阅读说明：本技术 一种皮卡车货箱安装结构 (Pick up car packing box mounting structure ) 是由 陈松元 杨泽飞 顾建明 于 2021-09-30 设计创作，主要内容包括：本发明公开了一种皮卡车货箱安装结构,包括货箱总成、车架总成、后桥总成和两个钢板弹簧,所述货箱总成与所述车架总成连接,所述车架总成包括两个车架纵梁,两个所述钢板弹簧的前后两端分别于两个所述车架纵梁连接,两个所述钢板弹簧的中部分别于所述后桥总成的左右两侧连接,两个所述钢板弹簧的下侧均抵靠在所述后桥总成上,两个所述钢板弹簧的中部分别设置有一个向上凸起的弹性缓冲块,两个所述车架纵梁的下侧对应所述弹性缓冲块的位置分别设置有一个用于限制所述钢板弹簧的跳动上极限的限位支架；所述货箱总成为平底货箱。本发明能够限制钢板弹簧的跳动上极限,减小轮胎包络上极限,从而可以减小后轮毂包体积,将传统货箱改变为平底货箱。(The invention discloses a cargo box mounting structure of a pickup truck, which comprises a cargo box assembly, a frame assembly, a rear axle assembly and two steel plate springs, wherein the cargo box assembly is connected with the frame assembly, the frame assembly comprises two frame longitudinal beams, the front end and the rear end of each steel plate spring are respectively connected with the two frame longitudinal beams, the middle parts of the two steel plate springs are respectively connected with the left side and the right side of the rear axle assembly, the lower sides of the two steel plate springs are respectively abutted against the rear axle assembly, the middle parts of the two steel plate springs are respectively provided with an upward-protruding elastic buffer block, and the lower sides of the two frame longitudinal beams are respectively provided with a limiting bracket for limiting the upper limit of the bounce of the steel plate springs at positions corresponding to the elastic buffer blocks; the container assembly is a flat bottom container. The invention can limit the upper limit of the bounce of the steel plate spring and reduce the upper limit of the tire envelope, thereby reducing the volume of the rear hub package and changing the traditional container into a flat-bottom container.)

1. The utility model provides a pick-up car packing box mounting structure, includes packing box assembly (1), frame assembly (2), rear axle assembly (3) and two leaf spring (4), packing box assembly (1) with frame assembly (2) are connected, frame assembly (2) include two solebars (21), two both ends are respectively in two around leaf spring (4) solebars (21) are connected, two the middle part of leaf spring (4) respectively in the left and right sides of rear axle assembly (3) are connected, its characterized in that: the lower sides of the two steel plate springs (4) are abutted against the rear axle assembly (3), the middle parts of the two steel plate springs (4) are respectively provided with an upward-protruding elastic buffer block (5), and the lower sides of the two frame longitudinal beams (21) corresponding to the positions of the elastic buffer blocks (5) are respectively provided with a limiting bracket (6) for limiting the upper limit of the bounce of the steel plate springs (4); the container assembly (1) is a flat-bottom container.

2. The pickup truck cargo box mounting structure as defined in claim 1, wherein: the pickup truck cargo box mounting structure as defined in claim 1, wherein: the limiting support (6) comprises a support bottom plate (61) and a plurality of supporting side plates (62), the upper ends of the supporting side plates (62) are connected with the frame longitudinal beam (21), the lower ends of the supporting side plates (62) are connected with the support bottom plate (61), and the lower surface of the support bottom plate (61) faces the upper surface of the elastic buffer block (5).

3. The pickup truck cargo box mounting structure as defined in claim 2, wherein: the distance between the lower surface of the support bottom plate (61) and the frame longitudinal beam (21) is 10-25 mm.

4. The pickup truck cargo box mounting structure as defined in claim 2, wherein: the limiting support (6) is made of 510L steel.

