Electrically controlled four-gear transmission reverse same opening and closing exhaust integrated shutter

CN224828572UActive Publication Date: 2026-10-09JIANGLU MACHINERY & ELECTRONICS GROUP
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Patent Information

Application Number
CN202522112094.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-30
Publication Date
2026-10-09
Estimated Expiration
2035-09-30

AI Technical Summary

Technical Problem

此种布局主要存在以下缺陷:1、空间布局矛盾:分体式结构需在车体不同位置开设多个大型口部,占用宝贵的车体表面空间,不利于整车结构的紧凑化与轻量化设计,同时也增加了车辆在空降过程中受损的风险;2、分体式结构对气流的组织控制能力较弱;尤其在车辆静止或低速行驶工况下,排气风扇排出的高温废气极易在车体周围形成热空气环流,并被邻近的进气窗重新吸入,导致“气流短路”现象;这使得散热器换热效率急剧下降,冷却液温度攀升,严重时可造成发动机过热,直接影响车辆的作战效能与任务可靠性

Benefits of technology

[0015]本实用新型的有益效果在于:一、本实用新型彻底杜绝了气流短路,通过进、排气窗的互锁动作,从物理上完全切断了高温废气被重新吸入的路径,从根本上解决了导致散热器效能骤降的核心难题;“一关一开”的循环模式使得排气过程呈高速、脉冲式喷射,显著提升了热空气的排出速度和射流距离,增强了散热效果的稳定性和可靠性,尤其适用于车辆静止、低速等恶劣工况。

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Abstract

The utility model relates to the field of special vehicle launching platform structure design, concretely is a kind of electric control formula four gear transmission reverse same opening and closing air inlet and exhaust integrated shutter.The above-mentioned electric control formula four gear transmission reverse same opening and closing air inlet and exhaust integrated shutter includes air inlet window, exhaust window, four gear transmission mechanism, electric push rod, the utility model completely eliminates airflow short circuit, through the interlocking action of air inlet window and exhaust window, completely cut off the path of high-temperature exhaust gas being reabsorbed from physics, fundamentally solve the core problem of causing radiator efficiency to drop sharply;The cycle mode of " one close one open " makes the exhaust process present high speed, pulse type injection, significantly improves the discharge speed and jet distance of hot air, enhances the stability and reliability of heat dissipation effect, especially suitable for vehicle stationary, low-speed and other adverse working conditions.
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Description

Technical Field

[0001] This utility model relates to the field of exhaust window technology for military vehicles, specifically an electrically controlled four-gear transmission reverse opening and closing integrated louver for intake and exhaust. Background Technology

[0002] Airborne vehicles, especially airborne artillery vehicles, have extremely stringent requirements for overall vehicle layout, weight, and protection due to their special combat mode; the cooling system design of the vehicle's power compartment and auxiliary engine compartment must achieve efficient and reliable thermal management within an extremely limited space.

[0003] Currently, the louvers on most airborne vehicles in existing technologies are of a split structure, with the air intake and exhaust windows being two independent components, installed upstream of the radiator and downstream of the exhaust fan, respectively. This layout has the following main drawbacks: 1. Spatial conflict: The split structure requires multiple large openings at different locations on the vehicle body, occupying valuable surface space and hindering the compact and lightweight design of the overall vehicle structure. It also increases the risk of damage to the vehicle during airdrop. 2. The split structure has weaker airflow control: Especially when the vehicle is stationary or moving at low speeds, the high-temperature exhaust gas from the exhaust fan easily forms a hot air circulation around the vehicle body and is re-inhaled by the adjacent air intake, causing an "airflow short circuit." This drastically reduces the radiator's heat exchange efficiency, causes the coolant temperature to rise, and in severe cases, can lead to engine overheating, directly affecting the vehicle's combat effectiveness and mission reliability.

