Underwater robotic waterproofing device for multi-environment compatibility

CN224829486UActive Publication Date: 2026-10-09ZHENGZHOU UNIV
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Patent Information

Application Number
CN202522577821.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-04
Publication Date
2026-10-09
Estimated Expiration
2035-12-04

AI Technical Summary

Technical Problem

[0006]针对现有技术中,水下机器人防水密封装置存在的密封结构在深水高压环境下容易因水压导致密封件变形失效、可靠性差,以及外壳连接拆装繁琐、维护效率低的问题,本实用新型旨在提供一种结构经过改良的、能够有效解决上述问题的用于多环境兼容的水下机器人防水密封装置

Benefits of technology

[0020]1. This utility model solves the problem in the prior art where the sealing strip is easily deformed by water pressure in deep water and high pressure environments, leading to sealing failure, by setting a double sealing structure consisting of an outer sealing strip and an inner sealing strip, and setting a rigid reinforcing connecting plate between the two sealing strips. It achieves the technical effect of the reinforcing connecting plate providing rigid mechanical support for the sealing strip, preventing it from deforming under high pressure, thereby greatly improving the waterproof reliability of the device in deep water environments.

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Abstract

The utility model relates to underwater robot equipment technical field discloses underwater robot waterproof sealing device for multi -environment compatibility, including frame, upper shell and lower shell still include the sealing mechanism of setting in the junction of upper shell and lower shell, and the connecting mechanism for locking upper shell and lower shell. The sealing mechanism includes outer sealing strip, inner sealing strip and the reinforcing connecting plate rigidly arranged between outer sealing strip and inner sealing strip. The connecting mechanism includes the hollow ring plate no. The alignment assembly of fixed connection in the outer side of lower shell, the rotating connection in the rotating rod of hollow ring plate no. The utility model provides reliable mechanical support for sealing strip through setting reinforcing connecting plate, prevents its deformation failure under high pressure, has improved the sealing reliability of device under deep water environment significantly, and simultaneously, through the connecting mechanism of rotation locking, has realized the quick assembly and disassembly of outer shell, has promoted maintenance convenience.
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Description

Technical Field

[0001] This utility model relates to the field of underwater robot equipment technology, and in particular to a waterproof sealing device for underwater robots that is compatible with multiple environments. Background Technology

[0002] Underwater robots are essential equipment for ocean exploration, underwater operations, and scientific research. They integrate sophisticated electronic components, sensors, and control systems and must be reliably protected in the underwater environment.

[0003] To achieve this protection, underwater robots typically use a sealed outer shell composed of upper and lower shells joined together, with a sealing structure at the shell joint. For example, a flange face is used in conjunction with an elastic sealing ring or gasket, and the sealing ring is pressed tightly by a pre-tightening force to achieve waterproofing.

[0004] In shallow water or environments with minimal pressure changes (single environment), this traditional sealing method can provide basic waterproofing. However, the application environments of underwater robots are becoming increasingly complex, often requiring "multi-environment compatibility," that is, moving and operating between different water depths (e.g., diving from the surface to deeper water areas).

[0005] When a robot dives into deep water, the external hydrostatic pressure increases dramatically. For traditional elastic sealing structures, this enormous external pressure acts directly on the sealing ring. Due to the significant pressure difference between the inside and outside of the sealing ring, the high pressure can cause the elastic sealing ring to deform excessively, or even "squeeze" it out of the sealing groove, leading to seal failure. To address this issue, a waterproof sealing device for underwater robots compatible with multiple environments is proposed. Utility Model Content

[0006] In view of the problems existing in the waterproof sealing device of underwater robots, such as the sealing structure being prone to deformation and failure due to water pressure in deep water and high pressure environment, poor reliability, and cumbersome assembly and disassembly of the shell and low maintenance efficiency, this utility model aims to provide a waterproof sealing device for underwater robots with improved structure that can effectively solve the above problems and is compatible with multiple environments.

[0007] This utility model provides a waterproof sealing device for underwater robots that are compatible with multiple environments, including: a frame, an upper shell, and a lower shell; the lower shell is fixedly connected to the frame, and the upper shell and the lower shell are detachably connected.

[0008] The device also includes a sealing mechanism disposed at the junction of the upper and lower shells, and a connecting mechanism for locking the upper and lower shells;

[0009] The sealing mechanism includes an outer sealing strip, an inner sealing strip, and a reinforcing connecting plate rigidly disposed between the outer sealing strip and the inner sealing strip;

[0010] Furthermore, the connecting mechanism includes a hollow ring plate fixedly connected to the outer side of the upper shell, an alignment component fixedly connected to the outer side of the lower shell, a rotating rod rotatably connected to the hollow ring plate, and a semi-circular plate fixedly connected to the bottom end of the rotating rod.

