A sealing structure for the mission compartment cover of an amphibious vehicle

Abstract

This utility model belongs to the field of amphibious vehicle technology, and more specifically, relates to a sealing structure for the mission compartment cover of an amphibious vehicle. The mission compartment has an upper cover (1) and a lower cover (4), which are fixedly connected. A bent plate (5) is provided on the inner side of the lower cover (4), and a sealing strip (3) is fitted onto the bent plate (5). The upper part of the sealing strip (3) is attached to the lower surface of the upper cover (1). The amphibious vehicle mission compartment cover sealing structure described in this utility model is simple in structure and can effectively prevent particles, seawater, dust, and other impurities from entering the mission compartment through the cover joints, avoiding potential malfunctions such as corrosion and water ingress of equipment inside the compartment caused by impurities. While ensuring sealing performance, it significantly reduces manpower and material consumption, and greatly improves the assembly efficiency and product quality stability of the mission compartment.

Description

Technical Field

[0001] This utility model belongs to the field of amphibious vehicle technology, and more specifically, it relates to a sealing structure for the mission compartment cover of an amphibious vehicle. Background Technology

[0002] Amphibious vehicles, with their unique amphibious capabilities, are widely used in emergency rescue and transportation in complex terrains. The sealing structure of their mission compartment cover is a key element in ensuring the safe and stable operation of the vehicle. On land, amphibious vehicles experience frequent and severe bumps and vibrations. Traditional cover seals rely heavily on rubber sealing strips, which are prone to displacement, loosening, or even breakage after prolonged vibration. Collisions during cargo loading and unloading further exacerbate this damage, leading to seal failure. External dust and sediment then enter, contaminating equipment and supplies inside the compartment and potentially causing mechanical wear, short circuits, and other malfunctions, severely impacting the normal operation and lifespan of the mission compartment equipment. When amphibious vehicles switch to water transport, the challenges are even more severe. The cover must withstand continuous water pressure, and ordinary sealing structures are easily penetrated by water under this pressure. For example, some cover designs using simple snap-fit ​​connections and flat seals allow water to slowly seep in through the gaps and edges of the cover when traveling on water. In rough seas, the rate of water ingress accelerates significantly. Furthermore, the strong corrosiveness of seawater will rapidly erode the sealing materials, causing them to harden and crack, further reducing sealing performance, threatening the safety of equipment inside the cabin, and even affecting the overall buoyancy and stability of the vehicle. In addition, existing cover sealing structures also have shortcomings in daily maintenance. The structural design often does not fully consider ease of maintenance. Once a sealing component is damaged, repair or replacement requires the disassembly of a large number of surrounding parts, resulting in a narrow operating space, cumbersome procedures, and significant manpower and time consumption, severely impacting vehicle uptime efficiency. In terms of daily maintenance, the structure neglects convenience. After a sealing component is damaged, repair or replacement requires the disassembly of a large number of surrounding parts, resulting in a narrow operating space, cumbersome procedures, and significant manpower and time consumption, severely reducing vehicle uptime efficiency and failing to meet the requirements of high-efficiency operation.

[0003] The prior art includes a technology entitled "A 6x6 Light Amphibious Vehicle" with publication (announcement) number "CN109177668B". This technology discloses a 6x6 light amphibious vehicle, which includes a frame assembly, an engine assembly, a transmission assembly, a main drive shaft, a comprehensive transmission box, a differential assembly, a pump drive shaft, a drive shaft assembly, a coupling assembly, a drive half shaft assembly, a reversing box assembly, a drive side shaft, a wheel assembly, a steering gear assembly, a connecting rod assembly, a steering column assembly, a water spray pump assembly, a retractable shock absorber assembly, a hull, and an outer cover assembly. The engine assembly and the transmission assembly are connected as one unit by fastening bolts and are installed in the middle and rear of the frame assembly. This type of vehicle employs several original, world-leading technologies, possessing superior amphibious mobility and truly enabling operation in all water and terrain conditions. It is widely applicable to military, civilian, and recreational sports, effectively meeting various practical needs such as special airdrop operations, rapid amphibious maneuver, water rescue and disaster relief, scientific exploration and research, and amphibious off-road sports. However, this technology does not address the technical issues and solutions of this application. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide an amphibious vehicle mission cabin cover sealing structure that is simple in structure, can effectively prevent various impurities such as particles, seawater, and dust from entering the mission cabin through the cover plate seams, avoids the potential for equipment corrosion and water ingress caused by impurities, and significantly reduces manpower and material consumption while ensuring sealing performance, thus greatly improving the assembly efficiency and product quality stability of the mission cabin.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: This utility model is a sealing structure for the mission compartment cover of an amphibious vehicle, comprising an upper mission compartment cover and a lower mission compartment cover, which are fixedly connected. A bent plate is provided on the inner side of the lower mission compartment cover, and a sealing strip is installed on the bent plate. The upper part of the sealing strip is attached to the lower surface of the upper mission compartment cover.

