CN105977743A

CN105977743A - Double-head high-voltage conversion connector

Info

Publication number: CN105977743A
Application number: CN201610539104.9A
Authority: CN
Inventors: 刘敏; 郭庆领; 彭长江
Original assignee: CETC 44 Research Institute
Current assignee: CETC 44 Research Institute
Priority date: 2016-07-09
Filing date: 2016-07-09
Publication date: 2016-09-28
Anticipated expiration: 2036-07-09
Also published as: CN105977743B

Abstract

The invention discloses a double-head high-voltage conversion connector. The double-head high-voltage conversion connector comprises a rectangular eight-core connection plug, a composite sleeve, a circular seven-core connection plug and six high-voltage lead wires, wherein a first plug housing of the rectangular eight-core connection plug is provided with a plugging groove, eight insertion cylinders extend from the plugging groove, the insertion cylinders are provided with metal sleeves, a glue pouring sleeve is fixed to the first plug housing, the rear side of the glue pouring sleeve is provided with a sealing cover plate, and the rectangular eight-core connection plug is provided with eight first lead wire channels; a plug installation plate of the circular seven-core connection plug is sleeved in a second plug housing, the plug installation plate is provided with seven first installation holes, a plug pressure plate is fixed on the plug installation plate, pin assemblies are arranged in the first installation holes, the pin assemblies comprise pin portions and pin connection seats, and the circular seven-core connection plug is provided with seven second lead wire channels; the seven high-voltage lead wires communicate with six insertion cylinders; the six high-voltage lead wires communicate with six pin connection seats; and the composite sleeve wraps the high-voltage lead wires. The conversion connector is prevented from sparking.

Description

Double end high pressure conversion connector

Technical field

The present invention relates to a kind of double end high pressure conversion connector.

Background technology

Double end high pressure conversion connector assembly is according to the application demand of China's military equipment, this high-tension connector Assembly is that high-pressure modular exports the high-voltage signal of travelling-wave tube and provides and be reliably connected passage, it is ensured that complete machine Signal emissivities, use unique interfacial seal structure, insulation processing and tail encapsulation technology to ensure Multichannel, stable, the safe transmission of high voltage signal.

In the case of not changing product structure, after insulation processing is done in position, hole unnecessary for adapter, change The way of Transmission signal, the method generally used is by corresponding the connecing of high-voltage signal of unnecessary Na mono-road Contact element is directly removed, and namely sky connects, but sky connect after product there will be when doing disruptive test beat The phenomenon of fire, thus cause the inefficacy of product.

Summary of the invention

The technical problem to be solved is to provide the double end height of a kind of performance safety, length in service life Pressure conversion connector.

For solving above-mentioned technical problem, the invention provides a kind of double end high pressure conversion connector, its feature For:

Plug, composite bushing, circular seven cores connection plug, six roots of sensation high-voltage conducting wires are connected including rectangle eight core；

Rectangle eight core connects plug and includes the first plug casing, seal cover board, rubber injection sleeve, insertion tube and metal Sleeve pipe, the first plug casing front end face has grafting groove, and on grafting groove rear wall, forward side direction is prolonged Stretching and have eight insertion tubes, there is the internal projecting ring extended internally described insertion tube front end, and is placed with metallic sheath in the middle part of insertion tube Pipe, the front end face of metal canula is resisted against on internal projecting ring, has jack, the first plug casing in metal canula Rear side is fixedly connected with rubber injection sleeve, has seal cover board on rear side of rubber injection sleeve, is encapsulating region in rubber injection sleeve, square Shape eight core connects plug connector rear and has eight the first lead channels, and the first lead channels sequentially passes through close respectively Capping plate, the first plug casing and correspondence stretch in eight insertion tubes；

Circular seven cores connect plugs include the second plug casing, patch bay, plug pressing plate, seven groups insert Needle assembly, patch bay is sleeved in the second plug casing, and the rear end face of patch bay is plane, Patch bay has seven the first installing holes, and the first installing hole runs through the front and rear end of patch bay, Being fixedly connected with plug pressing plate on front side of patch bay, seven groups of contact pin components are correspondingly arranged at the first peace respectively In dress hole, contact pin component includes that the contact pin portion at rear portion and the anterior contact pin being connected with high-voltage conducting wires connect seat, Circular seven cores connect plug front portion and have seven the second lead channels, and the second lead channels extends through close inserting Head pressing plate and correspondence communicate with seven the first installing holes, have been threaded connection card on rear side of the second plug casing Ring, is extended with engaging bulge loop, the front end face of plug pressing plate in the axis direction of card hoop the second plug casing It is resisted against on the rear end face of engaging bulge loop；

