CN111082258B - Waterproof short circuit-proof three-layer sealing separation electric connector - Google Patents
Waterproof short circuit-proof three-layer sealing separation electric connector Download PDFInfo
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- CN111082258B CN111082258B CN201911109129.5A CN201911109129A CN111082258B CN 111082258 B CN111082258 B CN 111082258B CN 201911109129 A CN201911109129 A CN 201911109129A CN 111082258 B CN111082258 B CN 111082258B
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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
- H01R13/46—Bases; Cases
- H01R13/465—Identification means, e.g. labels, tags, markings
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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
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
Abstract
A waterproof short-circuit-proof three-layer sealing separation electric connector adopts a three-layer sealing structure, and polyurethane glue is filled and sealed among an insulator, a contact element and a shell to realize sealing separation indexes; an underwater waterproof structure is adopted, and a water leakage channel is sealed to realize the waterproof and short-circuit-proof functions; an underwater air pressure balance structure is added, so that the electric connector can meet the air pressure sealing requirement and can also meet the requirement of underwater short circuit prevention; and whether the insertion and in-place identification line is inserted or not is judged by adopting an insertion and in-place judgment structure through a method of identifying the insertion and in-place identification line.
Description
Technical Field
The invention belongs to the technical field of aerospace electric connectors, relates to an interstage separation electric connector, and particularly relates to an anti-short-circuit three-layer separation electric connector used in air pressure sealing and underwater environments.
Background
The separation and shedding electric connector is widely applied to occasions needing electric connection in the field of aerospace. Sealed separation electrical connectors have also been greatly developed as one of them. At present, along with the continuous complication of the use environment, a certain air pressure sealing electric connector not only needs to meet the air pressure sealing index, but also needs to meet the requirements of a new use environment that the electric connector can be used underwater, the independent plug and the socket have water tightness, and the water-proof and short-circuit-proof effects can be still realized in the water splashing environment in the headstock separation process.
In the prior art, the existing separation electric connector only has a sealing function or only has an underwater waterproof function, and a waterproof short-circuit-proof separation electric connector which can be used in an underwater environment is not available for the air pressure-sealed separation electric connector in a specific environment, so that a new use environment requirement which can meet the air pressure sealing index, can be used underwater, can realize the water tightness of an individual headstock, can prevent water and short circuit in a water splashing environment in the headstock separation process and can be distinguished when the headstock is inserted and in place is urgently needed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the waterproof short-circuit-proof three-layer sealing separation electric connector is provided, a three-layer sealing structure is adopted, and sealing separation indexes are realized among an insulator, a contact element and a shell by adopting polyurethane glue for encapsulation; an underwater waterproof structure is adopted, and a water leakage channel is sealed to realize the waterproof and short-circuit-proof functions; an underwater air pressure balance structure is added, so that the electric connector can meet the air pressure sealing requirement and can also meet the requirement of underwater short circuit prevention; and whether the insertion and in-place identification line is inserted or not is judged by adopting an insertion and in-place judgment structure through a method of identifying the insertion and in-place identification line.
The purpose of the invention is realized by the following technical scheme:
a waterproof short-circuit-proof three-layer sealed separation electric connector comprises a plug and a socket;
the plug comprises a plug connecting mechanism consisting of a first steel ball, an inner sheath, a central cable assembly, a first spring sleeve, a first spring, a steel ball positioning sleeve, a first sealing ring, a mounting flange, a support sheet, a first screw, a second steel ball, a ball retaining sheet, a cover, a nut, a positioning key, a hand wheel, a clamping ring, an axial elastic retainer ring, a wave spring, a limiting block, a retainer ring, a sliding key, a second sealing ring and a third sealing ring; the connecting mechanism is connected with a fourth sealing ring, first polyurethane glue, a fifth sealing ring, a sheath, a sixth sealing ring, a movable layer return spring, a seventh sealing ring, a plug back layer insulator assembly, a plug movable layer insulator assembly and a plug front layer insulator assembly;
