CN210734296U - White body structure of commercial car - Google Patents

Abstract

The utility model discloses a white automobile body structure of a commercial vehicle, which belongs to the technical field of automobiles, wherein a first mounting part or a second mounting part is arranged at one end of each longitudinal beam of a floor assembly of the white automobile body structure, which is close to a rear floor, the middle floor is of a U-shaped structure, and one end of the U-shaped structure is connected with the rear floor; or the middle floor comprises a first part and a second part which are connected, the first part comprises a first U-shaped structure, one end of the first U-shaped structure is connected to the rear floor, the other end of the first U-shaped structure is connected with a first connecting plate, the second part comprises a second U-shaped structure, one end of the second U-shaped structure is connected with a second connecting plate, the second connecting plate is connected to the first connecting plate, and a groove is formed between the first part and the second part. Through setting up four kinds of floor assemblies, can select one of them to assemble with other assemblies, realize commercial white automobile body structure's modular design, satisfy the individualized demand of consumer to the motorcycle type.

Description

White body structure of commercial car

Technical Field

The utility model relates to the technical field of automobiles, especially, relate to a white body structure of commercial car.

Background

The white body structure is the core of the cab, the installation of all internal and external decoration functional parts of the cab, the strength of the cab and the like are based on the white body structure, the white body structure can directly determine the strength of the cab performance, and the driver cab has increasingly strong competition in the heavy commercial vehicle market today, so that the manufacturing cost is reduced, the class of the cab is improved, the individualized requirements of consumers on vehicle types are met, and the white body structure becomes the key point of common attention of global automobile enterprises. At present, some manufacturers adopt aluminum alloy frame vehicle body structures, only put forward a modularization concept, lack real division and design, have complex white vehicle body structures and strict requirements on safety performance, are limited by manufacturing processes such as stamping, welding and the like, and have relatively low modularization degree of the white vehicle body structures of commercial vehicles at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a white automobile body structure of commercial car to realize white automobile body structure's modular design, satisfy the individualized demand of consumer to the motorcycle type.

As the conception, the utility model adopts the technical proposal that:

a commercial white car body structure comprises a floor assembly, a top cover assembly and an air window upper crossbeam assembly, wherein the two ends of the floor assembly in a first direction are respectively connected with a front wall assembly and a rear wall assembly, the two ends of the floor assembly in a second direction are respectively connected with a left side wall assembly and a right side wall assembly, the first direction is vertical to the second direction, the top cover assembly is arranged opposite to the floor assembly and is respectively connected with the front wall assembly, the rear wall assembly, the left side wall assembly and the right side wall assembly, and the air window upper crossbeam assembly is connected between the top cover assembly and the front wall assembly;

the floor assembly comprises a middle floor, wherein one end of the middle floor in the first direction is connected with a rear floor, two ends of the middle floor in the second direction are respectively connected with a left floor and a right floor, longitudinal beams extending along the first direction are arranged between the left floor and the middle floor and between the right floor and the middle floor, one end of each longitudinal beam close to the rear floor is provided with a first mounting piece or a second mounting piece, the first mounting pieces are used for mounting a fixed suspension, and the second mounting pieces are used for mounting a spiral spring suspension;

the middle floor is of a U-shaped structure, and one end of the U-shaped structure is connected to the rear floor; or the middle floor comprises a first part and a second part which are connected, the first part comprises a first U-shaped structure, one end of the first U-shaped structure is connected with the rear floor, the other end of the first U-shaped structure is connected with a first connecting plate, the second part comprises a second U-shaped structure, one end of the second U-shaped structure is connected with a second connecting plate, and the second connecting plate is connected with the first connecting plate, so that a groove is formed between the first part and the second part.

Furthermore, the first mounting piece is of a U-shaped structure, and three first mounting holes are formed in two opposite side edges of the first mounting piece;

the second installation part is of a U-shaped structure, and two opposite side edges of the second installation part are provided with two second installation holes.

Furthermore, each longitudinal beam is connected to the rear floor, each longitudinal beam is provided with a positioning hole, and the positioning holes in the two longitudinal beams are located at the same position.

Further, the front wall assembly comprises a front wall body, wherein both ends of the front wall body in the second direction are provided with front deflector mounting positions and front wall lock fixing positions, and one end of the front wall body in the second direction is provided with an electrical box mounting position; or

Enclose the assembly before including enclose the body before, enclose and be provided with a plurality of electric pencil installation positions on the body before.

Furthermore, the left side wall assembly comprises a left side wall body, and only a left side window mounting position is arranged on the left side wall body; or

The left side wall assembly comprises a left side wall body, and a left side window mounting position and a left side auxiliary window mounting position are arranged on the left side wall body.

