house 06, and the other end is connected to the dash side member 12.

Wherein two connection beams 212 are provided with respect to the two dash side frames 12, respectively; the connection beam 212 is located between the dash side frame 12 and one end of the cabin center cross member 211 opposite the dash side frame 12. The front wheel house 06 is connected to the upper part of the side member assembly 05 and is also connected to a cabin side member or the like in a structurally stable manner. The rail assembly 05, the front wheel housing 06 and the cabin side rail all belong to the conventional structure of the existing vehicle body, and this will not be described in detail in the embodiment of the present utility model.

In the above technical solution, on one hand, two ends of the cabin middle cross beam 211 are respectively connected with the two front wheel covers 06, and on the other hand, the cabin middle cross beam 211, the front wheel covers 06 and the dash panel longitudinal beams 12 are also connected through the connecting beams 212, so that the cabin bearing device 2 and the front panel bearing frame 1 can be tightly connected together, and the rigidity and the torsion resistance of the front cabin of the vehicle can be effectively improved.

Referring to fig. 2, in some embodiments of the present utility model, the distance between the ends of the two connection beams 212 that are away from the dash panel 01 is greater than the distance between the other ends of the two connection beams 212 that are close to the dash panel 01.

The distance between the two ends of the connecting beam 212 may be expressed as the angle between the connecting beam 212 and the dash middle cross-member 111. The two connection beams 212 are provided in the manner of this embodiment, so that the connection beams 212 and the dash cross-member 111 form an inclined-pull structure having an acute angle of 65 °, 70 °, 75 °, or the like.

In the above technical solution, the connecting beam 212 and the middle cross beam 111 of the dash panel form a diagonal structure, so that when the front wheel covers 06 on both sides have a twisting tendency due to impact, the twisting tendency can be effectively resisted, and large displacement deformation can be prevented.

Referring to fig. 3 and 4, fig. 3 is an enlarged schematic view of a part i of the front cabin of the vehicle of fig. 1; fig. 4 is a partial cross-sectional view taken partially along line A-A in fig. 3.

In some embodiments of the utility model, the connection beam 212 and the nacelle middle cross beam 211 are square rectangular pipes.

A notch 2121 is arranged at the upper part of one end of the connecting beam 212; the end of the nacelle middle beam 211 is set up in the gap 2121, and both the inner cavity of the nacelle middle beam 211 and the inner cavity of the connecting beam 212 are provided with a bearing 2111 for supporting the pipe wall on the end of the nacelle middle beam 211.

The end of the nacelle center cross member 211, the end of the connection beam 212 provided with the notch 2121, and the front wheel house 06 are perforated and connected by bolts 2112.

The square tube comprises square tubes with equal side lengths and rectangular tubes with unequal side lengths. The bearing member 2111 is a supporting structure with high compressive strength, and may be a supporting block, a sleeve, etc. The shape of the pressure-receiving member 2111 is not particularly limited in the embodiment of the present utility model. Referring to fig. 4, when the cabin middle cross member 211, the connection beam 212, and the front wheel house 06 are connected, the inner cavity of the cabin middle cross member 211 may be provided with a pressure bearing member 2111; when the connecting beam 212 is connected to the front wheel house 06, the inner cavity of the connecting beam 212 may be provided with a pressure-receiving member 2111. In addition, a rivet nut may be used as the nut of the bolt 2112.

In the above technical solution, the connection beam 212 of the square tube is provided with the notch 2121 by removing material, so that a mounting space can be opened for mounting the cabin middle beam 211, and the connection beam 212 and the cabin middle beam 211 can be connected. Considering that the connecting beam 212 and the cabin middle cross beam 211 are square rectangular pipe fittings, when the bolts 2112 are screwed down, the square rectangular pipe fittings are easy to deform under pressure, and the scheme also sets up the pressure bearing piece 2111 in the inner cavity of the cabin middle cross beam 211, so that the square rectangular pipe fittings are molded to support, the compression deformation of the square rectangular pipe fittings in the screwing down process is prevented, the fastening moment of the bolts 2112 is influenced, and the connection firmness degree of the connecting beam 212, the cabin middle cross beam 211 and the front wheel cover 06 is further influenced.

Referring to FIGS. 1, 5 and 6, FIG. 5 is an enlarged schematic view of a portion II of the front compartment of the vehicle of FIG. 1; fig. 6 is a schematic structural view of the first connector 213 in fig. 5.

