CN109103672A

CN109103672A - A kind of high-tension connector

Info

Publication number: CN109103672A
Application number: CN201810901765.0A
Authority: CN
Inventors: 张鑫龙; 孙计兵
Original assignee: Hangzhou Zhongmeng Photoelectric Technology Co Ltd
Current assignee: Hangzhou Zhongmeng Photoelectric Technology Co Ltd
Priority date: 2018-08-09
Filing date: 2018-08-09
Publication date: 2018-12-28
Anticipated expiration: 2038-08-09
Also published as: CN109103672B

Abstract

The invention discloses a kind of high-tension connectors, including plug-assembly, jack assemblies and socket lock, the plug-assembly includes plug casing, plug shield shell and plug inner core, the bottom of the plug casing is equipped with mounting base, it sets on the upper surface of the plug casing and is latched and a secondary lock there are two primary, the lower end surface of the plug casing is equipped with several mistake proofing keys, the jack assemblies are by Socket casing, jack shield shell, socket inner core, female terminal, interlock male terminal, socket lid, thread lid, inner shield ring, external shield ring, grommet and sealing ring composition, the present invention can reduce the damage that plug-assembly and jack assemblies generate during installation, reduce the deformation ratio of product, the case where having prevented wrong installation, and it is more stable after allowing product to install, also maloperation plug has been prevented, electric arc is generated when with plug, increase The safety of strong product.

Description

A kind of high-tension connector

Technical field

The present invention relates to high-tension connector technical field, in particular to a kind of high-tension connector.

Background technique

Traditional connector includes the connection type that male terminal and female terminal carry out grafting each other, that is, by plug and Plug between socket, to realize the electrical connection of two cables.In view of the reliability connected between plug and socket, to avoid plug It is detached from use because of factors such as vibrations with socket, well known method is that a card is arranged in plug/socket respectively Button/holding section (i.e. single buckle/holding section) realizes the locking to prevent loosening.This common locking mode connects in low pressure When connecing, such as in the case where the low-voltage circuit having on the vehicle promoted by internal combustion engine, it can basically meet functionally It is required that.

But but there are problems in high pressure connection, the case where high pressure connects, is for example including in electric vehicle or mixed It closes and is needed on power car with high-tension circuit to provide required power so that the devices such as main motor are run, they are utilized High pressure (usually 300V or higher) is described device energy supply, high pressure conditions underthrust plug head assembly and jack assemblies, and meeting exists Generate electric arc between male terminal and female terminal, so that male terminal or female terminal is carbonized, cause poor contact, or burn other zero Part, to need high-tension connector for these high-tension circuits.

Under the vibration working environment of electric vehicle or hybrid vehicle, a kind of height that fastening is more reliable and more stable is needed Connector is pressed, when connector maloperation, cable are accidentally pullled and exceed the coupling mechanism force of high-voltage plug and high-tension terminal, Situations such as high-voltage plug and high-tension terminal may be also disconnected in the energized state, and electric shock, electric leakage easily occurs, it is abnormally dangerous, There are also shielding cases in shake, poor contact is easy, so that interference signal be allowed to spread out of.

Summary of the invention

Technical problem to be solved by the invention is to provide a kind of high-tension connectors, to solve on caused by the prior art State multinomial defect.

