CN108039612B - Underwater wet type electrical universal connector with self-locking structure - Google Patents
Underwater wet type electrical universal connector with self-locking structure Download PDFInfo
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- CN108039612B CN108039612B CN201711228844.1A CN201711228844A CN108039612B CN 108039612 B CN108039612 B CN 108039612B CN 201711228844 A CN201711228844 A CN 201711228844A CN 108039612 B CN108039612 B CN 108039612B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/523—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases for use under water
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
Abstract
The invention relates to an underwater wet type electric universal connector with a self-locking structure, which comprises: a connecting plug and a connecting socket; the connecting socket is arranged on the mounting panel of the electrical equipment, and the connecting plug is connected with the cable; the connecting socket is provided with a sealing structure for preventing liquid from entering; a piston is arranged in a jack of the connecting socket, and a contact pin of the connecting plug jacks the piston and is connected with a conductive sleeve in the jack. The invention can prevent liquid from mixing into the connector when the connector is in wet plugging, thereby avoiding the bad phenomena of short circuit and the like, and further prolonging the service life of the equipment; the connector is prevented from loosening or falling off in the using process, and the stability of the equipment is ensured; the connecting device can finish the connection of the connectors by using ROV equipment, saves manpower and material resources, and can not influence the use of the connecting device even in some severe environments where human beings cannot operate.
Description
Technical Field
The invention relates to the technical field of underwater electrical appliance connection, in particular to an underwater wet type electrical universal connector with a self-locking structure.
Background
The underwater wet plugging connector is an underwater pluggable connecting device which is exposed to harsh external environments such as seawater, oil, drilling fluid and the like and is used for connecting cables and underwater electric equipment, and is a key component for providing stable and reliable electric power and signal transmission for various underwater electric equipment.
In the wet plugging and unplugging connection process in water, seawater is filled between the plug and the socket of the connector, the working principle and the dynamic sealing structure of underwater plugging and unplugging need to be researched, the seawater is discharged as much as possible under the condition that the contact element is ensured to be reliably insulated, and the contact element is automatically isolated, sealed and locked after being installed, so that the normal work of equipment is ensured; under deep water conditions, the installation and the disassembly of an underwater wet connector are influenced by seawater pressure, and an effective pressure compensation structure must be researched, so that the internal pressure and the external pressure of the connector are balanced, and the continuous and reliable installation operation of the connector is ensured.
At present, the technical fields of domestic underwater small-sized cable connectors and underwater wet plugging and unplugging are in the starting stage of development, and key technologies still need to be broken through. With the development of ocean engineering equipment, unmanned systems and underwater equipment, the serialized underwater wet type electric universal plug also has wide market prospect inevitably. The underwater wet type electric universal plug and the small underwater connector are mainly used for ocean oil and gas development, seabed resource exploration, ocean environment monitoring and water surface and underwater military platforms, and the demand of the connector with underwater environment working capacity is greatly increased in the climax of national ocean economy development.
Disclosure of Invention
In view of the above analysis, the present invention aims to provide an underwater wet electrical universal connector with a self-locking structure, so as to solve the problems of poor sealing performance and stability and short service life of the existing wet pluggable connector.
The purpose of the invention is mainly realized by the following technical scheme:
the utility model provides an electric universal joint of wet-type under water with from keying structure, this electric universal joint be equipped with from keying structure and wet insert and pull out the structure, wet insert pull out the structure be used for realizing connecting under water of electric universal joint, self-locking structure is used for preventing to drop after electric universal joint connects.
Electric universal connector includes: a connecting plug connected with the socket;
the connecting socket is arranged on the mounting panel of the electrical equipment, and the connecting plug is connected with the cable; the connecting socket is provided with a sealing structure for preventing liquid from entering;
a piston is arranged in a jack of the connecting socket, and a contact pin of the connecting plug jacks the piston and is connected with a conductive sleeve in the jack.
At least 1 contact pin is provided, and all the contact pins share one contact pin sleeve;
the number of the jacks is equal to that of the contact pins, and the positions and the arrangement modes of the jacks are consistent with those of the contact pins; all the jacks share one jack sleeve;
the inner diameter of the needle inserting sleeve is larger than the outer diameter of the jack sleeve.
The seal structure includes: a sealing cavity and a sealing ring;
the jack is arranged in the sealing cavity, and insulating sealing oil is filled in the sealing cavity; the conductive sleeve is positioned at the bottom end of the jack and connected with the cable;
the sealing ring is arranged on the contact pin, is positioned between the contact pin and the contact pin sleeve and can move along the contact pin; the inner side of the jack sleeve is of a flexible structure, and the sealing ring can prevent liquid from entering a cavity formed by the flexible structure, the contact pin and the sealing ring.
