CN114389093A

CN114389093A - Integrated underwater electric connector plug

Info

Publication number: CN114389093A
Application number: CN202111495640.0A
Authority: CN
Inventors: 邵海丰; 齐沛瑶; 孙钧成; 郑志超; 陈奕斌
Original assignee: Hangzhou Aerospace Electronic Technology Co Ltd
Current assignee: Hangzhou Aerospace Electronic Technology Co Ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-04-22
Anticipated expiration: 2041-12-09
Also published as: CN114389093B

Abstract

The invention relates to an integrated underwater electric connector plug, which comprises a plug shell, a cable cover, a hole insulation assembly and a connecting nut, wherein the plug shell comprises a horizontal fixing section and a vertical connecting section, the horizontal fixing section and the vertical connecting section are integrally formed, a sealing gasket is arranged between the vertical connecting section and the cable cover, and an inclined plane is arranged in the horizontal fixing section, so that the integrated underwater electric connector plug has the advantages that: through setting the plug housing into horizontal canned paragraph and vertical linkage segment, because horizontal canned paragraph and vertical linkage segment are integrated into one piece, consequently, simplified the processing technology of plug housing greatly, and the reduction of plug housing part has reduced the sealed cooperation department of whole plug housing moreover, has improved sealing performance greatly to enable it to be used for the occasion under water, the installation focus when enabling whole plug housing and socket connection leans on the one end to the socket, thereby has improved the reliability of being connected with the socket.

Description

Integrated underwater electric connector plug

Technical Field

The invention relates to an integrated underwater electric connector plug.

Background

The electric connector is an important matching interface element widely used in aerospace system engineering and is responsible for power transmission, signal control and data transmission in the whole system of aerospace products, and the safe and stable electric connector is the premise of ensuring the reliability of the system. An electric connector used in the fields of spaceflight, weapons, ships and the like is generally applied to various special occasions, the electric connector used for underwater operation needs to have excellent sealing performance, and when the axial installation space of the underwater operation occasion is small, a cable does not have enough installation space, and at the moment, a common cable cover of a plug needs to be replaced by a bent cable cover component so as to realize installation. The bent cable cover assembly is an assembly consisting of a plurality of parts such as a cable cover, a bent cable cover, a framework, a nut and the like, and is used for converting the axial extension of a cable into longitudinal extension so as to save axial installation space. However, the bent cable cover assembly has a complex structure and uses a large number of parts, resulting in low reliability. And the bent cable cover can not be machined, the machining and manufacturing are complex, the surface precision is poor, the size is large, the weight is heavy, and the use is inconvenient. When the bent cable cover assembly is used in underwater operation occasions, the requirement on the sealing performance of the assembly is high, however, the bent cable cover assembly has unreliable overall sealing and poor waterproof effect due to the fact that the number of parts is large, the number of matched parts is large, and the number of sealing parts is large.

Disclosure of Invention

The invention aims to provide an integrated underwater electric connector plug, which can effectively reduce the number of parts of the whole plug and improve the sealing performance of the whole plug.

In order to solve the technical problems, the invention is realized by the following technical scheme: the utility model provides an integral type is electric connector plug under water, includes plug housing, cable cover, hole insulating assemblies and coupling nut, plug housing includes the horizontal canned paragraph of one section mounting hole insulating assemblies to and one section vertical linkage segment that links to each other with the cable cover, just horizontal canned paragraph and vertical linkage segment are integrated into one piece, be equipped with on the horizontal canned paragraph compress tightly hole insulating assemblies in the horizontal canned paragraph and tight cutting ferrule, be equipped with first rand on the hole insulating assemblies, just first rand offsets with tight cutting ferrule, coupling nut sets up on the horizontal canned paragraph, just be equipped with the second rand on the horizontal canned paragraph, be equipped with holding screw on coupling nut's the lateral wall, be equipped with sealed the pad between vertical linkage segment and the cable cover, be equipped with the inclined plane that offsets with hole insulating assemblies in the horizontal canned paragraph.

Preferably, the hole insulation assembly comprises a hole insulator, an insulation cover plate and a hole sealing line body, the hole sealing line body abuts against the inclined plane, the insulation cover plate is arranged between the hole insulator and the hole sealing line body, and the hole insulator is connected with the clamping sleeve.

