CN217170823U - Truck and reinforcing structure of body floor thereof - Google Patents

Abstract

The utility model relates to a truck and reinforcing structure of automobile body floor thereof, be equipped with main driving seat connecting hole and copilot seat connecting hole on the automobile body floor, the reinforcing structure of automobile body floor is including fixing on the automobile body floor, and around main driving seat connecting hole and copilot seat connecting hole set up the reinforcement crossbeam. Like this, use the additional strengthening on this automobile body floor for it is convenient to switch when being applied to N1 and N2 class motorcycle type with the automobile body of money, and the automobile body commonality is high, and the cost is lower, and this additional strengthening is guaranteeing under the prerequisite that automobile body floor connecting hole department is not cracked, is not pulled off, displacement deformation when can effectively restraining safety belt fixed point intensity test, has promoted the security of safety belt.

Description

Truck and reinforcing structure of body floor thereof

Technical Field

The disclosure relates to the technical field of automobiles, in particular to a truck and a reinforcing structure of a body floor of the truck.

Background

With the importance of people on the safety of automobiles, relevant regulations are more and more strict. Generally, the safety belts of the driving seat and the auxiliary driving seat of the truck adopt three-point type safety belts, and for the type of the safety belts, when a strength test of a fixed point of the safety belts is carried out, the type N1 requires that the upper human body module and the lower human body module are loaded with 13.5kN loads at the same time, the type N2 only requires that the upper human body module and the lower human body module are loaded with 6.75kN loads at the same time, and the difference between the types is large. In addition, because the development cost of the commercial vehicle body is high, one vehicle body is generally applied to a plurality of platforms, and if the scheme of the N1 type vehicle body is used, the vehicle body has excessive strength when being used for the N2 type vehicle; if the scheme of the N2 type vehicle body is used, the vehicle body is difficult to meet the requirements of regulations when used for the N1 type vehicle, and the development of two types of vehicle bodies is not practical and has huge cost.

The inboard fixed point of bikini safety belt generally lies in seat frame or floor, and its impetus is automobile body floor, and floor part is 0.8 mm's sheet metal spare usually, if will satisfy the law requirement, need do more enhancement usually, present additional strengthening can only guarantee that floor safety belt fixed point impetus department does not break, does not pull off, can not better restriction deformation displacement, if deformation displacement is great, the phenomenon that unexpected tear, open welding or personnel deviate from will appear in the automobile body spare, threaten the security, and be difficult to satisfy the law test procedure.

SUMMERY OF THE UTILITY MODEL

The first purpose of this disclosure is to provide a vehicle body floor's additional strengthening, this vehicle body floor's additional strengthening can make the vehicle body floor whole atress, has reduced the deformation displacement of vehicle body floor and the tearing of fixed point and has pulled off the risk, promotes the security.

A second object of the present disclosure is to provide a truck using the reinforcing structure of the vehicle body floor provided by the present disclosure.

In order to achieve the above object, the present disclosure provides a reinforcing structure of a vehicle body floor, which is provided with a main driver seat connection hole and a passenger seat connection hole, and includes a reinforcing cross member fixed on the vehicle body floor and disposed around the main driver seat connection hole and the passenger seat connection hole.

Optionally, a first reinforcing plate is arranged around the main driver seat connecting hole, a second reinforcing plate is arranged around the front driver seat connecting hole, the first reinforcing plate and the second reinforcing plate are fixed to the vehicle body floor at intervals in the width direction of the vehicle, and the reinforcing cross beam is fixedly connected between the first reinforcing plate and the second reinforcing plate.

Optionally, two ends of the reinforcing beam are respectively welded to the first reinforcing plate and the second reinforcing plate.

Optionally, at least one of the first reinforcement plate and the second reinforcement plate is further connected with the reinforcement beam by a threaded fastener.

Optionally, the reinforcing cross member includes a U-shaped plate extending in the vehicle width direction and having an opening facing the vehicle body floor, and flanges formed at both ends of the U-shaped plate and respectively covering the first reinforcing plate and the second reinforcing plate.

Optionally, a gap is provided between the open end of the U-shaped plate and the vehicle body floor.

Optionally, the first reinforcing plate and the second reinforcing plate are respectively bent in a zigzag manner and are attached to and fixed to the bottom end of the vehicle body floor, and the flanges at the two ends of the U-shaped plate are respectively attached to and fixed to the bottom ends of the first reinforcing plate and the second reinforcing plate.

Optionally, the first reinforcing plate and the second reinforcing plate are respectively welded to a bottom end of the vehicle body floor.

Optionally, the thickness of the reinforcing beam is 1-1.5 mm.