[0006] The bending plate includes a vertical part and a horizontal part. The vertical part of the bending plate is welded to the inner side of the lower cover of the mission compartment, and the horizontal part of the bending plate is parallel to the upper cover of the mission compartment.

[0007] The sealing strip includes a sealing strip body and a sealing strip sealing part, and the groove of the sealing strip body is fitted onto the horizontal part of the bent plate.

[0008] The gap between the horizontal part of the bent plate and the mission compartment cover is smaller than the height of the sealing part of the sealing strip.

[0009] The side bend of the mission compartment upper cover plate is bent to fit the outer side of the mission compartment lower cover plate.

[0010] The sealing strip body and the sealing part of the sealing strip are an integral structure, and the sealing part of the sealing strip is a hollow structure.

[0011] When the sealing strip is installed on the bent plate, the sealing part of the sealing strip is configured to deform under pressure and fit the lower surface of the mission cabin cover.

[0012] The mission compartment upper cover and mission compartment lower cover are fixedly connected by bolts.

[0013] The mission compartment lower cover includes a lower cover plate and a lower cover protrusion. The mission compartment upper cover is attached to the mission compartment lower cover, and the bent plate is welded to the inner side of the lower cover protrusion.

[0014] The working principle and beneficial effects of this utility model are as follows: The amphibious vehicle mission compartment cover sealing structure of this utility model features a bent plate on the inner side of the lower mission compartment cover, with a sealing strip fastened to the bent plate. During assembly, the sealing strip is first fastened to the bent plate, and then the upper and lower mission compartment covers are fixedly connected. The pre-tightening force generated during the assembly of the upper and lower mission compartment covers ensures uniform compression of the sealing strip by the upper cover. A preset interference fit is achieved by precisely controlling the compression of the sealing strip. This structure ensures reliable installation of the sealing strip onto the bent plate and facilitates replacement. It also effectively enhances the sealing performance between the upper and lower mission compartment covers, reducing the risk of water and dust ingress at the source. This improvement directly reduces the erosion of internal equipment by impurities, making the working environment of various precision components more stable, extending the overall service life of the equipment, and significantly reducing the probability of failure due to seal failure. Simultaneously, this structure, through reliable sealing, systematically improves the operational safety of equipment inside the mission compartment, reduces maintenance work caused by water and dust ingress, and lowers the maintenance costs throughout the vehicle's lifecycle. The overall structural design is novel and unique, and the assembly process does not require complicated procedures. It is simple and efficient to operate, which facilitates rapid assembly on the production line and is also conducive to later inspection and maintenance. While ensuring sealing quality, it also takes into account process economy, providing a practical and efficient technical solution for the reliable operation of the amphibious vehicle mission compartment. Attached Figure Description

[0015] The following is a brief explanation of the contents depicted in the accompanying drawings and the markings therein: Figure 1 This is a schematic diagram of the sealing structure of the amphibious vehicle mission compartment cover of this utility model; The labels in the attached diagram are as follows: 1. Mission compartment upper cover plate; 2. Bolt; 3. Sealing strip; 4. Mission compartment lower cover plate; 5. Bending plate; 6. Vertical part of bending plate; 7. Horizontal part of bending plate; 8. Sealing strip body; 9. Sealing strip sealing part; 10. Slot; 11. Side bending edge; 12. Lower cover plate; 13. Lower cover plate protrusion. Detailed Implementation

