阅读说明：本技术 一种标准型防插错水密连接器 (Standard anti-misplug watertight connector ) 是由 张博 于 2020-05-07 设计创作，主要内容包括：本发明提供了一种标准型防插错水密连接器,包括插座和插头,插座包括壳体和位于插座密封体内的插孔、导向孔,插孔的一端与导线连接,插孔的另一端设有内腔,内腔中包含环形凸起,插头密封体上设有插针及导向销,每个插针底部设有橡胶棒,插针的一端与电缆中的导线连接,插针的另一端插设在插孔内,橡胶棒插在内腔中,橡胶棒与环形凸起密封抵接；本发明的插座与相对应的插头能在潮湿的环境下进行插拔,在浅海、深海中均能使用,有可靠的密封性能及防插错功能,适合用于各种水下作业设备中。(The invention provides a standard type anti-misplug watertight connector which comprises a socket and a plug, wherein the socket comprises a shell, and a jack and a guide hole which are positioned in a socket sealing body; the socket and the corresponding plug can be plugged in and pulled out in a humid environment, can be used in shallow sea and deep sea, have reliable sealing performance and a function of preventing wrong plugging, and are suitable for various underwater operation equipment.)

1. The utility model provides a mistake watertight connector is inserted to standard type, includes socket and plug, the one end of socket is installed on underwater operation equipment, the other end and the plug sealing connection of socket, its characterized in that:

the socket comprises a shell (10), a socket sealing body (3) and an external thread locking nut (6), the shell (10) is installed on underwater operation equipment, the shell (10) is made of 316L, the socket sealing body (3) is connected with the shell (10) in a sealing mode, the socket sealing body (3) is provided with a guide hole (1) and a plurality of inner cavities (2) along the axial direction, a positioning supporting block (8) is arranged in the shell (10), an epoxy sealing body (11) is poured between one end of the positioning supporting block (8) and the shell (10), and the other end of the positioning supporting block (8) is connected with the socket sealing body (3);

each inner cavity (2) is internally provided with a jack (5), the jacks (5) are matched and connected with wires (12), the wires (12) sequentially penetrate through a positioning support block (8) and an epoxy sealing body (11), the external thread locking nut (6) is sleeved on the outer side of the socket sealing body (3), and the inner side of one end of the external thread locking nut (6) is connected with the outer side of one end of the socket sealing body (3);

the plug comprises a contact pin (13), a plug sealing body (15), an internal thread locking nut (16) and a guide pin (18), the internal thread locking nut (16) is sleeved on the outer side of the plug sealing body (15), one end of the internal thread locking nut (16) is connected with the plug sealing body (15), and the other end of the internal thread locking nut (16) is in threaded fit connection with the external thread locking nut (6);

the plug sealing body (15) is provided with guide pins (18) and contact pins (13), the number of the contact pins (13) is the same as that of the inner cavity (2), one end of each contact pin (13) is inserted into the plug sealing body (15), one end of each contact pin (13) is connected with a wire in a cable (17), the wires are connected with the plug sealing body (15), the other end of each contact pin (13) is exposed out of the plug sealing body (15), and the contact pins (13) correspond to the jacks (5);

one end of the guide pin (18) is inserted into the plug sealing body (15), the other end of the guide pin (18) is exposed out of the plug sealing body (15), and the other end of the guide pin (18) corresponds to the guide hole (1).

2. The standard type watertight connector for preventing wrong insertion according to claim 1, wherein the plug sealing body (15) is provided with a rubber rod (14) extending along the axial direction, the rubber rod (14) is wrapped on the outer side of the insertion pin (13), the rubber rod (14) corresponds to the position of the inner cavity (2), and the other end of the insertion pin (13) penetrates out of the rubber rod (14).

3. The standard type watertight connector for preventing wrong insertion according to claim 1, characterized in that a plurality of annular protrusions (4) are uniformly distributed on the inner wall of the inner cavity (2) along the axial direction, the annular protrusions (4) protrude towards the inner side along the radial direction, the rubber rod (14) is located in the inner cavity (2), and the rubber rod (14) is connected with the annular protrusions (4) in a sealing mode.

4. The standard type watertight connector for preventing wrong insertion according to claim 1, 2 or 3, characterized in that the number of said guiding holes (1) is one, said guiding holes (1) are opened along the axial direction of the socket sealing body (3), said number of said guiding pins (18) is one, said guiding pins (18) are cylindrical, and said plug and socket are matched by plugging between the guiding pins (18) and the guiding holes (1).