5. The pickup truck cargo box mounting structure as defined in claim 1, wherein: the cargo box assembly (1) comprises a cargo box bottom plate (11), two cargo box side plates (12) and two rear wheel cover members (13), wherein the two cargo box side plates (12) are respectively arranged on the left side and the right side of the cargo box bottom plate (11); mounting holes for accommodating the rear wheel cover members (13) are formed in the positions, corresponding to the tire envelopes, of the cargo box bottom plate (11) and the cargo box side plates (12); the two rear wheel cover components (13) respectively comprise a rear wheel cover longitudinal plate (131) connected with the cargo box side plate (12) and a rear wheel cover transverse plate (132) connected with the cargo box bottom plate (11).

6. The pickup truck cargo box mounting structure as defined in claim 5, wherein: the upper side of the rear wheel casing longitudinal plate (131) is connected with the cargo box side plate (12), the lower side of the rear wheel casing longitudinal plate (131) is connected with a rear wheel casing transverse plate (132), and the rear wheel casing transverse plate (132) and the cargo box bottom plate (11) form a flat bottom structure.

7. The pickup truck cargo box mounting structure as defined in claim 6, wherein: a cavity is formed between the rear wheel cover longitudinal plate (131) and the cargo box side plate (12), and a rear wheel cover lining plate (14) is arranged in the cavity.

8. The pickup truck cargo box mounting structure as defined in claim 5, wherein: the rear wheel cover transverse plate (132) is provided with a fuel pipe mounting bracket (133), and the fuel pipe mounting bracket (133) is positioned at the front part or the rear part of the rear wheel cover transverse plate (132).

Technical Field

The invention relates to a pick-up truck, in particular to a cargo box mounting structure of the pick-up truck.

Background

Most pick up all have fine cross-country nature, travelling comfort and loading capacity, and the packing box degree of depth is mostly greater than 500mm, and the wheel hub package need be protruding dodge tire envelope behind the automobile body, and great bulge has sacrificed the packing box volume, can't satisfy some users' demand of carrying cargo. The rear axle structure of pick-up car has the close relation with the tire envelope, and the tire envelope of current rear axle structure makes rear wheel hub package need be protruding, if do not have the bellied motorcycle type of rear wheel hub package of development alone, realizes flat packing box promptly, need lift the packing box bottom plate on, reduces the packing box degree of depth and realizes, development cycle length, and the cost input is big, and the packing box degree of depth becomes shallow, and the loading volume diminishes, and market competition reduces.

CN207535641U discloses an automobile rear axle connection assembly, this utility model's rear axle housing level transversely sets up in automobile body longeron rear downside, leaf spring base level sets up at the rear axle housing downside, adopt U type locking bolt-lock fastening to decide between leaf spring base and the rear axle housing, the bumper shock absorber slope sets up downwards between automobile body longeron and leaf spring base, polylith shock attenuation leaf spring level sets up on the leaf spring base between two U type lockpins, polylith shock attenuation leaf spring both sides are provided with spacing integrated circuit board respectively, leaf spring support level sets up at polylith shock attenuation leaf spring upside middle part, four sides vertical holding material turn-ups that are provided with respectively in leaf spring support top, the holding material draw-in groove and the rear axle housing welded fastening of leaf spring support both sides. The utility model discloses a structural design is reasonable, can improve the structural strength of car rear axle, increases the bearing capacity of car rear axle, avoids car rear axle to produce distortion in abominable operating mode driving process, guarantees vehicle safety of traveling. But this utility model can't reduce the tire envelope upper limit, can't reduce back wheel hub package volume.

CN204775528U discloses a vehicle comprising: an aluminum pick-up truck bed having a rear end and an underside; a sill mechanically coupled to the cargo box of the aluminum pick-up truck, the sill having an upper surface facing an underside adjacent the rear end, the sill including a drain slot formed in the upper surface, wherein the sill defines one or more openings in the drain slot. The utility model discloses a rear portion floorbar and a floorbar and bottom plate subassembly that are used for the pick up still are provided one kind for the pick up. The utility model discloses a can realize making can not have the fluid vestige of remaining on the outside visible surface of vehicle. But the packing box of the utility model is still the structure of the rear hub bag projection.