the steel ball positioning sleeve is of a cylindrical hollow structure with steps; the first steel ball is arranged in a steel ball positioning hole of the steel ball positioning sleeve, the inner sheath is slidably sleeved on the steel ball positioning sleeve, and the central inhaul cable assembly is positioned in the steel ball positioning sleeve; the first spring sleeve is arranged on the mounting flange and used for limiting the first spring and the inner sheath; the first spring is positioned between the first spring sleeve and the steel ball positioning sleeve; the first sealing ring is used for waterproof sealing between the steel ball positioning sleeve and the mounting flange; the mounting flange is of a cylindrical hollow structure with steps, the two supporting plates are mounted in a groove of the mounting flange, the ball retaining plate is positioned between the two supporting plates, and the second steel ball is mounted in a ball hole of the ball retaining plate; the nut is arranged on the steel ball positioning sleeve, the nut rotates to the groove of the mounting flange in a threaded manner to be abutted against the support sheet, and the cover is arranged on the flange and used for limiting the nut; the positioning key is arranged in a groove of the nut, the hand wheel is arranged on the nut, and the axial elastic retainer ring is used for limiting the hand wheel; the tightening ring is arranged in an inner groove of the hand wheel and used for limiting the limiting block and the wave spring, and the wave spring is positioned between the limiting block and the tightening ring; the retainer ring is arranged in an inner groove of the steel ball positioning sleeve and used for limiting the central cable assembly, and the sliding key is arranged in an inner groove of the mounting flange and can slide along a key position groove of the steel ball positioning sleeve; the second sealing ring, the third sealing ring, the fourth sealing ring, the fifth sealing ring, the sixth sealing ring, the seventh sealing ring and the eighth sealing ring are all made of silicon rubber materials and are respectively arranged in sealing ring mounting grooves of a central inhaul cable assembly, a mounting flange, a plug coaxial assembly, a plug front layer insulator assembly supporting structure, a sheath, the mounting flange and a socket coaxial assembly and are used for preventing water; the first polyurethane glue is filled between the front face plate and the back plate of the plug in the front face insulator assembly of the plug to play a role of air sealing, the sheath is arranged on the periphery of the steel ball positioning sleeve and used for preventing the first steel ball from falling out, and the return spring of the movable layer of the plug is arranged on the periphery of the coaxial assembly and is positioned in the groove of the insulator assembly of the back face layer of the plug at the same time and used for returning the insulator assembly of the movable layer of the plug; the plug back layer insulator assembly, the plug movable layer insulator assembly and the plug front layer insulator assembly are respectively used as a welding end, a middle layer and an inserting end of the plug;
the socket comprises an eighth sealing ring, a central sleeve, a lock sleeve, second polyurethane glue, a connecting rod, a sealing gasket, a ninth sealing ring, a second spring sleeve, a clamping nut, third polyurethane glue, a socket cable cover, a clamping plate, a socket back layer insulator assembly, a socket active layer insulator assembly and a socket front layer insulator assembly;
the central sleeve is a supporting framework of the socket front layer insulator assembly, the lock sleeve is provided with a groove for realizing locking with a plug connecting mechanism, second polyurethane glue is filled between a socket front layer panel and a back plate of the socket front layer insulator assembly and plays a role of air sealing, the connecting rod is of a structure with an inner groove and an outer thread and used for protecting a lead pressed by the coaxial assembly, the sealing gasket is arranged between the lock sleeve and the central sleeve, the ninth sealing ring is made of silicon rubber material and arranged in a sealing groove of the central sleeve and plays a role of water prevention, the second spring is arranged on the connecting rod, the second spring sleeve is arranged in the socket active layer insulator assembly and plays a role of resetting the socket active layer insulator assembly together with the second spring, the tightening nut is arranged at the outer thread section of the connecting rod and plays a role of tightening, and third polyurethane glue is filled between a socket back layer panel and a back plate of the socket layer, the air sealing effect is achieved, the socket cable cover is of a socket protection structure, and the clamping plate is installed on the socket cable cover and plays a role in clamping outgoing cables; the socket back surface layer insulator assembly, the socket movable layer insulator assembly and the socket front surface layer insulator assembly are respectively used as a welding wire end, a central layer and an inserting end of the socket.
Preferably, the central cable assembly is a cylindrical rod-shaped structure with a pull ring and a stainless steel wire rope; the stainless steel wire rope connects the pull ring and the front stainless steel cylindrical ejector rod through compression joint.
Preferably, the inner cavity of the steel ball positioning sleeve is provided with a straight groove for ventilation of insertion and separation of the plug and the socket.
Preferably, the plug back layer insulator assembly is composed of a plug back layer panel, a plug back layer back plate and a contact assembly and is a plug welding end.
Preferably, the plug active layer insulator assembly consists of a plug active layer panel, a plug active field back plate and a contact assembly and is a plug middle layer.
Preferably, the plug front layer insulator assembly consists of a plug front layer panel, a plug front layer back plate and a contact element assembly and is a plug insertion end.
Preferably, the socket back layer insulator assembly is composed of a socket back layer panel and a back plate and is a socket welding wire end.
Preferably, the socket moving layer insulator assembly is composed of a socket moving field panel and a back panel and is a socket central layer.
