A submersible hatch seal locking device

Abstract

The utility model provides a kind of submersible cabin cover sealing locking device, it is related to cabin cover sealing locking field.The submersible cabin cover sealing locking device, including cabin body and cabin cover body, the top surface of the cabin cover body is hinged by pin shaft assembly and cabin body, the inside of the cabin body is provided with locking mechanism, the locking mechanism includes driven gear ring, the outer surface of the driven gear ring is rotatably connected with cabin body, the outer surface of the driven gear ring is engagedly connected with driven gear, one end of the driven gear is rotatably connected with cabin body.The submersible cabin cover sealing locking device is cooperatively arranged by the parts in locking mechanism, to lock the cabin cover body firmly in cabin, by this design, the stability of cabin cover body in closed state is significantly enhanced, effectively avoid the locking function failure caused by power failure in traditional equipment using power drive, the problem that cabin cover body cannot be reliably locked.

Description

Technical Field

[0001] This utility model relates to a locking device, specifically a submersible hatch cover sealing and locking device, belonging to the field of hatch cover sealing and locking technology. Background Technology

[0002] Deep-sea submersibles are key equipment for exploring the mysteries of the ocean, capable of carrying personnel and equipment to depths of tens of thousands of meters. Their hatch sealing and locking devices are of paramount importance. Through multi-point linkage or hydraulic drive, they apply enormous pressure after the hatch is closed, forming an absolute seal with the hatch opening. This ensures that not a drop of water leaks inside the cabin under extreme high-pressure conditions, providing a solid and reliable life safety guarantee for the crew and equipment.

[0003] A search revealed a Chinese patent with publication number CN219584402U that discloses a small marine hatch cover, comprising a hollow shell, with a hatch cover hinged to one end of the shell, an external locking mechanism for locking the hatch cover on the outside of the shell, and an internal locking mechanism for locking the hatch cover inside the hatch cover. The internal locking mechanism includes an electromagnetic cylinder hinged to the inside of the hatch cover and a sleeve fixed to the inner top wall of the hatch cover.

[0004] While the above solution can lock the hatch, in practical applications, the core actuator of the internal locking mechanism, the electromagnetic cylinder, requires continuous power. If a power outage occurs due to a power system failure or other factors, the internal locking function will fail, making it impossible for the hatch to lock properly, thus resulting in low safety. To address this issue, we provide a submersible hatch sealing and locking device to solve the above problems. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] The purpose of this utility model is to provide a submersible hatch sealing and locking device to solve the above-mentioned problems, so as to solve the problem that the locking function will fail after the power is interrupted, resulting in the hatch being unable to be locked and low safety.

[0007] (II) Technical Solution

[0008] This utility model is achieved through the following technical solution: a submersible hatch cover sealing and locking device, including a hatch body and a hatch cover body, the top surface of the hatch cover body is hinged to the hatch body through a pin assembly, a locking mechanism is provided inside the hatch body, the locking mechanism includes a driven toothed ring, the outer surface of the driven toothed ring is rotatably connected to the hatch body;

[0009] The outer surface of the driven gear ring is meshed with a driven gear. One end of the driven gear is rotatably connected to the cabin body. The inner wall of the cabin body is rotatably connected to a connecting rod. One end of the connecting rod is fixedly connected to the driven gear. The end of the connecting rod away from the driven gear is fixedly connected to a drive turntable.

[0010] Preferably, a limiting rod is slidably connected to the inner wall of the active turntable, and a limiting hole adapted to the limiting rod is opened on the top surface of the cabin. By inserting the limiting rod into the limiting hole, the active turntable can be effectively locked.

[0011] Preferably, a baffle is fixedly connected to the outer surface of the limiting rod, the outer surface of the baffle is slidably connected to the active turntable, and a support spring is sleeved on the outer surface of the limiting rod. The two ends of the support spring are fixedly connected to the active turntable and the baffle, respectively. The baffle effectively fixes the support spring.

