阅读说明：本技术 一种反向标准型防插错水密连接器 (Reverse standard type anti-misplug watertight connector ) 是由 张博 于 2020-05-07 设计创作，主要内容包括：本发明提供了一种反向标准型防插错水密连接器,包括插座和插头,插座包括316L壳体和位于插座密封体上的插针、导向销,插头密封体内的插孔一端与电缆内的导线连接,插座密封体上具有插针及导向销,每个插针底部都有独立的橡胶棒,插针的一端与导线连接,另一端插设在插孔内,橡胶棒插在内腔中、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,且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,用来传递电信号。(The invention provides a reverse standard type anti-misplug watertight connector, which comprises a socket and a plug, wherein the socket comprises a 316L shell, and a contact pin and a guide pin which are positioned on a socket sealing body, one end of a jack in the plug sealing body is connected with a lead in a cable, the socket sealing body is provided with the contact pin and the guide pin, the bottom of each contact pin is provided with an independent rubber rod, one end of the contact pin is connected with the lead, the other end of the contact pin is inserted in the jack, and the rubber rod is inserted in an inner cavity and is in sealing and abutting joint with an annular bulge.)

1. The utility model provides a wrong watertight connector is inserted to reverse 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 in sealing connection with the shell (10), a guide pin (1) is axially arranged on the socket sealing body (3), a positioning supporting block (8) is arranged in the shell (10), one end of the positioning supporting block (8) is connected with the socket sealing body (3), an epoxy sealing body (11) is poured between one end of the positioning supporting block (8) and the shell (10), a lead (5) on a contact pin (4) sequentially penetrates through the positioning supporting block (8) and the sealing body, the external thread locking nut (6) is sleeved on the outer side of the socket sealing body (3), and the external thread locking nut (6) is connected with the socket sealing body (3);

the plug comprises a jack (13), a plug sealing body (15), an internal thread locking nut (16) and a guide hole (18), the plug sealing body (15) is provided with the guide hole (18) and a plurality of inner cavities (12) along the axial direction, the jack (13) is arranged in each inner cavity (12), the jack (13) is connected with a cable (17), 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 connected with the external thread locking nut (6) in a thread fit manner;

the socket sealing body (3) is provided with guide pins (1) and contact pins (4), the number of the contact pins (4) is the same as that of the inner cavities (12), one ends of the contact pins (4) are inserted into the socket sealing body (3), one ends of the contact pins (4) are connected with the wires (5), the other ends of the contact pins (4) are exposed out of the socket sealing body (3), and the other ends of the contact pins (4) correspond to the positions of the jacks (13);

one end of the guide pin (1) is inserted into the socket sealing body (3), the other end of the guide pin (1) is exposed out of the socket sealing body (3), and the other end of the guide pin (1) corresponds to the position of the guide hole (18).

2. The reverse standard type anti-misplug watertight connector according to claim 1, characterized in that the socket sealing body (3) is provided with a rubber rod (2) extending axially, the rubber rod (2) is wrapped on the outer side of the contact pin (4), and the rubber rod (2) corresponds to the position of the inner cavity (12).

3. The reverse standard type anti-misplug watertight connector according to claim 1, characterized in that a plurality of annular bulges (14) are uniformly distributed on the inner wall of the inner cavity (12) along the axial direction, the annular bulges (14) protrude inwards along the radial direction, the rubber rod (2) is positioned in the inner cavity (12), and the rubber rod (2) is connected with the annular bulges (14) in a sealing manner.

4. The reverse standard type anti-misplug watertight connector according to claim 1 or 2 or 3, characterized in that the number of the guide holes (18) is one, the guide holes (18) are opened along the axial direction of the socket sealing body (3), the number of the guide pins (1) is one, the guide pins (1) are cylindrical, and the plug and the socket are matched through the insertion between the guide pins (1) and the guide holes (18).