Furthermore, the right side wall assembly comprises a right side wall body, and the right side wall body is only provided with a right side window mounting position; or

The right side encloses the assembly and includes that the right side encloses the body, be provided with right side door window installation position and right side auxiliary window installation position on the right side wall body.

Furthermore, the rear wall assembly comprises a rear wall body, and only a rear window mounting position is arranged on the rear wall body; or

Enclose the assembly after include enclose the body after, enclose after and be provided with on the body back door window installation position, just enclose after the body is in the both ends of second direction are provided with guide plate support and intake duct support respectively.

Further, the roof assembly comprises a first roof body provided with cross beams only at a side facing the floor assembly; or

The top cover assembly comprises a first top cover body, the first top cover body faces one side of the floor assembly and is provided with the cross beam, and the two ends of the second direction of the first top cover body are provided with air guide sleeve fixing holes.

Furthermore, the top cap assembly includes well top cap, well top cap is in the both ends of first direction are connected with preceding top cap and back top cap respectively, well top cap is in the both ends of second direction are connected with left top cap and right top cap respectively, well top cap, preceding top cap, back top cap, left top cap and right top cap enclose to establish and form one end and have open-ended cavity, be provided with the top cap roof beam that is "well" font in the cavity.

Furthermore, the air window upper cross beam assembly comprises an air window upper cross beam inner plate and an air window upper cross beam outer plate which are connected; or

The wind window upper beam assembly comprises a wind window upper beam inner plate and a wind window upper beam outer plate which are connected, and a sunshade fixing position is arranged on the wind window upper beam outer plate.

The utility model has the advantages that:

the utility model provides a white automobile body structure of commercial car, through setting up the floor assembly of four kinds, can select one of them floor assembly to assemble with other assemblies according to actual need, thereby can realize the modularized design of white automobile body structure of commercial, satisfy the individualized demand of consumer to the motorcycle type, and every floor assembly is the left floor of being connected with other assemblies, right floor, back floor and first U-shaped structure and second U-shaped structure's structure is the same, consequently, adopt the equipment that four kinds of floor assemblies and other assemblies can be realized to same set of assembly line, be favorable to improving production efficiency, and the production cost is reduced.

Drawings

FIG. 1 is a disassembled schematic view of a white body structure of a commercial vehicle provided by the present invention;

fig. 2 is a disassembled schematic view of a first floor assembly provided by the present invention;

FIG. 3 is a schematic structural view of the middle floor in FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 2 at A;

fig. 5 is a disassembled schematic view of a second floor assembly provided by the present invention;

FIG. 6 is a schematic structural view of the middle floor in FIG. 5;

FIG. 7 is a partial enlarged view at B in FIG. 5;

fig. 8 is a schematic structural view of a second floor assembly provided by the present invention;

FIG. 9 is an exploded view of the cowl assembly provided by the present invention;

FIG. 10 is a front view of a first cowl assembly provided by the present invention;

FIG. 11 is an enlarged view of a portion of FIG. 10 at C;

FIG. 12 is a front view of a second cowl assembly provided by the present invention;

FIG. 13 is an enlarged view of a portion of FIG. 12 at D;

fig. 14 is a front view of the left side rail assembly provided by the present invention;

fig. 15 is an exploded view of the left side rail assembly provided by the present invention;

FIG. 16 is an exploded view of the rear wall assembly provided by the present invention;

fig. 17 is a front view of a first rear wall assembly provided by the present invention;

fig. 18 is a front view of a second rear wall assembly provided by the present invention;

fig. 19 is a schematic structural diagram of a first cover assembly provided by the present invention;

FIG. 20 is an enlarged fragmentary view at F in FIG. 19;

FIG. 21 is an exploded view of a second head assembly provided by the present invention;

fig. 22 is an exploded view of a first windshield upper cross member assembly provided by the present invention;

fig. 23 is a schematic structural view of a second windshield upper cross beam assembly provided by the present invention;

FIG. 24 is a schematic cross-sectional view of a first commercial vehicle body-in-white construction provided by the present invention;

FIG. 25 is a schematic cross-sectional view of a second commercial vehicle body-in-white construction provided by the present invention;

in the figure:

1. a floor assembly; 11. a middle floor; 111. a first U-shaped structure; 1111. a first connecting plate; 112. a second U-shaped structure; 1121. a second connecting plate; 12. a rear floor; 13. a left floor; 14. a right floor; 15. a stringer; 151. a first mounting member; 1511. a first mounting hole; 152. a second mount; 1521. a second mounting hole; 153. positioning holes;