Disclosure of Invention

In view of the above, the present invention is directed to overcome the defects in the prior art, and provides a cargo box mounting structure for a pick-up truck, which can limit the upper limit of the bounce of a leaf spring, and reduce the upper limit of the tire envelope, so as to reduce the volume of a rear hub package, and realize the purpose of changing the conventional cargo box with a raised rear hub package into a flat-bottom cargo box.

The invention discloses a cargo box mounting structure of a pickup truck, which comprises a cargo box assembly, a frame assembly, a rear axle assembly and two steel plate springs, wherein the cargo box assembly is connected with the frame assembly, the frame assembly comprises two frame longitudinal beams, the front end and the rear end of each steel plate spring are respectively connected with the two frame longitudinal beams, the middle parts of the two steel plate springs are respectively connected with the left side and the right side of the rear axle assembly, the lower sides of the two steel plate springs are respectively abutted against the rear axle assembly, the middle parts of the two steel plate springs are respectively provided with an upward convex elastic buffer block, and the lower sides of the two frame longitudinal beams are respectively provided with a limit bracket for limiting the upper limit of the bounce of the steel plate springs at the positions corresponding to the elastic buffer blocks; the container assembly is a flat bottom container.

Further, spacing support includes support bottom plate and a plurality of support curb plate, and is a plurality of the upper end of supporting the curb plate all with solebar is connected, and is a plurality of the lower extreme of supporting the curb plate all with support bottom plate is connected, and support bottom plate's lower surface orientation the upper surface of elastic buffer block.

Further, the distance between the lower surface of the support bottom plate and the frame longitudinal beam is 10-25 mm.

Furthermore, the material of spacing support adopts 510L steel.

Further, the cargo box assembly comprises a cargo box bottom plate, two cargo box side plates and two rear wheel cover members, wherein the two cargo box side plates are respectively arranged on the left side and the right side of the cargo box bottom plate; mounting holes for accommodating the rear wheel cover members are formed in positions, corresponding to the tire envelopes, of the cargo box bottom plate and the cargo box side plates; the two rear wheel cover components comprise rear wheel cover longitudinal plates connected with the container side plates and rear wheel cover transverse plates connected with the container bottom plate.

Furthermore, the upper side of the rear wheel casing longitudinal plate is connected with the container side plate, the lower side of the rear wheel casing longitudinal plate is connected with the rear wheel casing transverse plate, and the rear wheel casing transverse plate and the container bottom plate form a flat bottom structure.

Further, a cavity is formed between the rear wheel cover longitudinal plate and the container side plate, and a rear wheel cover lining plate is arranged in the cavity.

Further, a fuel pipe mounting bracket is arranged on the rear wheel cover transverse plate and is positioned at the front part or the rear part of the rear wheel cover transverse plate.

The invention has the beneficial effects that: the limiting support in the invention can limit the upper limit of the bounce of the steel plate spring after contacting with the elastic buffer block, thereby reducing the upper limit of the tire envelope, further reducing the volume of the rear hub package, realizing the change of the traditional container with the convex rear hub package into a flat-bottom container, and the flat-bottom container and the container with the convex rear hub package adopt the same frame assembly, rear axle assembly and steel plate spring, the depth of the container does not need to be changed, only the limiting support needs to be added on the frame longitudinal beam, the whole change of the pickup truck is very small, two pick-up trucks, namely the flat-bottom container and the container with the convex rear hub package, can share parts, shorten the product development period, reduce the production cost, can meet different requirements of different customers, and increase the market competitiveness. And spacing support is an solitary part, can select different spacing support sizes for use to the tire envelopment of different motorcycle types, and the flexibility is high, is applicable to and carries out the flat ization transformation of packing box to multiple motorcycle types.