Six roots of sensation high-voltage conducting wires front end is respectively protruding into rectangle eight core and connects eight the first lead channels of plug wherein In six the first lead channels, six roots of sensation high-voltage conducting wires front end connects with six insertion tubes respectively, leads for eight first In line passage, two other first lead channels space between insertion tube and seal cover board is blocked up by adhesive Extremely；

Six roots of sensation high-voltage conducting wires rear end is respectively protruding into circular seven cores and connects seven the second lead channels of plug wherein In six the second lead channels, six roots of sensation high-voltage conducting wires rear end is connected seat respectively and connects with six contact pins, seven In second lead channels, another one the second lead channels is passed through in space between contact pin component and plug pressing plate Adhesive blocks；

Composite bushing is wrapped in circular seven cores and connects the high-voltage conducting wires that plug is connected between plug with rectangle eight core Outward.

After using such structure, meet for the insulation processing technology that position, hole unnecessary to adapter uses at present The problem that the proof voltage performance that arrives is the most up to standard, the technology that position, unnecessary hole is done insulation processing after improvement, will The centre bore position corresponding contact of fit on, and stick with glue agent the afterbody of contact is blocked, through this After sample processes, conversion connector does not haves the phenomenon of sparking, and other property indices all can be full Foot requirement.

The invention have the benefit that in the case of not changing product structure, by hole unnecessary for adapter Position uses a kind of new insulation processing technology, thus changes the way of its transmission signal, and product is every Performance indications all can meet requirement.

For the clearer technology contents understanding the present invention, below by the letter of this double end high pressure conversion connector It is referred to as this conversion connector.

The composite bushing of this conversion connector includes the chinlon jacket layer of outer layer, middle screen layer and shrink wrap layer； After using such structure, it is possible to use composite bushing is effectively protected the purpose of high-voltage conducting wires, Er Qiezeng Add the insulating properties of this conversion connector.

Rectangle eight core of this conversion connector connects plug and is provided with heat-shrink tube outside composite bushing junction, Circular seven cores connect plug and also are provided with heat-shrink tube outside composite bushing junction；After using such structure, Insulation processing is done on thermal shrinkable sleeve surface, can avoid foreign body pass through composite bushing be connected with rectangle eight core plug or Circular seven cores connect plug junction and enter in this conversion connector.

Accompanying drawing explanation

Fig. 1 is the structural representation of this conversion connector embodiment.

Fig. 2 is the A portion enlarged drawing of Fig. 1.

Fig. 3 is the structural representation that this conversion connector embodiment rectangle eight core connects plug.

Fig. 4 is the left view of Fig. 3.

Fig. 5 is the structural representation that circular seven cores of this conversion connector embodiment connect plug.

Fig. 6 is the right view of Fig. 5.

Fig. 7 is the structural representation of this conversion connector embodiment the first installing hole.

Detailed description of the invention

If Fig. 1 is to shown in 7

This conversion connector includes that rectangle eight core connects plug 2, composite bushing 5, circular seven cores connection plugs 1, six roots of sensation high-voltage conducting wires 4.

Circular seven cores connect plugs 1 include the second plug casing 11, patch bay 12, plug pressing plate 13, Seven groups of contact pin components.

Patch bay 12 is sleeved in the second plug casing 11, outside the second plug casing 11 rear portion is provided with Screw thread, in the middle part of the second plug casing 11, outside is provided with adapter sleeve 14 and ripple spring 19, patch bay 12 Rear end face be plane, patch bay 12 has seven the first installing holes, and the first installing hole runs through plug The front and rear end of installing plate 12, is fixed with plug pressing plate 13 on front side of patch bay 12, plug is installed Gap is had between anterior outer wall distance the second plug casing 11 inwall of plate 12；Circular seven cores connect plug 1 Front portion has seven the second lead channels 16, the second lead channels 16 extend through close plug pressing plate 13 and Correspondence communicates with seven the first installing holes, has been threaded connection snap ring 18 on rear side of the second plug casing 11, Snap ring 18 is extended with engaging bulge loop 18a, plug pressing plate 13 in the axis direction of the second plug casing 11 Front end face be resisted against on the rear end face of engaging bulge loop 18a, engaging bulge loop 18a limits plug pressing plate 13 Position.

Contact pin component includes that the contact pin portion 17a at rear portion and the anterior contact pin being connected with high-voltage conducting wires 4 connect seat 17b。

First installing hole is four sections of shoulder holes, and four sections of shoulder holes are by being followed successively by from front to back and high-voltage conducting wires 4 Coordinate the first shoulder hole 15a is connected with the contact pin of contact pin component seat 17b cooperation the second shoulder hole 15b, The 3rd shoulder hole 15c coordinated with contact pin portion 17a and fourth order ladder hole 15d, contact pin portion 17a run through the 3rd Shoulder hole 15c and stretch in fourth order ladder hole 15d, the front end of contact pin portion 17a is in fourth order ladder hole 15d Middle part, the aperture of fourth order ladder hole 15d is more than the diameter of contact pin portion 17a.