Preferably, a pressing block abutting against the sealing gasket is arranged in the vertical connecting section, and when the cable cover is connected with the vertical connecting section, the pressing block presses the sealing gasket under the action of the cable cover.

Preferably, a plurality of vulcanized rubber grooves are formed in the outer side wall of the vertical connecting section.

Preferably, a plug protective cover is further arranged on the connecting nut, and a sealing ring is arranged between the plug protective cover and the plug shell.

Preferably, the plug shell is provided with a first limiting step, the plug protective cover is provided with a second limiting step which is abutted against the first limiting step, and when the second limiting step is in contact with the first limiting step, the connection nut and the plug shell are fixed through a set screw.

Preferably, the plug housing is provided with a first fixing groove for fixing the first collar.

Preferably, the coupling nut is provided with a second fixing groove for fixing the second collar.

In conclusion, the invention has the advantages that: the plug shell is arranged into the horizontal fixed section and the vertical connecting section, and the horizontal fixed section and the vertical connecting section are integrally formed, so that the processing technology of the plug shell is greatly simplified, the number of parts of the plug shell is reduced, the sealing matching position of the whole plug shell is reduced, the sealing performance is greatly improved, the plug shell can be used in underwater occasions, the volume of the plug shell is also greatly reduced, the weight of the whole electric connector plug is reduced, the mounting gravity center of the whole plug shell and the socket is close to one end of the socket when the plug shell is connected, the reliability of connection with the socket is improved, an operator can conveniently grasp the plug shell during mounting, the mounting is more time-saving and labor-saving, the number of the parts can be greatly reduced due to the integral forming of the plug shell, the whole plug shell has a compact structure, too many complex processing steps are not needed, and the workload of machining is greatly reduced, secondly, the connection of the cable cover is realized through the vertical connecting section, the installation and the fixation of the hole insulation component are realized through the horizontal fixation, therefore, the mutually independent installation and fixation can be realized, the spatial interference can not be formed in the installation process, the installation quality is improved, the problems possibly occurring in the installation process are reduced, and the horizontal installation section is internally provided with an inclined plane which is propped against the hole insulation component and a clamping sleeve which tightly presses the hole insulation component, thereby not only preventing the first clamping ring from moving due to the existence of a fit clearance between the first clamping ring and the plug shell, but also playing a role of sealing, and a sealing gasket is arranged between the vertical connection section and the cable cover, thereby further improving the sealing effect of the whole electric connector, and finally, only one connecting nut is needed, and the connecting nut is limited and fixed through the second clamping ring and the set screw, so that the mounting and dismounting are convenient, and the interference of the connecting nut is reduced.

Drawings

The invention will be further described with reference to the accompanying drawings in which:

FIG. 1 is a schematic structural view of an integral underwater electrical connector plug of the present invention;

FIG. 2 is a cross-sectional view of an integral subsea electrical connector plug of the present invention;

FIG. 3 is an exploded view of an integral subsea electrical connector plug according to the present invention;

FIG. 4 is a schematic view of the construction of the connection of the hole insulator assembly and the horizontal fixing section according to the present invention;

FIG. 5 is a schematic structural view of the connection between the coupling nut and the horizontal fixing section according to the present invention;

fig. 6 is a schematic structural view of the connection of the cable cover and the vertical connecting section in the invention.

Reference numerals:

1 plug casing, 11 horizontal fixed section, 12 vertical linkage segments, 13 inclined planes, 14 briquetting, 15 vulcanite grooves, 16 first fixed slots, 2 cable cover, 3 hole insulating assemblies, 31 hole insulators, 32 insulating cover plate, 33 hole sealing body, 4 coupling nut, 41 plug visor, 42 sealing washer, 43 first spacing step, 44 second spacing step, 45 second fixed slots, 5 tight cutting ferrule, 6 first rand, 7 second rand, 8 holding screw, 9 sealed pad.

