CN216101920U

CN216101920U - Tool box cover plate of heavy truck

Info

Publication number: CN216101920U
Application number: CN202122184146.4U
Authority: CN
Inventors: 汤佳; 邹志鹏
Original assignee: Styx Plastics Co ltd
Current assignee: Styx Plastics Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-03-22
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a tool box cover plate of a heavy truck, which comprises an outer plate and an inner plate which are arranged closely, wherein a thermoplastic bulge is arranged on one side of the outer plate adjacent to the inner plate, a bulge through hole is arranged on one side of the inner plate adjacent to the outer plate, the thermoplastic bulge is arranged in the bulge through hole in a penetrating manner, one end of the thermoplastic bulge, which is back to the outer plate, is a hot riveting end, and the hot riveting end is used for being in press fit with the inner plate. This heavy truck's toolbox apron is through wearing to establish protruding perforation on the inner panel with the heat plastic arch on the planking, and the end is riveted to heat plastic arch carries out the hot riveting welding, and the protruding back of warping is tightly detained on the inner panel to the messenger heat, realizes the fixed connection of inner panel and planking, need not glue and bolt, has not only reduced manufacturing cost but also guaranteed the steadiness that inner panel and planking are connected, prevents that the two from taking place not hard up to the structure of case lid has been strengthened.

Description

Tool box cover plate of heavy truck

Technical Field

The utility model relates to the technical field of tool automobile parts, in particular to a tool box cover plate of a heavy truck.

Background

Generally, a heavy truck is often required to be provided with a tool box on the truck, the tool box is specially used for placing maintenance tools so that the maintenance tools can be maintained in time when the vehicle breaks down in the driving process, and the tool box is usually provided with a cover plate for sealing the tool box so as to prevent the tool box from having the problems of water leakage, internal corrosion and the like.

Toolbox apron mostly comprises planking and inner panel bilayer structure, through glue or bolt fixed connection, but when adopting above-mentioned two kinds of connected modes, one of them, the used glue that additionally sets up bolt or bonding has increased the manufacturing cost of apron, two of it, when adopting bolt fixed, the bolt is not hard up easily or takes place the corrosion, and utilize glue bonding back, because the toolbox setting is outside at heavy truck, suffer external environment influence for a long time, and because receive the vibration influence of truck driving in-process, the easy not hard up break away from between inner panel and the planking between the two, the overall structure of apron has been influenced.

Accordingly, there is a need for an improved tool box cover for heavy trucks of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide the tool box cover plate of the heavy truck, which reduces the production cost and has a stable and reliable structure.

In order to realize the technical effects, the technical scheme of the utility model is as follows: the utility model provides a heavy truck's toolbox apron, includes planking and the inner panel that the next-door neighbour set up, the planking with one side that the inner panel is adjacent is provided with the thermal plastic arch, the inner panel with one side that the planking is adjacent is provided with protruding perforation, the thermal plastic arch is worn to locate in the protruding perforation, the thermal plastic arch is dorsad the one end of planking is the rivet hot end, the rivet hot end be used for with the inner panel is compressed tightly and is coordinated.

In above-mentioned technical scheme's the toolbox apron, in the protruding perforation of wearing to locate on the inner panel of heat-seal arch on the planking, when connecting planking and inner panel, only need heat plastic protruding in protruding fenestrate position instant heating rivet end and heat, make this part thermal deformation back, push down and press the one side of planking at the inner panel back of the body, after holding pressure a period, to the deformation position cooling, make its solidification to can be connected planking and inner panel. Compared with the mode of fixing by adopting bolts or glue in the prior art, the tool box cover plate saves the cost for fixedly connecting the inner plate and the outer plate, the deformation part of the thermoplastic bulge is not easily influenced by the environment, and the connection reliability of the inner plate and the outer plate is ensured, thereby strengthening the integral structure of the tool box cover plate.

Preferably, the thermoplastic protrusions are ABS thermoplastic protrusions.

By adopting the technical scheme, the production material of the thermoplastic bulge is limited to be ABS (acrylonitrile-butadiene-styrene), so that the thermoplastic bulge has high strength and good toughness and is easy to machine and form. In the ABS material, butadiene provides low-temperature ductility and impact resistance, acrylonitrile ensures the hardness, heat resistance, acid and alkali salt resistance and other chemical corrosion of the product, and styrene ensures that the product has certain hardness and the surface has smooth finish, so that after thermoplastic processing, the thermoplastic protrusions meet the requirements of aesthetic property, low temperature, mechanical property, heat resistance and weather resistance.