Drawings

FIG. 1 is a schematic structural view of the connection of a frame assembly, a rear axle assembly, a leaf spring, an elastic buffer block and a limit bracket according to the present invention;

FIG. 2 is a schematic diagram of the relative positions of the frame assembly, the rear axle assembly, the leaf spring, the elastic buffer block and the limit bracket of the present invention;

FIG. 3 is a bottom view of the spacing bracket of the present invention;

FIG. 4 is a right side view of FIG. 3;

FIG. 5 is a front view of the spacing bracket of the present invention;

FIG. 6 is a schematic view of the cargo box assembly of the present invention;

FIG. 7 is a bottom view of section A-A of FIG. 6;

FIG. 8 is a schematic structural view of a rear wheel cover member of the present invention;

FIG. 9 is a schematic structural view of the rear wheel cover patch of the present invention;

fig. 10 is a schematic view of a conventional cargo box;

FIG. 11 is a schematic cross-sectional view B-B of FIG. 10;

fig. 12 is a schematic view of the construction of the rear wheel house liner panel of a conventional cargo box;

FIG. 13 is a schematic view of the structure of the frame assembly, rear axle assembly, leaf spring and resilient bumper under the conventional cargo box.

Description of reference numerals: 1-cargo box assembly, 11-cargo box bottom plate, 12-cargo box side plate, 13-rear wheel cover component, 131-rear wheel cover longitudinal plate, 132-rear wheel cover transverse plate, 133-fuel pipe mounting bracket, 14-rear wheel cover liner plate, 2-vehicle frame assembly, 21-vehicle frame longitudinal beam, 3-rear axle assembly, 4-steel plate spring, 5-elastic buffer block, 6-limit bracket, 61-bracket bottom plate, 62-supporting side plate, 7-traditional cargo box and 71-rear wheel cover liner plate of traditional cargo box.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1-9, the cargo box mounting structure of a pickup truck in this embodiment includes a cargo box assembly 1, a frame assembly 2, a rear axle assembly 3 and two plate springs 4, the cargo box assembly 1 is connected to the frame assembly 2, the frame assembly 2 includes two frame rails 21, front and rear ends of the two plate springs 4 are respectively connected to the two frame rails 21, middle portions of the two plate springs 4 are respectively connected to left and right sides of the rear axle assembly 3, lower sides of the two plate springs 4 are both abutted to the rear axle assembly 3, middle portions of the two plate springs 4 are respectively provided with an upward protruding elastic buffer block 5, and lower sides of the two frame rails 21 are respectively provided with a limit bracket 6 for limiting an upper limit of bounce of the plate springs 4 at positions corresponding to the elastic buffer block 5; the cargo box assembly 1 is a flat bottom cargo box. When the vehicle runs, the steel plate spring 4 and the elastic buffer block 5 jump upwards, the limit bracket 6 can limit the upper limit of the jump of the steel plate spring 4 after being contacted with the elastic buffer block 5, thereby reducing the upper limit of tire envelope, further reducing the volume of the rear hub package, realizing that the traditional container 7 with the convex rear hub package shown in figures 10-13 is changed into a flat-bottom container, the flat-bottom container and the container with the convex rear hub package adopt the same frame assembly 2, a rear axle assembly 3 and the steel plate spring 4, the depth of the container does not need to be changed, only the limit bracket 6 needs to be added on the frame longitudinal beam 21, the whole change of the pickup truck is very small, the two pickup trucks of the flat-bottom container and the traditional container 7 can share parts, the product development period is shortened, the production cost is reduced, and different requirements of different customers can be met, increasing the market competitiveness. And spacing support 6 is an solitary part, can select different spacing support 6 sizes for use to the tire envelopment of different motorcycle types, and the flexibility is high, is applicable to and carries out the flat flattening transformation of packing box to multiple motorcycle types.

In this embodiment, as shown in fig. 3 to 5, the limit bracket 6 includes a bracket bottom plate 61 and a plurality of support side plates 62, the upper ends of the plurality of support side plates 62 are all connected to the frame rail 21, the lower ends of the plurality of support side plates 62 are all connected to the bracket bottom plate 61, and the lower surface of the bracket bottom plate 61 faces the upper surface of the elastic buffer block 5. The support bottom plate 61 can be a rectangular plate, the number of the supporting side plates 62 is four, the four supporting side walls are turned-ups arranged on the periphery of the rectangular plate, and the limiting support 6 is higher in integral structural strength.