2. a front wall assembly; 21. a front wall inner plate; 22. a front wall inner beam; 23. a front wall outer upper beam; 24. the front wall encloses the outer lower beam; 201. an electrical box mounting hole; 202. a front deflector mounting hole; 203. front wall lock; 204. an electrical harness mounting hole;

3. a left side enclosure assembly; 31. a left side wall outer plate; 32. a left side wall inner plate; 301. a left side door opening; 302. a left side auxiliary window mounting hole;

4. a rear wall assembly; 41. a rear wall outer plate; 42. a rear wall inner beam; 401. a rear window mounting hole; 402. a baffle bracket; 403. an air inlet channel bracket;

5. a top cover assembly; 51. a first header body; 511. a dome fixing hole; 52. a second header body; 521. a middle top cover; 522. a front top cover; 523. a rear top cover; 524. a right top cover; 525. a left top cover; 53. a roof beam;

6. a right side wall assembly; 7. an upper crossbeam assembly of the air window; 71. an upper crossbeam body of the air window; 711. the sunshade cover is fixed; 72. the wind window upper crossbeam inner plate.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 to 25, the present embodiment provides a commercial vehicle body-in-white structure, which includes a floor assembly 1, a roof assembly 5 and a wind window upper beam assembly 7, wherein two ends of the floor assembly 1 in a first direction are respectively connected with a front wall assembly 2 and a rear wall assembly 4, two ends of the floor assembly 1 in a second direction are respectively connected with a left side wall assembly 3 and a right side wall assembly 6, the first direction is perpendicular to the second direction, the roof assembly 5 is opposite to the floor assembly 1, and the roof assembly is respectively connected to the front wall assembly 2, the rear wall assembly 4, the left side wall assembly 3 and the right side wall assembly 6. The air window upper beam assembly 7 is connected between the front wall assembly 2 and the top cover assembly 5, and the air window upper beam assembly 7 is respectively connected with the left side wall assembly 3 and the right side wall assembly 6. The floor assembly 1, the top cover assembly 5, the air window upper beam assembly 7, the front wall assembly 2, the rear wall assembly 4, the left side wall assembly 3 and the right side wall assembly 6 are arranged together to form a cavity, and the cavity is a cab. The first direction is the direction ab shown in fig. 1, i.e. the direction of forward and backward movement of the commercial vehicle, and the second direction is the direction cd shown in fig. 1, i.e. the direction of width of the commercial vehicle.

As shown in fig. 2 and 7, the floor assembly 1 includes a middle floor 11, one end of the middle floor 11 in a first direction is connected with a rear floor 12, two ends of the middle floor 11 in a second direction are respectively connected with a left floor 13 and a right floor 14, longitudinal beams 15 extending along the first direction are respectively arranged between the left floor 13 and the middle floor 11 and between the right floor 14 and the middle floor 11, each longitudinal beam 15 is connected to the rear floor 12, the longitudinal beams 15 are main force transmission and support members of the floor assembly 1, the left floor 13 is used for connecting the left side enclosure assembly 3, the right floor 14 is used for connecting the right side enclosure assembly 6, and the rear floor 12 is used for connecting the rear enclosure assembly 4. In this embodiment, the floor assembly 1 is formed by welding a left floor 13, a right floor 14, a middle floor 11, a rear floor 12 and two longitudinal beams 15, wherein the left floor 13, the right floor 14, the middle floor 11 and the rear floor 12 are made of common cold-rolled steel plates, the thickness of the steel plates is less than 1.0mm, and the thickness of the two longitudinal beams 15 is greater than 2.0 mm.

