CN217656075U - Sealed blind-mate connector - Google Patents

Abstract

The utility model provides a sealed blind plug connector, includes mutual suit complex plug subassembly and socket assembly, its technical essential is: the plug component comprises an inner shell component and an outer shell component which are coaxially sleeved, and a locking reed clamped and limited between the inner shell component and the outer shell component; the outer shell component comprises a matching part which is matched with the transition section and inclines towards the middle axis and a step structure arranged at the tail end of the matching part; a first inner insulator is arranged in the plug assembly and comprises a first positioning sleeve and a first contact pin, a wire clamping sleeve is arranged on the first contact pin side of the first inner insulator, and a pressing ring is matched between the wire clamping sleeve and the tail nut assembly; a second inner insulator is arranged in the socket assembly and comprises a second positioning sleeve and a second contact pin. The electric connector has the advantages of compact structure, convenience in use, reliability in electric connection, good sealing performance and the like.

Description

Sealed blind-mate connector

Technical Field

The utility model relates to a sealed blind plug connector, a blind plug seal structure specifically says so. The device is mainly suitable for environments with small operation space, frequent disassembly and sealing requirements, such as detection equipment, ships, individual combat systems and the like.

Background

Large-scale electromechanical equipment, such as weaponry, power machinery, mining equipment and the like, not only need a high-voltage circuit to continuously provide abundant energy sources, but also need a cooling water path to circulate in a reciprocating manner in the working process, and meet the heat dissipation requirement of long-term continuous working of the equipment. Therefore, the integral cooperative automatic butt joint blind plugging device for the large-scale water and electric connectors is researched, is installed between electromechanical equipment blocks with assembling and butt joint requirements, is used for quickly and reliably realizing interconnection and intercommunication of water and electric links of the equipment, can effectively improve the assembling efficiency and automation level of the electromechanical equipment, and guarantees the safety and reliability of the butt joint blind plugging process of the connectors. Because large electromechanical equipment is often bulky and heavy in structure and is restricted by processing and transportation conditions, the large electromechanical equipment is usually designed and manufactured into a plurality of independent functional blocks, complete working and operating capacity is obtained by splicing the blocks in a position state, and reliable and quick connection of a water path and a circuit is one of key factors for ensuring safe, continuous and stable work of the electromechanical equipment in the splicing and butting process of different blocks. The sealed blind plugging and unplugging connector can be widely applied to signal connection among detection equipment, ships, individual combat systems and other equipment.

The invention patent application of publication No. CN114352829A discloses a floating blind-plugging self-sealing quick connector, which comprises a male end connector and a female end connector; the male end connector comprises a fixed shaft sleeve, a male end valve body, a pressing shaft sleeve and a sealing ring, a communicating hole and a mounting hole are formed in the fixed shaft sleeve, the aperture of the mounting hole is larger than that of the communicating hole, a step surface is formed between the hole wall of the mounting hole and the hole wall of the communicating hole, the male end valve body is arranged in the mounting hole, an outer convex edge is arranged at the rear end of the male end valve body, the pressing shaft sleeve is positioned between the fixed shaft sleeve and the male end valve body, one end of the pressing shaft sleeve abuts against the outer convex edge, the sealing ring is pressed between the step surface and the outer convex edge, and floating gaps are reserved between the outer peripheral surface of the outer convex edge and the hole wall of the mounting hole and between the outer peripheral surface of the male end valve body and the inner peripheral surface of the pressing shaft sleeve; the female end connector comprises a female end valve body, and a leading-in inclined plane is arranged at the front end of the female end valve body.

The technical scheme of the blind-mate quick connector disclosed in the invention patent application with the publication number of CN103527879A includes a male connector and a female connector, a male connector support sleeve is sleeved outside the male connector, an O-shaped sealing ring is arranged between the male connector support sleeve and the male connector, and the O-shaped sealing ring is arranged in an annular groove formed in the male connector support sleeve.

However, the above technical solution mainly adopts a screw and bayonet connection separation structure, and the connection separation process requires a certain connection separation torque, which has the defects of inconvenient operation, short mechanical life, and the like, and is not suitable for frequent use under the condition of narrow operation space. The straight plug-in connection separation structure cannot combine a small volume, a blind plug-in structure and a sealing structure, and is not suitable for signal connection and separation among detection equipment, ships, individual combat systems and other equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sealed blind plug connector, fundamentally has solved above-mentioned problem, and it has advantages such as compact structure, convenient to use, electric connection are reliable, the leakproofness is good.