To achieve the above object, present invention offer technical solution below: a kind of high-tension connector, including plug-assembly, Jack assemblies and socket lock, the plug-assembly includes plug casing, plug shield shell and plug inner core, the plug casing Bottom be equipped with mounting base, set that there are two primary lock and a secondary locks on the upper surface of the plug casing, it is described to insert The lower end surface of casing is equipped with several mistake proofing keys, and the jack assemblies are by Socket casing, jack shield shell, socket inner core, mother Terminal, interlocking male terminal, socket lid, threading lid, inner shield ring, external shield ring, grommet and sealing ring composition, described two A male terminal and interlocking female terminal are arranged inside plug inner core, and the interlocking female terminal is located among two male terminals, described The inner wall of plug casing is equipped with the dovetail groove of annular, and the bottom end of the plug casing is equipped with inside inner core jack and two are drawn Hopper, is equipped with several reinforcing ribs between the jack and inner core jack of the plug casing, the inner core jack enters the upper end Kong Chu Equipped with a mistake proofing groove, lower end is set there are two mistake proofing groove, and the two sides inner wall of the inner core jack is equipped with symmetrical fixed The lower end of position groove, the outside drawn hopper and be located at positioning groove, the plug shield shell is equipped with several shielding contact chips, institute The two sidewalls two sides for stating plug shield shell are symmetrically arranged with bit-avoiding slot, and the upper surface of the plug shield shell is equipped with a bit-avoiding slot, Its lower end surface is set there are two bit-avoiding slot, and the plug shield shell is wrapped in the outside of plug inner core, the two sides of the plug inner core It is symmetrically arranged with triangle card, the triangle card passes through bit-avoiding slot and positioning groove is mutually clamped, the upper end of the plug inner core Face is equipped with a mistake proofing convex block, is set at lower end surface there are two mistake proofing convex block, and the mistake proofing convex block and mistake proofing groove match, The socket inner core is equipped with barb one, and the jack shield shell is clamped with outer core in socket by barb one, the socket Enclosure interior is equipped with catching groove, and the socket inner core that outer wall has been clamped jack shield shell is passed through snapping on the inside of barb one and catching groove, institute It states female terminal side and is symmetrically arranged with elastic slice, and two female terminals are sticked in core inner in socket, the interlocking by elastic slice grafting Male terminal is plugged in socket inner core inside middle, and the sealing ring is set on the outside of jack shield shell, on the inside of the socket lid Wall is equipped with barb two, and socket lid passes through barb two and catching groove snapping；The inner shield ring inlay card inside external shield ring, Then it being inserted into and is connected to inside Socket casing from Socket casing lower end together, the grommet is connect with Socket casing lower end, Then threading lid and Socket casing lower end outer wall are clamped, and grommet are compressed, the Socket casing be equipped with lock shell and Several mistake proofing sliding slots, the lock shell, which is equipped with, presses version, and on the Socket casing, slot board is equipped with inside lock shell, described Slot board is equipped with elongated slot, and is equipped with limit cross bar in elongated slot middle upper part, and the socket lock detains end and is equipped with plate, described to insert Plate lower end is equipped with sliding block, and sliding block can slide in elongated slot, and the plate upper end is equipped with wedge block, and plate front end is equipped with latch hook, The socket lock is slidably connected with slot board, and when the plug-assembly is inserted into jack assemblies, the mistake proofing key can first contract It closes in mistake proofing sliding slot, the primary lock and a secondary lock setting are in lock shell, the plug-assembly and socket group After part plugs together, male terminal is inserted into female terminal, and interlocking male terminal insertion interlocking female terminal, the sealing ring is located at the trapezoidal of annular In slot, the plug shield shell and jack shield shell phase are electrically connected.

Preferably, annular groove is equipped in the bottom surface of the mounting base, if the outside inner wall of the annular groove is equipped with Dry triangle convex, the annular groove is interior to be equipped with gasket, and the triangle convex resists gasket.

Preferably, the four corners of the mounting base are equipped with counter sink, are equipped with crimp rings in the counter sink.

Preferably, the pressing version lower end surface is equipped with positive stop hook.

Preferably, several mistake proofing keys and mistake proofing sliding slot are mutually matched clamping, the multiple mistake proofing key and mistake proofing sliding slot Between be equipped with spacing, and apart from changeable as needed, according to the difference of spacing, product can be resolved into several set difference key mappings Combined plug-assembly and jack assemblies, and the plug-assembly of different key mapping combinations and jack assemblies are unable to interfix.

It is using the beneficial effect of above technical scheme:

1, a kind of high-tension connector of the invention, plug-assembly draw hopper and are located at positioning groove during assembly Both sides are entering positioning groove during the triangle card of plug inner core two sides is inserted into inner core jack with plug inner core Before, the two sides of inner core jack can be compressed, the space for drawing hopper can generate deformation more easily, to preferably let out power, prevent It is firmly excessive when installation plug inner core, plug casing is damaged, later, when triangle card snaps fit onto positioning groove, One mistake proofing convex block of plug inner core upper surface and two mistake proofing convex blocks of lower end surface can respectively correspond inner core jack and enter at hole In one mistake proofing groove of upper end and two mistake proofing grooves of lower end, in this way, not and limit can be played the role of, it can also prevent A possibility that only plug inner core installation direction is anti-, prevents maloperation, after installing, allow plug inner core in inner core jack more Stablize, will not be subjected to displacement, wherein the shielding contact chip of plug shield shell lower end more disperses, it can be ensured that shielding contact chip With the good contact of mounting base, poor contact will not be generated and influence shielded signal, and plug casing inner wall of the present invention is trapezoidal Groove depth is more deepened, so as to make the sealing ring in the power outlet being used cooperatively with it more thick and solid, for enhancing sealing effect Fruit and provide condition, at the stringcourse of plug casing and Socket casing jack of the present invention for circular arc it is excessive, in this way reduction sealing ring Because stretch unevenly cause leakproofness poor, present apparatus sealing effect is more preferable, in the different plug-in unit of multiple specifications, mistake proofing key and prevent Spacing between wrong sliding slot is different, in the same scene used, the plug-in unit of multiple and different specifications together in use, Because different key mappings combines, play prevents the case where being mutually inserted dislocation the plug-assembly and jack assemblies of each model, guarantees Each pair of plug-assembly and jack assemblies can agree with to connecting.

2, the high-tension connector power outlet contacts mounting with female terminal by crimp head, has certain tensile capacity, so Sealing ring is set on the outside of jack shield shell afterwards, and the grommet connect with Socket casing lower end and compresses external shield ring, so Threading lid and Socket casing lower end outer wall are clamped afterwards, and grommet is compressed, and first improve jack assemblies internal structure Second damping effect makes electric wire too quickly by pulling force, have certain drawing-resistant function, guarantees the stability of electrical connection.