Preferably, the socket front layer insulator assembly is composed of a socket front layer panel and a back plate and is a socket plugging end.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the invention, by adopting the three-layer sealing structure, the sealing separation index among the insulator, the contact element and the shell is realized by adopting polyurethane glue encapsulation, so that the air pressure sealing requirement of the interstage separation electric connector is met;
(2) the invention adopts an underwater waterproof structure, and adopts a sealing measure to the water leakage channel to realize the waterproof and short-circuit prevention functions;
(3) by adopting the structure for increasing the underwater air pressure balance, the electric connector can meet the air pressure sealing requirement and can also realize the requirement of preventing short circuit underwater;
(4) the invention realizes the requirement of judging whether to insert and put in place by a method of identifying the insert and put in place identification line by adopting the structure for judging whether to insert and put in place.
Drawings
FIG. 1 is a schematic view of a waterproof short-circuit-proof three-layer sealed separation electrical connector according to the present invention;
FIG. 2 is a schematic structural view of a plug connection mechanism of a waterproof short-circuit-proof three-layer sealed separation electric connector according to the present invention;
FIG. 3 is a schematic view of a waterproof short-circuit-proof three-layer sealed separation electric connector plug according to the present invention;
FIG. 4 is a schematic view of a waterproof short-circuit-proof three-layer sealed separated electrical connector socket according to the present invention;
FIG. 5 is a schematic structural view of a waterproof short-circuit-proof three-layer sealed separation electric connector used for judging whether the electric connector is inserted in place;
FIG. 6 is a schematic structural view of a waterproof short-circuit-proof three-layer sealed separation electric connector used for judging that the electric connector is inserted in place;
FIG. 7 is a schematic diagram of a structure of a waterproof short-circuit-proof three-layer sealed separation electric connector before locking;
fig. 8 is a schematic diagram of a structure of a waterproof short-circuit-proof three-layer sealed separated electric connector after being locked.
Reference numerals: 1. a first steel ball, 2, an inner sheath, 3, a central cable component, 4, a first spring sleeve, 5, a first spring, 6, a steel ball positioning sleeve, 7, a first sealing ring, 8, a mounting flange, 9, a supporting sheet, 10, a first screw, 11, a second steel ball, 12, a ball retaining sheet, 13, a cover, 14, a nut, 15, a positioning key, 16, a hand wheel, 17, a tightening ring, 18, an axial elastic collar, 19, a wave spring, 20, a limiting block, 21, a clamping ring, 22, a sliding key, 23, a second sealing ring, 24, a third sealing ring, 25, a fourth sealing ring, 26, first polyurethane glue, 27, a fifth sealing ring, 28, a sheath, 29, a sixth sealing ring, 30, a movable layer return spring, 31, a seventh sealing ring, 32, a back layer insulator component, 33, a movable layer insulator component, 34, a positive insulator component, 35, and an eighth sealing ring, 36. the socket comprises a center sleeve, 37, a lock sleeve, 38, second polyurethane glue, 39, a connecting rod, 40, a sealing gasket, 41, a ninth sealing ring, 42, a third spring, 43, a second spring sleeve, 44, third polyurethane glue, 45, a clamping nut, 46, a socket cable cover, 47, a clamping plate, 48, a socket back layer insulator component, 49, a socket movable layer insulator component, 50 and a socket front layer insulator component.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
A waterproof short-circuit-proof three-layer sealed separation electric connector is shown in figures 1, 2, 3 and 4 and comprises a first steel ball 1, an inner sheath 2, a central inhaul cable component 3, a first spring sheath 4, a first spring 5, a steel ball positioning sheath 6, a first sealing ring 7, a mounting flange 8, a support sheet 9, a first screw 10, a second steel ball 11, a ball retaining sheet 12, a cover 13, a nut 14, a positioning key 15, a hand wheel 16, a tightening ring 17, an axial elastic retainer ring 18, a wave spring 19, a limiting block 20, a clamping ring 21, a sliding key 22, a second sealing ring 23, a third sealing ring 24, a fourth sealing ring 25, first polyurethane glue 26, a fifth sealing ring 27, a sheath 28, a sixth sealing ring 29, a movable layer return spring 30, a seventh sealing ring 31, a back layer insulator component 32, a movable layer insulator component 33, a front insulator layer component 34, an eighth sealing ring 35, a positive insulator component 34, a positive layer insulator component, The socket comprises a center sleeve 36, a lock sleeve 37, second polyurethane glue 38, a connecting rod 39, a sealing gasket 40, a ninth sealing ring 41, a second spring 42, a second spring sleeve 43, a clamping nut 44, third polyurethane glue 45, a socket cable cover 46, a clamp plate 47, a socket back layer insulator assembly 48, a socket active layer insulator assembly 49 and a socket front layer insulator assembly 50. The plug connecting mechanism comprises a first steel ball 1, an inner sheath 2, a central cable assembly 3, a first spring sleeve 4, a first spring 5, a steel ball positioning sleeve 6, a first sealing ring 7, a mounting flange 8, a supporting sheet 9, a first screw 10, a second steel ball 11, a ball retaining sheet 12, a cover 13, a nut 14, a positioning key 15, a hand wheel 16, a tightening ring 17, an axial elastic retainer ring 18, a wave spring 19, a limiting block 20, a clamping ring 21, a sliding key 22, a second sealing ring 23 and a third sealing ring 24; the connecting mechanism and the fourth sealing ring 25, the first polyurethane glue 26, the fifth sealing ring 27, the sheath 28, the sixth sealing ring 29, the movable layer return spring 30, the seventh sealing ring 31, the plug back layer insulator assembly 32, the plug movable layer insulator assembly 33 and the plug front layer insulator assembly 34 form a plug; the eighth sealing ring 35, the central sleeve 36, the lock sleeve 37, the second polyurethane adhesive 38, the connecting rod 39, the sealing gasket 40, the ninth sealing ring 41, the second spring 42, the second spring sleeve 43, the clamping nut 44, the third polyurethane adhesive 45, the socket cable cover 46, the clamping plate 47, the socket back layer insulator assembly 48, the socket active layer insulator assembly 49 and the socket front layer insulator assembly 50 form a socket.