[0012] Preferably, the inner wall of the cabin is slidably connected with a locking toothed plate, and the outer surface of the cabin cover body is provided with an embedded groove that matches the locking toothed plate. The outer surface of the locking toothed plate meshes with the driven gear, and by driving the driven gear to rotate, the locking toothed plate can be driven to slide synchronously within the cabin.

[0013] Preferably, the interior of the cabin is provided with a sealing mechanism, which includes a sealing disc. The top surface of the sealing disc is fixedly connected to the cabin cover body. Through the arrangement of the cabin cover body and the sealing disc, the cabin can be doubly sealed, effectively improving the sealing safety of the cabin.

[0014] Preferably, a sealing air ring and a sealing ring are fixedly connected to the bottom surface of the hatch body, and a sealing groove adapted to the sealing air ring and the sealing ring is opened on the inner wall of the hatch body. By setting the sealing air ring and the sealing ring, the hatch body and the hatch body can be effectively sealed, effectively preventing water leakage.

[0015] Preferably, a dual-mode air pump is fixedly connected to the top surface of the hatch body. The output end of the dual-mode air pump is fixedly connected to the sealing air ring through a connecting pipe. A connecting pipe is installed between the output end of the dual-mode air pump and the sealing air ring. The outer surface of the connecting pipe is fixedly connected to the hatch body. By starting the dual-mode air pump, gas can be effectively filled into the sealing air ring.

[0016] This utility model provides a sealing and locking device for a submersible hatch, which has the following beneficial effects:

[0017] 1. The submersible hatch cover sealing and locking device achieves a stable lock on the hatch cover body within the cabin by coordinating the components in the locking mechanism. This design significantly enhances the stability of the hatch cover body in the closed state and effectively avoids the problem of traditional equipment using power-driven locking that fails to lock the hatch cover body reliably due to power failure.

[0018] 2. The submersible hatch cover sealing and locking device achieves a reliable seal between the hatch body and the hatch body by coordinating the components in the sealing mechanism. This design significantly improves sealing safety and effectively prevents water leakage. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a three-dimensional structural diagram of the locking mechanism of this utility model;

[0021] Figure 3 This utility model Figure 2 Schematic diagram of the three-dimensional structure at point A in the middle;

[0022] Figure 4 This is a three-dimensional structural diagram of the sealing mechanism of this utility model.

[0023] [Explanation of Key Component Symbols]

[0024] 1. Hull; 2. Hatch cover body;

[0025] 3. Locking mechanism; 301. Driven gear ring; 302. Driven gear; 303. Connecting rod; 304. Driving turntable; 305. Limiting rod; 306. Limiting hole; 307. Stop plate; 308. Support spring; 309. Locking gear plate;

[0026] 4. Sealing mechanism; 401. Sealing disc; 402. Sealing air ring; 403. Sealing ring; 404. Dual-mode air pump. Detailed Implementation

[0027] This utility model provides a sealing and locking device for a submersible hatch.

[0028] Example 1:

[0029] Please see Figure 1 , Figure 2 , Figure 3 and Figure 4 It includes a cabin body 1 and a hatch body 2. The top surface of the hatch body 2 is hinged to the cabin body 1 by a pin assembly. The pin assembly is composed of a pin and a connecting frame. The connecting frame is telescopic, so that when the opening of the cabin body 1 is opened, the hatch body 2 can be slightly moved upward to facilitate opening.

[0030] The interior of the cabin 1 is equipped with a locking mechanism 3, which includes a driven gear ring 301. The outer surface of the driven gear ring 301 is rotatably connected to the cabin 1. Through the cabin 1, the driven gear ring 301 is effectively supported and limited. Furthermore, all components of the locking mechanism 3 are made of high-strength corrosion-resistant materials, thereby ensuring safety in use.

[0031] A driven gear 302 is meshed with the outer surface of the driven gear ring 301. One end of the driven gear 302 is rotatably connected to the cabin 1. A connecting rod 303 is rotatably connected to the inner wall of the cabin 1. One end of the connecting rod 303 is fixedly connected to the driven gear 302. A drive turntable 304 is fixedly connected to the end of the connecting rod 303 away from the driven gear 302. A corrosion-resistant sealing gasket is installed between the connecting rod 303 and the cabin 1. The sealing gasket can effectively prevent water leakage.