The bottom of the piston is connected with the bottom of the conductive sleeve through a spring;
when the electric universal connector is not connected, the top of the piston extends to be flush with the end part of the jack sleeve; when the electric universal connector is connected, the piston is pushed into the conductive sleeve by the contact pin.
The end part of the contact pin is positioned in the contact pin sleeve;
the end part of the jack sleeve can be connected with the sealing ring and drives the sealing ring to move along the contact pin, and the end part of the jack sleeve, the sealing cavity, the piston and the flexible structure are together arranged, so that no conductive liquid is mixed at the joint of the contact pin and the conductive sleeve.
The auto-lock structure includes: a locking device and a positioning device;
the positioning device is used for aligning the circumferential azimuth angle of the gas universal connector during connection; the locking device is used for locking the connected gas universal connector.
The positioning device comprises a positioning screw and a U-shaped groove; the positioning screw is arranged on the side wall of the connecting socket of the electrical universal connector; the U-shaped groove is arranged on the side wall of the connecting plug of the electrical universal connector, and a Y-shaped opening is formed in the end part of the connecting plug of the U-shaped groove; when in connection, the positioning screw enters the U-shaped groove through the Y-shaped opening, so that the circumferential azimuth angle alignment of the gas universal connector is realized;
the locking device comprises a clamp spring and a locking groove; one end of the clamp spring is connected with the connecting plug through a screw, and the inner side of the other end of the clamp spring is provided with a clamping hook; the locking groove is arranged at the outer side of the connecting socket; when the electric universal connector is completely connected, the clamping hook is clamped into the locking groove.
The connecting plug is provided with an ROV connecting structure; through the ROV connection structure, the ROV equipment drives the connection plug and connects the connection plug with the connection socket.
The connecting plug is provided with a bending structure at the position where the ROV connecting structure is arranged, and the included angle between the ROV connecting structure and the bending structure is 45-90 degrees.
The invention has the following beneficial effects:
1. according to the invention, through the design of the sealing structure, liquid is prevented from being mixed into the connector when the connector is subjected to wet plugging, so that the adverse phenomena of short circuit and the like caused by the wet plugging are avoided, and the service life of equipment is prolonged;
2. according to the invention, through the design of the self-locking structure, the connector is prevented from loosening or falling off in the using process, and the stability of the equipment is ensured;
3. the invention is provided with an ROV connecting structure, can finish the connection of the connector by using ROV equipment, saves manpower and material resources, and can not influence the use of the invention even in some severe environments which can not be operated by human.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout.
Fig. 1 is a schematic view of a connection state of an underwater wet type electric universal connector with a self-locking structure;
FIG. 2 is a schematic diagram showing a disconnected state of an underwater wet type electric universal connector with a self-locking structure;
FIG. 3 is a partially enlarged sectional view of the underwater wet electrical universal connector with a self-locking structure in a state where the contact pin and the jack are disconnected;
fig. 4 is a sectional view showing a state where a connection plug and a connection socket of an underwater wet type electric universal connector with a self-locking structure are disconnected;
fig. 5 is a sectional view of a connecting plug and a connecting socket of an underwater wet type electric universal connector with a self-locking structure in a connecting process;
FIG. 6 is a sectional view showing a state in which a coupling plug and a coupling socket of an underwater wet type electric universal coupling head with a self-locking structure are coupled;
FIG. 7 is a schematic view of an external thread locking sleeve of an underwater wet electric universal connector with a self-locking structure;
FIG. 8 is a schematic view of an internal thread locking sleeve of an underwater wet electric universal connector with a self-locking structure;
FIG. 9 is a schematic view of a self-locking structure of an underwater wet electric universal connector with a self-locking structure;
fig. 10 is a schematic view of a self-locking structure of an underwater wet electric universal connector with the self-locking structure in a locking state;
in the figure: the device comprises a connecting socket 1, a mounting panel 2, a positioning screw 3, a connecting plug 4, a ROV connecting structure 5, a conductive sleeve 6, a piston 7, a pin 8, a first sealing cavity 9, a pin hole sleeve 10, a pin hole 11, a front sealing ring 12, a rear sealing ring 13, a second sealing cavity 14, a pin sleeve 15, a sealing ring 16, a U-shaped groove 17 and a snap spring 18.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and which together with the embodiments of the invention serve to explain the principles of the invention.