5. The reverse standard type anti-misplug watertight connector according to claim 1, 2 or 3, characterized in that one end of the housing (10) is provided with an external thread, the housing (10) is connected with underwater operation equipment in a thread 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 axially formed in the housing (10), 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 a 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 reverse standard type anti-misplug watertight connector according to claim 1, 2 or 3, characterized in that one end of the externally threaded lock nut (6) is connected with the socket sealing body (3) through a snap spring (7), and the other end of the externally threaded lock nut (6) is provided with an external thread.

7. The reverse standard type anti-misplug watertight connector according to claim 1, 2 or 3, characterized in that one end of the contact pin (4) bonded with the plug sealing body (15) is provided with a blind hole, the conducting wire (5) in the cable (17) is welded with the inner wall of the blind hole, and the other end of the contact pin (4) is inserted into the jack (13).

Technical Field

The invention relates to the field of connectors, in particular to a reverse 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. The existing watertight connector has 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 reverse 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 symmetrically distributed 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 the function of misplug prevention, 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 wrong watertight connector is inserted to reverse 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 connected with the shell in a sealing mode, a guide pin is axially arranged on the socket sealing body, a positioning supporting block is arranged in the shell, one end of the positioning supporting block is connected with the socket sealing body, an epoxy sealing body is poured between one end of the positioning supporting block and the shell, a lead on a contact pin sequentially penetrates through the positioning supporting block and the sealing body, the external thread locking nut is sleeved on the outer side of the socket sealing body and is connected with the socket sealing body;

the plug comprises a jack, a plug sealing body, an internal thread locking nut and a guide hole, the plug sealing body is axially provided with the guide hole and a plurality of inner cavities, the jack is arranged in each inner cavity, the jack is connected with a cable, the internal thread locking nut is sleeved on the outer side of 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 socket 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 socket sealing body, one ends of the contact pins are connected with the conducting wires, the other ends of the contact pins are exposed out of the socket sealing body, and the other ends of the contact pins correspond to the positions of the jacks;

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

Further, the socket 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 the rubber rod corresponds to the inner cavity in position

Further, a plurality of annular bulges are uniformly distributed on the inner wall of the inner cavity along the axial direction, the annular bulges protrude towards the inner side along the radial direction, the rubber rod is positioned in the inner cavity, and the rubber rod is connected with the annular bulges in a sealing manner.

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 along 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 underwater sealing device can be plugged in a humid water-carrying environment, can meet the underwater sealing effect under the severe sea condition, adopts 316L and the rubber body which can resist seawater corrosion, can be applied to both shallow sea and deep sea, is suitable for transmitting electric signals on various underwater operation equipment, and has high underwater sealing reliability;

the guide pin on the socket sealing body is combined with the guide hole in 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 plug sealing body and each rubber rod on the rear end of the contact pin on the socket sealing body achieve the sealing effect of independent combination, even if moisture or water drops enter, the insulating property 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 pin, 2 rubber bar, 3 socket sealing body, 4 contact pin, 5 conducting wire, 6 external thread lock nut,

7 clamp springs, 8 positioning support blocks, 9O-shaped sealing rings, 10 shells, 11 epoxy sealing bodies,

12 inner cavity, 13 jack, 14 annular bulge, 15 plug sealing body, 16 internal thread lock nut,

cables 17, 18 lead to the bore.

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 reverse standard type anti-misplug watertight connector which comprises a socket and a plug, wherein one end of the socket is installed on a sealed cabin of underwater equipment, the plug is inserted into the other end of the socket to play an axial sealing effect, and the socket and the plug are connected through threads of a locking nut to prevent loosening.

As shown in fig. 1 and 2, the socket includes a guide pin 1, a housing 10, a socket sealing body 3, a contact pin 4, 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, an external thread is arranged at one end of the housing 10, 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 arranged on a contact surface of the housing 10 and the sealed cabin of the underwater operation equipment, an O-shaped sealing ring 9 is arranged in the annular groove, and the socket and the sealed cabin are combined to achieve a radial sealing effect.