[0011] The alignment assembly includes a hollow ring plate 2 and an alignment rotating plate; during assembly, the bottom end of the hollow ring plate 1 contacts the top end of the hollow ring plate 2; the rotating rod drives the semicircular plate to rotate, and the semicircular plate slides in the internal space of the hollow ring plate 1 and the hollow ring plate 2, and presses the alignment rotating plate to achieve locking.

[0012] Preferably, a sealing groove 1 is provided on the outer side of the upper shell, and an outer sealing strip is installed in the sealing groove 1; a sealing groove 2 is provided on the outer side of the lower shell, and an inner sealing strip is installed in the sealing groove 2. The cooperation of the double sealing grooves and sealing strips improves the stability of the seal.

[0013] Preferably, the reinforcing connecting plate is a rigid plate, with its two sides respectively abutting against the outer sealing strip and the inner sealing strip, which is used to provide mechanical support when the outer sealing strip is subjected to high pressure. This rigid support structure can effectively prevent the outer sealing strip from being squeezed and deformed under high water pressure.

[0014] Preferably, a raised ring is provided on the outer side of the semicircular plate, which serves as a guide structure to make the movement of the semicircular plate more stable.

[0015] Preferably, the semicircular plate slides within the internal tracks of the first and second hollow ring plates via a convex ring. This track-type sliding ensures precise guidance of the locking action.

[0016] Preferably, in the locked state, the semicircular plate and the alignment plate are respectively locked inside the hollow ring plate one and the hollow ring plate two, and each occupies half of the space, forming a firm symmetrical lock.

[0017] Preferably, a rotating groove is provided on the hollow ring plate, the rotating rod is accommodated in the rotating groove and rotates along the limited trajectory of the rotating groove, and the rotating groove provides a clear rotation limit for the rotating rod.

[0018] Preferably, the waterproof sealing device for underwater robots compatible with multiple environments also includes a propeller base, which is installed at the bottom of the lower shell to provide underwater power for the robot.

[0019] This utility model has the following beneficial effects:

[0020] 1. This utility model solves the problem in the prior art where the sealing strip is easily deformed by water pressure in deep water and high pressure environments, leading to sealing failure, by setting a double sealing structure consisting of an outer sealing strip and an inner sealing strip, and setting a rigid reinforcing connecting plate between the two sealing strips. It achieves the technical effect of the reinforcing connecting plate providing rigid mechanical support for the sealing strip, preventing it from deforming under high pressure, thereby greatly improving the waterproof reliability of the device in deep water environments.

[0021] 2. This utility model solves the problem that underwater robot shells are mostly fixed with bolts in the prior art, which is cumbersome to disassemble and assemble and has low maintenance efficiency. It achieves the technical effect of quickly locking and separating the upper and lower shells by simply rotating the rotating rod, which is convenient to operate and greatly improves the convenience of maintenance.

[0022] 3. This utility model solves the problem of misalignment or jamming that may occur in the quick locking mechanism during rotation by setting a convex ring on the outer side of the semicircular plate and utilizing the convex ring to slide in the track inside the hollow ring plate. It achieves the technical effect of providing precise guidance for the rotation of the semicircular plate and ensuring a smooth, stable and reliable locking process. Attached Figure Description

[0023] Figure 1 This is a three-dimensional schematic diagram of the waterproof sealing device for underwater robots that is compatible with multiple environments, as proposed in this utility model.

[0024] Figure 2 This is an exploded view of the waterproof sealing device for underwater robots that is compatible with multiple environments, as proposed in this utility model.

[0025] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0026] Figure 4 This is a structural schematic diagram of the reinforced connecting plate of the waterproof sealing device for underwater robots that is compatible with multiple environments, as proposed in this utility model.

[0027] Legend:

[0028] 1. Frame; 2. Upper casing; 3. Lower casing;

[0029] 4. Sealing mechanism; 41. Outer sealing strip; 42. Reinforcing connecting plate; 43. Inner sealing strip; 44. Sealing groove one; 45. Sealing groove two;

[0030] 5. Connecting mechanism; 51. Hollow ring plate 1; 52. Semicircular plate; 53. Protruding ring; 54. Rotating rod;

[0031] 55. Alignment assembly; 551. Hollow ring plate II; 552. Alignment rotating plate;

[0032] 6. Paddle base. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Example:

[0035] Reference Figures 1 to 4 This utility model provides a waterproof sealing device for underwater robots that is compatible with multiple environments. It aims to solve the problem that the sealing structure of existing underwater robot sealing devices is prone to deformation and failure due to excessive pressure in deep water and high-pressure environments, which leads to the problem of waterproof reliability.

