A four-wheel drive bus off-road chassis

Abstract

This utility model discloses a four-wheel drive bus off-road chassis, belonging to the technical field of four-wheel drive buses. It includes two vertical beams, with several crossbeams arranged between them. T-shaped blocks are fixedly connected to both ends of each crossbeam. This four-wheel drive bus off-road chassis, by setting T-shaped blocks, second threaded holes, T-shaped holes, second countersunk holes, and second screws, allows for initial positioning of the chassis by placing the T-shaped blocks inside the T-shaped holes. Since the T-shaped holes are blind holes, when the T-shaped blocks are fully placed inside, the second threaded holes and second countersunk holes are perfectly aligned, eliminating the need for extensive alignment and improving installation efficiency. Furthermore, the T-shaped blocks engaging within the T-shaped holes provide stability to the crossbeams, enhancing their overall stability. The chassis also employs modular crossbeams, facilitating disassembly and installation, and making replacement of damaged crossbeams easier.

Description

Technical Field

[0001] This utility model belongs to the field of four-wheel drive bus technology, specifically a four-wheel drive bus off-road chassis. Background Technology

[0002] A four-wheel drive bus is a type of bus that uses a four-wheel drive system. It combines the passenger-carrying function of a bus with the powerful off-road capability of a four-wheel drive system, enabling it to travel in complex road conditions while meeting the needs of multiple passengers. The components of a four-wheel drive bus typically include an off-road chassis. Traditional four-wheel drive bus off-road chassis are generally made of welded crossbeams and vertical beams. However, this one-piece fixing method has poor flexibility, making it difficult to replace the crossbeams after they are damaged. Utility Model Content

[0003] To overcome the above-mentioned defects, this utility model provides a four-wheel drive bus off-road chassis, which solves the problem that traditional four-wheel drive bus off-road chassis are generally made of welded crossbeams and vertical beams. However, this integrated fixing method has poor flexibility, making it difficult to replace the crossbeams after they are damaged.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a four-wheel drive bus off-road chassis, including two vertical beams, with several horizontal beams arranged between the two vertical beams. T-shaped blocks are fixedly connected to both ends of each horizontal beam. A second threaded hole is provided on the T-shaped block. Several T-shaped holes are provided on the vertical beam. The T-shaped holes are blind holes. The T-shaped blocks are located inside the T-shaped holes. Several second countersunk holes are provided on the vertical beam. A second screw is provided inside the second countersunk hole. The second screw is threadedly connected to the inside of the second threaded hole.

[0005] As a further embodiment of this utility model: a blocking strip is provided at the bottom of the vertical beam, and a plurality of first countersunk holes are provided on the blocking strip.

[0006] As a further embodiment of this utility model: a plurality of first threaded holes are provided on the vertical beam, and the positions of the first threaded holes correspond to the positions of the first countersunk holes.

[0007] As a further embodiment of this utility model: a first screw is provided inside the first countersunk hole, and the first screw is threadedly connected to the inside of the first threaded hole.

[0008] As a further embodiment of this utility model: the blocking strip is located at the bottom of the T-shaped block, and two reinforcing beams are provided between the two vertical beams.

[0009] As a further embodiment of this utility model: one end of the reinforcing beam is fixedly connected to one of the vertical beams, and the other end of the reinforcing beam is fixedly connected to another vertical beam.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0011] 1. This four-wheel drive bus off-road chassis, through the setting of T-blocks, second threaded holes, T-holes, second countersunk holes, and second screws, allows for the following when the crossbeam needs to be disassembled: First, unscrew the first screw to release the fixing state of the blocking strip, allowing the blocking strip to be disassembled. Then, unscrew the second screw to release the fixing state of the T-block and the crossbeam, allowing the crossbeam to be disassembled. When the crossbeam needs to be installed, first place the T-block inside the T-hole for initial positioning. Then, place the second screw inside the second countersunk hole and screw the second screw into the second threaded hole to secure the T-block and the crossbeam. The chassis is designed to precisely position the crossbeam by placing a T-shaped block inside a T-shaped hole. Since the T-shaped hole is a blind hole, when the T-shaped block is fully placed inside, the second threaded hole and the second countersunk hole are perfectly aligned, eliminating the need to spend a lot of time aligning the second threaded hole and the second countersunk hole, thus improving installation efficiency. Furthermore, locking the T-shaped block inside the T-shaped hole provides a certain degree of stability to the crossbeam, improving its overall stability. In addition, the chassis uses a modular crossbeam, which facilitates the disassembly and installation of the crossbeam, making it easy to replace any damaged crossbeams.

[0012] 2. The four-wheel drive bus off-road chassis uses a blocking strip, a first countersunk hole, a first threaded hole, and a first screw to fix the blocking strip at the bottom of the vertical beam. The first countersunk hole and the first threaded hole are aligned, and the first screw is placed inside the first countersunk hole and screwed into the first threaded hole. The blocking strip can block the T-block and the crossbeam. By fixing the blocking strip, the chassis can further limit the crossbeam and thus more effectively improve the stability of the crossbeam. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0014] Figure 2 This is a schematic diagram of the structure of this utility model where the vertical beam and the blocking strip are separated;

[0015] Figure 3 This is a schematic diagram of the structure of the present invention in the form of a partial explosion.