3, secondary lock of high-tension connector arc protection, when mutually plugging together plug-assembly and jack assemblies, first by socket In elongated slot on lock insertion slot board, and the slidable connection in elongated slot, then plug-assembly is inserted into jack assemblies, when When primary lock on plug casing crosses the positive stop hook of pressing plate lower end, male terminal insertion female terminal and contact at this time, still It is not powered mutually, then further toward interpolation plug-assembly, when secondary screw-home movement with wedge block end face to when contacting, this When interlocking male terminal insertion interlocking female terminal in, interlocking male terminal and interlock female terminal connection, be equivalent to male terminal and female end Then the power-on switch of son again pushes away socket lock inside, so that socket lock detains the sliding block at end under the guiding role of elongated slot, It moves to and is limited cross bar and blocks, in the process, the latch hook of socket lock front end is successively crossed wedge block and secondary snapped into Up to the side of secondary lock, the locking of plug-assembly and jack assemblies is realized, is latched by socket by plug-assembly and socket Component locking, ensure that the stability and safety of connection, while plug together male terminal and female terminal first, then be powered, avoids Electric arc is avoided to generate.

When mutually unpluging plug-assembly and jack assemblies, with above on the contrary, first pressing the end of socket lock, at this time The latch hook that socket latches front end tilts, and then by pressing force, drawing socket is latched outward, so that latch hook successively crosses secondary lock And wedge block, the side of wedge block is reached, socket lock is released to the locking of secondary lock at this time, then unplugg group outward Part when a screw-home movement on plug casing is contacted to the positive stop hook with pressing plate lower end, interlocks male terminal from interlocking at this time It is extracted in female terminal, the power-on switch for being equivalent to male terminal and female terminal disconnects, and then presses one of pressing plate far from positive stop hook Side enables plug-assembly to extract, and realizes and first powers off, and then again unplugs male terminal and female terminal, avoids and avoid electric arc It generates, plug-assembly and jack assemblies phase plug, matches with locking and unlocking movement, ensure that power-off plug, avoid electric arc It generates.

Detailed description of the invention

Fig. 1 is the whole assembling schematic diagram of the high-tension connector attaching plug forward direction；

Fig. 2 is the reversed whole assembling schematic diagram of the high-tension connector attaching plug；

Fig. 3 is the cross-sectional view of Fig. 1；

Fig. 4 is all part explosive views of the high-tension connector attaching plug；

Fig. 5 is the structural schematic diagram of plug shield shell；

Fig. 6 is the high-tension connector power outlet entirety assembling schematic diagram；

Fig. 7 is the high-tension connector power outlet side view；

Fig. 8 is A-A cross-sectional view in Fig. 7；

Fig. 9 is B-B cross-sectional view in Fig. 7；

Figure 10 is all part explosive views of the high-tension connector power outlet；

Figure 11 is the three dimensional sectional view of slot Board position；

Figure 12 is the high-tension connector entirety assembling front view；

Figure 13 is the high-tension connector entirety assembling plan view；

Figure 14 is A-A cross-sectional view in Figure 12；

Figure 15 is B-B cross-sectional view in Figure 13；

Figure 16 is bus terminal structure schematic diagram；

Figure 17 is male terminal structural schematic diagram；

Figure 18 is interlocking bus terminal structure schematic diagram；

Figure 19 is interlocking male terminal structural schematic diagram.

Wherein, 1, plug-assembly；1-1, plug casing；1-2, plug shield shell；1-3, plug inner core；1-4, interlocking female end Son；1-5, male terminal；1-6, gasket；1-7, crimp rings；1-8, mounting base；1-10, dovetail groove；1-11, inner core jack；1- 12, hopper is drawn；1-13, reinforcing rib；1-14, mistake proofing groove；1-15, positioning groove；1-16, mistake proofing key；1-20, shielding contact Piece；1-21, bit-avoiding slot；1-30, triangle card；1-31, mistake proofing convex block；1-80, annular groove；1-81, triangle convex；1-82, Counter sink；2, jack assemblies；2-1, Socket casing；2-10, catching groove；2-2, jack shield shell；2-3, socket inner core；2-30, it falls Hook one；2-4, female terminal；2-40, elastic slice；2-5, interlocking male terminal；2-6, socket lid；2-60, barb two；2-7, threading lid Son；2-8, inner shield ring；2-9, external shield ring；2-10, grommet；2-11, sealing ring；2-16, mistake proofing sliding slot；3, socket lock Button；3-1, primary lock；3-2, secondary lock；3-3, lock shell；3-4, pressing version；3-40, positive stop hook；3-5, slot board；3- 6, elongated slot；3-7, limit cross bar；30, plate；31, sliding block；32, wedge block；33, latch hook.

Specific embodiment

The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.