In the present embodiment, two types of floor assemblies 1 are provided, and the connection positions and the connection relationships of the two types of floor assemblies 1 with the front wall assembly 2, the rear wall assembly 4, the left side wall assembly 3, and the right side wall assembly 6 are the same. Specifically, the first type of the floor assembly 1 is shown in fig. 2 to 4, the middle floor 11 comprises a first portion and a second portion connected with each other, wherein the first portion comprises a first U-shaped structure 111, one end of the first U-shaped structure 111 is connected with the rear floor 12, the other end is connected with a first connecting plate 1111, the second portion comprises a second U-shaped structure 112, one end of the second U-shaped structure 112 is connected with a second connecting plate 1121, the second connecting plate 1121 is connected with the first connecting plate 1111, so that a groove is formed between the first portion and the second portion, specifically, the first connecting plate 1111 and the second connecting plate 1121 are both bent and approximately L-shaped structures, the middle floor 11 forms a groove between the first portion and the second portion, the depth of the groove is 265mm, after the vehicle is assembled into a commercial vehicle, the U-shaped grooves of the first U-shaped structure 111 and the second U-shaped structure 112 face the ground, and the opening of the groove faces away from the ground, and the middle floor 11 is used for matching with a small engine, while improving the comfort of the occupants. In addition, the first portion is formed by machining a first U-shaped structure 111 and a first connection plate 1111 as a plate body, the second portion is formed by integrally machining a second U-shaped structure 112 and a second connection plate 1121, and the first connection plate 1111 and the second connection plate 1121 are connected by welding. In addition, as shown in fig. 2 to 4, the longitudinal beam 15 of the floor assembly 1 is provided with a first mounting part 151 at one end close to the rear floor 12, the first mounting part 151 is used for mounting a fixed suspension, specifically, the first mounting part 151 is a U-shaped structure, and two opposite side edges of the first mounting part 151 are respectively provided with three first mounting holes 1511. First mounting hole 1511 on two sides sets up one-to-one, and the length of first installed part 151 is 240mm, adopts the long first installed part 151 of 240mm to adopt the fixed suspension of three first mounting hole 1511, fixed reliability is high.

A second type of floor assembly 1 is shown in fig. 5 to 7, wherein the middle floor of the floor assembly 1 is U-shaped, the U-shaped structure has a through U-shaped cavity, and after the floor assembly is assembled into a commercial vehicle, the U-shaped cavity of the U-shaped structure faces the ground, and the floor assembly 1 is used for matching a large displacement engine. In addition, as shown in fig. 5 to 7, the longitudinal beam 15 is provided with a second mounting member 152 at one end close to the rear floor 12, the second mounting member 152 is used for mounting a coil spring type suspension, specifically, the second mounting member 152 is of a U-shaped structure, two opposite side edges of the second mounting member 152 are respectively provided with two second mounting holes 1521, the second mounting holes 1521 on the two side edges are arranged in a one-to-one manner, and the second mounting member 152 at this time can be matched with the light coil spring type suspension.

In addition, the mounting position of the first mounting piece 151 on the side member 15 is closer to the rear floor 12 than the mounting position of the second mounting piece 152 on the side member 15.

As can be seen from the above, the two types of floor assemblies 1 are different in two places, one of them is that the structure of the middle floor 11 is different, specifically, the middle floor 11 is the structure shown in fig. 3 or the structure shown in fig. 6, and is used for matching with the small displacement engine and the large displacement engine respectively. In addition, a first mounting 151 or a second mounting 152 is mounted on the longitudinal beam 15 for matching the fixed suspension and the coil spring suspension, respectively. In addition, the floor assembly 1 has two other types, specifically, a third type: the structure of the middle floor 11 is shown in fig. 3, and the longitudinal beam 15 is provided with a second mounting piece 152. And fourthly: the middle floor 11 is constructed as shown in fig. 6, and the first mounting member 151 is attached to the side member 15. Although the floor assembly 1 has the four types, the welding overlapping boundaries of the four types of floor assemblies 1 are the same as those of the rest of the assemblies, that is, the structures of the left floor 13, the right floor 14, the rear floor 12 and the longitudinal beams 15 of the four types of floor assemblies 1 are the same, and the sizes and the structures of the outer frames of the four types of floor assemblies 1 are the same, so that the same fixture for the floor assemblies 1 can be adopted on a welding line, a coating line and a general assembly line, and the production cost is reduced. And any one of the four types of floor assemblies 1 can be selected when assembling the commercial body-in-white structure.

Further, as shown in fig. 8, in order to facilitate assembly of the body-in-white structure, positioning holes 153 are provided in each side member 15, and the positions of the positioning holes 153 in the two side members 15 are the same, specifically, in the present embodiment, two positioning holes 153 are provided in each side member 15. Because the longitudinal beams 15 of each type of floor assembly 1 have the same structure, the positions of the positioning holes on each type of floor assembly 1 are the same, and the floor assemblies 1 of different types can be commonly used when being assembled.

As shown in fig. 9 to 13, specifically, as shown in fig. 9, the cowl assembly 2 includes a cowl body including a cowl inner panel 21, a cowl inner beam 22, a cowl outer upper beam 23, and a cowl outer lower beam 24, and the cowl inner beam 22, the cowl outer upper beam 23, and the cowl outer lower beam 24 are all connected to the cowl inner panel 21 for improving the structural strength of the cowl assembly 2.