5. The standard type watertight connector for preventing wrong insertion according to claim 1, 2 or 3, wherein one end of the housing (10) is provided with an external thread, the housing (10) is connected with underwater operation equipment in a threaded fit manner, the other end of the housing (10) is bonded with the socket sealing body (3) to form an integral structure, a through hole is formed in the housing (10) along the axial direction, the positioning support block (8) is located at one end of the through hole, one end of the positioning support block (8) is bonded with the socket sealing body (3) to form an integral structure, an annular groove is formed in the contact surface of the housing (10) and the operation equipment, and an O-shaped sealing ring (9) is arranged in the annular groove.

6. The standard type watertight connector for preventing wrong insertion according to claim 1, 2 or 3, characterized in that one end of the external thread lock nut (6) is connected with the socket sealing body (3) through a snap spring (7), and the other end of the external thread lock nut (6) is provided with an external thread.

7. The standard type anti-misplug watertight connector according to claim 1, 2 or 3, characterized in that one end of the contact pin (13) bonded with the plug sealing body (15) is provided with a blind hole, the conducting wire in the cable (17) is welded with the inner wall of the blind hole, and the other end of the contact pin (13) is inserted into the jack (5).

Technical Field

The invention relates to the field of connectors, in particular to a standard type anti-misplug watertight connector.

Background

With the vigorous development of underwater utilities, the requirements on the reliability of underwater connectors are higher and higher, and the existing watertight connectors have the following problems:

1. once moisture or water enters the joint sealing part of the socket and the plug, the insulation performance of the watertight connector can be reduced, the insulation effect is influenced, and even the insulation fails.

2. When the positions of the holes and the pins on the socket and the plug are distributed in a symmetrical mode, the insertion is easy to be wrong during installation, and once the insertion is wrong, a short circuit phenomenon is caused when signals are transmitted, and equipment is damaged seriously.

Disclosure of Invention

The invention aims to provide a standard type anti-misplug watertight connector, which solves the problems of sealing failure, electric insulation performance reduction, easy misplug when contact pins and jacks are distributed in a symmetrical mode and the like caused by water inflow and moisture inflow phenomena in the prior art, meets the requirement of wet plugging under severe conditions, has an anti-misplug function, and ensures the requirements of sealing effect and electric insulation performance.

In order to achieve the purpose, the technical scheme of the invention is as follows:

the utility model provides a mistake watertight connector is inserted to standard type, includes socket and plug, the one end of socket is installed on underwater operation equipment, the other end and the plug sealing connection of socket, its characterized in that:

the socket comprises a shell, a socket sealing body and an external thread locking nut, the shell is installed on underwater operation equipment, the shell is made of 316L, the socket sealing body is in sealing connection with the shell, the socket sealing body is axially provided with a guide hole and a plurality of inner cavities, a positioning support block is arranged in the shell, an epoxy sealing body is poured between one end of the positioning support block and the shell, and the other end of the positioning support block is connected with the socket sealing body;

each inner cavity is internally provided with a jack, the jack is connected with a lead in a matching way, the lead sequentially passes through the positioning support block and the epoxy sealing body, the external thread locking nut is sleeved on the outer side of the socket sealing body, and the inner side of one end of the external thread locking nut is connected with the outer side of one end of the socket sealing body;

the plug comprises a contact pin, a plug sealing body, an internal thread locking nut and a guide pin, wherein the internal thread locking nut is sleeved outside the plug sealing body, one end of the internal thread locking nut is connected with the plug sealing body, and the other end of the internal thread locking nut is connected with the external thread locking nut in a thread fit manner;

the plug sealing body is provided with guide pins and contact pins, the number of the contact pins is the same as that of the inner cavities, one ends of the contact pins are inserted into the plug sealing body, one ends of the contact pins are connected with a conducting wire in a cable, the conducting wire is connected with the plug sealing body, the other ends of the contact pins are exposed out of the plug sealing body, and the contact pins correspond to the jacks;

one end of the guide pin is inserted into the plug sealing body, the other end of the guide pin is exposed out of the plug sealing body, and the other end of the guide pin corresponds to the guide hole.

Further, the plug sealing body is provided with a rubber rod along the axial extension, the rubber rod is wrapped on the outer side of the contact pin and corresponds to the inner cavity, and the other end of the contact pin penetrates out of the rubber rod.