The first steel balls 1 are 2.5 in diameter and 3 in number, and are uniformly arranged in steel ball positioning holes in a steel ball positioning sleeve 6, the inner sleeve 2 is of a cylindrical hollow structure with steps and is arranged on the periphery of the steel ball positioning sleeve 6 and can axially slide along the steel ball positioning sleeve 6 under the action of external force, the central inhaul cable component 3 is of a cylindrical rod-shaped structure with a pull ring and a stainless steel wire rope, the stainless steel wire rope connects the pull ring with a front stainless steel cylindrical ejector rod through compression, the first spring sleeve 4 is of a cylindrical hollow structure with steps and is arranged on the mounting flange 8 and used for limiting the first spring 5, the first spring 5 is a cylindrical spring, is arranged in the first spring sleeve 4 on the steel ball positioning sleeve 6 and is arranged behind the step end face of the inner sleeve 2, the steel ball positioning sleeve 6 is of a cylindrical hollow structure with steps and threads and is used for supporting parts for a connecting mechanism and is used for realizing connection and converting the rotary motion into the, meanwhile, three straight grooves are arranged in the inner cavity of the steel ball positioning sleeve 6 for realizing the ventilation function of the insertion and separation of the headstock, the first sealing ring 7 is made of silicon rubber material and is arranged between the rear part of the end surface of the step on the steel ball positioning sleeve 6 and the inner groove of the end surface of the mounting flange 8 for playing a role of water prevention, the mounting flange 8 is of a multi-section step structure with screw threads and is provided with screw holes, the connecting mechanism can be arranged on the cable cover through screws, the support plates 9 are 2 and are arranged in the groove of the mounting flange 8, the second steel balls 11 are 36 and are respectively arranged in the ball holes of the ball retaining plate 12, the ball retaining plate 12 is provided with a cylindrical hollow structure with 36 ball holes and is arranged between the two support plates 9, the nut 14 is arranged on the external screw thread at the tail end of the steel ball positioning sleeve 6 through internal screw threads and is rotated to abut against the support plates 9 in, the nut 14 and the hand wheel 16 are connected, the hand wheel 16 is arranged on the nut 14 and is limited by an axial elastic retainer ring 18 to play a role of converting an applied torque force into an axial movement, the axial elastic retainer ring 18 is of a cylindrical hollow structure and is arranged in the groove of the nut 14, a limiting block 20 is of a cylindrical hollow step-shaped structure with a red paint marking groove and an inner groove, the inner groove is arranged on the periphery of the end face of the nut 14 and is limited by a clamping ring 17, the clamping ring 17 is arranged in the inner groove of the hand wheel to play a role of limiting the limiting block 20 and a wave spring 19, the wave spring 19 is arranged between the limiting block 20 and the clamping ring 17, the clamping ring 21 is arranged in the inner groove of the steel ball positioning sleeve 6 and is used for limiting the central cable component 3, a sliding key 22 is arranged in the inner groove of the mounting flange 8, the second sealing ring 23, the third sealing ring 24, the fourth sealing ring 25, the fifth sealing ring 27, the sixth sealing ring 29, the seventh sealing ring 31 and the eighth sealing ring 35 are all made of silicon rubber materials and are respectively arranged in the sealing ring mounting grooves of the central guy cable component 3, the mounting flange 8, the plug coaxial component, the plug front layer insulator component supporting structure, the sheath 28, the mounting flange 8 and the socket coaxial component and used for preventing water from entering, the first polyurethane rubber 26 is filled between the plug front layer panel and the back panel in the plug front layer insulator component 34 and plays a role of air sealing, the sheath 28 is arranged at the periphery of the steel ball positioning sleeve 6 and used for preventing the first steel ball 1 from falling out, the number of the plug movable layer return springs 30 is 2 and is arranged at the periphery of the coaxial component and the back of the plug movable layer insulator component 33 to play a role of resetting when the movable layer is not influenced by external force, the plug back layer insulator component 32 consists of a plug back layer panel, a plug back layer back panel and a contact component and is a plug welding end, the plug active layer insulator component 33 consists of a plug active layer panel, a plug active field back panel and a contact component and is a plug middle layer, the plug front layer insulator component 34 consists of a plug front layer panel, a plug front layer back panel and a contact component and is a plug insertion end, the central sleeve 36 is a supporting framework of