Fig. 1-19 preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings: a kind of high-tension connector, including insert Head assembly 1, jack assemblies 2 and socket lock 3, the plug-assembly 1 include plug casing 1-1, plug shield shell 1-2 and plug The bottom of inner core 1-3, the plug casing 1-1 are equipped with mounting base 1-8, set on the upper surface of the plug casing 1-1 there are two Once the lower end surface of lock 3-1 and secondary lock 3-2, the plug casing 1-1 is equipped with several mistake proofing key 1-16, described Jack assemblies 2 are by Socket casing 2-1, jack shield shell 2-2, socket inner core 2-3, female terminal 2-4, interlocking male terminal 2-5, socket Lid 2-6, threading lid 2-7, inner shield ring 2-8, external shield ring 2-9, grommet 2-10 and sealing ring 2-11 composition, described two A male terminal 1-5 and interlocking female terminal 1-4 are arranged inside plug inner core 1-3, and the interlocking female terminal 1-4 is located at two male ends Among sub- 1-5, the inner wall of the plug casing 1-1 is equipped with the dovetail groove 1-10 of annular, and the bottom end of the plug casing 1-1 is set There is an inside inner core jack 1-11 and two are drawn hopper 1-12, between the jack and inner core jack 1-11 of the plug casing 1-1 Equipped with several reinforcing rib 1-13, the inner core jack 1-11's enters the upper end Kong Chu equipped with a mistake proofing groove 1-14, and lower end is set There are two mistake proofing groove 1-14, the two sides inner wall of the inner core jack 1-11 is equipped with symmetrical positioning groove 1-15, described to draw Hopper 1-12 is located at the outside of positioning groove 1-15, and the lower end of the plug shield shell 1-2 is equipped with several shielding contact chip 1-20, The two sidewalls two sides of the plug shield shell 1-2 are symmetrically arranged with bit-avoiding slot 1-21, and the upper surface of the plug shield shell 1-2 is equipped with One bit-avoiding slot 1-21, lower end surface are set there are two bit-avoiding slot 1-21, and the plug shield shell 1-2 is wrapped in plug inner core 1-3 Outside, the two sides of the plug inner core 1-3 are symmetrically arranged with triangle card 1-30, and the triangle card 1-30 passes through bit-avoiding slot 1- 21 and positioning groove 1-15 is mutually clamped, and the upper surface of the plug inner core 1-3 is equipped with a mistake proofing convex block 1-31, lower end It sets at face and is matched there are two mistake proofing convex block 1-31, the mistake proofing convex block 1-31 and mistake proofing groove 1-14, the socket inner core 2-3 One 2-30 of barb, the jack shield shell 2-2 and socket inner core 2-3 outer wall is equipped with to be clamped by one 2-30 of barb, it is described to insert It is equipped with catching groove 2-10 inside seat shell body 2-1, the socket inner core 2-3 that outer wall has been clamped jack shield shell 2-2 is passed through into one 2- of barb Snapping on the inside of 30 and catching groove 2-10, the side the female terminal 2-4 is symmetrically arranged with elastic slice 2-40, and two female terminal 2-4 pass through bullet Piece 2-40 grafting is sticked in inside socket inner core 2-3, and the interlocking male terminal 2-5 is plugged in socket inner core 2-3 inside middle, institute Sealing ring 2-11 to be stated to be set on the outside of jack shield shell 2-2, the socket lid 2-6 inner sidewall is equipped with two 2-60 of barb, and Socket lid 2-6 passes through two 2-60 of barb and catching groove 2-10 snapping；The inner shield ring 2-8 inlay card inside external shield ring 2-9, Then it is inserted into and is connected to inside Socket casing 2-1 from the lower end Socket casing 2-1 together, the grommet 2-10 and Socket casing The connection of the lower end 2-1, then threads lid 2-7 and Socket casing 2-1 lower end outer wall is clamped, and grommet 2-10 is compressed, described Socket casing 2-1 is equipped with lock shell 3-3 and several mistake proofing sliding slot 2-16, the lock shell 3-3 are equipped with pressing version 3-4, institute It states on Socket casing 2-1, slot board 3-5 is equipped with inside lock shell 3-3, the slot board 3-5 is equipped with elongated slot 3-6, and in length Slot 3-6 middle upper part is equipped with limit cross bar 3-7, and the socket latches 3 lower ends and is equipped with plate 30, and 30 lower end of plate, which is equipped with, to be slided Block 31, and sliding block 31 can slide in elongated slot 3-6,30 upper end of plate is equipped with wedge block 32, and 30 front end of plate is equipped with latch hook 33, the socket lock 3 is slidably connected with slot board 3-5, when the plug-assembly 1 is inserted into jack assemblies 2, the mistake proofing Key 1-16 can first agree in mistake proofing sliding slot 2-16, and the secondary lock 3-2 setting of primary lock 3-1 and one is in lock shell 3- In 3, after the plug-assembly 1 and jack assemblies 2 plug together, male terminal 1-5 is inserted into female terminal 2-4, interlocking male terminal 2-5 insertion Female terminal 1-4 is interlocked, the sealing ring 2-11 is located in the dovetail groove 1-10 of annular, the plug shield shell 1-2 and socket screen Shell 2-2 phase is covered to be electrically connected.