An underwater wet type electrical universal connector with a self-locking structure is provided with the self-locking structure and a wet inserting and pulling structure, the wet inserting and pulling structure is used for realizing underwater connection, liquid is prevented from being mixed into the connector when the connector is inserted and pulled in a wet mode, the bad phenomena of short circuit and the like caused by the liquid are avoided, and the service life of equipment is prolonged; the self-locking structure is used for preventing looseness or falling off after connection, and the stability of the equipment is guaranteed.
As shown in fig. 1 and 2, the method includes: a connection plug 4 connected to the socket 1;
the connecting socket 1 is installed on an installation panel 2 of the electrical equipment, and the connecting plug 4 is connected with a cable; the connecting socket 1 is provided with a sealing structure for preventing liquid from entering;
a piston 7 is arranged in a jack 11 of the connecting socket 1, a contact pin 8 of the connecting plug 4 pushes the piston 7 open and is connected with a conductive sleeve 6 in the jack 11, and alloy protective sleeves are arranged on the outer sides of the connecting plug 4 and the connecting socket 1.
As shown in fig. 3, there are at least 1 pin 8, and all pins 8 share one pin sleeve 15; in practical application, the number of the pins 8 can be set according to the connection characteristics of the electric appliance, and the change of the number of the pins 8 is only the structural repetition of the pins 8 and the jacks 11, which has no influence on the structural characteristics of the invention. In the embodiment of the invention, only 1 pin 8 is designed, the number of the pins 8 can be set according to the connection characteristics of an electric appliance in practical application, and the change of the number of the pins 8 is only the structural repetition of the pins 8 and the jacks 11, which has no influence on the structural characteristics of the invention.
The number of the jacks 11 is equal to that of the pins 8, and the positions and the arrangement modes of the jacks 11 are consistent with those of the pins 8; all the jacks 11 share one jack sleeve 10;
as shown in fig. 4 to 6, the inner diameter of the pin sleeve 15 is larger than the outer diameter of the socket sleeve 10, and the conformal tapered surfaces of the end surfaces of the pin sleeve 15 and the socket sleeve 10 are used for centering when the pin sleeve 15 and the socket sleeve 10 are connected, so that the pin 8 is aligned with the socket 11, the connection is prevented from being completed under the condition of misalignment, the sequential damage is avoided, and the service life of the present invention is prolonged.
As shown in fig. 6, the sealing structure includes: a seal cavity, a seal ring 16;
the jack 11 is arranged in the sealing cavity, insulating sealing oil is filled in the sealing cavity, the sealing cavity comprises a first sealing cavity 9 and a second sealing cavity 14, the first sealing cavity 9 is close to the top end of the jack 11, the second sealing cavity 14 is close to the tail end of the jack 11, a front sealing ring 12 is arranged on one side of the first sealing cavity 9 close to the top end of the jack 11, the front sealing ring 12 is in sealing contact with the piston 7, and when the piston 7 is pushed open by the contact pin 8, the front sealing ring 12 is in sealing contact with the contact pin 8; a rear sealing ring 13 is arranged between the first sealing cavity 9 and the second sealing cavity 14, and the rear sealing ring 13 is in sealing contact with the piston 7; an annular molecular sieve is arranged in the second sealed cavity 14; the conductive sleeve 6 is positioned at the bottom end of the jack 11 and is connected with a cable;
the sealing ring 16 is arranged on the contact pin 8, is positioned between the contact pin 8 and the contact pin sleeve 15 and can move along the contact pin 8; the inner side of the jack sleeve 10 is of a flexible structure, and the sealing ring 16 can prevent liquid from entering a cavity formed by the flexible structure, the plug pin 8 and the sealing ring 16. As shown in fig. 4, at least one pressure balance hole is formed on the outer wall of the jack sleeve 10 for balancing the pressure inside and outside the jack 11 through the flexible structure, so as to prevent the connection socket 1 from being damaged due to the negative pressure generated when the connection plug 4 is pulled out.
The outer side wall of the sealing cavity is of a flexible structure, and two ends of the sealing cavity are tightly connected with the shell of the connecting socket 1 and used for balancing pressure change of the sealing cavity caused by plugging and unplugging of the connecting plug 4.