the socket front layer insulator component 50 and is provided with a sealing groove, the lock sleeve 37 is provided with a groove for realizing locking with a plug connecting mechanism, a second polyurethane adhesive 38 is filled between the socket front layer panel and the back panel of the socket front layer insulator component 50 and plays a role of air sealing, the connecting rod 39 is a structure with an inner groove and an outer thread and is used for protecting a lead pressed by a coaxial component, and the sealing gasket 40 is arranged between the lock sleeve 37 and the central sleeve 36, the ninth seal ring 41 is made of silicon rubber material, is installed in the seal groove of the center sleeve 36 and plays a role of water proofing, the second spring 42 is a cylindrical spring, the number of the second spring is 2, and is installed in the second spring housing 43 behind the connecting rod 39, the second spring housing 43 is installed in the socket active layer insulator assembly 49 and plays a role of resetting the socket active layer insulator assembly 49 together with the second spring 42, the tightening nut 44 is installed at the external thread section of the connecting rod 39 and plays a role of tightening, the third polyurethane glue 45 is filled between the socket back layer panel and the back plate of the socket back layer insulator assembly 48 and plays a role of air sealing, the socket cable cover 46 is a socket protection structure and is installed with the socket tail end through screws, the clamp plate 47 is installed on the socket cable cover 46 and plays a role of clamping the outgoing cable, the socket back layer insulator assembly 48 is composed of the socket back layer panel and the back plate and is used, the socket active layer insulator assembly 49 is composed of a socket active floor panel and a back panel, which is a socket center layer, and the socket front layer insulator assembly 50 is composed of a socket front layer panel and a back panel, which is a socket plugging end.
The second sealing ring 23 is arranged in a sealing groove of a central cable component 3, a first sealing ring 7 and a third sealing ring 24 are arranged in a sealing groove of a mounting flange 8, a first steel ball 1 and the central cable component 3 are arranged in a steel ball positioning sleeve 6 and are arranged in a clamping ring 21 for limiting, a sliding key 22 and the mounting flange 8 are arranged on the steel ball positioning sleeve 6, a first spring 5, an inner sheath 2 and a first spring sheath 4 are sequentially arranged, a second steel ball 11 is arranged in a ball retaining sheet 12, the ball retaining sheet 12, a supporting sheet 9 and a nut 14 are sequentially arranged in a groove of the mounting flange 8, a cover 13 is arranged in a threaded hole of the mounting flange 8 through a first screw 10, a positioning key 15 and a hand wheel 16 are arranged on the nut 14 and are limited through an axial elastic retaining ring 18, a limiting block 20, a wave spring 19 and a combining ring 17 are arranged in the hand wheel 16 and play a limiting role through the combining ring 17, thereby forming a coupling mechanism assembly; installing a seventh seal ring 31 in a seal groove of the connecting mechanism component, installing a sixth seal ring 29 in a seal groove of the sheath 28, installing a fifth seal ring 27 in a seal groove of the plug front layer support structure, filling a first polyurethane adhesive 26 between the plug front layer panel and the back plate in the plug front layer insulator component 34, installing a movable layer return spring 30 in a spring installation hole of the plug rear layer insulator component 32, and respectively installing the plug rear layer insulator component 32, the plug movable layer insulator component 33, and the plug front layer insulator component 34 in the plug fixed support structure, thereby forming a plug; installing an eighth seal ring 35 in a coaxial seal groove of the socket, installing a ninth seal ring 41 in the seal groove of a center sleeve 36, installing a seal gasket 40 in a step of the center sleeve 36, installing a lock sleeve 37 in the center sleeve 36, installing a front panel and a back panel of a socket front panel insulator assembly 50 at two sides of the center sleeve 36 respectively, filling a second polyurethane adhesive 38 between the front panel and the back panel, installing a second spring 42 and a second spring sleeve 43 in a socket active layer insulator assembly 49, installing a connecting rod 39 in a coaxial installation hole of the socket front panel insulator assembly 50, tightening a nut 44, filling a third polyurethane adhesive 45 between the socket back panel and the back panel of the socket back panel insulator assembly 48, and installing the socket back panel insulator assembly 48, the socket active layer insulator assembly 49 and the socket front panel insulator assembly 50 in a fixed support structure of the socket respectively, the socket is formed by fitting the socket cable cover 46 and the clamps 47 into connection with the socket fixing support structure.