In the present embodiment, annular groove 1-80 is equipped in the bottom surface of the mounting base 1-8, the annular groove 1-80's is outer Side inner wall is equipped with several triangle convex 1-81, is equipped with gasket 1-6, the triangle convex 1-81 in the annular groove 1-80 Resist gasket 1-6.

In the present embodiment, the four corners of the mounting base 1-8 are equipped with counter sink 1-82, are equipped with pressure in the counter sink 1-82 Meet ring 1-7.

In the present embodiment, the pressing lower end surface version 3-4 is equipped with positive stop hook 3-40.

Embodiment one:

Plug inner core 1-3 is installed in plug shield shell 1-2 by the mounting means of whole device, the first step, will be in plug The triangle card 1-30 of the two sides core 1-3 is located in the bit-avoiding slot 1-21 of the two sides plug shield shell 1-2, by the upper end plug inner core 1-3 One mistake proofing convex block 1-31 in face is located in a bit-avoiding slot 1-21 of the upper surface plug shield shell 1-2, while plug inner core 1-3 Two mistake proofing convex block 1-31 of lower end surface are located in two bit-avoiding slot 1-21 of the lower end surface plug shield shell 1-2, realize plug screen Cover the accurate fitting of shell 1-2 and plug inner core 1-3；Second step, by plug shield shell 1-2 obtained in the first step and plug inner core 1-3 is inserted into plug casing 1-1 from inner core jack 1-11 together, wherein the triangle card 1-30 card of the two sides plug inner core 1-3 It is connected in positioning groove 1-15, the mistake proofing convex block 1-31 of plug inner core 1-3 upper and lower ends is stuck in inner core jack 1-11 and enters hole In the mistake proofing groove 1-14 for locating upper and lower ends；External wire end is peelled off insulated hull, keeps internal copper wire exposed, so by third step Male terminal 1-5 crimp head is crimped on copper wire afterwards, male terminal 1-5 and interlocking female terminal 1-4 are installed to plug inner core after allowing In 1-3；Gasket 1-6 is installed in annular groove 1-80 by the 4th step, then is driven into counter sink 1-82 with crimp rings 1-7, Mounting base 1-8 is fixed on cabinet；Wire end is peelled off insulated hull by the 5th step, keeps internal copper wire exposed, then will crimping Head is crimped on copper wire；Inner shield ring 2-8 is crimped on the insulated hull of electric wire by the 6th step, then again presses external shield ring 2-9 It connects stand-by on the outside of interior shading ring 2-8；Jack shield shell 2-2 is connected to socket inner core 2-3 by one 2-30 of barb by the 7th step Then outer wall has been clamped the socket inner core 2-3 of jack shield shell 2-2 by buckleing on the inside of one 2-30 of barb and catching groove 2-10 by outside It connects；Two female terminal 2-4 are sticked in inside socket inner core 2-3 by the 8th step by elastic slice 2-40 grafting, interlock male terminal 2-5 It is plugged in socket inner core 2-3 inside middle, then sealing ring 2-11 is set on the outside of jack shield shell 2-2 again；9th step, will Socket lid 2-6 passes through two 2-60 of barb and catching groove 2-10 snapping；Tenth step, by the stand-by conducting wire of step 6 from Socket casing 2- The insertion of 1 lower end, then makes crimp head contact mounting with female terminal 2-4, and external shield ring 2-9 is elastic by Socket casing 2-1 at this time It blocks；Then grommet 2-10 is covered on electric wire and is filled in inside Socket casing 2-1 by the 11st step, then will thread lid 2-7 covers on electric wire, is connected to threading lid 2-7 on Socket casing 2-1 lower end outer wall, and grommet 2-10 is compressed；The 12 steps, socket lock 3 is slidably connected with slot board 3-5, when plug-assembly 1 is inserted into jack assemblies 2, mistake proofing key 1-16 meeting First agree in mistake proofing sliding slot 2-16, the primary secondary lock 3-2 setting of lock 3-1 and one is in lock shell 3-3, plug-assembly 1 and after jack assemblies 2 plug together, male terminal 1-5 is inserted into female terminal 2-4, interlocking male terminal 2-5 insertion interlocking female terminal 1-4, close Seal 2-11 is located in the dovetail groove 1-10 of annular, and plug shield shell 1-2 is electrically connected with jack shield shell 2-2 phase.