[0036] The waterproof sealing device for underwater robots compatible with multiple environments includes a frame 1, which serves as the main support. The lower shell 3 is fixedly connected to the frame 1. The upper shell 2 and the lower shell 3 together constitute the waterproof outer shell of the robot. The upper shell 2 and the lower shell 3 are detachably connected. The device also includes a propeller base 6, which is installed at the bottom of the lower shell 3. A sealing mechanism 4 is set at the joint between the upper shell 2 and the lower shell 3. A connecting mechanism 5 is set on the outside of the upper shell 2 and the lower shell 3 to lock and fix the upper shell 2 and the lower shell 3. The sealing mechanism 4 is used to form a reliable waterproof barrier at the joint of the outer shell. The connecting mechanism 5 is used to provide locking force while realizing convenient assembly and disassembly of the outer shell.

[0037] The sealing mechanism 4 is located at the junction of the upper shell 2 and the lower shell 3, and includes an outer sealing strip 41, an inner sealing strip 43, and a reinforcing connecting plate 42. The reinforcing connecting plate 42 is rigidly positioned between the outer sealing strip 41 and the inner sealing strip 43. To facilitate the installation of the sealing strips, a sealing groove 44 is provided on the outer side of the upper shell 2, and the outer sealing strip 41 is installed in the sealing groove 44. A sealing groove 45 is provided on the outer side of the lower shell 3, and the inner sealing strip 43 is installed in the sealing groove 45. When the upper shell 2 and the lower shell 3 are assembled and aligned, the outer sealing strip 41 and the inner sealing strip 43 are compressed respectively to form a sealing barrier. The reinforcing connecting plate 42 is a rigid plate, and its two sides abut against the outer sealing strip 41 and the inner sealing strip 43 respectively. The structure is used to provide mechanical support when the outer sealing strip (41) is subjected to high pressure, preventing the outer sealing strip 41 from being squeezed and deformed or falling out of the sealing groove 44 under high pressure, thereby ensuring the sealing reliability of the device in a deep water environment.

[0038] Reference Figure 2 and Figure 3The connecting mechanism 5 is used to quickly lock the upper shell 2 and the lower shell 3 together and provide the necessary pre-tightening pressure for the sealing mechanism 4. The connecting mechanism 5 includes a hollow ring plate 51 fixedly connected to the outside of the upper shell 2, an alignment component 55 fixedly connected to the outside of the lower shell 3, a rotating rod 54 rotatably connected to the hollow ring plate 51, and a semi-circular plate 52 fixedly connected to the bottom end of the rotating rod 54. The alignment component 55 includes a hollow ring plate 551 and an alignment rotating plate 552. During assembly, the upper shell 2 and the lower shell 3 are aligned, and the bottom end of the hollow ring plate 51 and the top end of the hollow ring plate 551 are in relative contact. The operator rotates the rotating rod 54, which drives the semi-circular plate 52 to rotate. The semi-circular plate 52 slides in the internal space of the hollow ring plate 51 and the hollow ring plate 551 and squeezes the alignment rotating plate 552, thus achieving the quick locking of the upper shell 2 and the lower shell 3.

[0039] In a preferred embodiment, in order to improve the guidance and stability of the rotation of the semicircular plate 52, a convex ring 53 is provided on the outer side of the semicircular plate 52. When the rotating rod 54 drives the semicircular plate 52 to rotate, the semicircular plate 52 slides in the internal track formed by the hollow ring plate 1 51 and the hollow ring plate 2 551 with the help of the convex ring 53, which ensures the smoothness and precise alignment of the locking process.

[0040] In a preferred embodiment, in order to limit the rotation range of the rotating rod 54 and indicate the locking state, a rotation groove is provided on the hollow ring plate 51, the rotating rod 54 is accommodated in the rotation groove, and the rotating rod 54 rotates from the unlocked position to the locked position along the limited trajectory of the rotation groove.

[0041] In a preferred embodiment, to clearly define the locking state, the semicircular plate 52 and the alignment rotating plate 552 are respectively locked inside the hollow ring plate 1 51 and the hollow ring plate 2 551 in the locking state, and each occupies half of the space. This symmetrical locking structure achieves a firm lock.

[0042] In a preferred embodiment, to give the underwater robot mobility, the device further includes a propeller base 6, which is mounted on the bottom end of the lower shell 3 and is used to mount the propulsion device.

[0043] The implementation principle of this application embodiment is as follows: The underwater robot uses the frame 1 as the main support. The main body is quickly spliced ​​together with the upper shell 2 and the lower shell 3 through the connecting mechanism 5. The bottom of the lower shell 3 is equipped with a propeller base 6, which allows the robot to move freely underwater. At the same time, in order to ensure the normal operation of the robot underwater, a sealing mechanism 4 is added between the upper shell 2 and the lower shell 3 for waterproofing, preventing water from entering the body from the gaps in the outer shell and affecting the internal electronic components.