Detailed Description

As shown in fig. 1, 2, 3, 4, 5, 6, an integrated underwater electric connector plug comprises a plug housing 1, a cable cover 2, a hole insulation component 3 and a connection nut 4, wherein the plug housing 1 comprises a horizontal fixing section 11 for installing the hole insulation component 3 and a vertical connecting section 12 connected with the cable cover 2, the horizontal fixing section 11 and the vertical connecting section 12 are integrally formed, the horizontal fixing section 11 is provided with a clamping sleeve 5 for pressing the hole insulation component 3 in the horizontal fixing section 11, the hole insulation component 3 is provided with a first clamping ring 6, the first clamping ring 6 abuts against the clamping sleeve 5, the connection nut 4 is arranged on the horizontal fixing section 11, the horizontal fixing section 11 is provided with a second clamping ring 7, a fastening screw 8 is arranged on the outer side wall of the connection nut 4, a sealing gasket 9 is arranged between the vertical connecting section 12 and the cable cover 2, and an inclined plane 13 which is abutted against the hole insulation component 3 is arranged in the horizontal fixing section 11.

By arranging the plug shell 1 into the horizontal fixed section 11 and the vertical connecting section 12, and because the horizontal fixed section 11 and the vertical connecting section 12 are integrally formed, the processing technology of the plug shell 1 is greatly simplified, the number of parts of the plug shell 1 is reduced, the sealing matching position of the whole plug shell 1 is reduced, the sealing performance is greatly improved, the plug shell can be used in underwater occasions, the size of the plug shell 1 is also greatly reduced, the weight of the whole electric connector plug is reduced, the installation gravity center of the whole plug shell 1 when being connected with a socket is enabled to lean against one end of the socket, the reliability of connection with the socket is improved, the plug shell is convenient for operators to grasp during installation, the installation is more time-saving and labor-saving, because the plug shell 1 is integrally formed, the number of parts can be greatly reduced, the whole plug shell 1 has a compact structure, and does not need too many complex processing steps, the workload of machining is greatly reduced, secondly, the connection of the cable cover 2 is realized through the vertical connecting section 12, the installation and fixation of the hole insulation component 3 are realized through the horizontal fixing section 11, so that the mutually independent installation and fixation can be realized, no space interference is formed in the installation process, the installation quality is improved, and the problems possibly occurring in the installation process are also reduced, in addition, the inclined plane 13 which is propped against the hole insulation component 3 is arranged in the horizontal installation section, and the clamping sleeve which is tightly pressed and tightly clamped on the hole insulation component can not only prevent the first clamping ring from moving due to the matching gap between the first clamping ring and the plug shell 1, but also play a sealing role, and the sealing gasket 9 is arranged between the vertical connecting section 12 and the cable cover 2, so that the sealing effect of the whole electric connector is further improved, finally, the plug only needs one connecting nut 4, so as to reduce the installation interference of the connecting nut 4, the connecting nut 4 is limited and fixed through the second clamping ring 7 and the set screw 8, and the mounting and the dismounting are convenient.

The hole insulation assembly 3 comprises a hole insulator 31, an insulation cover plate 32 and a hole sealing line body 33, the hole sealing line body 33 abuts against the inclined plane 13, the insulation cover plate 32 is arranged between the hole insulator 31 and the hole sealing line body 33, the hole insulator 31 is connected with the tightening clamp sleeve 5, the hole sealing line body 33 is made of an elastic material, the inclined plane 13 is formed in the contact position of the plug shell 1 and the hole sealing line body 33, the end portion of the hole sealing line body 33 is extruded and deformed to a certain degree, the sealing effect is achieved, meanwhile, the fit clearance between the clamp ring groove, the clamp ring and the tightening clamp sleeve 5 can be filled, and the insulator and the shell are prevented from moving.

Be equipped with the briquetting 14 that offsets with sealed pad 9 in the vertical linkage segment 12, when cable cover 2 is connected with vertical linkage segment 12, briquetting 14 receives the effort of cable cover 2 and the extrusion seal pad 9, and cable cover 2 in this embodiment passes through threaded connection with vertical linkage segment 12, after cable cover 2 revolves to briquetting 14 extrusion seal pad 9, sealed pad 9 and cable compaction, cable cover 2 screws to target in place, and when sealed pad 9 and cable were sealed, still can play the effect of fixed cable position, be equipped with a plurality of vulcanite groove 15 on the lateral wall of vertical linkage segment 12, increase the area of contact of plug casing 1 and vulcanite, increase vulcanite and plug casing 1's cohesion, strengthen waterproof performance on the basis of protecting wire, enlarge the use scene of plug.