Embodiment two:

The secondary lock of high-tension connector arc protection, when mutually plugging together plug-assembly 1 and jack assemblies 2, first by socket In elongated slot 3-6 on 3 insertion slot board 3-5 of lock, and the slidable connection in elongated slot 3-6, then plug-assembly 1 is inserted into and is inserted It is public at this time when the primary lock 3-1 on plug casing 1-1 crosses the positive stop hook 3-40 of the lower end pressing plate 3-4 in holder assembly 2 Terminal 1-4 is inserted into female terminal 2-4 and contact, but is not powered mutually, then further toward interpolation plug-assembly 1, when two Secondary lock 3-2 is moved to when contacting with 32 end face of wedge block, is interlocked in male terminal 2-5 insertion interlocking female terminal 1-5 at this time, interlocking The connection of male terminal 2-5 and interlocking female terminal 1-5, are equivalent to the power-on switch of male terminal 1-4 Yu female terminal 2-4, then again will Socket lock 3 pushes away inside, so that socket latches the sliding block 31 of 3 lower ends under the guiding role of elongated slot 3-6, moves to and is limited cross Bar 3-7 is blocked, and in the process, the latch hook 33 that socket latches 3 front ends successively crosses wedge block 32 and secondary lock 3-2 reaches two The side of secondary lock 3-2, realizes the locking of plug-assembly 1 and jack assemblies 2, by plug-assembly 1 and is inserted by socket lock 3 Holder assembly 2 is locked, and ensure that the stability and safety of connection, while plug together male terminal 1-4 and female terminal 2-4 first, then lead to Electricity avoids and electric arc is avoided to generate.

Embodiment three:

When plug-assembly 1 and jack assemblies 2 are mutually unpluged, with above on the contrary, first pressing socket lock 3 end, The latch hook 33 that socket latches 3 front ends at this time tilts, and then by pressing force, drawing socket latches 3 outward, so that latch hook 33 is successively got over Secondary lock 3-2 and wedge block 32 are crossed, the side of wedge block 32 is reached, socket lock 3 releases the lock to secondary lock 3-2 at this time Only, then plug head assembly 1 outward, the primary lock 3-1 on plug casing 1-1 move to the limit with the lower end pressing plate 3-4 When hook 3-40 is contacted, male terminal 2-5 is interlocked at this time and is extracted from interlocking female terminal 1-5, male terminal 1-4 and female terminal 2- are equivalent to 4 power-on switch disconnects, and then presses side of the pressing plate 3-4 far from positive stop hook 3-40, plug-assembly 1 is enable to extract, real Showed and first powered off, then unpluged again male terminal 1-4 and female terminal 2-4, avoid and electric arc is avoided to generate, plug-assembly 1 and insert 2 phase plug of holder assembly matches with locking and unlocking movement, ensure that power-off plug, electric arc is avoided to generate.

Based on above-mentioned, structure of the invention is using the beneficial effect of above technical scheme:

1, it is recessed positioned at positioning to draw hopper 1-12 during assembly for a kind of high-tension connector of the invention, plug-assembly 1 The both sides of slot 1-15, when the triangle card 1-30 of the two sides plug inner core 1-3 is with plug inner core 1-3 insertion inner core jack 1-11's In the process, before entering positioning groove 1-15, the two sides of inner core jack 1-11 can be compressed, the space for drawing hopper 1-12 can be lighter It changes places and generates deformation, it is firmly excessive when preventing installation plug inner core 1-3 to preferably let out power, plug casing 1-1 is caused brokenly It is bad, later, when triangle card 1-30 is snapped fit onto positioning groove 1-15, a mistake proofing convex block of the upper surface plug inner core 1-3 1-31 and two mistake proofing convex block 1-31 of lower end surface can respectively correspond inner core jack 1-11 enter the upper end Kong Chu a mistake proofing it is recessed In slot 1-14 and two mistake proofing groove 1-14 of lower end, in this way, not and limit can be played the role of, it can also prevent in plug A possibility that core 1-3 installation direction is anti-, prevents maloperation, after installing, allow plug inner core 1-3 in inner core jack 1-11 more Add stabilization, will not be subjected to displacement, wherein the shielding contact chip 1-20 of the lower end plug shield shell 1-2 more disperses, it can be ensured that screen The good contact for covering contact chip 1-20 and mounting base 1-8, will not generate poor contact and influence shielded signal, and plug of the present invention The dovetail groove 1-10 depth of shell 1-1 inner wall is more deepened, so as to the sealing ring allowed in the power outlet being used cooperatively with it 2-11 is more thick and solid, provides condition for enhancing sealing effect, plug casing 1-1 and Socket casing 2-1 jack of the present invention Excessive for circular arc at stringcourse, reduction sealing ring 2-11 unevenly causes leakproofness poor because stretching in this way, and present apparatus sealing effect is more Good, in the different plug-in unit of multiple specifications, the spacing between mistake proofing key 1-16 and mistake proofing sliding slot 2-16 is different, same In the scene used, the plug-in unit of multiple and different specifications together in use, the plug-assembly 1 and jack assemblies 2 of each model because Different key mapping combinations, playing prevents the case where being mutually inserted dislocation, guarantees that each pair of plug-assembly 1 and jack assemblies 2 can contracts It closes to connecting.