[0016] The following description, with reference to the accompanying drawings, provides a more detailed explanation of the specific embodiments of this utility model, including the shape and structure of each component, the relative positions and connections between the parts, the functions and working principles of each part: As attached Figure 1 As shown, this utility model is a sealing structure for the mission compartment cover of an amphibious vehicle. It comprises an upper mission compartment cover 1 and a lower mission compartment cover 4, which are fixedly connected. A bent plate 5 is provided on the inner side of the lower mission compartment cover 4, and a sealing strip 3 is fitted onto the bent plate 5. The upper part of the sealing strip 3 adheres to the lower surface of the upper mission compartment cover 1. This structure addresses the shortcomings of existing technologies by proposing an improved technical solution. The core technical solution is as follows: a bent plate 5 is provided on the inner side of the lower mission compartment cover 4, and a sealing strip 3 is fitted onto the bent plate 5. During assembly, the sealing strip is first fitted onto the bent plate, and then the upper mission compartment cover 1 and the lower mission compartment cover 4 are fixedly connected. The pre-tightening force generated during the assembly of the upper mission compartment cover 1 and the lower mission compartment cover 4 ensures that the upper mission compartment cover uniformly presses against the sealing strip. A preset interference fit is achieved by precisely controlling the compression of the sealing strip. The aforementioned structure ensures the reliable installation of the sealing strip 3 onto the bent plate 5 and facilitates replacement. It also effectively enhances the sealing performance between the upper and lower covers of the mission compartment, reducing the risk of water and dust ingress at the source. This improvement directly reduces the erosion of internal equipment by impurities, making the working environment of various precision components more stable, effectively extending the overall service life of the equipment, and significantly reducing the probability of failure due to seal failure. Simultaneously, this structure, through reliable sealing, systematically improves the operational safety of equipment inside the mission compartment, reducing maintenance work caused by water and dust ingress and lowering the maintenance costs throughout the vehicle's lifecycle. The overall structural design is novel and unique, requiring no complex assembly procedures, and is simple and efficient to operate. It facilitates rapid assembly on the production line and is also beneficial for later inspection and maintenance. While ensuring sealing quality, it also considers process economy, providing a practical and efficient technical solution for the reliable operation of the amphibious vehicle's mission compartment. The amphibious vehicle mission compartment cover sealing structure described in this utility model has a simple structure and can effectively prevent various impurities such as particles, seawater, and dust from entering the mission compartment through the cover joints. This avoids potential malfunctions such as corrosion of equipment and water ingress caused by impurities. While ensuring sealing performance, it significantly reduces manpower and material consumption and greatly improves the assembly efficiency and product quality stability of the mission compartment.

[0017] The bending plate 5 includes a vertical portion 6 and a horizontal portion 7. The vertical portion 6 is welded to the inner side of the mission compartment lower cover plate 4, and the horizontal portion 7 is parallel to the mission compartment upper cover plate 1. In this structure, the vertical portion 6 and the horizontal portion 7 are an integral unit. The bending plate facilitates the installation of the sealing strip. After the sealing strip is installed, when the mission compartment upper cover plate and mission compartment lower cover plate are fixedly connected, the mission compartment upper cover plate applies force to the sealing strip, compressing and deforming the sealing strip, thereby effectively ensuring the sealing performance between the mission compartment upper cover plate and lower cover plate.

[0018] The sealing strip 3 includes a sealing strip body 8 and a sealing strip sealing part 9. The groove 10 of the sealing strip body 8 is fitted onto the horizontal part 7 of the bending plate 5.

[0019] The gap between the horizontal portion 7 of the bent plate 5 and the upper cover plate 1 of the mission compartment is smaller than the height of the sealing portion 9 of the sealing strip 3. In this structure, before connecting the upper cover plate 1 and the lower cover plate 4 of the mission compartment, the sealing strip 3 is first installed, and then the upper cover plate and the lower cover plate of the mission compartment are connected, ensuring that the sealing strip is easily installed in place.

[0020] The side bend 11 of the mission compartment upper cover 1 is bent to fit against the outer side of the mission compartment lower cover 4. In the above structure, the side bend 11 provides a certain sealing function from the outside.

[0021] The sealing strip 3 has a single integrated structure, consisting of the sealing strip body 8 and the sealing part 9, with the sealing part 9 being hollow. This structure allows the sealing strip to be integrally formed, simplifying the manufacturing process, reducing costs, and reliably deforming under pressure to achieve a sealing function.

[0022] When the sealing strip 3 is installed on the bent plate 5, the sealing part 9 of the sealing strip 3 is configured to deform under pressure and fit against the lower surface of the mission compartment upper cover 1. The mission compartment upper cover 1 and the mission compartment lower cover 4 are fixedly connected by bolts 2. The mission compartment lower cover 4 includes a lower cover plate 12 and a lower cover plate protrusion 13. The mission compartment upper cover 1 fits against the mission compartment lower cover 4, and the bent plate 5 is welded to the inner side of the lower cover plate protrusion 13. In the above structure, the lower cover plate 12 and the lower cover plate protrusion 13 of the mission compartment lower cover 4 are welded together, and the bent plate is welded together to ensure a reliable structural connection. The mission compartment lower cover 4 and the upper cover 1 are connected by bolts. This ensures that both are easy to install and disassemble, and reliably provide a sealing function after connection.