[0044] Sealing groove 1 44 and sealing groove 2 45 are provided on the outer side of the upper shell 2 and the lower shell 3. When the two are combined, an outer sealing strip 41 is installed inside the sealing groove 1 44 as the first layer of external protection, and an inner sealing strip 43 is installed inside the sealing groove 2 45 as the second layer of internal protection. The double protection ensures the normal use of internal electronic components. At the same time, in order to prevent the robot from being affected by pressure when working in deep water, a reinforcing connecting plate 42 is provided between the outer sealing strip 41 and the inner sealing strip 43 to connect the two and at the same time to give the outer sealing strip 41 and the inner sealing strip 43 a fixed force to ensure that the seal is effective.

[0045] Multiple hollow ring plates 51 are installed on the outside of the upper shell 2, and multiple alignment components 55 are installed on the outside of the lower shell 3. When the upper shell 2 and the lower shell 3 are connected, the bottom end of the hollow ring plate 51 is in relative contact with the top end of the hollow ring plate 551 in the alignment component 55. Rotating the rotating rod 54 located outside the hollow ring plate 51 drives the semi-circular plate 52 fixed at the bottom to rotate. At this time, the outer side of the semi-circular plate 52 is provided with a protruding ring 53. The semi-circular plate 52 slides along the trajectory inside the hollow ring plate 51 and the hollow ring plate 551 with the help of the protruding ring 53. The semi-circular plate 52 presses the alignment rotating plate 552 below until the rotating rod 54 reaches the other end of the rotating groove opened in the hollow ring plate 51. The semi-circular plate 52 and the alignment rotating plate 552 are each half in the hollow ring plate 51 and the hollow ring plate 551, and finally the connection and fixation are achieved.

[0046] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A waterproof sealing device for underwater robots compatible with multiple environments, comprising: Rack (1); Upper shell (2); The lower shell (3) is fixedly connected to the frame (1), and the upper shell (2) is detachably connected to the lower shell (3); The feature is that it further includes a sealing mechanism (4) disposed at the junction of the upper shell (2) and the lower shell (3), the sealing mechanism (4) including an outer sealing strip (41), an inner sealing strip (43), and a reinforcing connecting plate (42) rigidly disposed between the outer sealing strip (41) and the inner sealing strip (43); It also includes a connection mechanism (5) for locking the upper shell (2) and the lower shell (3). The connection mechanism (5) includes a hollow ring plate (51) fixedly connected to the outside of the upper shell (2), an alignment component (55) fixedly connected to the outside of the lower shell (3), a rotating rod (54) rotatably connected to the hollow ring plate (51), and a semi-circular plate (52) fixedly connected to the bottom end of the rotating rod (54). The alignment component (55) includes a second hollow ring plate (551) and an alignment rotating plate (552), wherein the bottom end of the first hollow ring plate (51) is in relative contact with the top end of the second hollow ring plate (551). The rotating rod (54) drives the semicircular plate (52) to rotate, so that the semicircular plate (52) slides in the internal space of the first hollow ring plate (51) and the second hollow ring plate (551), and presses the alignment rotating plate (552) to achieve locking.

2. The waterproof sealing device for underwater robots compatible with multiple environments according to claim 1, characterized in that, The outer side of the upper shell (2) is provided with a sealing groove (44), and the outer sealing strip (41) is installed in the sealing groove (44); the outer side of the lower shell (3) is provided with a sealing groove (45), and the inner sealing strip (43) is installed in the sealing groove (45).

3. The waterproof sealing device for underwater robots compatible with multiple environments according to claim 1, characterized in that, The reinforcing connecting plate (42) is a rigid plate, with its two sides abutting against the outer sealing strip (41) and the inner sealing strip (43) respectively, and is used to provide mechanical support when the outer sealing strip (41) is subjected to high pressure.

4. The waterproof sealing device for underwater robots compatible with multiple environments according to claim 1, characterized in that, A raised ring (53) is provided on the outer side of the semicircular plate (52).

5. The waterproof sealing device for underwater robots compatible with multiple environments according to claim 4, characterized in that, The semicircular plate (52) slides on the internal tracks of the hollow ring plate one (51) and the hollow ring plate two (551) by means of the convex ring (53).

6. The waterproof sealing device for underwater robots compatible with multiple environments according to claim 1, characterized in that, In the locked state, the semicircular plate (52) and the alignment plate (552) are respectively locked inside the hollow ring plate one (51) and the hollow ring plate two (551), and each occupies half of the space.

7. The waterproof sealing device for underwater robots compatible with multiple environments according to claim 1, characterized in that, A rotating groove is provided on the hollow ring plate (51), and the rotating rod (54) is accommodated in the rotating groove and rotates along the defined trajectory of the rotating groove.

8. The waterproof sealing device for underwater robots compatible with multiple environments according to claim 1, characterized in that, The device also includes a blade base (6), which is mounted on the bottom end of the lower shell (3).