2, the high-tension connector power outlet contacts mounting with female terminal 2-4 by crimp head, has certain tension energy Power, then sealing ring 2-11 is set on the outside of jack shield shell 2-2, and the grommet 2-10 is connect with the lower end Socket casing 2-1 And compress external shield ring 2-9, it then threads lid 2-7 and Socket casing 2-1 lower end outer wall is clamped, and grommet 2-10 is pressed Tightly, the damping effect of 2 internal structure of jack assemblies is first improved, second makes electric wire too quickly by pulling force, there is certain resist Drawing effect, guarantees the stability of electrical connection.

3, the secondary lock of high-tension connector arc protection will first be inserted when mutually plugging together plug-assembly 1 and jack assemblies 2 In elongated slot 3-6 on 3 insertion slot board 3-5 of seat lock, and the slidable connection in elongated slot 3-6, then plug-assembly 1 is inserted into In jack assemblies 2, when the primary lock 3-1 on plug casing 1-1 crosses the positive stop hook 3-40 of pressing plate lower end, male end at this time Sub- 1-5 is inserted into female terminal 2-4 and contact, but is not powered mutually, then further toward interpolation plug-assembly 1, when secondary Lock 3-2 is moved to when contacting with 32 end face of wedge block, is interlocked in male terminal 2-5 insertion interlocking female terminal 1-4 at this time, interlocking is public The connection of terminal 2-5 and interlocking female terminal 1-4, are equivalent to the power-on switch of male terminal 1-5 Yu female terminal 2-4, then will insert again Seat lock 3 pushes away inside, so that socket latches the sliding block 31 of 3 lower ends under the guiding role of elongated slot 3-6, moves to and is limited cross bar 3-7 is blocked, and in the process, the latch hook 33 that socket latches 3 front ends successively crosses wedge block 32 and secondary lock 3-2 arrival is secondary The side for latching 3-2, realizes the locking of plug-assembly 1 and jack assemblies 2, latches 3 for plug-assembly 1 and socket by socket Component 2 is locked, and ensure that the stability and safety of connection, while plug together male terminal 1-5 and female terminal 2-4 first, then be powered, It avoids and electric arc is avoided to generate.

When plug-assembly 1 and jack assemblies 2 are mutually unpluged, with above on the contrary, first pressing socket lock 3 end, The latch hook 33 that socket latches 3 front ends at this time tilts, and then by pressing force, drawing socket latches 3 outward, so that latch hook 33 is successively got over Secondary lock 3-2 and wedge block 32 are crossed, the side of wedge block 32 is reached, socket lock 3 releases the lock to secondary lock 3-2 at this time Only, then plug head assembly 1 outward, the primary lock 3-1 on plug casing 1-1 move to the positive stop hook 3- with pressing plate lower end When 40 contact, male terminal 2-5 is interlocked at this time and is extracted from interlocking female terminal 1-4, is equivalent to male terminal 1-5's and female terminal 2-4 Power-on switch disconnects, and then presses side of the pressing plate far from positive stop hook 3-40, so that plug-assembly 1 is extracted, realize elder generation Power-off, then unplugs again male terminal 1-5 and female terminal 2-4, avoids and electric arc is avoided to generate, plug-assembly 1 and jack assemblies 2 Phase plug matches with locking and unlocking movement, ensure that power-off plug, electric arc is avoided to generate.

What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention Protection scope.