In some embodiments of the utility model, the nacelle middle beam assembly 21 further comprises two first connectors 213; each first connector 213 includes a first mounting plate 2131 and at least two first bends 2132.

The two first bending parts 2132 are respectively connected with two opposite side edges of the first mounting plate 2131 and bend towards the same direction; the two first bent portions 2132 are fixedly connected to the two side surfaces of the dash side member 12, respectively. The two connection beams 212 are fixedly connected to the first mounting plates 2131 of the two first connection pieces 213, respectively.

The number of the first bending portions 2132 may be two or three. The first bent portion 2132 is fixedly connected to the dash side frame 12, and the two connecting beams 212 are fixedly connected to the first mounting plates 2131 of the two first connecting members 213, respectively. The fixed connection can be specifically realized by adopting a welding connection mode and the like.

Referring to fig. 5 and 6, when the number of first bending portions 2132 is two, the opposite two first bending portions 2132 may be bent downward, and of course, in some possible embodiments, the opposite two first bending portions 2132 may also be bent upward.

In the above-described embodiment, the first connecting piece 213 enables a firm connection of the two connecting beams 212 to the two dash stringers 12.

In addition, when the number of the first bent portions 2132 is three, the third first bent portion 2132 may be connected to the top surface of the dash side member 12 and the side edge between the two opposite side edges of the first mounting plate 2131 at the same time and may be oriented in the same or opposite direction as the other two first bent portions 2132. In this way, the connection strength of the first connecting member 213 to the dash side member 12 can be further improved.

Referring to FIG. 1, in some embodiments of the utility model, nacelle load bearing apparatus 2 further includes a nacelle upper beam assembly 22 and/or a nacelle lower beam assembly 23.

The nacelle upper beam assembly 22 includes a nacelle upper beam 221, the nacelle upper beam 221 being located above the nacelle middle beam 211, both ends of the nacelle upper beam 221 being connected to two front wheel houses 06, respectively.

The nacelle lower beam assembly 23 includes a nacelle lower beam 231, the nacelle lower beam 231 being located below the nacelle middle beam 211, both ends of the nacelle lower beam 231 being connected to two rail assemblies 05, respectively.

The nacelle power plant 2 may include only the nacelle upper beam assembly 22, only the nacelle lower beam assembly 23, and both the nacelle upper beam assembly 22 and the nacelle lower beam assembly 23. According to the scheme, the two front wheel covers 06 are transversely connected in the cabin upper layer space through the cabin upper beam 221 of the cabin upper beam assembly 22, so that the transverse connection rigidity of the cabin middle beam 211 can be compensated, and the cabin upper layer space operation stability performance can be improved; by connecting the two side rail assemblies 05 laterally in the cabin lower space by the cabin lower cross member 231 of the cabin lower cross member assembly 23, a balanced stress of the two side rail assemblies 05 during torsion can be achieved.

In the embodiment of the utility model, on the basis that the cabin middle beam 211 is connected with the front load-carrying frame 1 through the connecting beam 212, the cabin transverse torsional rigidity can be effectively improved through the transverse connection of the cabin middle beam 211, the cabin upper beam 221 and the cabin lower beam 231 in the cabin upper, middle and lower three-layer space, so that the vehicle obtains excellent operation stability.

Referring to fig. 1, 7 and 8, fig. 7 is an enlarged schematic view of a part iii in the front cabin of the vehicle of fig. 1; fig. 8 is a schematic structural view of the second connector 232 in fig. 7.

In some embodiments of the utility model, the nacelle lower cross member 231 is arched.

The nacelle lower beam assembly 23 further comprises two second connectors 232.

Each second connector 232 includes a second mounting plate 2321 and at least two triangular second bent portions 23211; the oblique direction of the hypotenuse of the second fold 23211 coincides with the oblique direction of the end of the nacelle lower cross member 231.

The two second bending parts 23211 are respectively connected with two opposite sides of the second mounting plate 2321 and bend towards the same direction; the second folded portion 23211 is provided with a first flange 23212 connected to a side surface of the side member assembly 05.

The two end heads of the cabin lower beam 231 are fixedly connected with the second mounting plates 2321 of the two second connecting pieces 232 respectively.

