Ventilation sealing cover structure of amphibious assault vehicle

Abstract

The utility model discloses an amphibious assault vehicle ventilation sealing cover structure which comprises a sealing cover provided with a ventilation opening, a plurality of water baffles are arranged in the sealing cover in a sleeved mode and arranged on an installation bottom plate, and a ventilation fan is arranged on the lower end face of the installation bottom plate. The water baffle comprises a first-layer water baffle of an outwards-turned horn mouth structure, a second-layer water baffle formed by splicing four vertical plates and a third-layer water baffle of an outwards-turned horn mouth structure, and the mounting bottom plate is sequentially sleeved with a sealing cover, the first-layer water baffle, the second-layer water baffle and the third-layer water baffle from outside to inside; the upper end of the second-layer water baffle abuts against the sealing cover, and the third-layer water baffle is higher than the first-layer water baffle. The ventilation sealing cover is integrally modularized, is fastened by adopting screws, and can be disassembled, repaired or replaced according to different requirements; the multiple layers of water baffle structures are blocked layer by layer, ventilation is not affected, and meanwhile the waterproof effect is achieved; part of the water baffles are of an upturned horn mouth structure, water flow is guided to roll back, and the waterproof effect is enhanced.

Description

Technical Field

[0001] The utility model belongs to the technical field of amphibious assault vehicles, and in particular relates to a ventilation cover structure for an amphibious assault vehicle. Background Art

[0002] At present, amphibious assault vehicles are not equipped with fresh air devices or mostly use extended ventilators for ventilation, so that the air inlet of the ventilator is higher than the waterline to achieve the purpose of waterproofing. The waterproofing effect is limited in severe sea conditions and extreme weather, and water will still enter the cabin. In addition, the ventilator structure has large driving resistance and poor concealment. A Chinese utility model with publication number CN214523274U discloses a top cover device for ventilation in rainy days, including a top cover, a first vent on the top cover, the top cover is fixedly connected to a sealing frame, a baffle is provided on the sealing frame near the first vent, a ventilation hole is provided on the baffle, and a second vent is provided on the sealing frame. The technical solution of the utility model solves the problem of water leakage into the RV on rainy days by setting a top cover, a baffle and a sealing frame, and prevents rainwater from entering the RV; by setting a first vent, a vent and a second vent, the RV can be ventilated even on rainy days to ensure the air quality inside the car. On non-rainy days, the lid can be opened for light and ventilation, which is the same as the ordinary ventilation device, solving the problem of ventilation failure in the car on rainy days and improving the air quality and comfort inside the car. However, this structure cannot meet the use requirements of amphibious vehicles traveling on the sea. Utility Model Content

[0003] In order to solve the above problems, the utility model aims to provide a ventilation cover structure for an amphibious assault vehicle.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a ventilation cover structure for an amphibious assault vehicle, comprising a cover with a ventilation port, a plurality of water baffles are sleeved inside the cover, the water baffles are arranged on a mounting bottom plate, and a ventilation fan is arranged on the lower end surface of the mounting bottom plate;

[0005] The water baffle comprises a first layer of water baffle with an outward-turned bell-mouth structure, a second layer of water baffle made of four vertical plates, and a third layer of water baffle with an outward-turned bell-mouth structure. A cover, a first layer of water baffle, a second layer of water baffle and a third layer of water baffle are sequentially mounted on the installation base plate from the outside to the inside. The upper end of the second layer of water baffle is placed on the cover, and the height of the third layer of water baffle is higher than that of the first layer of water baffle.

[0006] Preferably, the cover is a closed trapezoidal cover, and ventilation ports are provided on a pair of opposite sides of the trapezoidal cover, and a connecting line between the ventilation ports is perpendicular to the direction of travel of the vehicle.

[0007] Preferably, the mounting base plate is a rectangular plate with two mounting holes in the middle thereof and reinforcing ribs fixed around it. The mounting base plate is fixed at the interface position of the roof by screws.

[0008] Preferably, the first layer of water retaining plate comprises a base formed by splicing four vertical plates, an inclined plate is integrally connected to the vertical plates to form an outward-turned bell-mouth structure, and a drainage hole is opened on the base.

[0009] Preferably, the second layer of water retaining plate is hoisted on the cover, and a drainage area is left between the bottom of the second layer of water retaining plate and the installation base plate.

[0010] Preferably, the ventilation fan is mounted on a ventilation fan mounting base by means of bolts, the ventilation fan mounting base is fixed to the lower end surface of the mounting base plate, and the upper portion of the ventilation fan passes through a mounting hole provided on the mounting base plate.

[0011] Preferably, the ventilation cover is fixed as a whole at the interface position of the roof by screws, and a sealant is applied at the joint position.