In this embodiment, the distance between the lower surface of the bracket bottom plate 61 and the frame rail 21 is 10mm to 25 mm. The larger the distance between the lower surface of the bracket bottom plate 61 and the frame longitudinal beam 21 is, the better the limiting effect is, but the poorer the buffering and damping effects of the corresponding steel plate spring 4 are, and the driving comfort is sacrificed; however, the smaller the distance between the lower surface of the bottom plate of the spacing bracket 6 and the frame rail 21 is, the poorer the spacing effect is, which easily causes interference between the tire and the rear wheel cover member 13, and although the pickup truck equipped with the flat bottom cargo box is mainly used for transporting goods, the comfort is lower compared with the conventional pickup truck, but a reasonable value should be designed by combining two conditions of driving comfort and interference prevention, after the four-channel bench test instead of the integrated road test, if the tire with the specification of 265/65R17 is mounted on the rear axle assembly 3, the distance between the lower surface of the bracket bottom plate 61 and the frame rail 21 is preferably 25mm, and if the tire with the specification of 245/65R17 is mounted on the rear axle assembly 3, the distance between the lower surface of the bracket bottom plate 61 and the frame rail 21 is preferably 11 mm.

In this embodiment, the limiting bracket 6 is made of 510L steel, and the elastic buffer block 5 is made of rubber. The strength of the 510L steel is high, and the limit bracket 6 can be prevented from deforming after being impacted.

In this embodiment, as shown in fig. 6-9, the cargo box assembly 1 includes a cargo box bottom panel 11, two cargo box side panels 12, and two rear wheel house members 13, the two cargo box side panels 12 being respectively disposed on the left and right sides of the cargo box bottom panel 11; mounting holes for accommodating rear wheel cover members 13 are formed in positions of the cargo box bottom plate 11 and the cargo box side plates 12 corresponding to the tire envelopes; both rear wheel housing members 13 include a rear wheel housing longitudinal plate 131 connected to the bed side plate 12 and a rear wheel housing lateral plate 132 connected to the bed bottom plate 11. In the present embodiment, the upper side of the rear wheel house longitudinal plate 131 is connected to the bed side plate 12, the lower side of the rear wheel house longitudinal plate 131 is connected to the rear wheel house lateral plate 132, and the rear wheel house lateral plate 132 and the bed bottom plate 11 form a flat bottom structure. The flat-bottom container adopts a split structure, the conventional container 7 with the convex rear hub bag shown in figures 10-12 is changed into the flat-bottom container by changing the structure of the rear wheel cover member 13, the container bottom plate 11 and the container side plate 12 are commonly used for the flat-bottom container and the conventional container 7 with the convex rear hub bag, the product development period is further shortened, and the production cost is reduced.

In this embodiment, as shown in fig. 7, a cavity is formed between the rear wheel house longitudinal panel 131 and the cargo box side panel 12, and the rear wheel house liner 14 is installed in the cavity. The rear wheel house liner 71 of a conventional cargo box having a raised rear wheel house is located within the wheel house and the flat bottom cargo box does not have a wheel house, so the rear wheel house liner 14 is disposed within the cavity between the rear wheel house longitudinal panel 131 and the cargo box side panel 12.

In this embodiment, as shown in fig. 8, the rear wheel housing cross plate 132 is provided with a fuel pipe mounting bracket 133, and the fuel pipe mounting bracket 133 is located at the front or rear portion of the rear wheel housing cross plate 132. Since the spacing between the rear wheel house cross plate 132 and the tire envelope is reduced, the fuel pipe may interfere with the tire envelope, the spacing between the middle portion of the rear wheel house cross plate 132 and the tire envelope is smaller, and the spacing between the front or rear portion of the rear wheel house cross plate 132 and the tire envelope is larger, so the fuel pipe mounting bracket 133 may be disposed at the front or rear portion of the rear wheel house cross plate 132.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.