The sealing ring 16, the front sealing ring 12 and the rear sealing ring 13 are all made of chloroprene rubber; general chloroprene rubber has good physical and mechanical properties, excellent properties such as oil resistance, heat resistance, flame resistance, sunlight resistance, acid and alkali resistance, chemical corrosion resistance, aging resistance, weather resistance, good crystallinity adhesion and the like, and the main defect is poor cold resistance. The proportion of the additive is adjusted, the plasticizer is added, the crystallization capacity of the rubber is reduced, the crystallization temperature of the rubber is reduced, and the cold resistance of the chloroprene rubber is improved.
The conductive sleeve 6 is a hyperboloid wire spring hole made of beryllium bronze wire.
The sealing structure can bear the pressure of at least 5MPa, and the pressure is often far greater than the atmospheric pressure when the sealing structure is used in liquid such as water, oil and the like;
when the number of the contact pins 8 is at least 2, the distance between the axes of any adjacent 2 contact pins 8 is larger than 16.5mm, and the sealing structure between the adjacent contact pins 8 is prevented from being broken down by current after the contact pins 8 are communicated with the conductive sleeve 6.
The bottom of the piston 7 is connected with the bottom of the conductive sleeve 6 through a spring; when not connected, the top of the piston 7 extends to be flush with the end of the jack sleeve 10; when connected, the plunger 7 is pushed into the conductive sleeve 6 by the pin 8.
The end of the contact pin 8 is positioned in the contact pin sleeve 15; the end of the jack sleeve 10 can be connected with a sealing ring 16, and drives the sealing ring 16 to move along the contact pin 8, and the end of the jack sleeve, the sealing cavity, the piston 7 and the flexible structure together enable the joint of the contact pin 8 and the conductive sleeve 6 not to be mixed with conductive liquid.
As shown in fig. 9 and 10, the self-locking structure includes: a locking device and a positioning device; the positioning device is used for aligning the circumferential azimuth angle of the gas universal connector during connection, so that the contact pin 8 is over against the jack 11 when the connecting plug 4 is plugged, and the contact pin 8 is prevented from being damaged due to alignment; the locking device is used for locking the gas universal connector after connection, and prevents the connecting plug 4 from falling off or loosening under the action of external force, so that the connecting effect is ensured, and liquid is prevented from being mixed into the connector.
The positioning device comprises a positioning screw 3 and a U-shaped groove 17; the positioning screw 3 is arranged on the side wall of the connecting socket 1; the U-shaped groove 17 is arranged on the side wall of the connecting plug 4, and the U-shaped groove 17 is provided with a Y-shaped opening at the end part of the connecting plug 4; the positioning screw 3 enters the U-shaped groove 17 through the Y-shaped opening during connection, so that the circumferential azimuth angle of the gas universal connector during connection is aligned, namely, each pin 8 on the connecting plug 4 is aligned with the jack 11 on the connecting socket 1, and the pin 8 is prevented from being bent or damaged due to alignment with the jack 11.
As shown in fig. 7 and 8, the self-locking structure can also be realized by a method that an internal thread locking sleeve is arranged on the connecting plug 4, an external thread locking sleeve is arranged on the connecting socket 1, and both the internal thread locking sleeve and the external thread locking sleeve are provided with a limiting structure;
when the locking device is connected, the internal thread locking sleeve and the external thread locking sleeve are meshed with each other and locked.
As shown in fig. 1 and 2, the connecting plug 4 is provided with an ROV connecting structure 5; by means of the ROV connection 5, the ROV device drives the connection plug 4 and connects the connection plug 4 with the connection socket 1.
The ROV connecting structure 5 is arranged on the connecting plug 4, the connecting plug 4 and/or the cable are/is provided with a bending structure, and the included angle between the ROV connecting structure 5 and the bending structure is 45-90 degrees, so that the position interference of the ROV manipulator on the stroke of the connecting plug 4 is prevented.
The connection method of the device comprises the following steps:
s1, pulling the connection plug 4 of the connector with the ROV apparatus under water and oil, and adjusting the position and angle of the connection plug 4 to align the connection plug 4 with the connection socket 1 of the connector:
the ROV equipment holds an ROV handle on a connecting plug 4 of the connector, and adjusts the position and the angle of the connecting plug 4 through the ROV handle until the axis of the connecting plug 4 is coincident with the axis of the connecting socket 1, and the connecting plug 4 is in contact with the connecting socket 1.