In the practical work of the plug and the socket, two states of insertion and separation are mainly adopted, and the two states are as follows:
when the plug is singly installed on the head seat, the plug active layer insulator assembly 33 of the plug is tightly attached to the plug front layer insulator assembly 34 under the action of the active layer return spring 30, at the moment, a contact element between the plug active layer insulator assembly 33 and the plug back layer insulator assembly 32 is in a disconnected state, the socket active layer insulator assembly 49 of the socket is tightly attached to the socket back layer insulator assembly 48 under the action of the second spring 42, at the moment, the contact element between the socket front layer insulator assembly 50 and the socket active layer insulator assembly 49 is in a disconnected state, and the functions of independent plug and socket air sealing and water sealing are achieved through the three-layer structure of the plug and the socket, the sealing rings and the polyurethane glue, so that the waterproof and short-circuit prevention can be realized under the underwater environment;
when the headstock is inserted, the sheath 28 moves rightwards along with the connecting mechanism component to push the plug active layer insulator component 33 to move towards the wire welding end of the plug and drive the socket active layer insulator component 49 to move towards the socket inserting end, when the inserting is in place, the plug active layer insulator component 33 moves to one side of the plug back layer insulator component 32, the socket active layer insulator component 49 moves to one side of the socket front layer insulator component 50, at the moment, the contact element on the plug active layer insulator component 33 is simultaneously conducted with the contact elements on the plug front layer insulator component 34 and the plug back layer insulator component 32, the contact element on the socket active layer insulator component 49 is simultaneously conducted with the contact elements on the socket front layer insulator component 50 and the socket back layer insulator component 48, thereby realizing the electrical connection of the headstock, the three-layer sealing structure and the sealing ring and the glue filling layer can effectively prevent external water vapor from entering, realize sealed waterproof function, simultaneously, when the headstock is inserted and targets in place, through hand wheel 16 and tight circle 17, wave spring 19 and stopper 20 constitute insert with the discrimination structure that targets in place, whether the red lacquer mark slot that adopts observation stopper 20 exposes to realize inserting the judgement that targets in place, specifically do: after the insertion is in place, the limiting block 20 compresses the wave spring 19 after the movement of the nut 14 reaches the bottom, and is limited by the tightening ring 17, at the moment, the red paint marking groove of the limiting block 20 is exposed for judging the insertion and the in-place, as shown in fig. 5 and 6.
After the headstock is unlocked and separated, the plug active layer insulator assembly 33 of the plug is reset by the force of the active layer reset spring 30, the contact between the plug active layer insulator assembly 33 and the plug back layer insulator assembly 32 is reset to be in an off state, the socket active layer insulator assembly 49 of the socket is reset by the second spring 42, and the contact between the socket front layer insulator assembly 50 and the socket active layer insulator assembly 49 is reset to be in an off state, so that the short-circuit prevention function can be realized, meanwhile, in the separation process, due to the synchronism when the plug and socket active layer reset is separated from the plug and socket unlocking, the short-circuit problem of the contact of the insertion face under the condition of water splashing can be effectively avoided, the contact in the plug back layer insulator assembly 32 and the socket back layer insulator assembly 48 can not be short-circuited, meanwhile, in the separation process, three straight ventilation grooves of the cavity of the steel ball positioning sleeve 6 are arranged, the sealing ring can not be extruded into the ventilation straight groove on the sleeve in the unlocking process of the connecting mechanism, so that external gas can directly enter the separating surface through the ventilation straight groove, and the air inlet balance speed of the connecting mechanism is accelerated. Therefore, the rainproof sealing performance of the connecting mechanism of the electric connector in the plugging state can be met, the air intake balance performance in the separation process can be improved, and the air sealing and water sealing requirements of the product are synchronously realized, as shown in fig. 7 and 8.
Those skilled in the art will appreciate that those matters not described in detail in the present specification are well known in the art.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make variations and modifications of the present invention without departing from the spirit and scope of the present invention by using the methods and technical contents disclosed above.
