CN212829002U - Waterproof sealing device - Google Patents
Waterproof sealing device Download PDFInfo
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- CN212829002U CN212829002U CN202021418418.1U CN202021418418U CN212829002U CN 212829002 U CN212829002 U CN 212829002U CN 202021418418 U CN202021418418 U CN 202021418418U CN 212829002 U CN212829002 U CN 212829002U
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Abstract
The utility model discloses a waterproof sealing device belongs to sealing device technical field, and this waterproof sealing device is used for the sealed between sealed cabin and the cable, waterproof sealing device includes: the sealing plug is formed on the cable in an injection molding mode and is sealed and plugged in a cable sealing hole of the sealed cabin; a fixing assembly configured to compress the sealing plug against the capsule. The waterproof sealing device has the advantages of simple structure, small size, low cost, capability of realizing rapid mass production, capability of realizing waterproof sealing between the underwater machine equipment sealed cabin with large depth and the cable, high reliability and wider application environment.
Description
Technical Field
The utility model relates to a sealing device technical field especially relates to a waterproof sealing device.
Background
The existing underwater machine equipment basically needs to use cables which are tools for carrying out various signal or energy transmission of the equipment, and almost all the underwater machine equipment needs to lead the cables to pass through a sealed cabin. However, the outer skin of the cable is generally made of soft rubber materials, the sealed cabin is generally made of metal materials, and the two materials with different properties are difficult to be well combined.
The existing sealing mode is generally glue pot sealing, the mode has the advantages of low cost and poor reliability, and particularly when the depth exceeds 100m, glue and cables can be separated due to overlarge pressure, and water leakage of a sealed cabin can be caused frequently because the glue falls off. Another common sealing method is to use a glan head to clamp the cable, which is only suitable for the cable with a small depth to prevent water, and the cable is damaged due to an excessive clamping force. And the other sealing mode is to directly connect the watertight connector on the sealed cabin cover, and the sealing mode has the advantages of better reliability and convenient disassembly and assembly. But the shortcoming is that current watertight connects general bulky, connects long, and weight is heavy, and occupation space is big, and general price is comparatively expensive moreover, and this is all not applicable to present underwater machinery equipment miniaturization trend and cost control demand.
Therefore, it is desirable to provide a waterproof sealing device suitable for use between a sealed cabin of underwater equipment and a cable to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a waterproof sealing device, simple structure, small in size, it is with low costs, and the reliability is high.
In order to achieve the above object, the utility model adopts the following technical scheme:
a watertight sealing device for sealing between a capsule and a cable, the watertight sealing device comprising:
the sealing plug is formed on the cable in an injection molding mode and is sealed and plugged in a cable sealing hole of the sealed cabin;
a fixing assembly configured to compress the sealing plug against the capsule.
As a preferable technical solution of the waterproof sealing device, the sealing plug includes:
the sealing part is sealed and plugged in the cable sealing hole;
the positioning part is connected to one side, far away from the sealed cabin, of the sealed part, and the diameter of the positioning part is larger than that of the sealed part.
As a preferable technical solution of the above waterproof sealing device, a longitudinal section of the sealing portion is trapezoidal, and a cross-sectional area of the sealing portion gradually decreases in a direction away from the positioning portion.
As a preferred technical solution of the above waterproof sealing device, the cable sealing hole is stepped, the sealing portion is disposed in the small diameter hole of the cable sealing hole in an interference manner, the positioning portion is disposed in the large diameter hole of the cable sealing hole, and a top surface of the positioning portion is higher than a top surface of the capsule.
As a preferable aspect of the waterproof sealing device, the fixing member includes:
the bottom surface of the compression block is abutted against the top surface of the sealed cabin, a first connecting hole is formed in the compression block, and a second connecting hole is correspondingly formed in the sealed cabin;
a fastening screw disposed through the first and second connection holes.
As a preferable technical solution of the above waterproof sealing device, the pressing block includes:
the main body part is provided with a through hole, the pressing block is sleeved on the cable through the through hole, and the bottom surface of the main body part is abutted against the top surface of the sealed cabin;
and the flange part is arranged on the outer side of the main body part and is provided with the first connecting hole.
In a preferred embodiment of the waterproof sealing device, the diameter of the through hole is larger than the diameter of the cable.
As a preferable technical solution of the waterproof sealing device, two of the flange portions are symmetrically provided on opposite sides of the main body portion.
As a preferable technical solution of the waterproof sealing device, the sealed cabin includes:
a cabin body;
the cabin cover is arranged at one end of the cabin body in a sealing mode, and the cabin cover is provided with the cable sealing hole and the second connecting hole.
As a preferable technical solution of the waterproof sealing device, the material of the sealing plug is the same as that of the cable sheath.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a waterproof sealing device, including sealed end cap and fixed subassembly, sealed end cap injection moulding is on the cable, and sealed end cap sealing connection is in the cable seal hole of sealed cabin, and fixed subassembly is configured to be used for compressing tightly sealed end cap in sealed cabin. The waterproof sealing device has the advantages of simple structure, small size, low cost, capability of realizing rapid mass production, capability of realizing waterproof sealing between the underwater machine equipment sealed cabin with large depth and the cable, high reliability and wider application environment.
