An integrally formed floor structure for a commercial vehicle

Abstract

The utility model provides a kind of business car integrally formed floor structure, it is related to business car integrally formed floor structure technical field, including vehicle chassis main body, the top of vehicle chassis main body is equipped with transverse reinforcing rib, and the bottom of transverse reinforcing rib is welded with the top of vehicle chassis main body, transverse reinforcing rib and longitudinal reinforcing rib are equipped with in the top of vehicle chassis main body, and the bottom of floor main body is equipped with transverse slot and longitudinal slot, transverse slot and longitudinal slot are embedded with transverse reinforcing rib and longitudinal reinforcing rib, and transverse and longitudinal reinforcing rib form grid-like support structure, embedded connection with floor main body, so that the overall torsion resistance, bending performance of floor is greatly improved, can better withstand the weight of people, goods in vehicle and dynamic load in vehicle driving, reinforcing rib and floor main body are embedded by slot, avoid the local stress concentration problem of traditional welding or bolt connection, reduce cracking after long-term use, prolong the service life of floor.

Description

Technical Field

[0001] This utility model relates to the technical field of integrated molded floor structure for commercial vehicles, and in particular to an integrated molded floor structure for commercial vehicles. Background Technology

[0002] According to Chinese Patent Publication No. CN209888944U, this utility model provides an integrated automotive floor structure, including a front floor, a middle floor, and a rear floor. The front floor and the middle floor are spliced ​​together, and the middle floor and the rear floor are spliced ​​together. The splicing structure consists of an inwardly recessed insert and an outwardly protruding insert ridge matching the shape of the insert. The insert and insert ridge are respectively located at the splice seam of adjacent floor pieces. The front floor and the middle floor have at least three seat guide rail grooves, and the splice seam of adjacent floor pieces also has at least one limiting groove. The connection is achieved by embedding a groove connecting piece and using fixing elements. This integrated automotive floor is very easy to install, lightweight, and does not generate much noise, making it suitable for floor modifications in various commercial vehicles.

[0003] The aforementioned prior art and related documents have the following technical problems:

[0004] Existing commercial vehicle floor structures are typically made up of multiple panels, which suffer from problems such as insufficient structural strength, poor sealing, and complex installation, affecting the overall performance and passenger comfort of the vehicle. Utility Model Content

[0005] The purpose of this utility model is to address the shortcomings of existing technologies by proposing an integrated floor structure for commercial vehicles.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a one-piece molded floor structure for commercial vehicles, comprising a vehicle chassis body, wherein the top of the vehicle chassis body is provided with a transverse reinforcing rib, and the bottom of the transverse reinforcing rib is welded to the top of the vehicle chassis body; the top of the vehicle chassis body is provided with a longitudinal reinforcing rib, and the top of the longitudinal reinforcing rib is rounded; the top of the transverse reinforcing rib is provided with a floor body; the top of the floor body is provided with eight positioning holes, and the eight positioning holes are arranged in a matrix; the top of the positioning holes is provided with a seat positioner.

[0007] Preferably, the top of the vehicle chassis body is provided with a limiting groove around its perimeter, and the limiting groove is cut and has a depth of ten millimeters.

[0008] Preferably, the floor body has wiring cavities on both sides, and the wiring cavities are arranged in a matrix, with the interior of the wiring cavities being cut.

[0009] Preferably, the bottom of the floor body is provided with a sealing strip, and the top of the sealing strip is glued to the bottom of the floor body.

[0010] Preferably, the top of the seat locator is provided with two positioning bolts, and the tops of the two positioning bolts are rounded.

[0011] Preferably, the bottom of the floor body is provided with a horizontal slot, and the horizontal slot is cut and the depth of the horizontal slot is ten millimeters.

[0012] Preferably, the bottom of the floor body is provided with a longitudinal slot, and the longitudinal slot and the longitudinal reinforcing rib are fitted together.

[0013] Beneficial effects

[0014] In this invention, a transverse and longitudinal reinforcing rib is provided on the top of the vehicle chassis body, and a transverse and longitudinal slot is provided on the bottom of the floor body. The transverse and longitudinal slots are fitted with the transverse and longitudinal reinforcing ribs, forming a grid-like support structure. With the fitment connection with the floor body, the overall torsional and bending resistance of the floor is greatly improved, which can better bear the weight of the people and goods in the vehicle and the dynamic load during vehicle movement. The reinforcing ribs and the floor body are fitted with slots, avoiding the local stress concentration problem of traditional welding or bolt connection, reducing the risk of cracking and deformation after long-term use, and extending the service life of the floor.