Claims

1. a kind of high-tension connector, including plug-assembly (1), jack assemblies (2) and socket lock (3), it is characterised in that: described Plug-assembly (1) includes plug casing (1-1), plug shield shell (1-2) and plug inner core (1-3), the plug casing (1-1) Be that circular arc is excessive at the stringcourse of the jack of Socket casing (2-1), the bottom of the plug casing (1-1) is equipped with mounting base (1-8), sets that there are two primary lock (3-1) and a secondary lock (3-2), institutes on the upper surface of the plug casing (1-1) State plug casing (1-1) lower end surface be equipped with several mistake proofing keys (1-16), the jack assemblies (2) by Socket casing (2-1), Jack shield shell (2-2), socket inner core (2-3), female terminal (2-4), interlocking male terminal (2-5), socket lid (2-6), threading Lid (2-7), inner shield ring (2-8), external shield ring (2-9), grommet (2-10) and sealing ring (2-11) composition, it is described two Inside plug inner core (1-3), the interlocking female terminal (1-4) is located at two for male terminal (1-5) and interlocking female terminal (1-4) setting A male terminal (1-5) is intermediate, and the inner wall of the plug casing (1-1) is equipped with the dovetail groove (1-10) of annular, the jack shell The bottom end of body (1-1) is equipped with inside inner core jack (1-11) and two are drawn hopper (1-12), and the plug casing (1-1) is inserted It is equipped with several reinforcing ribs (1-13) between hole and inner core jack (1-11), the upper end Kong Chu that enters of the inner core jack (1-11) is equipped with One mistake proofing groove (1-14), lower end are set there are two mistake proofing groove (1-14), the two sides inner wall of the inner core jack (1-11) It is equipped with symmetrical positioning groove (1-15), the outside drawn hopper (1-12) and be located at positioning groove (1-15), the plug The lower end of shielding case (1-2) is equipped with several shielding contact chips (1-20), and the two sidewalls two sides of the plug shield shell (1-2) are symmetrical Equipped with bit-avoiding slot (1-21), the upper surface of the plug shield shell (1-2) is equipped with a bit-avoiding slot, and lower end surface sets that there are two keep away Position slot (1-21), the plug shield shell (1-2) are wrapped in the outside of plug inner core (1-3), and the two of the plug inner core (1-3) Side is symmetrically arranged with triangle card (1-30), and the triangle card (1-30) passes through bit-avoiding slot (1-21) and positioning groove (1-15) phase Mutually clamping, the upper surface of the plug inner core (1-3) are equipped with a mistake proofing convex block (1-31), set that there are two anti-at lower end surface Wrong convex block (1-31), the mistake proofing convex block (1-31) and mistake proofing groove (1-14) match, and the socket inner core (2-3) is equipped with Barb one (2-30), the jack shield shell (2-2) and socket inner core (2-3) outer wall are clamped by barb one (2-30), described It is equipped with catching groove (2-10) inside Socket casing (2-1), the socket inner core (2-3) that outer wall has been clamped jack shield shell (2-2) is logical Snapping on the inside of barb one (2-30) and catching groove (2-10) is crossed, female terminal (2-4) side is symmetrically arranged with elastic slice (2-40), and two A female terminal (2-4) is sticked in socket inner core (2-3) inside by elastic slice (2-40) grafting, and the interlocking male terminal (2-5) is inserted It is connected to socket inner core (2-3) inside middle, the sealing ring (2-11) is set on the outside of jack shield shell (2-2), the socket Lid (2-6) inner sidewall is equipped with barb two (2-60), and socket lid (2-6) passes through barb two (2-60) and catching groove (2-10) Snapping；Inner shield ring (2-8) inlay card is internal in external shield ring (2-9), is then inserted into together from the Socket casing lower end (2-1) And it is connected to Socket casing (2-1) inside, the grommet (2-10) connect with the lower end Socket casing (2-1), then threading lid Sub (2-7) and Socket casing (2-1) lower end outer wall are clamped, and grommet (2-10) is compressed, and are set on the Socket casing (2-1) There are lock shell (3-3) and several mistake proofing sliding slots (2-16), the lock shell (3-3) is equipped with pressing version (3-4), the socket shell On body (2-1), it is equipped with slot board (3-5) inside lock shell (3-3), the slot board (3-5) is equipped with elongated slot (3-6), and Elongated slot (3-6) middle upper part is equipped with limit cross bar (3-7), and the socket lock (3) lower end is equipped with plate (30), the plate (30) lower end is equipped with sliding block (31), and sliding block (31) can slide in elongated slot (3-6), and plate (30) upper end is equipped with wedge block (32), plate (30) front end is equipped with latch hook (33), and the socket lock (3) is slidably connected with slot board (3-5), the plug group When part (1) is inserted into jack assemblies (2), the mistake proofing key (1-16) can first agree in mistake proofing sliding slot (2-16), and described one Secondary lock (3-1) and secondary lock (3-2) setting are in lock shell (3-3), the plug-assembly (1) and jack assemblies (2) after plugging together, male terminal (1-5) is inserted into female terminal (2-4), interlocking male terminal (2-5) insertion interlocking female terminal (1-4), institute It states sealing ring (2-11) to be located in the dovetail groove (1-10) of annular, the plug shield shell (1-2) and jack shield shell (2-2) phase It is electrically connected.

2. a kind of high-tension connector according to claim 1, it is characterised in that: set in the bottom surface of the mounting base (1-8) Have annular groove (1-80), the outside inner wall of the annular groove (1-80) is equipped with several triangle convexs (1-81), the ring It is equipped with gasket (1-6) in connected in star (1-80), the triangle convex (1-81) resists gasket (1-6).

3. a kind of high-tension connector according to claim 1, it is characterised in that: the four corners of the mounting base (1-8) are set Have counter sink (1-82), is equipped with crimp rings (1-7) in the counter sink (1-82).

4. a kind of high-tension connector according to claim 1, it is characterised in that: set on pressing version (3-4) lower end surface There is positive stop hook (3-40).

5. a kind of high-tension connector according to claim 1, it is characterised in that: several mistake proofing keys (1-16) and mistake proofing Sliding slot (2-16) is mutually matched clamping, equipped with spacing between the multiple mistake proofing key (1-16) and mistake proofing sliding slot (2-16), and away from It is changeable from as needed, according to the difference of spacing, product can be resolved into the plug-assembly (1) of several set difference key mapping combinations With jack assemblies (2), and the plug-assembly (1) of different key mapping combination and jack assemblies (2) are unable to interfix.