According to a second aspect of the present disclosure, there is also provided a truck including the reinforcing structure of a vehicle body floor provided by the present disclosure.

Through above-mentioned technical scheme, guaranteeing under the general prerequisite of automobile body spare part, strengthening beam sets up around main driving seat connecting hole and front passenger seat connecting hole, and when safety belt fixed point strength test loading, strengthening beam formed the support, made the whole atress in rear portion floor, and the atress is even, greatly reduced the deformation displacement on automobile body floor, reduced simultaneously connecting hole department tear with draw and take off the risk. Use this automobile body floor's additional strengthening for it is convenient to switch when being applied to N1 and N2 type motorcycle type with the automobile body of money, and the automobile body commonality is high, and the cost is lower, and this additional strengthening is guaranteeing under the prerequisite that automobile body floor connecting hole department did not fracture, did not pull off, displacement deformation when can effectively restrain the fixed point intensity of safety belt and test, has promoted the security of safety belt.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a structural view illustrating a structure in which a reinforcing structure of a vehicle body floor provided in an exemplary embodiment of the present disclosure is installed on the floor;

FIG. 2 is a partial schematic view of A of FIG. 1;

FIG. 3 is a schematic structural view of a reinforcing structure of a vehicle body floor provided in an exemplary embodiment of the present disclosure;

FIG. 4 is a structural schematic view of another angle of a reinforcing structure of a vehicle body floor provided by an exemplary embodiment of the present disclosure;

FIG. 5 is a schematic structural view of a reinforcing cross member in a reinforcing structure of a vehicle body floor provided in an exemplary embodiment of the present disclosure;

FIG. 6 is a structural schematic view of another angle of a reinforcing cross member in the reinforcing structure of the vehicle body floor provided in an exemplary embodiment of the present disclosure;

FIG. 7 is a bottom view of a reinforcing cross member in the reinforcing structure of a vehicle body floor provided in an exemplary embodiment of the present disclosure;

fig. 8 is a front view of a reinforcing cross member in a reinforcing structure of a vehicle body floor provided in an exemplary embodiment of the present disclosure.

Description of the reference numerals

1 vehicle body floor 11 Main driver seat attachment hole

12 first reinforcing plate of front passenger seat connecting hole 21

22 second stiffening plate 23 stiffening the cross-beam

231U-shaped plate 232 flange

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In this disclosure, directional terms such as "upper, lower, top, and bottom" are used generally to correspond to directions of a vehicle, unless otherwise stated. In addition, the terms "first, second, and the like" used in the embodiments of the present disclosure are for distinguishing one element from another, and have no order or importance. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated.

The fixing points on the inner sides of the main driving safety belt and the auxiliary driving safety belt are located on the floor of the vehicle body, the fixing points are far away from the boundary of the vehicle body, strong structural parts do not adhere to the fixing points, if the fixing points are lapped at the positions of a rear wall and the like, the general reinforcing structure cannot limit displacement deformation during loading of the strength test of the fixing points of the safety belts, and the vehicle body is likely to be torn or welded.

In view of this, as shown in fig. 1 to 8, the present disclosure provides a reinforcing structure of a vehicle body floor, in which a main driver seat attachment hole 11 and a passenger seat attachment hole 12 are provided on a vehicle body floor 1, the reinforcing structure of the vehicle body floor including a reinforcing cross member 23 fixed on the vehicle body floor 1 and disposed around the main driver seat attachment hole 11 and the passenger seat attachment hole 12. Here, the main driver seat attachment hole 11 and the passenger seat attachment hole 12 are used for attaching a main driver seat and a passenger seat, respectively, and a seat belt is attached to the bottom of the side of the seat, and after the original vehicle body satisfies the strength requirement of the seat belt attachment point of the N2 vehicle type, in order to satisfy the requirement of the N1 vehicle type on the premise of a general vehicle body, the reinforcing cross beam 23 is connected around the main driver seat attachment hole 11 and the passenger seat attachment hole 12 on the vehicle body floor 1, so that the rear floor is integrated by force, therefore, when the vehicle body is used for the N1 vehicle type, the legislation requirement can be satisfied by adding the reinforcing cross beam 23 only, and when the vehicle body is used for the N2 vehicle type, the reinforcing cross beam 23 only needs to be removed. The reinforcing structure of the vehicle body floor can meet the requirement that a vehicle body is convenient to be used commonly on N1 and N2 vehicle types, and can effectively reinforce the strength of the main driving seat connecting hole 11 and the assistant driving seat connecting hole 12 on the vehicle body floor 1. Even if the load of the belt fixing point strength test of the type N1 is twice that of the type N2, the vehicle body floor reinforcing structure can greatly restrict the deformation displacement of the vehicle body floor 1 and reduce the risk of tearing and pulling off at the main driver seat attachment hole 11 and the passenger seat attachment hole 12 on the vehicle body floor 1. Note that the model type N1 refers to a cargo vehicle having a maximum total design mass of not more than 3500kg, and the model type N2 refers to a cargo vehicle having a maximum total design mass of not more than 12000kg, although not more than 3500 kg.