Drawings
Fig. 1 is a schematic structural view of a waterproof sealing device according to an embodiment of the present invention;
fig. 2 is an exploded view of the structure of a waterproof seal device according to an embodiment of the present invention;
fig. 3 is a schematic structural view of the cable and the sealing plug according to the embodiment of the present invention.
In the figure:
1. sealing the plug; 11. a sealing part; 12. a positioning part;
2. a fixing assembly; 21. a compression block; 22. fastening screws;
100. sealing the cabin; 101. a cabin body; 102. a hatch cover; 1021. a cable sealing hole; 200. a cable.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplicity of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The embodiment discloses a waterproof sealing device for sealing between the underwater machinery equipment sealed cabin 100 and the cable 200, the waterproof sealing device is simple in structure, small in size, low in cost, capable of achieving rapid mass production, capable of achieving waterproof sealing between the underwater machinery equipment sealed cabin 100 with large depth and the cable 200, high in reliability and wider in application environment.
As shown in fig. 1 and fig. 2, the waterproof sealing device includes a sealing plug 1 and a fixing assembly 2, wherein the sealing plug 1 is injection-molded on a cable 200, and the sealing plug 1 is sealed and plugged in a cable sealing hole 1021 of a sealed cabin 100; the fastening assembly 2 is configured to fasten the seal plug 1 to the capsule 100.
Specifically, the sealed cabin 100 comprises a cabin body 101 and a cabin cover 102, the cabin cover 102 is sealed and arranged at one end of the cabin body 101, a cable sealing hole 1021 is formed in the cabin cover 102, and the fixing assembly 2 presses the sealing plug 1 against the cabin cover 102 of the sealed cabin 100.
Further, as shown in fig. 3, the sealing plug 1 includes a sealing portion 11 and a positioning portion 12, the sealing portion 11 is sealed and plugged in the cable sealing hole 1021, the positioning portion 12 is connected to a side of the sealing portion 11 away from the capsule 100, and a diameter of the positioning portion 12 is greater than a diameter of the sealing portion 11, so as to facilitate connection and fixation of the sealing plug 1 and the capsule 100.
Further, the longitudinal section of the sealing portion 11 is trapezoidal, and the cross-sectional area of the sealing portion 11 is gradually reduced in a direction away from the positioning portion 12. It is further preferable that the cable sealing hole 1021 has a stepped shape, the sealing portion 11 is disposed in a small diameter hole of the cable sealing hole 1021 in an interference manner, the positioning portion 12 is disposed in a large diameter hole of the cable sealing hole 1021, and a top surface of the positioning portion 12 is higher than a top surface of the hatch 102. Under the structure, when the sealing plug 1 is assembled with the sealed cabin 100, the sealing part 11 is deformed to be in close contact with the inner wall of the small-diameter hole in the process of gradually extruding the small-diameter hole entering the cable sealing hole 1021, so that interference connection is realized, the cable sealing hole 1021 is plugged, and the reliability is high; meanwhile, the top surface of the positioning portion 12 is higher than the top surface of the hatch 102, and when the fixing assembly 2 is installed subsequently, the fixing assembly 2 can press the positioning portion 12 to be deformed, so that the connection reliability is further improved.
Furthermore, the fixing assembly 2 comprises a pressing block 21 and a fastening screw 22, wherein the bottom surface of the pressing block 21 is abutted to the top surface of the hatch cover 102, the pressing block 21 is provided with a first connecting hole, the hatch cover 102 of the sealed hatch 100 is correspondingly provided with a second connecting hole, and the fastening screw 22 is arranged through the first connecting hole and the second connecting hole to fix the pressing block 21 on the hatch cover 102, at this time, the bottom surface of the pressing block 21 is pressed on the top surface of the positioning part 12 and presses the positioning part 12 to generate deformation, so that the pressing connection between the sealing plug 1 and the hatch cover 102 is realized, and the direct front pressing sealing between the cable 200 and the sealed hatch 100 is realized, and the deeper underwater depth is, the larger pressing force is, the better sealing performance is, and the risk of water leakage of the sealed hatch 100 can be reduced by 50%. Tests prove that the waterproof sealing device with the structure can be used in an underwater environment with the depth of more than 350m for a long time.
In this embodiment, the pressing block 21 includes a main body portion and a flange portion, a through hole is formed in the main body portion, the pressing block 21 is sleeved on the cable 200 through the through hole, and the bottom surface of the main body portion abuts against the top surface of the hatch 102; the flange portion sets up in the outside of main part, and flange portion and main part integrated into one piece and thickness are the same, have seted up first connecting hole in the flange portion. The contact area between the pressing block 21 and the positioning part 12 can be increased by adopting a hole digging and sleeving manner, so that the pressing force of the pressing block 21 on the positioning part 12 is improved, and the connection reliability of the sealing plug 1 and the sealing cabin 100 is improved. Preferably, the diameter of the through-going hole is slightly larger than the diameter of the cable 200 to avoid rubbing the cable 200. In other embodiments, the connection between the pressing block 21 and the sealing plug 1 may also be achieved by other methods besides the manner of digging a hole and sleeving the hole, which is not described herein again.