Specifically, in the present embodiment, two types of cowl assemblies 2 are provided, the two types of cowl assemblies 2 are similar in structure, and the connection positions and the connection relationships of the two types of cowl assemblies 2 and the remaining assemblies are the same. Specifically, in the first type of cowl assembly 2, as shown in fig. 10 and 11, both ends of the cowl body in the second direction are provided with the front cowl mounting portion and the cowl lock portion, and one end of the cowl body in the second direction is provided with the electrical box mounting portion, specifically, the electrical box mounting portion is provided on the cowl inner panel 21, and the cowl lock portion and the front cowl lock portion are provided on the cowl outer sill 24. As shown in fig. 11, the electrical box mounting site includes four electrical box mounting holes 201 arranged in a quadrilateral shape, the front spoiler mounting site includes at least one front spoiler mounting hole 202, and the cowl lock includes a cowl lock 203 provided on the cowl outer lower beam 24. The cowl assembly 2 at this time can be used to fix the front cowl and the electric box, and the cowl outer panel can be fixed by the cowl lock 203.

As shown in fig. 12 and 13, the cowl assembly 2 of the second type is provided with a plurality of harness mounting locations on the cowl outer lower frame 24 of the cowl body for fixing the harness, and specifically, as shown in fig. 13, the harness mounting locations include at least one harness mounting hole 204, and the cowl assembly 2 can be used for fixing the harness. It can be understood from the above description that the two types of cowl assemblies 2 are different in that the first type of cowl assembly 2 is provided with a front cowl mounting portion, a cowl lock mounting portion, and an electrical box mounting portion, and the second type of cowl assembly 2 is provided with a plurality of electrical harness mounting portions. The welding and overlapping boundaries of the two types of floor assemblies 1 and the rest of assemblies are the same, the sizes and the structures of the outer frames of the two types of front wall assemblies 2 are the same, and any one of the two types of front wall assemblies 2 can be selected when the body-in-white structure is assembled.

The left side wall assembly 3 and the right side wall assembly 6 are similar in structure, and therefore the structure of the left side wall assembly 3 is taken as an example for explanation. As shown in fig. 14 and 15, the left side wall assembly 3 includes a left side wall body, the left side wall body includes a left side wall outer plate 31 and a left side wall inner plate 32, and the left side wall body is formed by welding the left side wall outer plate 31 and the left side wall inner plate 32.

In this embodiment, two types of left side wall assemblies 3 are provided, the two types of left side wall assemblies 3 are similar in structure, the two types of left side wall assemblies 3 are identical in connection position and connection relation with the floor assembly 1, the roof assembly 5, the front wall assembly 2 and the rear wall assembly 4, specifically, the first type of left side wall assembly 3 is as shown in fig. 14, a left side door installation position and a left side auxiliary window installation position are arranged on the left side wall body, the left side door installation position includes a left side door opening 301, the left side door is installed in the left side door opening 301, the left side auxiliary window installation position includes a left side auxiliary window installation hole 302, the left side auxiliary window is installed in the left side auxiliary window installation hole 302, and the left side auxiliary window can be set to be openable or not openable according to actual needs.

The left side of the second type of left side wall assembly 3 is enclosed and is only provided with left side door installation position on the body, and left side door installation position includes left side door opening 301, and left side door is installed in left side door opening 301. That is, this type of left side rail assembly 3 does not have a left sub-window mounting location thereon. The welding and overlapping of the two types of left side wall assemblies 3 and the rest assemblies are the same, that is, the structures and the sizes of the outer frames of the two types of left side wall assemblies 3 formed by the left side wall outer plate 31 and the left side wall inner plate 32 are completely the same, so that any one of the two types of left side wall assemblies 3 can be selected when the body-in-white structure is assembled.

Similarly, the right side wall assembly 6 also has two types, the right side wall body of the right side wall assembly 6 of the first type is provided with a right side door installation position and a right side auxiliary window installation position, the right side door installation position comprises a right side door opening, the right side door is installed in the right side door opening, the right side auxiliary window installation position comprises a right side auxiliary window installation hole, the right side auxiliary window is installed in the right side auxiliary window installation hole, and the right side auxiliary window can be opened or not according to actual needs. The right side of the second type of right side encloses the body and is provided with right side door installation position only. The two types of right side wall assemblies 6 are welded and overlapped with the rest assemblies in the same way, that is, the outer frame of the right side wall assembly 6 formed by the right side wall inner plate and the right side wall outer plate has the same structure and size, so that any one of the two types of right side wall assemblies 6 can be selected when the body-in-white structure is assembled.