[0023] The amphibious vehicle mission compartment cover sealing structure of this utility model has the following core technical solution: a bent plate 5 is set inside the mission compartment lower cover 4, and a sealing strip 3 is clamped onto the bent plate 5. During assembly, the sealing strip is first clamped onto the bent plate, and then the mission compartment upper cover 1 and mission compartment lower cover 4 are fixedly connected. The pre-tightening force generated during the assembly of the mission compartment upper cover 1 and mission compartment lower cover 4 is used to make the mission compartment upper cover plate uniformly press against the sealing strip, and the preset interference is formed by precisely controlling the compression of the sealing strip. The above structure ensures that the sealing strip 3 is reliably installed on the bent plate 5, facilitates replacement, and effectively enhances the sealing performance between the upper and lower covers of the mission compartment, reducing the risk of water and dust ingress in this area from the source. This improvement directly reduces the corrosion of equipment inside the compartment by impurities, makes the working environment of various precision components more stable, effectively extends the overall service life of the equipment, and significantly reduces the probability of failure due to sealing failure. Meanwhile, this structure, through reliable sealing, systematically enhances the operational safety of equipment inside the mission compartment, reducing maintenance work caused by water or dust ingress and lowering the vehicle's overall lifecycle maintenance costs. The novel and unique overall structural design eliminates the need for complex assembly procedures, making operation simple and efficient. It facilitates rapid assembly on production lines and benefits subsequent inspection and maintenance, ensuring both sealing quality and process economy, providing a practical and efficient technical solution for the reliable operation of the amphibious vehicle's mission compartment.

[0024] The present invention has been described above with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any improvements made using the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution to other situations without modification, are all within the protection scope of the present invention.

Claims

1. A sealing structure for the mission compartment cover of an amphibious vehicle, characterized in that: The mission compartment upper cover (1) and mission compartment lower cover (4) are fixedly connected. A bending plate (5) is provided on the inner side of the mission compartment lower cover (4). A sealing strip (3) is installed on the bending plate (5). The upper part of the sealing strip (3) is attached to the lower surface of the mission compartment upper cover (1).

2. The sealing structure for the amphibious vehicle mission compartment cover according to claim 1, characterized in that: The bending plate (5) includes a vertical part (6) and a horizontal part (7). The vertical part (6) is welded to the inner side of the mission cabin lower cover plate (4), and the horizontal part (7) is parallel to the mission cabin upper cover plate (1).

3. The sealing structure for the amphibious vehicle mission compartment cover according to claim 1 or 2, characterized in that: The sealing strip (3) includes a sealing strip body (8) and a sealing strip sealing part (9). The groove (10) of the sealing strip body (8) is fitted onto the horizontal part (7) of the bending plate (5).

4. The sealing structure for the amphibious vehicle mission compartment cover according to claim 3, characterized in that: The gap between the horizontal part (7) of the bent plate (5) and the mission cabin cover plate (1) is smaller than the height of the sealing part (9) of the sealing strip (3).

5. The sealing structure for the amphibious vehicle mission compartment cover according to claim 1 or 2, characterized in that: The side bend (11) of the mission cabin upper cover plate (1) is bent and fitted to the outer side of the mission cabin lower cover plate (4).

6. The sealing structure for the amphibious vehicle mission compartment cover according to claim 3, characterized in that: The sealing strip (3) has a sealing strip body (8) and a sealing strip sealing part (9) as an integral structure, and the sealing strip sealing part (9) is a hollow structure.

7. The sealing structure for the amphibious vehicle mission compartment cover according to claim 3, characterized in that: When the sealing strip (3) is installed on the bent plate (5), the sealing part (9) of the sealing strip (3) is configured to be able to deform under pressure and fit the lower surface of the mission cabin cover plate (1).

8. The sealing structure for the amphibious vehicle mission compartment cover according to claim 1 or 2, characterized in that: The mission compartment upper cover (1) and mission compartment lower cover (4) are fixedly connected by bolts (2).

9. The sealing structure for the amphibious vehicle mission compartment cover according to claim 1 or 2, characterized in that: The mission compartment lower cover (4) includes a lower cover plate (12) and a lower cover plate protrusion (13). The mission compartment upper cover (1) is attached to the mission compartment lower cover (4). The bent plate (5) is welded to the inner side of the lower cover plate protrusion (13).

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