Further, be equipped with a plurality of annular archs along axial evenly distributed on the inner wall of inner chamber, the annular arch is along protruding to the radial inboard side, the rubber stick is located the inner chamber, rubber stick and annular protruding sealing connection.

Furthermore, the number of the guide holes is one, the guide holes are formed in the axial direction of the socket sealing body, the number of the guide pins is one, the guide pins are cylindrical, and the plug and the socket are matched in an inserted mode through the guide pins and the guide holes.

Furthermore, an external thread is arranged at one end of the shell, the shell is connected with underwater operation equipment in a threaded fit mode, the other end of the shell is bonded with the socket sealing body to form an integrated structure, a through hole is formed in the shell in the axial direction, the positioning supporting block is located at one end of the through hole, one end of the positioning supporting block is bonded with the socket sealing body to form an integrated structure, an annular groove is formed in the contact surface of the shell and the operation equipment, and an O-shaped sealing ring is arranged in the annular groove.

Furthermore, one end of the external thread locking nut is connected with the socket sealing body through a clamp spring, and an external thread is arranged at the other end of the external thread locking nut.

Furthermore, a blind hole is formed in one end, bonded with the plug sealing body, of the contact pin, a conducting wire in the cable is welded with the inner wall of the blind hole, and the other end of the contact pin is inserted into the jack.

The invention has the advantages that:

the plugging and unplugging are realized in a humid water-carrying environment, the underwater sealing effect can be met under severe sea conditions, the adopted 316L and the rubber body can resist seawater corrosion, can be applied to both shallow sea and deep sea, are suitable for transmitting electric signals on various underwater operation equipment, and have high underwater sealing reliability;

the guide hole in the socket sealing body is combined with the guide pin on the plug sealing body, so that the phenomenon of wrong insertion in the installation process is prevented;

the annular small bulge in each inner cavity of the front end of the jack in the socket sealing body and each rubber rod on the rear end of the contact pin on the plug sealing body achieve the sealing effect of independent combination, and even if moisture or water drops enter, the insulation performance is not affected, and the effect of integral axial sealing is achieved.

Drawings

FIG. 1 is a schematic view of the internal structure of the socket of the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a schematic view of the internal structure of the plug of the present invention;

fig. 4 is a left side view of fig. 3.

Reference numerals:

1 guide hole, 2 inner cavities, 3 socket sealing bodies, 4 annular bulges, 5 jacks,

6 external thread lock nut, 7 snap springs, 8 positioning support blocks, 9O-shaped sealing rings, 10 shells,

11 epoxy seal, 12 wires, 13 pins, 14 rubber bars, 15 pin seals,

16 internal screw lock nuts, 17 cables, 18 guide pins.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention discloses a standard type anti-misplug watertight connector, which comprises a socket and a plug, wherein one end of the socket is arranged on a sealed cabin of underwater equipment, the plug is inserted into the other end of the socket to play an axial sealing effect, the socket and the plug are connected through threads of a lock nut to prevent loosening, an external thread lock nut 6 and an internal thread lock nut 16 are screwed, a rubber rod 14 is inserted into an inner cavity 2 and is in sealed abutting joint with an annular bulge 4 to play an independent axial sealing effect, and the internal thread lock nut 16 on the plug is connected with the external thread lock nut 6 on the socket to prevent loosening.

The underwater cable connector is arranged on an underwater sealed cabin, is used for connecting the sealed cabin with a cable, is suitable for underwater operation of 0-8000M, and has the insulation resistance of more than or equal to 300-500M omega, the contact resistance of less than 0.01 omega and the plugging frequency of more than or equal to 500 times.

As shown in fig. 1 and 2, the socket includes a guide hole 1, a housing 10, a socket sealing body 3, a jack 5, an external thread lock nut 6, a snap spring 7, a positioning support block 8 and an epoxy sealing body 11, the housing 10 is made of 316L, one end of the housing 10 is provided with an external thread, the external thread at one end of the housing 10 is matched with an internal thread of a sealed cabin of underwater operation equipment, an annular groove is formed in a contact surface of the housing 10 and the sealed cabin of the underwater operation equipment, an O-shaped seal ring 9 is arranged in the annular groove, the socket and the sealed cabin are combined to achieve a radial sealing effect, the other end of the housing 10 is bonded with one end of the socket sealing body 3 into a whole, a through hole is formed in the housing 10 along an axial direction, the positioning support block 8 is inlaid at one end of the through hole, and one end of the positioning.