As shown in fig. 16, the back wall assembly 4 includes a back wall body, a back window mounting position is provided on the back wall body, the back window mounting position includes a back window mounting hole 401, and the back window is mounted in the back window mounting hole 401. Specifically, the rear wall assembly 4 is formed by welding a rear wall outer plate 41 and a rear wall inner beam 42, the rear wall inner beam 42 is formed by stamping an ST13 cold-rolled steel plate with the thickness of 1.0mm, and the rear wall outer plate 41 is formed by stamping an ST16 cold-rolled steel plate with the thickness of 0.8 mm.

In the present embodiment, two types of back wall assemblies 4 are provided, the two types of back wall assemblies 4 have similar structures, and the connection positions and connection relationships of the two types of back wall assemblies 4 with the floor assembly 1, the top cover assembly 5, the left side wall assembly 3 and the back side wall assembly 6 are the same. Specifically, as shown in fig. 17, in the first type of rear wall assembly 4, the rear wall outer plate 41 is provided with three baffle brackets 402 on the left side for installing baffles, in this embodiment, the number of the baffle brackets 402 is three, but in other embodiments, the number of the baffle brackets 402 may be set according to actual needs, and the rear wall outer plate 41 is provided with an air inlet bracket 403 on the right side for installing an air inlet.

The second type of rear wall assembly 4 is shown in fig. 18, where fig. 18 and fig. 17 are the same view angle, the rear wall outer plate 41 is provided with three baffle brackets 402 on the right side for installing baffles, in this embodiment, the number of the baffle brackets 402 may be set according to actual needs in other embodiments, and the rear wall outer plate 41 is provided with an air inlet bracket 403 on the left side for installing an air inlet. Of course, as can be seen from the above, the rear wall assembly 4 is also of a third type, and only the rear window installation position is provided on the rear wall body of the rear wall assembly 4 of the third type, but the spoiler bracket 402 and the air intake duct bracket 403 are not provided, and the rear wall assembly 4 of this type is mainly suitable for the electric commercial vehicle.

The welding and overlapping boundaries of the three types of rear wall assemblies 4 and the rest of assemblies are the same, that is, the structures of the rear wall outer plates 41 and the rear wall inner beams 42 of the three types of rear wall assemblies 4 are the same, the structures and the sizes of the outer frames of the three types of rear wall assemblies 4 are the same, and any one of the three types of rear wall assemblies 4 can be selected when the body-in-white structure is assembled.

With respect to the roof assembly 5, the present embodiment provides three types of roof assemblies 5, specifically, as shown in fig. 19 and 20, the roof assembly 5 of the first type includes a first roof body 51, the first roof body 51 is provided with a cross beam (not shown in the figure) only on one side facing the floor assembly 1, the first roof body 51 is an L-shaped structure, and two ends of the first roof body in the second direction are provided with pod fixing holes 511, and the pod fixing holes 511 are used for installing pods.

The second type of roof assembly 5 has the same structure as the first type of roof assembly 5, except that the roof body 51 of the second type of roof assembly 5 is not provided with the pod fixing hole 511.

As shown in fig. 21, in the third type of roof assembly 5, specifically, the roof assembly 5 includes a second roof body 52, the second roof body 52 includes a middle roof 521, two ends of the middle roof 521 in the first direction are respectively connected with a front roof 522 and a rear roof 523, two ends of the middle roof 521 in the second direction are respectively connected with a left roof 525 and a right roof 524, the middle roof 521, the front roof 522, the rear roof 523, the left roof 525 and the right roof 524 together enclose a cavity with an opening at one end, and a roof beam 53 in a shape of a Chinese character 'jing' is arranged in the cavity, although the roof assembly 5 of this type is different from the roof assembly 5 of the first type, the structure and the size of the outer frame of the second roof body 52 for connecting the remaining assemblies are completely the same as the structure and the size of the outer frame of the first roof body 51 for connecting the remaining assemblies, so that when the white body structure is assembled, any one of the three types of the head assembly 5 may be selected.

The cross beam and the roof beam 53 are both formed by stamping a cold-rolled phosphorus-containing reinforced steel plate P170 with the thickness of 1.2mm, and the first roof body 51 and the second roof body 52 are both formed by stamping an ultra-deep-drawing cold-rolled steel plate ST16 with the thickness of 0.8 mm.

To the above-mentioned wind window entablature assembly 7, the embodiment provides two types of wind window entablature assembly 7, and wind window entablature assembly 7 includes wind window entablature planking 71 and wind window entablature inner panel 72, and is formed by wind window entablature planking 71 and wind window entablature inner panel 72 tailor-welding, and wind window entablature planking 71 adopts the H180 steel behind the 0.8mm to make, and wind window entablature inner panel 72 adopts the ST14 steel of 1.2mm thick to make. As shown in fig. 22, the first wind window upper beam assembly 7 is provided with a sun shade fixing position 711 on the wind window upper beam outer plate 71, the sun shade fixing position 711 is used for fixing a sun shade, and as shown in fig. 23, the second wind window upper beam assembly 7 is provided with no sun shade fixing position 711 on the wind window upper beam outer plate 71. The structures and the sizes of the outer frames of the two types of windshield upper cross beam assemblies 7 connected with the other assemblies are the same, and any one of the two types of upper cross beam assemblies 7 can be selected when the body-in-white structure is assembled.