[0012] Preferably, the connections between the ventilation fan and the ventilation fan mounting base, the mounting base plate and the roof are fixed by bolts and screws respectively, and the remaining parts are fixed by laser welding.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] 1. The ventilation cover of the utility model is modularized as a whole and fastened with screws. It can be dismantled or replaced according to different needs. The cover is provided with a ventilation port so that the seawater coming from the driving direction can be blocked at the outermost layer to the greatest extent through the cover;

[0015] 2. The multi-layer water-retaining board structure provided by the utility model provides layer-by-layer barrier, which does not affect ventilation and achieves waterproof effect at the same time;

[0016] 3. Part of the water retaining plate of the utility model adopts an upward trumpet-mouth structure to guide the water flow to roll back, thereby enhancing the waterproof effect. Drain holes are opened in the length direction of the water retaining plate to naturally discharge the blocked seawater out of the vehicle, while fresh air can enter the vehicle through the channel in the sealing plate structure and the ventilation fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the specific embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1This is an exploded view of the ventilation cover structure in the utility model;

[0019] Figure 2 It is a cross-sectional view in the width direction of the ventilation cover after assembly in the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the ventilation cover assembly in the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the first layer of water retaining plate in the utility model;

[0022] Figure 5 This is a schematic diagram of the ventilation cover of the utility model being installed on a vehicle body;

[0023] In the figure, 101-ventilation fan, 102-ventilation fan mounting base, 103-reinforcement ribs, 104-third layer water baffle, 105-second layer water baffle, 106-screws, 107-cover, 108-first layer water baffle, 109-installation base plate, A-ventilation port, B-drain hole. DETAILED DESCRIPTION

[0024] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments, but it should not be understood that the scope of the subject matter described in the present invention is limited to the following embodiments. Without departing from the above-mentioned technical ideas of the present invention, various modifications, substitutions and changes made according to the common technical knowledge and customary means in the field are included in the scope of the present invention.

[0025] The ventilation cover in the combined state is as follows Figure 2 and Figure 3 As shown in FIG. 1 , the ventilation cover assembly consists of a ventilation fan 101, a ventilation fan mounting seat 102, a reinforcing rib 103, a third layer of water baffle 104, a second layer of water baffle 105, screws 106, a cover 107, a first layer of water baffle 108, and a mounting base 109. The ventilation cover is in a disassembled state as shown in FIG. 1 . The ventilation fan 101 is mounted on the ventilation fan mounting seat 102 by bolts, and the remaining parts are fixed by laser welding, and the structural sealing effect is achieved by welding the joints of the parts.

[0026] The ventilation cover structure includes a cover 107 with a ventilation port A, a plurality of water baffles are sleeved inside the cover 107, and the water baffles are arranged on a mounting base plate 109, and a ventilation fan 102 is arranged on the lower end surface of the mounting base plate 109;

[0027] The water baffle plate includes a first water baffle plate 108 with an outward-turned bell-mouth structure, a second water baffle plate 105 composed of four vertical plates, and a third water baffle plate 104 with an outward-turned bell-mouth structure. A cover 107, a first water baffle plate 108, a second water baffle plate 105 and a third water baffle plate 104 are sequentially mounted on the installation base plate 109 from the outside to the inside. The upper end of the second water baffle plate 105 is supported on the cover 107, and the height of the third water baffle plate 104 is higher than that of the first water baffle plate 108.

[0028] The cover 107 is a closed trapezoidal cover, and ventilation ports A are provided on a pair of opposite sides of the trapezoidal cover, and the connection line between the ventilation ports A is perpendicular to the direction of travel of the vehicle. The mounting base plate 109 is a rectangular plate, and two mounting holes are provided in the middle thereof, and reinforcing ribs (103) are fixed around it. The mounting base plate 109 is fixed at the interface position of the roof by screws 106. The first layer of water baffle 108 includes a base spliced ​​by four vertical plates, and an inclined plate is integrally connected to the vertical plates to form an outward-turned trumpet structure, and a drainage hole B is provided on the base. The second layer of water baffle 105 is hoisted on the cover 107, and a drainage area is left between its bottom and the mounting base plate 109. The ventilation fan 101 is installed on the ventilation fan mounting seat 102 by bolts, and the ventilation fan mounting seat 102 is fixed to the lower end surface of the mounting base plate 109, and the upper part of the ventilation fan 101 passes through the mounting hole provided on the mounting base plate 109.