S2, pushing the connecting plug 4 by using the ROV device, and inserting the connecting plug 4 into the connecting socket 1 through the sealing structure of the connector without mixing liquid, so as to realize electrical connection:
s2.1, accurately centering the connecting plug 4 and the connecting socket 1 through an axial conical structure arranged on the shell, so that the axis of the connecting plug 4 is overlapped with the axis of the connecting socket 1, and the connecting plug 4 is aligned with the connecting socket 1 in position;
s2.2, the ROV equipment pushes the connecting plug 4 into the connecting socket 1, and the sealing ring 16 is in sealing connection with the connecting surface of the connecting socket 1, so that liquid cannot enter the jack 11;
s2.3, the plug pin 8 pushes the piston 7, the piston 7 is pushed into the jack 11, and meanwhile, the connecting socket 1 pushes the sealing ring 16 to move along the plug until the plug pin 8 penetrates through the front sealing ring 12 and enters the first sealing cavity 9;
s2.4, the piston 7 is further pushed by the plug pin 8 until the plug pin 8 penetrates through the rear sealing ring 13 and enters the second sealing cavity 14, the first sealing cavity 9 is communicated with the second sealing cavity 14, and liquid mixed when the plug pin 8 is contacted with the piston 7 is treated by the annular molecular sieve of the second sealing plug;
s2.5, the piston 7 is completely pushed into the conductive sleeve 6 through the contact pin 8, the contact pin 8 is electrically connected with the conductive sleeve 6, and the connecting plug 4 is completely connected with the connecting socket 1.
S3, the connected connecting plug 4 and the connecting socket 1 are locked by a locking device by using an ROV device:
the locking device adopts a self-locking snap spring 18 or a threaded sleeve;
when the locking device adopts the self-locking snap spring 18, the ROV equipment pushes the connecting plug 4 to connect the connecting plug 4 with the connecting socket 1, and the self-locking snap spring 18 on the connecting plug 4 is clamped into the locking groove on the connecting socket 1 under the action of elasticity, so that the locking process of the connector is realized;
when the locking structure adopts a threaded sleeve, the ROV equipment pushes the connecting plug 4 to connect the connecting plug 4 with the connecting socket 1, the ROV equipment rotates the threaded sleeve, and the locking process of the connector is realized through the limiting structure on the threaded sleeve.
S4, recycling the ROV equipment.
In summary, the embodiment of the invention provides an underwater wet type electrical universal connector with a self-locking structure, and through the design of a sealing structure, liquid is prevented from being mixed into the connector when the connector is plugged in and pulled out in a wet manner, so that the adverse phenomena of short circuit and the like caused by the liquid are avoided, and the service life of equipment is prolonged; according to the invention, through the design of the locking structure, the connector is prevented from loosening or falling off in the using process, and the stability of the equipment is ensured; the invention is provided with an ROV connecting structure, can finish the connection of the connector by using ROV equipment, saves manpower and material resources, and can not influence the use of the invention even in some severe environments which can not be operated by human.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (1)
1. An underwater wet type electrical universal connector with a self-locking structure is characterized in that the electrical universal connector is provided with a self-locking structure and a wet plugging and unplugging structure, the wet plugging and unplugging structure is used for realizing underwater connection of the electrical universal connector, and the self-locking structure is used for preventing the electrical universal connector from falling off after being connected;
electric universal connector includes: a connection plug (4) connected to the socket (1);
the connecting socket (1) is mounted on a mounting panel (2) of the electrical equipment, and the connecting plug (4) is connected with a cable; the connecting socket (1) is provided with a sealing structure for preventing liquid from entering;
a piston (7) is arranged in a jack (11) of the connecting socket (1), and a contact pin (8) of the connecting plug (4) jacks the piston (7) and is connected with a conductive sleeve (6) in the jack (11); alloy protective sleeves are arranged on the outer sides of the connecting plug (4) and the connecting socket 1;
at least 1 contact pin (8) is arranged, and all the contact pins (8) share one contact pin sleeve (15);
the number of the jacks (11) is equal to that of the pins (8), and the positions and the arrangement modes of the jacks (11) are consistent with those of the pins (8); all the jacks (11) share one jack sleeve (10);
the inner diameter of the needle inserting sleeve (15) is larger than the outer diameter of the jack sleeve (10);
the seal structure includes: a sealing cavity and a sealing ring (16);
the jack (11) is arranged in the sealing cavity, and insulating sealing oil is filled in the sealing cavity; the conductive sleeve (6) is positioned at the bottom end of the jack (11) and is connected with a cable;