The first flange 23212 of the second bending portion 23211 on the second mounting plate 2321 is fixedly connected with the longitudinal beam assembly 05, and specifically, the first flange 23212 may be welded with a main surface of a side surface of the longitudinal beam assembly 05. The two end heads of the nacelle lower beam 231 are fixedly connected with the second mounting plates 2321 of the two second connecting pieces 232.

The nacelle lower beam 231 is arched, so that the nacelle lower beam 231 itself has high transverse connection rigidity. And referring to fig. 1 and 7, both ends of the arched nacelle lower beam 231 are inclined downward, the second bent portion 23211 of the second connecting piece 232 is set to be triangular, and the inclined direction of the hypotenuse of the triangle is set to be identical to the inclined direction of the end of the nacelle lower beam 231, so that the connection rigidity of the second connecting piece 232 and the nacelle lower beam 231 can be effectively improved, and the bearing capacity can be remarkably improved.

In the above-described solution, a firm connection of the arched nacelle lower cross member 231 with the two longitudinal member assemblies 05 can be achieved by means of the second connection members 232.

Furthermore, in some embodiments of the utility model, the second connector 232 may also include an extension 23213; the extension 23213 may be connected to a side between two opposite sides of the second mounting plate 2321 and extend in a direction away from the second mounting plate 2321; and the free end of the extension 23213 is further provided with a second flange 23214 attached to the inner panel of the rail assembly 05. In this way, the connection strength of the second connector 232 to the side member assembly 05 can be further improved.

Referring to fig. 1 and 3, in some embodiments of the utility model, the nacelle upper beam assembly 22 also includes two support brackets 222.

Each supporting frame 222 comprises a top plate 2221 and two side plates 2222, one end of each side plate 2222 is respectively connected with two ends of the top plate 2221, and the other end is provided with a third bending part 22221 connected with the front wheel cover 06; the two end heads of the cabin upper beam 221 are fixedly connected with top plates 2221 of the two supporting frames 222 respectively.

The supporting frame 222 may form a bridge connection structure similar to a bridge pier. The top plate 2221 of the support frame 222 is connected to both side plates 2222, and the side plates 2222 are connected to the front wheel house 06 by third folded portions 22221. In other words, the two end heads of the cabin upper cross member 221 are fixedly connected to the top plates 2221 of the two supporting frames 222, so as to be connected to the two front wheel covers 06.

In the above embodiment, the cabin upper beam 221 is connected with the front wheel cover 06 through the supporting frame 222, so that the transverse connection rigidity of the cabin can be further improved, and the torsion resistance and the operation stability of the whole vehicle are improved.

Next, a second aspect of the utility model also proposes a vehicle comprising a vehicle front cabin according to any one of the first aspects of the embodiments described above.

The vehicle provided by the utility model has all the beneficial effects of the vehicle front cabin due to the vehicle front cabin provided by the embodiment. The vehicle front cabin is described in detail above and will not be described again here.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. A vehicle front cabin comprises a front coaming (01), a front windshield cross beam (02) connected to the upper part of the front coaming (01), and a left A column (03) and a right A column (04) respectively connected to two ends of the front windshield cross beam (02); the front wall load-bearing frame is characterized by further comprising a front wall load-bearing frame (1), and the front wall load-bearing frame (1) comprises:

the front wall plate cross beam (11), the front wall plate cross beam (11) is arranged on the lower side of the front wall plate (01), one end of the front wall plate cross beam (11) is connected with the lower part of the left A column (03), and the other end of the front wall plate cross beam is connected with the lower part of the right A column (04);

the two front coaming stringers (12) are arranged on the side surface of the front coaming (01) facing away from the passenger cabin at intervals; one end of the front coaming longitudinal beam (12) is connected with the front windshield cross beam (02), and the other end of the front coaming longitudinal beam is connected with the front coaming cross beam (11).

2. Vehicle front cabin according to claim 1, wherein the dash cross-member (11) comprises a dash center cross-member (111) and two dash side cross-members (112) connected to both ends of the dash center cross-member (111), respectively;

one end, far away from the middle cross beam (111) of the front wall plate, of each front wall plate side cross beam (112) is respectively connected with the lower sides of the left A column (03) and the right A column (04), and two ends of each front wall plate longitudinal beam (12) are respectively connected with the front wind window cross beam (02) and the front wall plate side cross beam (112);

the thickness of the wall plate of the dash panel side cross beam (112) is greater than the thickness of the wall plate of the dash panel middle cross beam (111).