Through above-mentioned technical scheme, guaranteeing under the general prerequisite of automobile body spare part, strengthening beam sets up around main driving seat connecting hole and copilot seat connecting hole, and when safety belt fixed point strength test loading, strengthening beam forms the support, makes the whole atress in rear portion floor, and the atress is even, greatly reduced automobile body floor's deformation displacement, reduced simultaneously the tearing of connecting hole department and pulled off the risk. Use this automobile body floor's additional strengthening for it is convenient to switch when being applied to N1 and N2 type motorcycle type with the automobile body of money, and the automobile body commonality is high, and the cost is lower, and this additional strengthening is guaranteeing under the prerequisite that automobile body floor connecting hole department did not fracture, did not pull off, displacement deformation when can effectively restrain the fixed point intensity of safety belt and test, has promoted the security of safety belt.

Referring to fig. 2, a first reinforcing plate 21 is provided around the main driver seat attachment hole 11, a second reinforcing plate 22 is provided around the passenger seat attachment hole 12, the first reinforcing plate 21 and the second reinforcing plate 22 are fixed to the vehicle body floor 1 at intervals in the width direction of the vehicle, and a reinforcing cross member 23 is fixedly connected between the first reinforcing plate 21 and the second reinforcing plate 22. The first reinforcing plate 21 and the second reinforcing plate 22 are arranged to meet the requirement of a safety belt fixing point of an N2 vehicle type, the first reinforcing plate 21 and the second reinforcing plate 22 are connected through the reinforcing cross beam 23 to form a cross beam lap joint, stress of a rear floor is integrated, deformation displacement of the vehicle body floor 1 is reduced, and meanwhile, the risk of tearing and pulling-off of the vehicle body floor 1 is reduced.

In the embodiment of the present disclosure, both ends of the reinforcing beam 23 may be welded to the first reinforcing plate 21 and the second reinforcing plate 22, respectively, and the connection strength between the reinforcing beam 23 and the first reinforcing plate 21 and the second reinforcing plate 22 can be effectively ensured. The "both ends of the reinforcing beam 23" mentioned above and the "both ends of the U-shaped plate 231" mentioned below, that is, both ends of the reinforcing beam 23, the U-shaped plate 231 in the vehicle width direction, respectively, can refer to both left and right ends in the drawing direction of fig. 7.

Further, at least one of the first reinforcement plate 21 and the second reinforcement plate 22 may also be connected with the reinforcement beam 23 by a threaded fastener. Like this, the both ends of strengthening beam 23 adopt welding mode to be connected to automobile body floor 1 to, its at least one end spiro union is to safety belt fixed point department, in order to guarantee when safety belt fixed point strength test loading, can not be pulled to open and weld and drop, has avoided automobile body floor to tear, open and weld and has pulled off the risk. The threaded fasteners may be bolts, screws, etc.

As an exemplary embodiment of the present disclosure, referring to fig. 3, the reinforcing beam 23 may include a U-shaped plate 231 extending in the vehicle width direction and opening toward the vehicle body floor 1, and beads 232 formed at both ends of the U-shaped plate 231 and respectively coated on the first reinforcing plate 21 and the second reinforcing plate 22. Configuring the reinforcing beam 23 in a U-shape can increase the support strength to form good support between the main driver seat attachment hole 11 and the passenger seat attachment hole 12. The shapes of the reinforcing plate and the flange 232 need to be adaptively designed according to the shape of the vehicle body floor 1, so that the flange 232 is coated on the reinforcing plate and is fixedly connected.

Further, referring to fig. 2, a gap may be formed between the open end of the U-shaped plate 231 and the vehicle body floor 1, so as to facilitate adding or removing the reinforcing beam 23, and when the vehicle types N1 and N2 are switched, only the connection between the two ends of the reinforcing beam 23 and the reinforcing plate needs to be established or removed, so that the assembly and disassembly are convenient.