[0004] To address these issues, the industry has proposed a design that integrates the air intake and exhaust windows into one unit. However, simple structural integration, if still using the traditional synchronous opening and closing mode, cannot fundamentally eliminate the risk of "airflow short circuit." High-temperature exhaust gas may still be drawn into the intake side through the internal flow channel or external circulation, and the bottleneck of heat dissipation efficiency remains. Summary of the Invention

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: an electrically controlled four-gear transmission reverse opening and closing air intake and exhaust integrated louver, including a main mounting plate, which also includes an air intake window, an exhaust window, a four-gear transmission mechanism, and an electric push rod.

[0006] The main body of both the air intake window and the exhaust window is a notch on the main mounting plate. The air intake window includes several air intake blades, which are rotatably connected to the notch on the main mounting plate corresponding to the air intake window.

[0007] The exhaust window includes several exhaust blades, which are rotatably connected to the notches on the main mounting plate corresponding to the exhaust window.

[0008] The four-gear transmission mechanism includes a base, which is fixedly mounted on the back of the main mounting plate. A transmission gear is rotatably connected to the base. An idler gear is rotatably mounted on the base and on one side of the transmission gear. A first gear is rotatably mounted on the base and on the other side of the transmission gear. A second gear is rotatably mounted on the base and on the side of the idler gear away from the transmission gear. The adjacent gears mesh in pairs, and all gears are of equal size.

[0009] As a preferred embodiment of the present invention, the air intake blade includes a blade shaft rotatably connected to the main mounting plate, a blade body fixedly mounted on the blade shaft, and a connecting block fixedly mounted on the blade shaft and below the blade body.

[0010] As a preferred embodiment of this invention, the intake blade and the exhaust blade have the same shape but different dimensions.

[0011] As a preferred embodiment of this utility model, a second connecting block is fixedly installed on the gear shafts of both the first gear and the second gear.

[0012] As a preferred embodiment of this utility model, a connecting rod is hinged to the second connecting block, and the two connecting rods are respectively hinged to the first connecting block on the intake blade and the exhaust blade.

[0013] As a preferred technical solution of this utility model, the electric push rod is fixedly installed on the main mounting plate. The extended end of the electric push rod is hinged to the gear shaft of the transmission gear. When the electric push rod extends or retracts, it drives the transmission gear to rotate, thereby driving the intake blade and the exhaust blade to open and close synchronously in opposite directions.

[0014] As a preferred embodiment of this utility model, a dustproof mesh cover is fixedly installed on the main mounting plate and on the front side of the air intake window and the exhaust window.

[0015] The beneficial effects of this utility model are as follows: First, this utility model completely eliminates airflow short circuits. Through the interlocking action of the intake and exhaust windows, the path for high-temperature exhaust gas to be re-inhaled is physically cut off, fundamentally solving the core problem that causes a sharp drop in radiator efficiency. The "one-off-one-on" circulation mode makes the exhaust process high-speed, pulse-like injection, which significantly improves the exhaust speed and jet distance of hot air, enhances the stability and reliability of heat dissipation, and is especially suitable for harsh working conditions such as when the vehicle is stationary or at low speed.

[0016] Second, this utility model is highly integrated, effectively saving space and significantly reducing the number and area of ​​openings on the vehicle body surface, freeing up valuable space for a compact airborne vehicle layout, which is conducive to the lightweight and miniaturized design of the whole vehicle to adapt to the special working environment of airborne vehicles. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Figure 1 This is a front view of the utility model.

[0019] Figure 2 This is a rear view of the present invention.

[0020] Figure 3 This is a front view of the four-gear transmission mechanism of this utility model.

[0021] Figure 4 This is a top view of the four-gear transmission mechanism of this utility model.

[0022] Figure 5 This is a schematic diagram of the gear transmission of the four-gear transmission mechanism of this utility model.

[0023] Figure 6 This is a schematic diagram of the intake blades of this utility model when they are closed.

[0024] Figure 7 This is a schematic diagram of the air intake blades of this utility model when they are open.