[0032] The inner wall of the active turntable 304 is slidably connected with a limiting rod 305. The top surface of the cabin 1 is provided with a limiting hole 306 that matches the limiting rod 305. By inserting the limiting rod 305 into the limiting hole 306, the active turntable 304 can be effectively locked, so that the active turntable 304 cannot rotate again.

[0033] Example 2:

[0034] Please refer to it again. Figure 1 , Figure 2 , Figure 3 and Figure 4 A retaining plate 307 is fixedly connected to the outer surface of the limiting rod 305. The outer surface of the retaining plate 307 is slidably connected to the active turntable 304. A support spring 308 is sleeved on the outer surface of the limiting rod 305. The two ends of the support spring 308 are fixedly connected to the active turntable 304 and the retaining plate 307, respectively. Through the elasticity of the support spring 308 and the synergistic effect of the retaining plate 307, the limiting rod 305 is more stably limited inside the limiting hole 306.

[0035] The inner wall of the cabin 1 is slidably connected with a locking tooth plate 309. The outer surface of the hatch body 2 is provided with an embedding groove that matches the locking tooth plate 309. The outer surface of the locking tooth plate 309 meshes with the driven gear 302. By driving the locking tooth plate 309 to slide into the embedding groove on the surface of the hatch body 2, the hatch body 2 can be effectively locked.

[0036] Example 3:

[0037] Please refer to it again. Figure 1 , Figure 2 and Figure 4The interior of the cabin 1 is equipped with a sealing mechanism 4, which includes a sealing plate 401. The top surface of the sealing plate 401 is fixedly connected to the hatch cover body 2. Through the arrangement of the hatch cover body 2 and the sealing plate 401, the cabin 1 can be double-sealed, effectively improving the sealing safety of the cabin 1. The bottom surface of the hatch cover body 2 is fixedly connected with a sealing air ring 402 and a sealing ring 403. The inner wall of the cabin 1 is provided with a sealing groove that matches the sealing air ring 402 and the sealing ring 403. Through the arrangement of the sealing air ring 402 and the sealing ring 403, the cabin 1 and the hatch cover body 2 can be effectively double-sealed, effectively preventing water leakage.

[0038] A dual-mode air pump 404 is fixedly connected to the top surface of the hatch body 2. The output end of the dual-mode air pump 404 is fixedly connected to the sealing air ring 402 through a connecting pipe. The dual-mode air pump 404 integrates a built-in motor and a manual air cylinder. When there is power, the built-in motor drives the turbine to rotate at high speed, quickly generating airflow for inflation. Exhausting is done by reversing the pump body to draw air in or by opening the solenoid valve. After power failure, the attached manual air cylinder can be connected to physically pressurize the air through piston movement to complete inflation. Exhausting is done by directly operating the mechanical pressure relief valve on the equipment to quickly release air. No electricity is required throughout the process. A connecting pipe is installed between the air end of the dual-mode air pump 404 and the sealing air ring 402. The outer surface of the connecting pipe is fixedly connected to the hatch body 2. By starting the dual-mode air pump 404, gas can be effectively injected into the sealing air ring 402.

[0039] The structural diagrams of the components shown in the attached figures are exemplary. The specific implementation should be adapted and optimized by considering the functional requirements, assembly conditions and process limitations in the actual application scenario, and adjusting the structural parameters, size specifications and connection methods accordingly.