The connecting nut 4 is further provided with a plug protection cover 41, a sealing ring 42 is arranged between the plug protection cover 41 and the plug shell 1, the plug protection cover 41 can realize the sealing protection of the plug shell 1, the sealing ring 42 can realize the sealing effect between the plug protection cover 41 and the plug shell 1, the plug shell 1 is provided with a first limiting step 43, the plug protection cover 41 is provided with a second limiting step 44 which is abutted against the first limiting step 43, when the second limiting step 44 is contacted with the first limiting step 43, the connecting nut 4 is fixed with the plug shell 1 through a set screw 8, in the installation process of the plug protection cover 41, when the second limiting step 44 is abutted against the first limiting step 43, the plug protection cover 41 is indicated to be screwed in place, at the moment, the connecting nut 4 is fixed with the plug shell 1 through the set screw 8, and the loosening caused by vibration is prevented, be equipped with the first fixed slot 16 of fixed first rand 6 on the plug housing 1, can improve the fixed quality of first rand 6, prevent droing of first rand 6, make things convenient for the dismantlement of first rand 6 moreover, be equipped with the second fixed slot 45 of fixed second rand 7 on the coupling nut 4, can improve the fixed quality of second rand 7, prevent droing of second rand 7, make things convenient for the dismantlement of second rand 7 moreover.

Other embodiments of the present invention than the preferred embodiments described above will be apparent to those skilled in the art from the present invention, and various changes and modifications can be made therein without departing from the spirit of the present invention as defined in the appended claims.

Claims

1. The utility model provides an integral type is electric connector plug under water, includes plug housing, cable cover, hole insulation assembly and coupling nut, its characterized in that: the plug shell comprises a horizontal fixing section of a mounting hole insulation assembly and a vertical connecting section connected with a cable cover, the horizontal fixing section and the vertical connecting section are integrally formed, a clamping sleeve for clamping the hole insulation assembly in the horizontal fixing section is arranged on the horizontal fixing section, a first clamping ring is arranged on the hole insulation assembly and is abutted to the clamping sleeve, a connecting nut is arranged on the horizontal fixing section and is provided with a second clamping ring, a fastening screw is arranged on the outer side wall of the connecting nut, a sealing gasket is arranged between the vertical connecting section and the cable cover, and an inclined plane abutted to the hole insulation assembly is arranged in the horizontal fixing section.

2. An integral underwater electrical connector plug as claimed in claim 1 wherein: the hole insulation assembly comprises a hole insulator, an insulation cover plate and a hole sealing line body, the hole sealing line body abuts against the inclined plane, the insulation cover plate is arranged between the hole insulator and the hole sealing line body, and the hole insulator is connected with the clamping sleeve tightly.

3. An integral underwater electrical connector plug as claimed in claim 1 wherein: and a pressing block which is abutted to the sealing gasket is arranged in the vertical connecting section, and when the cable cover is connected with the vertical connecting section, the pressing block is pressed by the acting force of the cable cover to extrude the sealing gasket.

4. An integral underwater electrical connector plug as claimed in claim 3 wherein: and the outer side wall of the vertical connecting section is provided with a plurality of vulcanized rubber grooves.

5. An integral underwater electrical connector plug as claimed in claim 1 wherein: and a plug protective cover is further arranged on the connecting nut, and a sealing ring is arranged between the plug protective cover and the plug shell.

6. An integral underwater electrical connector plug as claimed in claim 5 wherein: the plug is characterized in that a first limiting step is arranged on the plug shell, a second limiting step which is abutted against the first limiting step is arranged on the plug protective cover, and when the second limiting step is in contact with the first limiting step, the connection nut and the plug shell are fixed through a set screw.

7. An integral underwater electrical connector plug as claimed in claim 1 wherein: and a first fixing groove for fixing the first clamping ring is arranged on the plug shell.

8. An integral underwater electrical connector plug as claimed in claim 1 wherein: and a second fixing groove for fixing a second clamping ring is arranged on the connecting nut.