Preferably, the thermoplastic protrusions are provided in plurality.

By adopting the technical scheme, the number of the thermoplastic bulges is increased, so that the number of the connecting nodes of the inner plate and the outer plate is increased, and the connecting strength of the outer plate and the inner plate is ensured.

Preferably, the thermoplastic protrusions are cylindrical.

By adopting the technical scheme, the shape of the thermoplastic bulge is limited, the aesthetic property of the denatured part of the thermoplastic bulge after hot riveting and welding is ensured, the deformed thermoplastic bulge is uniformly contacted with the inner surface of the inner plate (namely the surface of the inner plate back to the outer plate), and the fastening connection of the outer plate and the inner plate after thermoplastic molding is ensured.

Preferably, the protruding through hole is a stepped hole, one end of the protruding through hole adjacent to the outer plate is a penetrating end, the other end of the protruding through hole is a penetrating end, and the size of the penetrating end is smaller than that of the penetrating end.

By adopting the technical scheme, after the hot riveting welding, the deformation part of the thermoplastic bulge is positioned in the part close to the penetrating end in the step hole, which is beneficial to ensuring the smoothness and the smoothness of the inner surface of the inner plate (namely the surface of the inner plate back to the outer plate).

Preferably, the cross section of the protrusion through hole is circular, and the axis of the protrusion through hole is coincident with the axis of the thermoplastic protrusion.

By adopting the technical scheme, after the thermoplastic bulge is subjected to thermal deformation, the deformation part can be uniformly filled in the bulge through hole and close to the through end, after the thermoplastic bulge is cooled and formed, the smooth smoothness and the smoothness of the inner surface of the inner plate can be ensured while the fixed connection between the outer plate and the inner plate is realized, the thermoplastic bulge can be uniformly arranged near the through end of the bulge through hole along the circumferential direction of the axis of the thermoplastic bulge, and the firm connection between the inner plate and the outer plate is ensured.

Preferably, the outer plate is integrally formed with the thermoplastic projection.

By adopting the technical scheme, the outer plate is made of the same material as the thermoplastic bulges, so that the outer plate has good fluidity in the processing process, the surface of the processed outer plate is smooth and has good finish, the outer plate is easy to color and spray, and the outer plate has impact resistance and corrosion resistance and meets various requirements.

Preferably, the inner panel is an SMC panel.

Through adopting above-mentioned technical scheme, the production material that has restricted the inner panel is SMC combined material for the inner panel has advantages such as ageing resistance, corrosion-resistant, insulating nature is strong, cold-resistant, fire-retardant, and has good waterproof sealing performance, compares in the metal inner panel in addition, still has slim and graceful characteristics.

Preferably, an interval is arranged between the outer plate and the inner plate, a connecting assembly is arranged in the interval, and two ends of the connecting assembly are respectively connected with the inner plate and the outer plate.

Through adopting above-mentioned technical scheme, utilize coupling assembling to make to have certain interval between inner panel and the planking, after the apron is heated the inflation, can hold the deformation inflation part of planking and inner panel in the interval, avoid both to laminate each other after the inflation mutually and extrude, lead to joint strength to reduce.

Preferably, coupling assembling with the protruding one-to-one is moulded to heat, coupling assembling including set up in bulge loop on the inner panel with set up in sand grip on the planking, the bulge loop with the coaxial core line of protruding perforation, the sand grip set up in the protruding periphery of moulding plastics and with bulge loop looks butt.

By adopting the technical scheme, the connecting assemblies correspond to the thermoplastic bulges one by one, and the convex rings are abutted against the convex strips, so that the spacing length between the inner plate and the outer plate is increased, and enough space for accommodating the expansion deformation of the inner plate and the outer plate is ensured; in addition, the convex ring and the convex through hole have the same axial lead, which is beneficial to realizing the positioning of the thermoplastic convex and strengthening the connection between the inner plate and the outer plate.