As shown in fig. 24 and 25, the commercial body-in-white structure of fig. 24 is selected from the floor assembly 1 of the third type, i.e., the structure of the middle floor 11 of the floor assembly 1 is shown in fig. 3, and the side members 15 are mounted with the second mounting members 152; selecting a first type of front wall assembly 2, namely a front baffle mounting position, a front wall lock fixing position and an electric box mounting position are arranged on a front wall body; a first type of rear wall assembly 4 is selected, namely a guide plate bracket 402 is arranged on the left side of a rear wall outer plate 41, and an air inlet channel bracket 403 is arranged on the right side; the first type of roof assembly 5 is selected, namely, the first roof body 51 is provided with a dome fixing hole 511; the second type of the wind window upper beam 7 is selected, namely, the wind window upper beam body 71 is not provided with a sunshade fixing position 711. The commercial body-in-white structure of fig. 25 is a floor assembly 1 of a fourth type, i.e., the structure of the center floor 11 of the floor assembly 1 is as shown in fig. 6, and the side members 15 are provided with first mounting members 151; selecting a second type of front wall assembly 2, namely arranging an electric wire harness installation position on the front wall body; a second type of rear wall assembly 4 is selected, namely a guide plate bracket 402 is arranged on the right side of a rear wall outer plate 41, and an air inlet channel bracket 403 is arranged on the left side; a third type of roof assembly 5 is selected, namely a roof beam 53 is arranged in the second roof body 52; the first type of the upper wind window beam 7 is selected, namely, a sunshade fixing position 711 is arranged on the upper wind window beam body 71.

As can be seen from fig. 24 and 25, the connecting structure of the floor assembly 1 and the cowl assembly 2 of the two commercial body-in-white structures is the same, as shown in a1 in fig. 24 and a2 in fig. 25; the connecting structure of the floor assembly 1 and the rear wall assembly 4 is the same, such as B1 in fig. 24 and B2 in fig. 25; the connecting structure of the rear enclosure assembly 4 and the top cover assembly 5 is the same, such as C1 in fig. 24 and C2 in fig. 25; the connecting structure of the wind window upper cross beam 7 and the top cover assembly 5 is the same, such as D1 in FIG. 24 and D2 in FIG. 25.

In conclusion, the commercial body-in-white structure provided by the embodiment is characterized in that the floor assembly 1 is provided with four types, the front wall assembly 2 is provided with two types, the rear wall assembly 4 is provided with three types, the left side wall assembly 3 is provided with two types, the right side wall assembly 6 is provided with two types, the top cover assembly 5 is provided with three types, and the air window upper cross beam assembly 7 is provided with two types, so that one floor assembly 1, one front wall assembly 2, one rear wall assembly 4, one left side wall assembly 3, one right side wall assembly 6, one top cover assembly 5 and one air window upper cross beam assembly 7 can be selected according to actual needs to be assembled, and therefore the modular design of the commercial body-in-white structure can be achieved, the personalized requirements of consumers on vehicle types are met, and the categories of the commercial body-in-white structure are enriched. And the connecting positions and the connecting structures of the two, the three or the four of the floor assembly 1, the top cover assembly 5, the left side wall assembly 3, the right side wall assembly 6, the front side wall assembly 2, the rear side wall assembly 6 and the air window upper beam assembly 7 which are connected randomly are not changed, so that the assembly of different types of commercial white vehicle body structures can be realized by one set of assembly line, and the production cost is favorably reduced.

The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The commercial vehicle body-in-white structure is characterized by comprising a floor assembly (1), a top cover assembly (5) and an air window upper cross beam assembly (7), wherein the two ends of the floor assembly (1) in a first direction are respectively connected with a front wall assembly (2) and a rear wall assembly (4), the two ends of the floor assembly in a second direction are respectively connected with a left side wall assembly (3) and a right side wall assembly (6), the first direction is vertical to the second direction, the top cover assembly (5) is opposite to the floor assembly (1) and is respectively connected with the front wall assembly (2), the rear wall assembly (4), the left side wall assembly (3) and the right side wall assembly (6), and the air window upper cross beam assembly (7) is connected between the top cover assembly (5) and the front wall assembly (2);