3. Vehicle front nacelle according to claim 1, further comprising two rail assemblies (05), two front wheel covers (06) and a nacelle load carrying device (2); the two longitudinal beam assemblies (05) are arranged at intervals, one end of each longitudinal beam assembly is connected with the front coaming cross beam (11), and the two front wheel covers (06) are respectively connected to the upper parts of the two longitudinal beam assemblies (05);

the cabin bearing device (2) comprises a cabin middle beam assembly (21);

the cabin middle cross beam assembly (21) comprises a cabin middle cross beam (211) and two connecting beams (212);

one end of the connecting beam (212) is connected with the cabin middle cross beam (211) and the front wheel cover (06) at the same time, and the other end is connected with the front coaming longitudinal beam (12).

4. A vehicle front cabin according to claim 3, characterized in that the distance between the ends of the two connection beams (212) remote from the dash panel (01) is greater than the distance between the other ends of the two connection beams (212) close to the dash panel (01).

5. A vehicle front nacelle according to claim 3, wherein the connection beam (212) and the nacelle middle cross-beam (211) are square rectangular tubes;

a notch (2121) is arranged at the upper part of one end of the connecting beam (212);

the end part of the cabin middle cross beam (211) is arranged on the notch (2121), and a pressure-bearing piece (2111) for supporting the upper pipe wall at the end part is arranged in the inner cavity of the cabin middle cross beam (211) and the inner cavity of the connecting beam (212);

the end of the cabin middle cross beam (211), one end of the connecting beam (212) provided with the notch (2121) and the front wheel cover (06) are connected through a bolt (2112) through hole.

6. Vehicle front nacelle according to any of claims 3-5, wherein the nacelle middle beam assembly (21) further comprises two first connectors (213);

each first connector (213) comprises a first mounting plate (2131) and at least two first bends (2132);

the two first bending parts (2132) are respectively connected with two opposite side edges of the first mounting plate (2131) and are bent towards the same direction; the two first bending parts (2132) are fixedly connected with the two side surfaces of the front coaming longitudinal beam (12) respectively;

the two connecting beams (212) are fixedly connected with the first mounting plates (2131) of the two first connecting pieces (213) respectively.

7. Vehicle front nacelle according to any of claims 3-5, wherein the nacelle load bearing apparatus (2) further comprises a nacelle upper cross member assembly (22) and/or a nacelle lower cross member assembly (23);

the cabin upper beam assembly (22) comprises a cabin upper beam (221), the cabin upper beam (221) is positioned above the cabin middle beam (211), and two ends of the cabin upper beam (221) are respectively connected with the two front wheel covers (06);

the cabin lower beam assembly (23) comprises a cabin lower beam (231), the cabin lower beam (231) is located below the cabin middle beam (211), and two ends of the cabin lower beam (231) are respectively connected with two longitudinal beam assemblies (05).

8. Vehicle front nacelle according to claim 7, wherein the nacelle lower cross member (231) is arched;

the nacelle lower cross beam assembly (23) further comprises two second connectors (232);

each second connecting piece (232) comprises a second mounting plate (2321) and at least two triangular second bent parts (23211); the inclined direction of the inclined edge of the second bending part (23211) is consistent with the inclined direction of the end part of the cabin lower cross beam (231);

the two second bending parts (23211) are respectively connected with two opposite sides of the second mounting plate (2321) and bend towards the same direction; the second bending part (23211) is provided with a first flanging (23212) connected with the side surface of the longitudinal beam assembly (05);

the two end heads of the cabin lower cross beam (231) are fixedly connected with second mounting plates (2321) of the two second connecting pieces (232) respectively.

9. The vehicle front cabin of claim 7, wherein the cabin upper cross-member assembly (22) further comprises two support brackets (222);

each supporting frame (222) comprises a top plate (2221) and two side plates (2222), one ends of the two side plates (2222) are respectively connected with two ends of the top plate (2221), and the other ends of the two side plates are provided with third bending parts (22221) connected with the front wheel cover (06);

and the two end heads of the cabin upper cross beam (221) are respectively fixedly connected with top plates (2221) of the two supporting frames (222).

10. A vehicle comprising a vehicle front cabin according to any one of claims 1 to 9.