In summary, compared with the prior art, the tool box cover plate of the heavy truck has the advantages that the thermoplastic bulges on the outer plate are arranged in the bulge through holes on the inner plate in a penetrating manner, the hot riveting ends of the thermoplastic bulges are subjected to hot riveting welding, the thermoplastic bulges are buckled on the inner plate after being deformed, the inner plate is fixedly connected with the outer plate, glue and bolts are not needed, the production cost is reduced, the connection stability of the inner plate and the outer plate is ensured, the inner plate and the outer plate are prevented from being loosened, and the structure of the box cover is enhanced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded schematic view of FIG. 1;

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

FIG. 4 is a schematic structural view from another perspective of the present invention;

FIG. 5 is an exploded schematic view of FIG. 4;

FIG. 6 is an enlarged view of portion B of FIG. 5;

FIG. 7 is a schematic view of a portion of the structure of the present invention;

FIG. 8 is an enlarged view of section C of FIG. 7;

FIG. 9 is a schematic view of a hot rivet weld of the present invention;

in the figure: 1. the outer plate, 2, the inner plate, 3, the thermoplastic bulge, 4, the bulge perforation, 4a, the fine hole, 4b, the coarse hole, 5, the connecting assembly, 5a, the bulge loop, and 5b, the convex strip.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1-9, the toolbox cover plate of the heavy truck of the present invention comprises an outer plate 1 and an inner plate 2 which are parallel and closely arranged, wherein one side of the outer plate 1 adjacent to the inner plate 2 is provided with thermoplastic protrusions 3, the thermoplastic protrusions 3 have two circles, the thermoplastic protrusions 3 of the outer circle are uniformly distributed along the circumferential outer edge of the outer edge 1, and there are 12 in total, and the thermoplastic protrusions 3 of the inner circle are arranged on the inner side of the outer circle, and there are 5 in total. The thermoplastic bulges 3 and the outer plate 1 are made of ABS materials and are integrally connected, and the inner plate 2 is an SMC plate. One side that inner panel 2 and planking 1 are adjacent is provided with protruding perforation 4, protruding perforation 4 with heat mould protruding 3 one-to-one, heat mould protruding 3 wear to locate in its protruding perforation 4 that corresponds, heat mould protruding 3 one end of 1 outside the planking of back to be the hot riveting end, the hot riveting end is used for with inner panel 2 press fit.

In the tool box cover plate, the thermoplastic protrusions 3 on the outer plate 1 penetrate through the protrusion through holes 4 on the inner plate 2 and are in clearance fit with the protrusion through holes 4, when the outer plate 1 and the inner plate 2 are connected, only the parts (namely, hot riveting ends) protruding out of the protrusion through holes 4 on the thermoplastic protrusions 3 are required to be heated and deformed, and then the parts are buckled and pressed on the inner surface of the inner plate 2 (namely, one side of the inner plate 2 back to the outer plate 1, as shown in figure 9), and after the deformed parts of the thermoplastic protrusions 3 are cooled, the parts are formed on the inner surface of the inner plate 2, so that the inner plate 2 and the outer plate 1 are fixedly connected. Compare in traditional utilization bolt or glue fixed connection, this toolbox apron need not to use extra part and material, consequently practices thrift the cost to fixed shaping back, the not hard up phenomenon can not appear between inner panel 2 and the planking 1, has guaranteed the firm connection between inner panel 2 and the planking 1, has strengthened its structure, thereby has prolonged life.

In the tool box cover plate, the thermoplastic protrusions 3 are ABS thermoplastic protrusions, the outer plate 1 is an ABS thermoplastic outer plate, the ABS thermoplastic protrusions and the outer plate are made of the same material and are integrally connected and formed, and ABS is selected as a main production raw material. The ABS material, namely acrylonitrile-butadiene-styrene copolymer, is a thermoplastic high molecular structure material with high strength, good toughness and easy processing and forming, the main components of the material are butadiene, acrylonitrile and styrene, wherein the butadiene provides low-temperature ductility and impact resistance for the ABS material, the acrylonitrile provides chemical corrosion properties such as hardness, heat resistance, acid and alkali salts resistance for the ABS material, the styrene provides hardness for the ABS material and guarantees the fluidity during processing and production and the smoothness of the product surface, thereby facilitating the thermal forming of the thermoplastic bulge 3, ensuring the flow uniformity, enabling the thermoplastic bulge to be uniformly contacted with the inner plate 2 after being formed and cooled, ensuring the firm connection between the inner plate 2 and the outer plate 1, enabling the surface of the outer plate 1 produced by adopting the material to have good smoothness, and being easy to color, spray and the like for secondary processing, and enabling the outer plate 1 to have impact resistance and corrosion resistance, meet the use requirements of various aspects such as beautiful appearance, low odor, mechanical property, heat resistance, weather resistance and the like.