Claims (9)
1. A waterproof short-circuit-proof three-layer sealed separation electric connector is characterized by comprising a plug and a socket;
the plug comprises a plug connecting mechanism consisting of a first steel ball (1), an inner sheath (2), a central cable assembly (3), a first spring sleeve (4), a first spring (5), a steel ball positioning sleeve (6), a first sealing ring (7), a mounting flange (8), a supporting sheet (9), a first screw (10), a second steel ball (11), a ball retaining sheet (12), a cover (13), a nut (14), a positioning key (15), a hand wheel (16), a tightening ring (17), an axial elastic check ring (18), a wave spring (19), a limiting block (20), a clamping ring (21), a sliding key (22), a second sealing ring (23) and a third sealing ring (24), and further comprises a fourth sealing ring (25), a first polyurethane rubber (26), a fifth sealing ring (27), a protective sleeve (28), a sixth sealing ring (29), a movable layer return spring (30), A seventh sealing ring (31), a plug back layer insulator component (32), a plug active layer insulator component (33) and a plug front layer insulator component (34);
the steel ball positioning sleeve (6) is of a cylindrical hollow structure with steps; the first steel ball (1) is arranged in a steel ball positioning hole of the steel ball positioning sleeve (6), the inner sheath (2) is slidably sleeved on the steel ball positioning sleeve (6), and the central inhaul cable assembly (3) is positioned in the steel ball positioning sleeve (6); the first spring sleeve (4) is arranged on the mounting flange (8) and used for limiting the first spring (5) and the inner sheath (2); the first spring (5) is positioned between the first spring sleeve (4) and the steel ball positioning sleeve (6); the first sealing ring (7) is used for waterproof sealing between the steel ball positioning sleeve (6) and the mounting flange (8); the mounting flange (8) is of a cylindrical hollow structure with steps, the two supporting plates (9) are mounted in a groove of the mounting flange (8), the ball retaining sheet (12) is located between the two supporting plates (9), and the second steel ball (11) is mounted in a ball hole of the ball retaining sheet (12); the nut (14) is arranged on the steel ball positioning sleeve (6), and is screwed into the groove of the mounting flange (8) to abut against the support sheet (9), and the cover (13) is arranged on the flange (8) and used for limiting the nut (14); the positioning key (15) is arranged in a groove of the nut (14), the hand wheel (16) is arranged on the nut (14), and the axial elastic retainer ring (18) is used for limiting the hand wheel (16); the tightening ring (17) is arranged in an inner groove of the hand wheel (16) and used for limiting the limiting block (20) and the wave spring (19), and the wave spring (19) is positioned between the limiting block (20) and the tightening ring (17); the retainer ring (21) is arranged in an inner groove of the steel ball positioning sleeve (6) and used for limiting the central inhaul cable assembly (3), and the sliding key (22) is arranged in an inner groove of the mounting flange (8) and can slide along a key position groove of the steel ball positioning sleeve (6); the second sealing ring (23), the third sealing ring (24), the fourth sealing ring (25), the fifth sealing ring (27), the sixth sealing ring (29), the seventh sealing ring (31) and the eighth sealing ring (35) are all made of silicon rubber materials and are respectively arranged in a sealing ring mounting groove of the central inhaul cable assembly (3), a sealing ring mounting groove of the mounting flange (8), a sealing ring mounting groove of the plug coaxial assembly, a sealing ring mounting groove of the plug front layer insulator assembly supporting structure, a sealing ring mounting groove of the sheath (28), a sealing ring mounting groove of the mounting flange (8) and a sealing ring mounting groove of the socket coaxial assembly and are used for preventing water; the first polyurethane glue (26) is filled between a plug front layer panel and a back plate in the plug front layer insulator assembly (34) to play a role of air sealing, a sheath (28) is arranged on the periphery of the steel ball positioning sleeve (6) and used for preventing the first steel ball (1) from falling out, and a plug active layer return spring (30) is arranged on the periphery of the coaxial assembly and is simultaneously positioned in a groove of the plug back layer insulator assembly (32) and used for returning the plug active layer insulator assembly (33); the plug back layer insulator assembly (32), the plug movable layer insulator assembly (33) and the plug front layer insulator assembly (34) are respectively used as a welding end, a middle layer and an inserting end of the plug;
the socket comprises an eighth sealing ring (35), a central sleeve (36), a lock sleeve (37), second polyurethane glue (38), a connecting rod (39), a sealing gasket (40), a ninth sealing ring (41), a second spring (42), a second spring sleeve (43), a tightening nut (44), third polyurethane glue (45), a socket cable cover (46), a clamp plate (47), a socket back layer insulator component (48), a socket active layer insulator component (49) and a socket front layer insulator component (50);
the central sleeve (36) is a supporting framework of the socket front layer insulator component (50), the lock sleeve (37) is provided with a groove for realizing locking with a plug connecting mechanism, second polyurethane glue (38) is filled between a socket front layer panel and a back plate of the socket front layer insulator component (50) and plays a role of air sealing, the connecting rod (39) is of a structure with an inner groove and an outer thread and used for protecting a lead pressed by the coaxial component, the sealing gasket (40) is installed between the lock sleeve (37) and the central sleeve (36), the ninth sealing ring (41) is made of silicon rubber material and installed in a sealing groove of the central sleeve (36) and plays a role of water proofing, the second spring (42) is installed on the connecting rod (39), the second spring sleeve (43) is installed in the socket movable layer insulator component (49) and plays a role of resetting the socket movable layer insulator component (49) together with the second spring (42), the tightening nut (44) is installed on the external thread section of the connecting rod (39) and plays a role of tightening, the third polyurethane glue (45) is filled between the socket back layer panel and the back plate of the socket back layer insulator assembly (48) and plays a role of air sealing, the socket cable cover (46) is of a socket protection structure, and the clamping plate (47) is installed on the socket cable cover (46) and plays a role of clamping outgoing cables; the socket back layer insulator assembly (48), the socket active layer insulator assembly (49) and the socket front layer insulator assembly (50) are respectively used as a welding wire end, a central layer and an insertion end of the socket.