[0025] In the diagram: 0. Main mounting plate; 1. Air intake window; 11. Air intake blade; 111. Blade shaft; 112. Blade body; 113. Connecting block No. 1; 2. Exhaust window; 21. Exhaust blade; 3. Four-gear transmission mechanism; 31. Base; 32. Transmission gear; 33. Idler wheel; 34. Gear No. 1; 35. Gear No. 2; 351. Connecting block No. 2; 36. Connecting rod; 4. Electric push rod. Detailed Implementation

[0026] The embodiments of this utility model are described in detail below.

[0027] See Figures 1-2 , Figures 5-7 An electrically controlled four-gear driven reverse-opening and closing integrated louver for air intake and exhaust includes a main mounting plate 0, an air intake window 1, an exhaust window 2, a four-gear transmission mechanism 3, and an electric push rod 4. The main body of the air intake window 1 and the exhaust window 2 are both notches on the main mounting plate 0. The air intake window 1 includes several air intake blades 11, which are rotatably connected to the notches on the main mounting plate 0 corresponding to the air intake window 1. The exhaust window 2 includes several exhaust blades 21, which are rotatably connected to the notches on the main mounting plate 0 corresponding to the exhaust window 2. The air intake blades 11 and the exhaust blades 21 have the same shape but different sizes.

[0028] This utility model is highly integrated, effectively saving space and significantly reducing the number and area of ​​openings on the vehicle body surface. This frees up valuable space for a compact airborne vehicle layout, which is conducive to the lightweight and miniaturized design of the whole vehicle, so as to adapt to the special working environment of airborne vehicles.

[0029] See Figures 1-5 The four-gear transmission mechanism 3 includes a base 31, which is fixedly mounted on the back of the main mounting plate 0. A transmission gear 32 is rotatably connected to the base 31. An idler gear 33 is rotatably mounted on the base 31 and located on one side of the transmission gear 32. A first gear 34 is rotatably mounted on the base 31 and located on the other side of the transmission gear 32. A second gear 35 is rotatably mounted on the base 31 and located on the side of the idler gear 33 away from the transmission gear 32. The adjacent gears mesh in pairs, and all gears are of equal size. The intake blade 11 includes a blade shaft 111 rotatably connected to the main mounting plate 0. A blade body 112 is fixedly mounted on the blade shaft 111. A first connecting block 113 is fixedly mounted on the blade shaft 111 and located below the blade body 112. A second connecting block 351 is fixedly mounted on the gear shafts of both the first gear 34 and the second gear 35.

[0030] See Figures 6-7 The second connecting block 351 is hinged with connecting rods 36, and the two connecting rods 36 are respectively hinged to the first connecting block 113 on the intake blade 11 and the exhaust blade 21.

[0031] See Figures 1-4 The electric push rod 4 is fixedly installed on the main mounting plate 0. The extended end of the electric push rod 4 is hinged to the gear shaft of the transmission gear 32. When the electric push rod 4 extends or retracts, it drives the transmission gear 32 to rotate, thereby driving the intake blade 11 and the exhaust blade 21 to open and close synchronously in opposite directions.

[0032] See Figure 1 Dustproof mesh covers are fixedly installed on the main mounting plate 0 and on the front side of the air intake window 1 and the exhaust window 2.

[0033] Dustproof netting is used to initially filter large particles of dust, reducing the workload of the internal filters of the airborne artillery vehicle.

[0034] This invention completely eliminates airflow short-circuiting. By interlocking the intake window 1 and exhaust window 2, the path for high-temperature exhaust gas to be re-inhaled is physically cut off, fundamentally solving the core problem that causes a sharp drop in radiator efficiency. The "one-off-one-on" circulation mode makes the exhaust process high-speed, pulse-like injection, significantly improving the exhaust speed and jet distance of hot air, enhancing the stability and reliability of the heat dissipation effect, and is especially suitable for harsh conditions such as when the vehicle is stationary or at low speed.