[0016] In the diagram: 1. Vertical beam; 2. Reinforcing beam; 3. Horizontal beam; 4. Blocking strip; 5. First countersunk hole; 6. First threaded hole; 7. First screw; 8. Second countersunk hole; 9. Second screw; 10. T-block; 11. Second threaded hole; 12. T-hole. Detailed Implementation

[0017] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0018] like Figure 1-3 As shown, this utility model provides a technical solution: a four-wheel drive bus off-road chassis, including two vertical beams 1, with several horizontal beams 3 arranged between the two vertical beams 1. T-shaped blocks 10 are fixedly connected to both ends of the horizontal beams 3. The presence of T-shaped blocks 10, which are engaged in the T-shaped holes 12, can provide a certain degree of stability to the horizontal beams 3, improve the stability of the horizontal beams 3, and ensure the normal operation of the horizontal beams 3. A blocking strip 4 is provided at the bottom of the vertical beams 1. The presence of the blocking strip 4, which is fixed to block the T-shaped blocks 10 and the horizontal beams 3, can further limit the horizontal beams 3, thereby more effectively improving the stability of the horizontal beams 3. Several first countersunk holes 5 are provided on the blocking strip 4.

[0019] The T-shaped block 10 has a second threaded hole 11, and the vertical beam 1 has several T-shaped holes 12. The T-shaped holes 12 are blind holes. Because the T-shaped holes 12 are blind holes, when the T-shaped block 10 is completely placed inside the T-shaped hole 12, the second threaded hole 11 and the second countersunk hole 8 are perfectly aligned. This eliminates the need to spend a lot of time aligning the second threaded hole 11 and the second countersunk hole 8, thus improving installation efficiency. The vertical beam 1 has several first threaded holes 6, and the positions of the first threaded holes 6 and the first countersunk holes 5 are corresponding.

[0020] The T-shaped block 10 is located inside the T-shaped hole 12. Several second countersunk holes 8 are provided on the vertical beam 1. Because of the second countersunk holes 8, when the second screw 9 is placed inside the second countersunk holes 8, the second screw 9 will be flush with the surface of the vertical beam 1, ensuring the flatness of the surface of the vertical beam 1. The second screw 9 is provided inside the second countersunk holes 8. Because of the second screw 9, the T-shaped block 10 and the crossbeam 3 are fixed by screwing the second screw 9 into the second threaded hole 11, which can effectively improve the stability of the crossbeam 3 and ensure the normal operation of the crossbeam 3. The first screw 7 is provided inside the first countersunk hole 5. Because of the first screw 7, the blocking strip 4 is fixed by tightening the first screw 7, thereby improving the stability of the blocking strip 4 and making it easier for the blocking strip 4 to block the T-shaped block 10 and the crossbeam 3. The first screw 7 is threadedly connected inside the first threaded hole 6.

[0021] The second screw 9 is threaded into the inside of the second threaded hole 11. The blocking strip 4 is located at the bottom of the T-shaped block 10. Two reinforcing beams 2 are provided between the two vertical beams 1. Because of the reinforcing beams 2, the two vertical beams 1 are connected and fixed by the reinforcing beams 2, thereby further improving the overall strength of the vertical beams 1. One end of the reinforcing beam 2 is fixedly connected to one of the vertical beams 1, and the other end of the reinforcing beam 2 is fixedly connected to the other vertical beam 1.

[0022] The working principle of this utility model is as follows:

[0023] When it is necessary to disassemble the crossbeam 3, first unscrew the first screw 7 to release the fixing state of the blocking strip 4. At this time, the blocking strip 4 can be disassembled. Then, unscrew the second screw 9 to release the fixing state of the T-block 10 and the crossbeam 3, thereby disassembling the crossbeam 3. When it is necessary to install the crossbeam 3, first place the T-block 10 inside the T-hole 12 for initial positioning. Then, place the second screw 9 inside the second countersunk hole 8 and screw the second screw 9 into the second threaded hole 11 to fix the T-block 10 and the crossbeam 3, thereby completing the installation of the crossbeam 3. Then, place the blocking strip 4 at the bottom of the vertical beam 1, align the first countersunk hole 5 with the first threaded hole 6, place the first screw 7 inside the first countersunk hole 5 and screw the first screw 7 into the first threaded hole 6 to fix the blocking strip 4. The blocking strip 4 can block the T-block 10 and the crossbeam 3.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] The preferred embodiments of this patent have been described in detail above. However, this patent is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of this patent.

Claims

1. A four-wheel drive bus off-road chassis, comprising a vertical beam (1), characterized in that: There are two vertical beams (1), and several horizontal beams (3) are arranged between the two vertical beams (1). T-shaped blocks (10) are fixedly connected to both ends of the horizontal beams (3). A second threaded hole (11) is opened on the T-shaped block (10). Several T-shaped holes (12) are opened on the vertical beams (1). The T-shaped holes (12) are blind holes. The T-shaped blocks (10) are located inside the T-shaped holes (12). Several second countersunk holes (8) are opened on the vertical beams (1). A second screw (9) is arranged inside the second countersunk hole (8). The second screw (9) is threaded into the second threaded hole (11).

2. The four-wheel drive bus off-road chassis according to claim 1, characterized in that: The bottom of the vertical beam (1) is provided with a blocking strip (4), and the blocking strip (4) has several first countersunk holes (5).

3. The four-wheel drive bus off-road chassis according to claim 2, characterized in that: The vertical beam (1) has several first threaded holes (6), and the first threaded holes (6) are positioned corresponding to the first countersunk holes (5).

4. The four-wheel drive bus off-road chassis according to claim 3, characterized in that: The first countersunk hole (5) is provided with a first screw (7), which is threaded into the first threaded hole (6).

5. The four-wheel drive bus off-road chassis according to claim 2, characterized in that: The blocking strip (4) is located at the bottom of the T-shaped block (10), and two reinforcing beams (2) are provided between the two vertical beams (1).

6. The four-wheel drive bus off-road chassis according to claim 5, characterized in that: One end of the reinforcing beam (2) is fixedly connected to one of the vertical beams (1), and the other end of the reinforcing beam (2) is fixedly connected to another vertical beam (1).

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