[0015] In this invention, a sealing strip is provided at the bottom of the floor body, and a limiting groove is provided around the top of the vehicle chassis body. The sealing strip is fitted into the limiting groove. The sealing strip is located at the edge of the floor body and is used to improve the sealing performance at the connection between the floor body and the vehicle body. The tight fit between the sealing strip and the limiting groove forms a continuous sealing barrier, which can prevent rainwater, road water, mud and sand from entering the vehicle through the connection gap between the floor and the chassis. This avoids water accumulation, rust or dust buildup under the floor of the vehicle, and is especially suitable for the use needs of commercial vehicles in complex road conditions. The limiting groove plays a guiding and positioning role for the fitting of the sealing strip. During assembly, the sealing strip can be aligned with the gap without precise calibration, reducing the difficulty of manual operation and improving the assembly efficiency of the production line. Attached Figure Description

[0016] Figure 1 This is an exploded view of the present invention;

[0017] Figure 2 This is an exploded view of the present invention from below;

[0018] Figure 3 This is an isometric view of the present invention;

[0019] Figure 4 This is a top view of the present invention.

[0020] Legend:

[0021] 1. Vehicle chassis main body; 2. Limiting groove; 3. Lateral reinforcing rib; 4. Longitudinal reinforcing rib; 5. Floor main body; 6. Positioning hole; 7. Seat positioner; 8. Positioning bolt; 9. Sealing strip; 10. Wiring cavity; 11. Lateral slot; 12. Longitudinal slot. Detailed Implementation

[0022] To make the technical means, creative features, and achieved objectives and effects of this utility model easier to understand, the present utility model is further described below with reference to specific embodiments and accompanying drawings. However, the following embodiments are merely preferred embodiments of this utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments described in the implementation plan without creative effort are all within the protection scope of this utility model.

[0023] The specific embodiments of this utility model are described below with reference to the accompanying drawings. Specific Implementation Example 1:

[0025] Reference Figure 1-4A one-piece molded floor structure for a commercial vehicle includes a vehicle chassis body 1. The top of the vehicle chassis body 1 has transverse reinforcing ribs 3, and the bottom of the transverse reinforcing ribs 3 is welded to the top of the vehicle chassis body 1. A limiting groove 2 is provided around the top of the vehicle chassis body 1, and the limiting groove 2 is cut to a depth of ten millimeters. Wiring cavities 10 are provided on both sides of the floor body 5, and the wiring cavities 10 are arranged in a matrix. The interior of the wiring cavities 10 is cut. A sealing strip 9 is provided at the bottom of the floor body 5, and the top of the sealing strip 9 is glued to the bottom of the floor body 5. The top of the seat positioner 7... The floor body 5 is provided with two positioning bolts 8, and the tops of the two positioning bolts 8 are rounded. The bottom of the floor body 5 is provided with a horizontal slot 11, and the horizontal slot 11 is cut. The depth of the horizontal slot 11 is 10 mm. The bottom of the floor body 5 is provided with a vertical slot 12, and the vertical slot 12 and the vertical reinforcing rib 4 are fitted together. The top of the vehicle chassis body 1 is provided with a vertical reinforcing rib 4, and the top of the vertical reinforcing rib 4 is rounded. The floor body 5 is located on the top of the horizontal reinforcing rib 3. The top of the floor body 5 is provided with eight positioning holes 6, and the eight positioning holes 6 are arranged in a matrix. The top of the positioning holes 6 is provided with a seat positioner 7. A transverse reinforcing rib 3 and a longitudinal reinforcing rib 4 are provided on the top of the vehicle chassis body 1, and a transverse slot 11 and a longitudinal slot 12 are provided on the bottom of the floor body 5. This allows the transverse slots 11 and 12 to be fitted with the transverse reinforcing ribs 3 and 4, forming a grid-like support structure. This, combined with the fitted connection to the floor body 5, significantly improves the overall torsional and bending resistance of the floor, enabling it to better withstand the weight of passengers and cargo, as well as the dynamic loads during vehicle operation. The fitting of the reinforcing ribs with the floor body 5 through slots avoids the localized stress concentration problems associated with traditional welding or bolted connections, reducing the risk of cracking and deformation after long-term use and extending the floor's service life. The vehicle chassis body 1 is equipped with a sealing strip 9, and a limiting groove 2 is provided around the top of the chassis body 1. The sealing strip 9 is fitted into the limiting groove 2, which realizes the sealing strip 9 at the edge of the floor body 5. This is used to improve the sealing performance at the connection between the floor body 5 and the vehicle body. The tight fit between the sealing strip 9 and the limiting groove 2 forms a continuous sealing barrier, which can prevent rainwater, road water, mud and sand from entering the vehicle from the connection gap between the floor and the chassis. This avoids water accumulation, rust or dust accumulation under the floor of the vehicle, which is especially suitable for the use needs of commercial vehicles in complex road conditions. The limiting groove 2 plays a guiding and positioning role for the fitting of the sealing strip 9. During assembly, the sealing strip 9 can be aligned with the gap without precise calibration, reducing the difficulty of manual operation and improving the assembly efficiency of the production line. Specific Implementation Example 2:

[0027] Reference Figure 1-4Based on the basic structure in Specific Embodiment 1, an elastic buffer layer is provided on the top of the floor body 5. The further technical solution solves the problem of vibration and bumps during vehicle operation, reduces the transmission of vehicle vibration to the interior, and reduces the bumps felt by passengers. Especially on unpaved roads or complex road conditions, it can significantly improve the stability of the ride.

[0028] In summary:

[0029] The system employs a design where transverse reinforcing ribs 3 and longitudinal reinforcing ribs 4 are provided on the top of the vehicle chassis body 1, and transverse slots 11 and longitudinal slots 12 are provided on the bottom of the floor body 5. This design achieves a mating treatment between the transverse slots 11 and longitudinal slots 12 and the transverse and longitudinal reinforcing ribs 3 and 4, forming a grid-like support structure. Combined with the mating connection with the floor body 5, this significantly improves the overall torsional and bending resistance of the floor, enabling it to better withstand the weight of passengers and cargo inside the vehicle, as well as the dynamic loads during vehicle operation. The mating of the reinforcing ribs with the floor body 5 through slots avoids the problem of localized stress concentration caused by traditional welding or bolt connections, reduces the risk of cracking and deformation after long-term use, and extends the service life of the floor.

[0030] A sealing strip 9 is provided at the bottom of the floor body 5, and a limiting groove 2 is provided around the top of the vehicle chassis body 1. The sealing strip 9 is fitted into the limiting groove 2, which realizes the sealing strip 9 at the edge of the floor body 5. This is used to improve the sealing performance at the connection between the floor body 5 and the vehicle body. The tight fit between the sealing strip 9 and the limiting groove 2 forms a continuous sealing barrier, which can prevent rainwater, road water, mud and sand from entering the vehicle from the connection gap between the floor and the chassis. This avoids water accumulation, rust or dust accumulation under the floor of the vehicle. It is especially suitable for the use needs of commercial vehicles in complex road conditions. The limiting groove 2 plays a guiding and positioning role for the fitting of the sealing strip 9. During assembly, the sealing strip 9 can be aligned with the gap without precise calibration, reducing the difficulty of manual operation and improving the assembly efficiency of the production line.

[0031] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A one-piece molded floor structure for commercial vehicles, comprising a vehicle chassis body (1), characterized in that: The top of the vehicle chassis body (1) is provided with a transverse reinforcing rib (3), and the bottom of the transverse reinforcing rib (3) is welded to the top of the vehicle chassis body (1). The top of the vehicle chassis body (1) is provided with a longitudinal reinforcing rib (4), and the top of the longitudinal reinforcing rib (4) is rounded. The top of the transverse reinforcing rib (3) is provided with a floor body (5), and the top of the floor body (5) is provided with eight positioning holes (6), and the eight positioning holes (6) are arranged in a matrix. The top of the positioning holes (6) is provided with a seat locator (7).

2. The integrated floor structure for a commercial vehicle according to claim 1, characterized in that: The top of the vehicle chassis body (1) is provided with a limiting groove (2), and the limiting groove (2) is cut and the depth of the limiting groove (2) is ten millimeters.

3. The integrated floor structure for a commercial vehicle according to claim 1, characterized in that: The floor body (5) has wiring cavities (10) on both sides, and the wiring cavities (10) are arranged in a matrix, and the interior of the wiring cavities (10) is cut.

4. The integrated floor structure for a commercial vehicle according to claim 1, characterized in that: The bottom of the floor body (5) is provided with a sealing strip (9), and the top of the sealing strip (9) is glued to the bottom of the floor body (5).

5. The integrated floor structure for a commercial vehicle according to claim 1, characterized in that: The seat locator (7) has two positioning bolts (8) on its top, and the tops of the two positioning bolts (8) are rounded.

6. The integrated floor structure for a commercial vehicle according to claim 1, characterized in that: The bottom of the floor body (5) is provided with a horizontal slot (11), and the horizontal slot (11) is cut and the depth of the horizontal slot (11) is ten millimeters.

7. The integrated floor structure for a commercial vehicle according to claim 1, characterized in that: The bottom of the floor body (5) is provided with a longitudinal slot (12), and the longitudinal slot (12) and the longitudinal reinforcing rib (4) are fitted together.

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