One end of the socket sealing body 3 is respectively bonded with one end of the positioning support block 8 and one end of the shell 10, the other end of the socket sealing body is provided with a plurality of inner cavities 2 and an independent guide hole 1 along the axial direction, and each inner cavity 2 is of a blind hole structure.

The invention is preferably a three-core watertight connector, the number of the inner cavities 2 is three, each inner cavity 2 is internally provided with a jack 5, the jack 5 is made of beryllium bronze, the inner surface of each jack 5 is plated with gold, the outer surface of each jack 5 is adhered to the inner wall of the inner cavity 2 and is integrated with the inner cavity 2 after vulcanization, one end of each jack 5, which is close to the positioning support block 8, is provided with a blind hole, and the inner wall of each blind hole of each jack 5 is welded with a lead 12.

Four through holes for installing the wires 12 are formed in the positioning support block 8, after the jacks 5 are welded with the wires 12, the wires 12 penetrate through the through holes in the positioning support block 8, and an epoxy sealing body 11 is poured between the other end of the positioning support block 8 and the shell 10.

The jack 5 is located the socket seal body 3, and the front end of every jack 5 is equipped with independent inner chamber 2, has a plurality of annular protrusion 4 along the axial equipartition on the inner wall of every inner chamber 2, and each annular protrusion 4 is along radially inwards protruding, guiding hole 1 sets up along the axial of socket seal body 3.

The material of external screw thread lock nut 6 is ABS (engineering plastics), external screw thread lock nut 6 cup joints in the outside of socket seal body 3, the one end of external screw thread lock nut 6 is passed through jump ring 7 and is connected with socket seal body 3, the other end of external screw thread lock nut 6 is equipped with the external screw thread.

As shown in fig. 3 and 4, the plug includes a pin 13, a plug sealing body 15, an internal thread lock nut 16 and a guide pin 18, a cable 17 is embedded in one end of the plug sealing body 15, the other end of the plug sealing body 15 extends outward in the axial direction to form a rubber rod 14, and the rubber rod 14 is arranged corresponding to the inner cavity 2.

The other end of the plug sealing body 15 is distributed with a plurality of contact pins 13 and an independent guide pin 18, the invention preferably adopts three contact pins 13, the contact pins 13 are made of copper, the surfaces of the contact pins 13 are plated with gold, one end of each contact pin 13 is bonded with the plug sealing body 15, one end of each contact pin 13 is provided with a blind hole, a lead in the cable 17 is welded with the inner wall of the blind hole, the other end of each contact pin 13 penetrates out of the plug sealing body 15 through a rubber bar 14, the other end of each contact pin 13 is exposed out of the plug sealing body 15, and the other end of each contact pin 13 corresponds to the jack 5.

The guide pin 18 is cylindrical, the outer surface of the guide pin 18 is smooth, one end of the guide pin 18 is bonded with the plug sealing body 15, and the other end of the guide pin 18 is arranged corresponding to the guide hole 1 on the socket sealing body 3; when the plug is plugged with the socket, the other end of the guide pin 18 is inserted into the guide hole 1, so that wrong insertion is prevented.

The material of internal thread lock nut 16 is ABS (engineering plastics), internal thread lock nut 16's one end is passed through jump ring 7 and is linked to each other with plug seal 15, internal thread lock nut 16's the other end is equipped with the internal thread, be connected through the internal and external screw thread cooperation between internal thread lock nut 16 and the external screw thread lock nut 6, the plug passes through internal thread lock nut 16 and combines with the external screw thread lock nut 6 of socket, prevents to loosen and take off, socket seal 3 and plug seal 15 adopt chloroprene rubber.

When the socket sealing structure is used, firstly, the socket is arranged on the land at a position corresponding to a sealing cabin for underwater operation, wherein the O-shaped sealing ring 9 on the shell 10 is tightly contacted with the sealing cabin to play a role of radial sealing, then, the guide pin 18 on the plug is inserted into the guide hole 1 in the socket to prevent wrong insertion, meanwhile, the contact pin 13 on the plug sealing body 15 is inserted into the jack 5 of the socket sealing body 3, the rubber rod 14 is inserted into the inner cavity 2, the rubber rod 14 is in sealing and abutting joint with the annular bulge 4, the end surface of the other end of the socket sealing body 3 and the plug sealing body 15 have high mechanical strength and good sealing performance, and the socket sealing structure can be subjected to wet plugging in and unplugging in a humid environment and meets the use requirement under.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.