Described patch bay 12, plug pressing plate 13 use PEI material.

Rectangle eight core connects plug 2 and includes the first plug casing 21, seal cover board 26, rubber injection sleeve 25, inserts Cylinder 23 and metal canula 24, the first plug casing 21 uses material to be the exhausted of DAIP Edge material, the first plug casing 21 front end face has the grafting groove coordinating the second plug casing 11 rear portion 22, grafting groove 22 rear wall has eight hard insertion tubes 23, in the middle part of insertion tube 23, is placed with metal canula 24, there are the internal projecting ring 23a extended internally, metal canula 24 front end face and internal projecting ring in each insertion tube 23 front end The rear end face of 23a coordinates, and limits the position of metal canula 24, and metal canula 24 is two lobe groove structures, gold Belonging to sleeve pipe 24 and use the copper alloy with favorable elasticity, plated surface is golden, has jack between two lobe groove structures； First plug casing 21 has extended back inner sleeve 21a, is encapsulating region in rubber injection sleeve 25, rubber injection sleeve 25 Forward side is extended with the outer sleeve 25a coordinated with inner sleeve 21a, and fixing pin 29 sequentially passes through outer sleeve 25a and inner sleeve 21a stretches in encapsulating region, fixing pin 29 and inner sleeve 21a and outer sleeve 25a Interference fit, rubber injection sleeve 25 should some 27 3 division board 25b of first lead channels.

Rectangle eight core connects plug 2 rear portion and has eight the first lead channels 27, each first lead channels 27 sequentially pass through seal cover board the 26, first plug casing 21 respectively and stretch into insertion tube 23, three division boards Eight the first lead channels 27 are divided into four groups by 25b, and often two the first lead channels 27 correspondences of group are divided up and down Cloth, the first plug casing 21 is provided with the first flange 28, and four first installations are distributed on the first flange 28 Hole 28a, the first installing hole 28a and first install bolt 28b and coordinate.

Six roots of sensation high-voltage conducting wires 4 front end is respectively protruding into rectangle eight core and connects eight the first lead channels of plug 2 In 27 six of which the first lead channels 27, six roots of sensation high-voltage conducting wires 4 front end is respectively with six insertion tubes 23 even Logical, rectangle eight core connects to be fixed by crimp between plug 2 and described six roots of sensation high-voltage conducting wires 4, eight the In one lead channels 27, two other first lead channels 27 is empty between insertion tube 23 and seal cover board 26 Between blocked by adhesive；

Six roots of sensation high-voltage conducting wires 4 rear end is respectively protruding into circular seven cores and connects seven the second lead channels of plug 1 In 16 six of which the second lead channels 16, six roots of sensation high-voltage conducting wires 4 rear end is connected seat with six contact pins respectively 17b connects, and circular seven cores connect by being welded to connect between plug 1 and described six roots of sensation high-voltage conducting wires 4, and seven In individual second lead channels 16 another one the second lead channels 16 contact pin component and plug pressing plate 13 it Between space blocked by adhesive；

Composite bushing 5 is wrapped in circular seven cores connection plugs 1 and is connected the height between plug 2 with rectangle eight core Outside pressure wire 4, composite bushing 5 includes the chinlon jacket layer 51 in outside, middle screen layer 52 and inner side Shrink wrap layer 53.

Circular seven cores connect plug 1 and are provided with a heat-shrink tube 3, rectangle eight outside composite bushing 5 junction Core connects plug 2 and is provided with two-layer heat-shrink tube 3 outside composite bushing 5 junction, and two-layer heat-shrink tube 3 connects Use.

This conversion connector needs to transmit six tunnel high voltage power supply signals as requested, and rectangle eight core of front end is even Insulation processing is done in the position, two holes that patch plug is corresponding, and circular seven cores in rear end connect a hole corresponding in plug Insulation processing is done in position, and high-voltage electric connector remaining position, hole in this conversion connector two ends is respectively according to one_to_one corresponding Relation and high-voltage conducting wires dock successively.

Above-described is only one embodiment of the present invention, it is noted that common for this area For technical staff, under the premise without departing from the principles of the invention, it is also possible to make some modification and improvement, These also should be regarded as belonging to protection scope of the present invention.

Claims

1. a double end high pressure conversion connector, is characterized by:

Double end high pressure conversion connector the most according to claim 1, is characterized in that:

Described composite bushing includes the chinlon jacket layer of outer layer, middle screen layer and shrink wrap layer.

Rectangle eight core connects plug and is provided with heat-shrink tube outside composite bushing junction, and circular seven cores connect to be inserted It also is provided with heat-shrink tube outside head and composite bushing junction.