In order to achieve the above purpose, the utility model provides a following technical scheme: this sealed blind plug connector is including mutual suit complex plug subassembly and socket subassembly, and the technical essential is:

the plug component comprises an inner shell component and an outer shell component which are coaxially sleeved, and a locking reed clamped and limited between the inner shell component and the outer shell component;

the outer shell component comprises a matching part which is matched with the transition section and inclines towards the middle axis and a step structure arranged at the tail end of the matching part;

the inner shell component comprises a front end part and a rear end part which are communicated by an extension part, a tail nut component is screwed in the rear end part, a buffer groove used for inward extrusion of the front end of the locking reed is arranged on the extension part, a transition section is arranged between the extension part and the rear end part, the tail end of the transition section is provided with a clamping groove, and guide keys are non-uniformly arranged on the front end part along the circumferential direction;

the socket assembly comprises a hollow main body, a step bulge arranged on one side of the main body and a connecting end arranged on the other side of the main body, wherein an inner sealing groove matched with the front end part is arranged in the hollow main body;

a first inner insulator is arranged in the plug assembly and comprises a first positioning sleeve and a first contact pin, a wire clamping sleeve is arranged on the first contact pin side of the first inner insulator, and a pressing ring is matched between the wire clamping sleeve and the tail nut assembly;

a second inner insulator is arranged in the socket assembly and comprises a second positioning sleeve and a second contact pin.

The utility model has the advantages and beneficial effect:

the connector generally includes a plug assembly and a receptacle assembly that are plug-fit. Wherein, plug assembly includes interior shell component and the shell body subassembly through the locking reed cover fit of split type design, and outside preceding tip, back tip and the extension of interior shell component all were located shell body subassembly, the preceding tip of locking reed was "barb structure", and has explored shell body subassembly to the dashpot cooperation of its front end and extension. The wire after wiring and the inner shell component form an integral structure, when blind plugging, the front end of the locking reed can contract inwards to realize the diameter reduction matching with the inner wall of the connecting end until the wire is clamped into the locking groove; the rear end of the locking reed is positioned in the clamping groove at the rear end part, and the step structure of the outer shell component extrudes the clamping groove inwards. At the moment, the locking spring and the outer shell assembly can relatively slide along the axial direction for limiting, and the radial displacement of the locking spring is locked. Meanwhile, the front end part of the inner shell component is provided with guide keys which are arranged in a central symmetry mode, and accurate blind plugging positioning of the plug component and the socket component is achieved.

The outer sealing groove and the inner sealing groove limit the sealing ring respectively in the socket assembly, the outer sealing ring realizes deformation sealing under the extrusion action of the clamping nut, and the inner sealing groove realizes deformation sealing under the outward extrusion action of the front end part.

The first inner insulator and the second inner insulator are respectively limited in the plug assembly and the socket assembly. The first positioning sleeve of the first inner insulator and the second positioning sleeve of the second inner insulator are arranged oppositely, and the first contact pin and the second contact pin are respectively used for being matched with cables at two ends. Therefore, the connecting position of the cable is always positioned in the first inner insulator and the second inner insulator, and the insulation of the connecting position of the cable is further improved.

To sum up, the utility model has the advantages of compact structure, convenient to use, electricity are connected reliably, the leakproofness is good.

Drawings

Fig. 1 is a schematic view of the separated state of the present invention.

Fig. 1a is a schematic half-sectional view of the socket assembly of fig. 1 in an unassembled state.

Fig. 1b is a schematic semi-sectional view of the plug assembly of fig. 1 in an unassembled state.

Fig. 2 is a schematic sectional view showing the assembled state of fig. 1.

Fig. 3 is a schematic structural view of an inner housing assembly.

Detailed Description

The following description will explain the details of the present invention by way of specific examples with reference to fig. 1 to 3. The sealed blind-mate connector mainly comprises a plug component 1 and a socket component 2 which are mutually sleeved and matched.

The plug assembly 1 includes an inner housing assembly 11 and an outer housing assembly 12 coaxially sleeved, and a locking spring 13 clamped and limited therebetween.

The outer housing assembly 12 includes a medial-angled mating portion 122 that mates with the transition section 112, a step structure 121 disposed at an end thereof.

Inner housing assembly 11 includes front end 113 and rear end 114 communicated by extension 115, rear end 114 is internally screwed with tail nut assembly 5, extension 115 is provided with buffer groove 115a for inward extrusion of front end of locking reed 13, transition section 112 is provided between extension 115 and rear end 114, end of transition section 112 is provided with clamping groove 111, and front end 113 is provided with guide keys 113a non-uniformly along circumferential direction.

The socket component 2 comprises a hollow main body, a step bulge 25 arranged on one side of the main body, and a connecting end 27 arranged on the other side of the main body, wherein an inner sealing groove 22 matched with the front end 113 is arranged in the hollow main body, a step groove 26 is arranged in the step bulge 25, a clamp spring assembling groove 24 is arranged in the step groove 26, an outer sealing groove 21 is arranged at the bottom of the step bulge 25, a locking groove 271 elastically clamped and matched with the front end of the locking reed 13 is arranged on the inner side of the connecting end 27, and a clamping nut 23 matched with the outer sealing groove 21 is sleeved on the connecting end 27.

The plug assembly 1 is internally provided with a first inner insulator 3 which comprises a first positioning sleeve 31 and a first pin 32, the first pin 32 side of the first inner insulator 3 is provided with a wire clamping sleeve 33, and a pressing ring 51 is matched between the wire clamping sleeve 33 and the tail nut assembly 5.