[0035] The following are the working steps of this utility model: When starting to work, the electric push rod 4 will extend and retract at a certain frequency. When the electric push rod 4 extends, it drives the gear shaft of the transmission gear 32 to rotate. The transmission gear 32 simultaneously drives the first gear 34 and the idler wheel 33 to rotate. The idler wheel 33 drives the second gear 35 to rotate. Due to the presence of the idler wheel 33, the first gear 34 and the second gear 35 rotate in opposite directions. The first gear 34 and the second gear 35 respectively drive their respective second connecting blocks 351 to rotate. The second connecting blocks 351 drive the connecting rod 36 to slide, so that the intake blade 11 and the exhaust blade 21 rotate in opposite directions to achieve the working state of the intake window 1 and the exhaust window 2 opening and closing.

[0036] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention, which are still covered by the protection scope of the present invention.

Claims

1. An electrically controlled four-gear transmission reverse opening and closing integrated louver for air intake and exhaust, comprising a main mounting plate (0), characterized in that, It also includes an air intake window (1), an exhaust window (2), a four-gear transmission mechanism (3), and an electric push rod (4); The main body of the air intake window (1) and the exhaust window (2) are both notches on the main mounting plate (0). The air intake window (1) includes several air intake blades (11), which are rotatably connected to the notches on the main mounting plate (0) corresponding to the air intake window (1). The exhaust window (2) includes a plurality of exhaust blades (21), which are rotatably connected to the notches on the main mounting plate (0) corresponding to the exhaust window (2); The four-gear transmission mechanism (3) includes a base (31). The four-gear transmission mechanism (3) is fixedly installed on the back of the main mounting plate (0) via the base (31). A transmission gear (32) is rotatably connected to the base (31). An idler gear (33) is rotatably installed on the base (31) and on one side of the transmission gear (32). A first gear (34) is rotatably installed on the base (31) and on the other side of the transmission gear (32). A second gear (35) is rotatably installed on the base (31) and on the side of the idler gear (33) away from the transmission gear (32). The above-mentioned adjacent gears mesh in pairs, and all gears are of equal size.

2. The electrically controlled four-gear transmission reverse opening and closing integrated louver for air intake and exhaust according to claim 1, characterized in that, The intake blade (11) includes a blade shaft (111) rotatably connected to the main mounting plate (0), a blade body (112) is fixedly mounted on the blade shaft (111), and a connecting block (113) is fixedly mounted on the blade shaft (111) and below the blade body (112).

3. The electrically controlled four-gear transmission reverse opening and closing integrated louver for air intake and exhaust according to claim 2, characterized in that, The intake blade (11) and the exhaust blade (21) have the same shape but different dimensions.

4. The electrically controlled four-gear transmission reverse-opening and closing integrated louver for air intake and exhaust according to claim 1, characterized in that, A second connecting block (351) is fixedly installed on the gear shafts of both the first gear (34) and the second gear (35).

5. The electrically controlled four-gear transmission reverse-opening and closing integrated louver for air intake and exhaust according to claim 4, characterized in that, The second connecting block (351) is hinged with connecting rods (36), and the two connecting rods (36) are respectively hinged to the first connecting block (113) on the intake blade (11) and the exhaust blade (21).

6. The electrically controlled four-gear transmission reverse-opening and closing integrated louver for air intake and exhaust according to claim 1, characterized in that, The electric push rod (4) is fixedly installed on the main mounting plate (0). The extended end of the electric push rod (4) is hinged to the gear shaft of the transmission gear (32). When the electric push rod (4) extends or retracts, it drives the transmission gear (32) to rotate, thereby driving the intake blade (11) and the exhaust blade (21) to open and close synchronously in opposite directions.

7. The electrically controlled four-gear transmission reverse opening and closing integrated louver for air intake and exhaust according to claim 1, characterized in that, Dustproof mesh covers are fixedly installed on the main mounting plate (0) and in front of the air intake window (1) and the exhaust window (2).