the sealing ring (16) is arranged on the inserting needle (8), is positioned between the inserting needle (8) and the inserting needle sleeve (15), and can move along the inserting needle (8); the inner side of the jack sleeve (10) is of a flexible structure, and the sealing ring (16) can prevent liquid from entering a cavity formed by the flexible structure, the jack (8) and the sealing ring (16);
the outer side wall of the sealing cavity is of a flexible structure, and two ends of the sealing cavity are tightly connected with the shell of the connecting socket (1);
the outer wall of the jack sleeve (10) is provided with a pressure balance hole;
the hole (11) is arranged in the sealing cavity, insulating sealing oil is filled in the sealing cavity, the sealing cavity comprises a first sealing cavity (9) and a second sealing cavity (14), the first sealing cavity (9) is close to the top end of the jack (11), the second sealing cavity (14) is close to the tail end of the jack (11), a front sealing ring (12) is arranged on one side, close to the top end of the jack (11), of the first sealing cavity (9), the front sealing ring (12) is in sealing contact with the piston (7), and when the piston (7) is pushed open by the contact pin (8), the front sealing ring (12) is in sealing contact with the contact pin (8); a rear sealing ring (13) is arranged between the first sealing cavity (9) and the second sealing cavity (14), and the rear sealing ring (13) is in sealing contact with the piston (7); an annular molecular sieve is arranged in the second sealed cavity (14); the conductive sleeve (6) is positioned at the bottom end of the jack (11) and is connected with the cable;
the self-locking structure comprises: a locking device and a positioning device;
the positioning device is used for aligning the circumferential azimuth angle of the gas universal connector during connection; the locking device is used for locking the connected gas universal connector;
the positioning device comprises a positioning screw (3) and a U-shaped groove (17); the positioning screw (3) is arranged on the side wall of the connecting socket (1) of the electric universal connector; the U-shaped groove (17) is arranged on the side wall of a connecting plug (4) of the electric universal connector, and a Y-shaped opening is formed in the end part of the connecting plug (4) of the U-shaped groove (17); the positioning screws (3) enter the U-shaped groove (17) through the Y-shaped openings during connection, and circumferential azimuth alignment of the gas universal connector during connection is realized;
the locking device comprises a clamp spring (18) and a locking groove; one end of the clamp spring (18) is connected with the connecting plug (4) through a screw, and the inner side of the other end of the clamp spring is provided with a clamping hook; the locking groove is arranged on the outer side of the connecting socket (1); when the electrical universal connector is completely connected, the clamping hook is clamped into the locking groove;
the bottom of the piston (7) is connected with the bottom of the conductive sleeve (6) through a spring;
when the electric universal connector is not connected, the top of the piston (7) extends to be flush with the end of the jack sleeve (10); when the electric universal connector is connected, the piston (7) is pushed into the conductive sleeve (6) by the contact pin (8);
the end part of the contact pin (8) is positioned in the contact pin sleeve (15);
the end part of the jack sleeve (10) can be connected with the sealing ring (16), and drives the sealing ring (16) to move along the contact pin (8), and the end part of the jack sleeve, the sealing cavity, the piston (7) and the flexible structure together ensure that no conductive liquid is mixed at the joint of the contact pin (8) and the conductive sleeve (6);
an ROV connecting structure (5) is arranged on the connecting plug (4); through the ROV connecting structure (5), the ROV equipment drives the connecting plug (4) and connects the connecting plug (4) with the connecting socket (1);
the ROV connecting structure (5) is arranged on the connecting plug (4), a bending structure is arranged at the position where the ROV connecting structure (5) is installed, and the included angle between the ROV connecting structure (5) and the bending structure is 45-90 degrees.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711228844.1A CN108039612B (en) | 2017-11-29 | 2017-11-29 | Underwater wet type electrical universal connector with self-locking structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711228844.1A CN108039612B (en) | 2017-11-29 | 2017-11-29 | Underwater wet type electrical universal connector with self-locking structure |
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| CN108039612A CN108039612A (en) | 2018-05-15 |
| CN108039612B true CN108039612B (en) | 2020-06-16 |
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| CN117410778B (en) * | 2023-12-15 | 2024-02-20 | 浙江中杭电子有限公司 | Underwater pre-tightening device and pre-tightening method for electric connector |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816760A (en) * | 2017-02-21 | 2017-06-09 | 上海蓝梭电子科技有限公司 | A kind of underwater pluggable electric connector of two end protection |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816760A (en) * | 2017-02-21 | 2017-06-09 | 上海蓝梭电子科技有限公司 | A kind of underwater pluggable electric connector of two end protection |
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