[0040] In use, this invention works as follows: First, the hatch cover body 2 is fastened into the cabin body 1 via the pin assembly to complete the initial sealing. Simultaneously, the sealing disc 401 moves with the hatch cover body 2 to perform a secondary sealing of the cabin body 1. The sealing ring 403 also moves with the hatch cover body 2 to perform the initial sealing. At the same time, the dual-mode air pump 404 is activated to fill the sealing air ring 402 with gas for a secondary sealing. This multiple sealing significantly improves sealing safety and effectively prevents leakage. Second, the limiting rod 305 is pulled up to slide out of the limiting hole 306 to release the limitation of the active turntable 304. Then, the active turntable 304 is turned to drive the connecting rod 303 to rotate. The rotation of the connecting rod 303 drives a driven gear 302 to rotate. During the rotation of the driven gear 302, the driven gear 302 works in conjunction with the driven gear ring 301 to achieve the desired effect. The driven gear 302 rotates synchronously, and the rotation of the driven gear 302 drives the locking tooth plate 309 to slide within the driven tooth ring 301. The locking tooth plate 309 slides into the embedded groove on the surface of the hatch body 2, effectively locking the hatch body 2. After the locking tooth plate 309 is embedded in the embedded groove on the surface of the hatch body 2, the limiting rod 305 is released. At this time, the support spring 308 will no longer be subjected to upward pressure, and thus pushes the baffle 307 downward through its own elasticity. The downward movement of the baffle 307 drives the limiting rod 305 to be inserted into the limiting hole 306 again to limit the active turntable 304. Through this purely mechanical operation design, the stability of the hatch body 2 in the closed state is significantly enhanced, effectively avoiding the problem that the locking function fails due to power failure when the power is cut off in traditional equipment that uses electric drive, and thus cannot reliably lock the hatch body 2.

[0041] 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 illustrative of the principles of this 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 claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A sealing and locking device for a submersible hatch cover, comprising a hatch body (1) and a hatch cover body (2), characterized in that: The top surface of the hatch body (2) is hinged to the hatch body (1) by a pin assembly. The hatch body (1) is provided with a locking mechanism (3). The locking mechanism (3) includes a driven gear ring (301). The outer surface of the driven gear ring (301) is rotatably connected to the hatch body (1). The outer surface of the driven gear ring (301) is meshed with a driven gear (302). One end of the driven gear (302) is rotatably connected to the cabin (1). The inner wall of the cabin (1) is rotatably connected to a connecting rod (303). One end of the connecting rod (303) is fixedly connected to the driven gear (302). The end of the connecting rod (303) away from the driven gear (302) is fixedly connected to a drive turntable (304).

2. The submersible hatch sealing and locking device according to claim 1, characterized in that: The inner wall of the active turntable (304) is slidably connected to a limiting rod (305), and the top surface of the cabin (1) is provided with a limiting hole (306) that matches the limiting rod (305).

3. The submersible hatch sealing and locking device according to claim 2, characterized in that: A baffle (307) is fixedly connected to the outer surface of the limiting rod (305). The outer surface of the baffle (307) is slidably connected to the active turntable (304). A support spring (308) is sleeved on the outer surface of the limiting rod (305). The two ends of the support spring (308) are fixedly connected to the active turntable (304) and the baffle (307) respectively.

4. The submersible hatch sealing and locking device according to claim 1, characterized in that: The inner wall of the cabin (1) is slidably connected with a locking tooth plate (309), and the outer surface of the hatch body (2) is provided with an embedded groove that matches the locking tooth plate (309). The outer surface of the locking tooth plate (309) meshes with the driven gear (302).

5. The submersible hatch sealing and locking device according to claim 1, characterized in that: The cabin (1) is equipped with a sealing mechanism (4), which includes a sealing plate (401) and the top surface of the sealing plate (401) is fixedly connected to the cabin cover body (2).

6. The submersible hatch sealing and locking device according to claim 1, characterized in that: The bottom surface of the hatch body (2) is fixedly connected with a sealing air ring (402) and a sealing ring (403), and the inner wall of the hatch (1) is provided with a sealing groove that is compatible with the sealing air ring (402) and the sealing ring (403).

7. A submersible hatch sealing and locking device according to claim 6, characterized in that: A dual-mode air pump (404) is fixedly connected to the top surface of the hatch body (2), and the output end of the dual-mode air pump (404) is fixedly connected to the sealing air ring (402) through a connecting pipe.

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