A second inner insulator 4 is disposed in the receptacle assembly 2 and includes a shield ring 41, a second alignment sleeve 42, and a second pin 43.

When the operation space is narrow, the position of the connector cannot be accurately positioned, and blind plugging operation is required, the plug assembly 1 is butted with the socket assembly 2 through three guide keys 113a which are arranged in central symmetry (for example, the central connecting line of the guide keys 113a is in an isosceles triangle), the clamping nut 23 is sleeved on the outer shell assembly 12 when the plug assembly is plugged, and the step structure 121 plays a certain limiting role. Through the guiding key 113a matching with the guiding groove (not marked in the figure) of the inner wall of the connection end 27 of the socket assembly 2, the front end 113 gradually enters the locking groove 271 of the socket assembly 2, the front end of the locking spring 13 is provided with a guiding inclined plane, which drives the whole front end to reduce diameter inwards until reaching the locking groove 271 of the connection end 27 under the squeezing action of the inner wall of the socket assembly 2, at this time, the front end of the locking spring 13 resets and is clamped into the locking groove 271 under the elastic action, and the front end 113 is sealed and embedded in the socket assembly 2 through the sealing ring in the inner sealing groove 22. After all the locking reeds 13 are elastically clamped and matched, the clamping nut 23 is pushed to the outer side of the socket assembly 2 and screwed through the screw threads, and at the moment, the outer sealing groove 21 is sealed under the screwing and extruding effects. Of course, other ways of achieving a radial seal between the inner housing assembly 11 and the receptacle housing assembly 2 are also possible.

In order to improve the insulation of the terminals of the cable (not shown), a first inner insulator 3 and a second inner insulator 4 are further respectively limited in the plug assembly 1 and the socket assembly 2.

When the unlocking is needed, the clamping nut 23 is firstly unscrewed, the outer shell component 12 is pulled to drive the locking reed 13 and the inner shell component 11 to move simultaneously until the barb structure at the front end of the locking reed 13 is pressed down by the locking groove 271, so that the unlocking can be realized, and the locking reed 13 is continuously pulled until the locking reed is completely separated from the locking groove 271.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Description of reference numerals:

1. the plug assembly, 11 inner shell assemblies, 111 clamping grooves, 112 transition sections, 113 front end parts, 113a guide keys, 114 rear end parts, 115 extension parts, 115a buffer grooves, 12 outer shell assemblies, 121 step structures, 122 matching parts and 13 locking spring plates;

2. the socket comprises a socket component, a 21 outer sealing groove, a 22 inner sealing groove, a 23 clamping nut, a 24 clamp spring assembling groove, a 25 step bulge, a 26 step groove, a 27 connecting end and a 271 locking groove;

3. a first inner insulator, a 31 first positioning sleeve, a 32 first pin and a 33 wire clamping sleeve;

4. a second inner insulator, a 41 second positioning sleeve and a 42 second inserting pin;

5. tail nut assembly, 51 clamp ring.

Claims (1)

1. A sealed blind-mate connector comprising a plug assembly (1) and a receptacle assembly (2) that are mutually nested, characterized in that:

the plug assembly (1) comprises an inner shell assembly (11) and an outer shell assembly (12) which are coaxially sleeved, and a locking reed (13) clamped and limited between the inner shell assembly and the outer shell assembly;

the outer shell component (12) comprises a matching part (122) which is matched with the transition section (112) and inclined towards the central axis, and a step structure (121) arranged at the tail end of the matching part;

the inner shell assembly (11) comprises a front end part (113) and a rear end part (114) which are communicated through an extension part (115), a tail nut assembly (5) is screwed in the rear end part (114), a buffer groove (115 a) used for inwards extruding the front end of the locking reed (13) is formed in the extension part (115), a transition section (112) is arranged between the extension part (115) and the rear end part (114), a clamping groove (111) is formed in the tail end of the transition section (112), and guide keys (113 a) are arranged on the front end part (113) in a non-uniform distribution mode along the circumferential direction;

the socket assembly (2) comprises a hollow main body, a step bulge (25) arranged on one side of the main body and a connecting end (27) arranged on the other side of the main body, wherein an inner sealing groove (22) matched with the front end part (113) is arranged in the hollow main body, a step groove (26) is arranged in the step bulge (25), a clamp spring assembling groove (24) is arranged in the step groove (26), an outer sealing groove (21) is arranged at the bottom of the step bulge (25), a locking groove (271) elastically clamped and matched with the front end of a locking spring (13) is arranged on the inner side of the connecting end (27), and a clamping nut (23) matched with the outer sealing groove (21) is sleeved on the connecting end (27);

a first inner insulator (3) is arranged in the plug assembly (1) and comprises a first positioning sleeve (31) and a first contact pin (32), a wire clamping sleeve (33) is arranged on the first contact pin (32) side of the first inner insulator (3), and a pressing ring (51) is matched between the wire clamping sleeve (33) and the tail nut assembly (5);

a second inner insulator (4) is arranged in the socket component (2) and comprises a second positioning sleeve (41) and a second pin (42).

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