the floor assembly (1) comprises a middle floor (11), one end of the middle floor (11) in the first direction is connected with a rear floor (12), two ends of the middle floor (11) in the second direction are respectively connected with a left floor (13) and a right floor (14), longitudinal beams (15) extending along the first direction are arranged between the left floor (13) and the middle floor (11) and between the right floor (14) and the middle floor (11), one end of each longitudinal beam (15) close to the rear floor (12) is provided with a first mounting piece (151) or a second mounting piece (152), the first mounting pieces (151) are used for mounting a fixed suspension, and the second mounting pieces (152) are used for mounting a spiral spring suspension;

the middle floor (11) is of a U-shaped structure, and one end of the U-shaped structure is connected to the rear floor (12); or the middle floor (11) comprises a first part and a second part which are connected, the first part comprises a first U-shaped structure (111), one end of the first U-shaped structure (111) is connected to the rear floor (12), the other end of the first U-shaped structure is connected with a first connecting plate (1111), the second part comprises a second U-shaped structure (112), one end of the second U-shaped structure (112) is connected with a second connecting plate (1121), and the second connecting plate (1121) is connected to the first connecting plate (1111), so that a groove is formed between the first part and the second part.

2. The commercial vehicle body-in-white structure according to claim 1, wherein the first mounting part (151) is a U-shaped structure, and three first mounting holes (1511) are formed in two opposite side edges of the first mounting part (151);

the second mounting part (152) is of a U-shaped structure, and two opposite side edges of the second mounting part (152) are provided with two second mounting holes (1521).

3. -vehicle body in white for a commercial vehicle according to claim 1, characterised in that each longitudinal beam (15) is connected to the rear floor (12), that each longitudinal beam (15) is provided with a positioning hole, and that the positioning holes on both longitudinal beams (15) are located in the same position.

4. The commercial vehicle body-in-white structure according to claim 1, wherein the cowl assembly (2) includes a cowl body provided with a cowl mounting portion and a cowl lock retaining portion at both ends in the second direction, the cowl body being provided with an electrical box mounting portion at one end in the second direction; or

The front wall assembly (2) comprises a front wall body, and a plurality of electric wire harness installation positions are arranged on the front wall body.

5. The commercial vehicle body-in-white structure according to claim 1, characterized in that the left side body assembly (3) comprises a left side body on which only a left side window mounting location is provided; or

The left side wall assembly (3) comprises a left side wall body, and a left side window mounting position and a left side auxiliary window mounting position are arranged on the left side wall body.

6. The commercial vehicle body-in-white structure according to claim 1, characterized in that the right skirt assembly (6) comprises a right skirt body on which only a right window mounting location is provided; or

The right side wall assembly (6) comprises a right side wall body, and a right side window mounting position and a right side auxiliary window mounting position are arranged on the right side wall body.

7. The commercial vehicle body-in-white structure according to claim 1, characterized in that the rear wall assembly (4) comprises a rear wall body on which only rear window mounting locations are provided; or

Enclose assembly (4) after include enclose the body after, enclose after be provided with on the body back door window installation position, just enclose after the body is in the both ends of second direction are provided with guide plate support (402) and intake duct support (403) respectively.

8. -white body structure for a commercial vehicle according to claim 1, characterized in that the roof assembly (5) comprises a first roof body (51), which first roof body (51) is provided with cross beams only on the side facing the floor assembly (1); or

The roof assembly (5) comprises a first roof body (51), the first roof body (51) faces towards one side of the floor assembly (1) and is provided with the cross beam, and the two ends of the second direction of the first roof body (51) are provided with air guide sleeve fixing holes (511).

9. The white body structure of a commercial vehicle according to claim 1, characterized in that the roof assembly (5) comprises a middle roof (521), the two ends of the middle roof (521) in the first direction are respectively connected with a front roof (522) and a rear roof (523), the two ends of the middle roof (521) in the second direction are respectively connected with a left roof (525) and a right roof (524), the middle roof (521), the front roof (522), the rear roof (523), the left roof (525) and the right roof (524) are enclosed to form a cavity with an opening at one end, and a roof beam (53) shaped like a Chinese character 'jing' is arranged in the cavity.

10. The commercial vehicle body-in-white structure according to claim 1, wherein the louver upper beam assembly (7) includes a louver upper beam inner plate (72) and a louver upper beam outer plate (71) which are connected; or

The wind window upper beam assembly (7) comprises a wind window upper beam inner plate (72) and a wind window upper beam outer plate (71) which are connected, and a sunshade fixing position (711) is arranged on the wind window upper beam outer plate (71).

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