And inner panel 2 is the SMC board, has restricted its raw materials for production to SMC combined material, and this combined material has ageing resistance, corrosion-resistant, insulating nature is strong, cold-resistant, fire-retardant, waterproof technical advantage such as, and the density of this material is less than metal material in addition, therefore makes the overall structure of apron lighter under guaranteeing certain intensity behind the inner panel 2 for the SMC board.

Thermoplastic protrusion 3 is provided with two circles seventeen altogether, thermoplastic protrusion 3 and protruding perforation 4 one-to-one, adopt above-mentioned mode, increased thermoplastic protrusion 3 and protruding perforation 4's quantity to make thermoplastic protrusion 3 and protruding perforation 4 evenly distributed respectively on planking 1 and inner panel 2, thereby guarantee that each thermoplastic protrusion 3 hot riveting welding warp after, planking 1 and inner panel 2 are connected the effort unanimously everywhere, thereby has strengthened planking 1 and inner panel 2's being connected. The number of the thermoplastic protrusions 3 and the protrusion through holes 4 may be other numbers, and the distribution forms may be the same, according to the specific size and shape of the toolbox cover plate, and the technical effect of enhancing the connection strength between the inner plate 2 and the outer plate 1 can be achieved similarly.

As shown in fig. 3 and 8, the thermoplastic projection 3 is cylindrical, and has an inner diameter of 5mm and an outer diameter of 7 mm; the protruding through hole 4 is a stepped hole, one end of the protruding through hole 4 adjacent to the outer plate 1 is a penetrating end, the other end of the protruding through hole is a penetrating end, and the size of the penetrating end is smaller than that of the penetrating end; the bulge through hole 4 comprises a fine hole 4a and a coarse hole 4b which are sequentially distributed in the axial lead direction, the fine hole 4a is communicated with one side of the coarse hole 4b adjacent to the outer plate 1, one end of the fine hole 4a communicated with the coarse hole 4b is arranged on the inner side of the coarse hole 4b, the fine hole 4a and the coarse hole 4b are both cylindrical, and the axial lead of the fine hole 4a and the axial lead of the coarse hole 4b are superposed with the axial lead of the thermoplastic bulge 3; wherein the pore diameter of the fine pore 4a is 8.31mm, the pore diameter of the coarse pore is 15.76mm, and the depth is 1 mm; the length of the part of the thermoplastic projections 3 protruding from the fine holes 4a is 9 mm.

After adopting above-mentioned design, the external diameter of thermoplastic arch 3 is less than the internal diameter of pore 4a, makes things convenient for thermoplastic arch 3 to pass pore 4a to the convenient relative position who adjusts inner panel 2 and planking 1. After the adjustment is finished, the hot riveting end of the heat-sealing bulge 3 is heated, so that the part is heated and deformed to form an annular structure (shown in fig. 9) which is accommodated in the thick hole 4b and is abutted against the end part of the thin hole 4a, the flatness of the inner surface of the inner plate 2 after the hot riveting welding is ensured, and the deformed part of the thermoplastic bulge 3 is prevented from protruding out of the inner surface of the inner plate 2, so that the part of the tool box is occupied, and the capacity of the tool box and the shape of the inner surface of the inner plate 2 are influenced; the fine holes 4a, the coarse holes 4b and the thermoplastic bulges 3 have coincident axial leads, so that the annular structure of the thermoplastic bulges 3 after being heated and deformed keeps the same axial lead with the fine holes 4a and the coarse holes 4b, the deformed annular structure is ensured to be tightly buckled on the inner plate 2, and the connection between the outer plate 1 and the inner plate 2 is enhanced.