[0029] Principle description: The utility model adopts a multi-layer filtering structure, such as Figure 2 As shown in the figure, the arrows represent seawater. Ventilation ports are arranged on both sides of the vehicle in the direction of travel, so that the seawater coming from the travel direction can be blocked in the outermost layer to the greatest extent through the cover 107. Most of the seawater entering from the ventilating hole will be blocked by the first layer of water retaining plate 108, preventing the seawater from entering the next layer and absorbing most of the kinetic energy of the waves. The impact of a small amount of seawater entering the next layer is further weakened by the blocking of the second layer of water retaining plate 105. The remaining seawater is blocked in the drainage area by the third layer of water retaining plate 104, and the blocked seawater is naturally discharged out of the vehicle through the drainage hole B in the length direction of the first layer of water retaining plate 108. Figure 4 As shown, fresh air can enter the vehicle through the channel in the sealing plate structure and the ventilation fan.

[0030] Action Description:

[0031] Install the ventilation cover: apply a circle of sealant on the interface, place the ventilation cover assembly, connect the power supply to the ventilation fan, and tighten the screws to fix the device; Replace and repair the ventilation cover: 1) To replace the ventilation fan, just remove the ventilation fan 101 in the cabin and replace it; 2) To replace the ventilation cover, disconnect the power supply of the ventilation fan, remove the fixing screws, and remove the ventilation fan cover as a whole.

[0032] Reference Figure 5 The ventilation cover is installed on the vehicle body as shown in the figure. Ventilation ports are set on both sides of the vehicle's traveling direction. The multi-layer interfaces inside the cover are used to filter and isolate the seawater, so that the seawater is blocked outside the cover structure and will not enter the cabin, and fresh air can enter the vehicle through the ventilation fan to achieve the purpose of ventilation. At the same time, the ventilation cover is fixed to the roof interface position as a whole by screws, which can be quickly disassembled for repair or replacement of other functional modules, and sealant is applied at the joint position to achieve the effect of enhanced sealing, with good expansibility and maintainability.

[0033] The above is a detailed introduction to the ventilation cover structure of the amphibious assault vehicle provided by the utility model. This article uses specific examples to illustrate the structure and working principle of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A ventilation cover structure for an amphibious assault vehicle, characterized in that: It comprises a cover (107) with a ventilation port (A), a plurality of water baffles are sleeved inside the cover (107), the water baffles are arranged on a mounting base plate (109), and a ventilation fan (101) is arranged on the lower end surface of the mounting base plate (109); The water baffle plate comprises a first water baffle plate (108) with an outward-turned bell-mouth structure, a second water baffle plate (105) formed by splicing four vertical plates, and a third water baffle plate (104) with an outward-turned bell-mouth structure. A cover (107), a first water baffle plate (108), a second water baffle plate (105), and a third water baffle plate (104) are sequentially mounted on a mounting base plate (109) from outside to inside. The upper end of the second water baffle plate (105) rests on the cover (107), and the height of the third water baffle plate (104) is higher than that of the first water baffle plate (108).

2. The ventilation cover structure for an amphibious assault vehicle according to claim 1, characterized in that: The cover (107) is a closed trapezoidal cover, and ventilation ports (A) are provided on a pair of opposite sides of the trapezoidal cover, and the connection line between the ventilation ports (A) is perpendicular to the direction of travel of the vehicle.

3. The ventilation cover structure for an amphibious assault vehicle according to claim 1, characterized in that: The mounting base plate (109) is a rectangular plate with two mounting holes in the middle thereof and reinforcing ribs (103) fixed around it. The mounting base plate (109) is fixed at the interface position of the vehicle roof by screws (106).

4. The ventilation cover structure for an amphibious assault vehicle according to claim 1, characterized in that: The first layer of water retaining plate (108) comprises a base formed by splicing four vertical plates, an inclined plate is integrally connected to the vertical plates to form an outward-turned bell-mouth structure, and a water drainage hole (B) is opened on the base.

5. The ventilation cover structure for an amphibious assault vehicle according to claim 1, characterized in that: The second layer of water retaining plate (105) is hoisted on the cover (107), and a drainage area is left between the bottom of the second layer of water retaining plate (105) and the installation bottom plate (109).

6. The ventilation cover structure for an amphibious assault vehicle according to claim 1, characterized in that: The ventilation fan (101) is mounted on the ventilation fan mounting base (102) by means of bolts. The ventilation fan mounting base (102) is fixed to the lower end surface of the mounting base plate (109). The upper portion of the ventilation fan (101) passes through a mounting hole provided on the mounting base plate (109).

7. The ventilation cover structure for an amphibious assault vehicle according to claim 1, characterized in that: The ventilation cover is fixed as a whole at the interface position of the roof by screws (106), and a sealant is applied at the joint position.

8. The ventilation cover structure for an amphibious assault vehicle according to claim 1, characterized in that: The ventilation fan (101) and the ventilation fan mounting base (102), the mounting base plate (109) and the vehicle roof are fixed by bolts and screws respectively, and the remaining parts are fixed by laser welding.

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