In order to further improve the connection reliability, two flange parts are symmetrically arranged on two opposite sides of the main body part. The number and distribution of the flange parts may be set according to actual conditions, for example, three flange parts may be uniformly distributed along the outer circumference of the main body part, and the like, and this embodiment is not illustrated.
In this embodiment, the material of the sealing plug 1 is the same as the material of the sheath of the cable 200, so that the cable 200 and the sealing plug 1 become an integral piece after injection molding, and the integrity and the combination stability of the sealing plug 1 and the cable 200 are significantly improved.
When the waterproof sealing device provided by the embodiment is used, firstly, the outer skin of the cable 200 is treated by a special chemical means to soften the outer skin and enhance the adhesion, then the sealing plug 1 is injection-molded on the cable 200 by using a mold, the cable 200 with the sealing plug 1 is pressed into the cable sealing hole 1021 on the hatch cover 102 of the sealed cabin 100, then the sealing plug 1 is pressed on the hatch cover 102 by the pressing block 21, and finally the fastening screw 22 is locked, so that the sealed assembly of the cable 200 and the sealed cabin 100 is completed. It should be noted that the above-mentioned special chemical means may be to wipe the surface of the outer skin with cable character-removing water, which is a common chemical product in the field and the working principle of which is not described herein again.
The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A watertight sealing arrangement for sealing between a cabin (100) and a cable (200), characterized in that the watertight sealing arrangement comprises:
the sealing plug (1) is formed on the cable (200) in an injection molding mode, and the sealing plug (1) is sealed and plugged in a cable sealing hole (1021) of the sealed cabin (100);
a fixing component (2), wherein the fixing component (2) is configured to press the sealing plug (1) on the sealed cabin (100).
2. The watertight sealing device according to claim 1, characterized in that said sealing plug (1) comprises:
the sealing part (11) is sealed and plugged in the cable sealing hole (1021);
the positioning part (12), the positioning part (12) is connected to one side of the sealing part (11) far away from the sealed cabin (100), and the diameter of the positioning part (12) is larger than that of the sealing part (11).
3. The watertight sealing device according to claim 2,
the longitudinal section of the sealing part (11) is trapezoidal, and the cross sectional area of the sealing part (11) is gradually reduced along the direction far away from the positioning part (12).
4. The watertight sealing device according to claim 3,
the cable sealing hole (1021) is in a step shape, the sealing part (11) is arranged in a small-diameter hole of the cable sealing hole (1021) in an interference mode, the positioning part (12) is arranged in a large-diameter hole of the cable sealing hole (1021), and the top surface of the positioning part (12) is higher than that of the sealing cabin (100).
5. The watertight sealing device according to claim 4, characterized in that said fixing assembly (2) comprises:
the bottom surface of the pressing block (21) is abutted against the top surface of the sealed cabin (100), a first connecting hole is formed in the pressing block (21), and a second connecting hole is correspondingly formed in the sealed cabin (100);
a fastening screw (22), the fastening screw (22) disposed through the first and second connection holes.
6. The watertight sealing device according to claim 5, characterized in that said compression block (21) comprises:
the cable sealing device comprises a main body part, wherein a through hole is formed in the main body part, the pressing block (21) is sleeved on the cable (200) through the through hole, and the bottom surface of the main body part is abutted against the top surface of the sealing cabin (100);
and the flange part is arranged on the outer side of the main body part and is provided with the first connecting hole.
7. The watertight sealing device according to claim 6,
the diameter of the through hole is larger than the diameter of the cable (200).
8. The watertight sealing device according to claim 6,
two flange parts are symmetrically arranged on two opposite sides of the main body part.
9. The watertight sealing arrangement according to claim 5, characterized in that the sealed capsule (100) comprises:
a cabin (101);
the cabin cover (102), the cabin cover (102) is arranged at one end of the cabin body (101) in a sealing mode, and the cable sealing hole (1021) and the second connecting hole are formed in the cabin cover (102).
10. The watertight sealing device according to any one of claims 1 to 9,
the material of the sealing plug (1) is the same as that of the sheath of the cable (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021418418.1U CN212829002U (en) | 2020-07-17 | 2020-07-17 | Waterproof sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021418418.1U CN212829002U (en) | 2020-07-17 | 2020-07-17 | Waterproof sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212829002U true CN212829002U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021418418.1U Active CN212829002U (en) | 2020-07-17 | 2020-07-17 | Waterproof sealing device |
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| Country | Link |
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| CN (1) | CN212829002U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023082430A1 (en) * | 2021-11-09 | 2023-05-19 | 青岛鳍源创新科技有限公司 | Sealing apparatus and underwater machine device |
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2020
- 2020-07-17 CN CN202021418418.1U patent/CN212829002U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023082430A1 (en) * | 2021-11-09 | 2023-05-19 | 青岛鳍源创新科技有限公司 | Sealing apparatus and underwater machine device |
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