Specifically, referring to fig. 3 and 4, the vehicle body floor 1 near the fixing point is arranged in a zigzag manner, the first reinforcing plate 21 and the second reinforcing plate 22 are respectively bent in a zigzag manner to correspond to the vehicle body floor 1, so that the reinforcing plates are attached and fixed to the bottom end of the vehicle body floor 1, and the flanges 232 at both ends of the U-shaped plate 231 are respectively attached and fixed to the bottom ends of the first reinforcing plate 21 and the second reinforcing plate 22. In the embodiment of the present disclosure, as shown in fig. 3, two ends of the bottom plate surface of the U-shaped plate 231 are respectively formed with a flange 232 which is arranged in a direction close to the horizontal direction and extends along the vehicle width direction, two ends of the side plate surface of the U-shaped plate 231 are respectively formed with a flange 232 which is bent backwards to be arranged in a direction close to the vertical direction and extends along the vehicle length direction, and in addition, one end of one of the side plate surfaces of the U-shaped plate 231 can be bent to be formed with a flange 232 which is arranged in a direction close to the horizontal direction for being screwed with the vehicle body floor 1. Further, the sizes of the first reinforcing plate 21 and the second reinforcing plate 22 may be designed according to actual strength requirements, and in the embodiment of the present disclosure, the reinforcing plates may meet the requirements of the N2 type vehicle.

According to an embodiment of the present disclosure, the first reinforcing plate 21 and the second reinforcing plate 22 may be welded to the bottom end of the vehicle body floor 1, the first reinforcing plate 21 and the second reinforcing plate 22 are completely attached to the connecting holes of the vehicle body floor 1 to perform a reinforcing function, and then the main driving seat connecting hole 11 and the front passenger seat connecting hole 12 are overlapped by the reinforcing beam 23, so that the vehicle body floor 1 is integrated with stress, plate shape deformation occurs in a limited manner to a great extent, and the risk of tearing and pulling-off of the vehicle body floor 1 is reduced.

Specifically, the thickness of reinforcement beam 23 can be 1 ~ 1.5mm, specifically, can select 1.2mm, and through experimental the conclusion, with reinforcement beam 23 design for above-mentioned thickness, can satisfy the intensity requirement of safety belt fixed point. Further, the material of the reinforcing beam 23 may be stainless steel.

According to the second aspect of the present disclosure, there is also provided a truck including the above-described reinforcing structure for a vehicle body floor, which has all the advantages of the above-described reinforcing structure for a vehicle body floor, and which will not be described herein again.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. The reinforcing structure of the vehicle body floor is characterized in that a main driving seat connecting hole (11) and a passenger seat connecting hole (12) are formed in the vehicle body floor (1), and the reinforcing structure of the vehicle body floor comprises a reinforcing cross beam (23) which is fixed on the vehicle body floor (1) and is arranged around the main driving seat connecting hole (11) and the passenger seat connecting hole (12).

2. The vehicle body floor reinforcement structure according to claim 1, wherein a first reinforcement plate (21) is provided around the main driver seat attachment hole (11), a second reinforcement plate (22) is provided around the passenger seat attachment hole (12), the first reinforcement plate (21) and the second reinforcement plate (22) are fixed to the vehicle body floor (1) at intervals in a vehicle width direction, and the reinforcement cross member (23) is fixedly connected between the first reinforcement plate (21) and the second reinforcement plate (22).

3. The vehicle body floor reinforcing structure according to claim 2, wherein both ends of the reinforcing cross member (23) are welded to the first reinforcing plate (21) and the second reinforcing plate (22), respectively.

4. The reinforcing structure of a vehicle body floor according to claim 3, wherein at least one of the first reinforcing plate (21) and the second reinforcing plate (22) is further connected to the reinforcing cross member (23) by a threaded fastener.

5. The vehicle body floor reinforcing structure according to claim 2, wherein the reinforcing cross member (23) includes a U-shaped plate (231) extending in the vehicle width direction and opening toward the vehicle body floor (1), and flanges (232) formed at both ends of the U-shaped plate (231) and respectively covering the first reinforcing plate (21) and the second reinforcing plate (22).

6. The vehicle body floor reinforcing structure according to claim 5, wherein a gap is provided between the open end of the U-shaped plate (231) and the vehicle body floor (1).

7. The vehicle body floor reinforcing structure according to claim 5, wherein the first reinforcing plate (21) and the second reinforcing plate (22) are respectively bent in a zigzag shape and are attached and fixed to the bottom end of the vehicle body floor (1), and the flanges (232) at both ends of the U-shaped plate (231) are respectively attached and fixed to the bottom ends of the first reinforcing plate (21) and the second reinforcing plate (22).

8. The reinforcing structure of a vehicle body floor according to claim 2, wherein the first reinforcing plate (21) and the second reinforcing plate (22) are welded to a bottom end of the vehicle body floor (1), respectively.

9. The vehicle body floor reinforcement structure according to claim 1, wherein the reinforcement cross member (23) has a thickness of 1 to 1.5 mm.

10. A truck characterized by comprising the reinforcement structure of a vehicle body floor according to any one of claims 1 to 9.

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