As shown in fig. 7 and 8, a gap is formed between the outer plate 1 and the inner plate 2, a connecting assembly 5 is arranged in the gap, and two ends of the connecting assembly 5 are respectively connected with the inner plate 2 and the outer plate 1; coupling assembling 5 and thermoplastic protruding 3 one-to-one, coupling assembling 5 is including setting up bulge loop 5a on inner panel 2 and setting up the sand grip 5b on planking 1, and bulge loop 5a and the coaxial core line of protruding perforation 4, sand grip 5b set up in thermoplastic protruding 3's periphery and with bulge loop 5a looks butt.

When carrying out production, be close to inner panel 2 and planking 1 each other, make bulge loop 5a on the inner panel 2 support and lean on sand grip 5b on planking 1, meanwhile thermoplastically protruding 3 passes protruding perforation 4, there is the interval this moment between inner panel 2 and the planking 1, heat protruding 3's bulge to thermoplasticity under this state, realize the hot rivet welding, guarantee to have the interval all the time between inner panel 2 and the planking 1, so after the toolbox apron is heated, the space at interval place conveniently holds the partial bulging deformation of inner panel 2 and planking 1, avoid both to cause extrusion each other and appear not hard up after laminating mutually, so guaranteed the joint strength of inner panel 2 and planking 1. The connecting assembly 5 comprises a convex ring 5a and a protrusion 5b which are connected in an abutting mode, the spaced distance is guaranteed, the convex ring 5a and the protrusion through hole 4 are coaxial, and the positioning of the thermoplastic protrusion 3 is facilitated, so that when the inner plate 2 and the outer plate 1 are connected conveniently, the inner plate and the outer plate are aligned, hot riveting welding is carried out on the portion, protruding out of the protrusion through hole 4, of the thermoplastic protrusion 3, and the connecting strength of the outer plate 1 and the inner plate 2 is enhanced.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A tool box cover plate of a heavy truck comprises an outer plate (1) and an inner plate (2) which are arranged closely, and is characterized in that:

the outer plate (1) and one side adjacent to the inner plate (2) are provided with thermoplastic protrusions (3), the inner plate (2) and one side adjacent to the outer plate (1) are provided with protrusion through holes (4), the thermoplastic protrusions (3) penetrate through the protrusion through holes (4), one end of the outer plate (1) is back to the thermoplastic protrusions (3) and is a hot riveting end, and the hot riveting end is used for being in press fit with the inner plate (2).

2. The tool box cover panel for a heavy truck according to claim 1, wherein: the thermoplastic protrusions (3) are ABS thermoplastic protrusions (3).

3. The tool box cover panel for a heavy truck according to claim 1, wherein: the thermoplastic bulges (3) are provided with a plurality of bulges.

4. The tool box cover panel for a heavy truck according to claim 1, wherein: the thermoplastic bulges (3) are cylindrical.

5. The tool box cover panel for a heavy truck according to claim 4, wherein: the protruding through holes (4) are stepped holes, one ends, adjacent to the outer plate (1), of the protruding through holes (4) are penetrating ends, the other ends of the protruding through holes are penetrating ends, and the size of the penetrating ends is smaller than that of the penetrating ends.

6. The tool box cover panel for a heavy truck according to claim 5, wherein: the cross section of the protrusion through hole (4) is circular, and the axis of the protrusion through hole (4) is coincided with the axis of the thermoplastic protrusion (3).

7. The tool box cover panel for a heavy truck according to claim 2, wherein: the outer plate (1) and the thermoplastic bulges (3) are integrally formed.

8. The tool box cover panel for a heavy truck according to claim 1, wherein: the inner plate (2) is an SMC plate.

9. The tool box cover panel for a heavy truck according to claim 1, wherein: planking (1) with be provided with the interval between inner panel (2), be provided with coupling assembling (5) in the interval, the both ends of coupling assembling (5) respectively with inner panel (2) with planking (1) are connected.

10. The tool box cover panel for a heavy truck according to claim 9, wherein: coupling assembling (5) with thermoplastic protruding (3) one-to-one, coupling assembling (5) including set up in bulge loop (5 a) on inner panel (2) with set up in sand grip (5 b) on planking (1), bulge loop (5 a) with protruding perforation (4) are with the same axial lead, sand grip (5 b) set up in the periphery of thermoplastic protruding (3) and with bulge loop (5 a) looks butt.