2. The waterproof short-circuit-proof three-layer sealed split electrical connector according to claim 1, wherein the central cable assembly (3) is a cylindrical rod-shaped structure with a pull ring and a stainless steel wire rope; the stainless steel wire rope connects the pull ring and the front stainless steel cylindrical ejector rod through compression joint.
3. The waterproof short-circuit-proof three-layer sealed separated electric connector as claimed in claim 1, wherein the inner cavity of the steel ball positioning sleeve (6) is provided with a straight groove for ventilation of insertion and separation of a plug and a socket.
4. The waterproof short-circuit-proof three-layer sealed separation electric connector as claimed in any one of claims 1 to 3, wherein the plug back layer insulator assembly (32) is composed of a plug back layer panel, a plug back layer back plate and a contact assembly, and is a plug welding terminal.
5. The waterproof short-circuit-proof three-layer sealed separation electric connector as claimed in any one of claims 1 to 3, wherein the plug active layer insulator assembly (33) is composed of a plug active layer panel, a plug active layer back plate and a contact assembly, and is a plug middle layer.
6. The waterproof short-circuit-proof three-layer sealed separation electric connector as claimed in any one of claims 1 to 3, wherein the plug front layer insulator assembly (34) is composed of a plug front layer panel, a plug front layer back plate and a contact assembly, and is a plug insertion end.
7. The waterproof short-circuit-proof three-layer sealed split electrical connector as claimed in any one of claims 1 to 3, wherein the socket back layer insulator assembly (48) is composed of a socket back layer panel and a back plate, and is a socket wire terminal.
8. The waterproof short-circuit-proof three-layer sealed separation electric connector according to any one of claims 1 to 3, wherein the socket active layer insulator assembly (49) is composed of a socket active layer panel and a back plate, and is a socket center layer.
9. The waterproof short-circuit-proof three-layer sealed separation electric connector as claimed in any one of claims 1 to 3, wherein the socket front layer insulator assembly (50) is composed of a socket front layer panel and a back plate, and is a socket plugging end.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911109129.5A CN111082258B (en) | 2019-11-13 | 2019-11-13 | Waterproof short circuit-proof three-layer sealing separation electric connector |
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| CN201911109129.5A CN111082258B (en) | 2019-11-13 | 2019-11-13 | Waterproof short circuit-proof three-layer sealing separation electric connector |
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| CN111082258A CN111082258A (en) | 2020-04-28 |
| CN111082258B true CN111082258B (en) | 2021-06-04 |
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| CN107919573A (en) * | 2017-11-07 | 2018-04-17 | 贵州航天电器股份有限公司 | It is a kind of to be used for underwater electric connector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04218276A (en) * | 1990-12-18 | 1992-08-07 | Natl Space Dev Agency Japan<Nasda> | Umbilical connector |
| CN101867116A (en) * | 2010-03-23 | 2010-10-20 | 贵州航天电器股份有限公司 | Rainproof fireproof socket |
| CN102437488A (en) * | 2011-08-23 | 2012-05-02 | 湖州开合电子有限公司 | Short circuit preventing socket and electric connector |
| CN204680822U (en) * | 2015-06-23 | 2015-09-30 | 北京电子工程总体研究所 | A kind of underwater anti-short circuit separate electric connector |
| CN105186195A (en) * | 2015-08-14 | 2015-12-23 | 杭州航天电子技术有限公司 | Underwater short circuit prevention separating electric connector capable of synchronous unlocking |
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| CN105870707A (en) * | 2016-05-12 | 2016-08-17 | 杭州航天电子技术有限公司 | Sealed connecting rod for guiding |
| CN107196099A (en) * | 2017-04-18 | 2017-09-22 | 杭州航天电子技术有限公司 | A kind of radial shear separation connector under water |
| CN107706608A (en) * | 2017-09-18 | 2018-02-16 | 杭州航天电子技术有限公司 | A kind of anti-short-circuit breakaway plug connector with three-layer insulated body component |
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| Publication number | Publication date |
|---|---|
| CN111082258A (en) | 2020-04-28 |
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