The other end of casing 10 and the one end of socket seal body 3 bond structure as an organic whole, be equipped with the through-hole along the axial in the casing 10, positioning support block 8 inlays the one end at the through-hole, positioning support block 8 bonds structure as an organic whole with the one end of socket seal body 3.

The novel contact pin structure is characterized in that a blind hole is formed in one end, close to the positioning support block 8, of the contact pin 4, a lead 5 is welded to the inner wall of the blind hole of the contact pin 4, four through holes are formed in the positioning support block 8 and used for installing the lead 5, the lead 5 penetrates through the through hole in the positioning support block 8 after the contact pin 4 is welded with the lead 5, and an epoxy sealing body 11 is poured between the positioning support block 8 and the shell 10.

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 comprises a jack 13, a plug sealing body 15, an internal thread lock nut 16 and a guide hole 18, wherein a cable 17 is arranged at one end of the plug sealing body 15, and a plurality of inner cavities 12 are axially arranged at the other end of the plug sealing body 15.

The jack 13 sets up in the plug seal body 15, and the front end of every jack 13 is equipped with inner chamber 12, be equipped with a plurality of annular bulges 14 along axial evenly distributed on the inner wall of inner chamber 12, annular bulge 14 is along radially inwards protruding, guiding hole 18 sets up along the axial of plug seal body 15.

The other end of the plug sealing body 15 extends outwards along the axial direction to form rubber bars 2 with the number equal to that of the inner cavities 12, the rubber bars 2 correspond to the positions of the inner cavities 12, the other end of the socket sealing body 3 is provided with a plurality of contact pins 4 and a guide pin 1, the three contact pins 4 are preferably selected, the contact pins 4 are made of navy copper, the surfaces of the contact pins 4 are plated with gold, one ends of the contact pins 4 are bonded with the socket sealing body 3, one ends of the contact pins 4 are provided with blind holes, the leads 5 are welded with the inner walls of the blind holes, the other ends of the contact pins 4 penetrate out of the rubber bars 2 and are exposed out of the socket sealing body 3, and the other ends of the contact pins 4 correspond to.

The plug sealing structure is characterized in that the guide pin 1 is of a cylindrical structure, the outer surface of the guide pin 1 is smooth, one end of the guide pin 1 is bonded with the socket sealing body 3, the other end of the guide pin 1 corresponds to the position of a guide hole 18 in the plug sealing body 15, and the other end of the guide pin 1 is inserted into the guide hole 18 when the plug is plugged into the socket.

The material of internal thread lock nut 16 is ABS (engineering plastics), the one end of internal thread lock nut 16 is passed through jump ring 7 and is connected with plug seal 15, internal thread lock nut 16's the other end is equipped with the internal thread, internal thread lock nut 16 is connected through interior external screw thread cooperation with external screw thread lock nut 6, and 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 preferably adopt chloroprene rubber.

When the invention is used, firstly, the socket is arranged on the land at the corresponding position of a sealed cabin for underwater operation, wherein an O-shaped sealing ring 9 on a shell 10 is tightly contacted with the sealed cabin to play a role of radial sealing, a guide pin 1 on the socket is inserted into a guide hole 18 in a plug to prevent wrong insertion, meanwhile, a jack 13 on a plug sealing body 15 is inserted into a contact pin 4 of a socket sealing body 3, a rubber rod 2 enters an inner cavity 12 to enable the rubber rod 2 to be in sealing and abutting joint with an annular bulge 14, the end surface at the other end of the socket sealing body 3 is in sealing and abutting joint with the end surface at the other end of the plug sealing body 15, then an external thread locking nut 6 and an internal thread locking nut 16 are screwed, the rubber rod 2 enters the inner cavity 12 to be in sealing and abutting joint with the annular bulge 14 to play an independent axial sealing, and the internal thread, preventing the occurrence of loosening.

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.