CN103779719A

CN103779719A - Female joint connector

Info

Publication number: CN103779719A
Application number: CN201210418727.2A
Authority: CN
Inventors: 朱晖; 何玉峰
Original assignee: GRANTECH ELECTRONICS TECHNOLOGY (KUNSHAN) Co Ltd
Current assignee: GRANTECH ELECTRONICS TECHNOLOGY (KUNSHAN) Co Ltd
Priority date: 2012-10-25
Filing date: 2012-10-25
Publication date: 2014-05-07

Abstract

A female-joint connector comprises the following components: a female joint body, and a female joint terminal which extends into the female joint body. The female joint body comprises a butt-joint hole which is matched with the plugging part of a butt-jointed male-joint connector. The female-joint terminal comprises a contact end which is used for contacting with the male-joint connector, and a fixed end which is used for connecting with a lead. One end of the female joint body, which is next to the fixed end, is provided with an outer housing for passing-through of the lead, a wire sealing plug and a wire locking nut. The part of the outer housing, the part of the wire sealing plug and the part of the wire locking nut which are matched with one another, are jointed closely and form a sealing structure for fixing the lead. According to the arrangement, high sealing performance of the female-joint connector can be ensured.

Description

Female connector

Technical field

The present invention relates to a kind of female connector that is applied to new energy field.

Background technology

Connector in new energy field is very high to water proof and dust proof performance requirement, just can make inner cable or terminal avoid being subject to the impact of steam, guarantees normal electric property.Then,, because connector inner member quantity is more, easily there is each other gap, the sealing effectiveness that is difficult to realize ideal.

So, be necessary to design new connector, to solve the problems of the technologies described above.

Summary of the invention

The object of the present invention is to provide a kind of female connector that improves sealing effectiveness that has.

For realizing aforementioned object, the present invention adopts following technical scheme: a kind of female connector, it comprises female body, extend into the intrinsic female terminal of female, described female body comprises the butt hole coordinating with docking Male head connector Plug Division, described female terminal comprise for the contact jaw of male termination contact and the stiff end for being connected with wire, female body is being provided with the shell body passing for wire near one end of stiff end, envelope line plug and locking wire nut, shell body, the position that envelope line plug and locking wire nut cooperatively interact fits tightly sealing and forms a hermetically-sealed construction for fixing cord.

As further improved technical scheme of the present invention, envelope line plug is arranged in shell body.

As further improved technical scheme of the present invention, the pressure contact portion that shell body one end is provided with lock-joining part and protrudes out backward from lock-joining part, the diameter of lock-joining part is greater than the diameter of pressure contact portion, and locking wire nut is fixed on lock-joining part.

As further improved technical scheme of the present invention, lock-joining part has external screw thread, and locking wire nut has cap portion and protrudes out the locking wire portion of formation from cap portion, and locking wire portion has the internal thread of locking mutually with lock-joining part external screw thread.

As further improved technical scheme of the present invention, lock-joining part is towards extending to form some spaced elastic strips away from the direction of female terminal, and elastic strip entirety becomes circular, and envelope line plug is positioned at elastic strip and is coated and compresses by elastic strip.

The present invention passes through at one end of female body mounting casing body, envelope line plug and locking wire nut, shell body, envelope line plug and locking wire nut entirety form a hermetically-sealed construction, can effectively fix wire, and improve the sealing effectiveness of female connector, guarantee the serviceability of product.

Accompanying drawing explanation

Fig. 1 is the three-dimensional combination figure of Male head connector.

Fig. 2 is the end view of Male head connector.

Fig. 3 is the front view of Male head connector.

Fig. 4 is the rearview of Male head connector.

Fig. 5 is the three-dimensional exploded view of Male head connector.

Fig. 6 is the three-dimensional combination figure of female connector.

Fig. 7 is the end view of female connector.

Fig. 8 is the front view of female connector.

Fig. 9 is the three-dimensional exploded view of female connector.

Embodiment

Refer to shown in Fig. 1 to Fig. 9, electric connector combination 100 comprises the plate end Male head connector 100 and the line end female connector 200 that cooperatively interact, in order to transmit power supply signal.Described Male head connector 100 comprises the male body 1 of being made up of insulating material, some male terminals 2, positioning body 3, snap close piece 4, radial seal 5, plastic washers 6, six-sided nut 7 and circular bolt 8.

Refer to shown in Fig. 1 to Fig. 5, male body 1 comprises the tight lock part 12 that is positioned at the Plug Division 11 of front end, the main part 13 that is positioned at rear end and connection Plug Division 11 and main part 13.The radial width of Plug Division 11 is less than tight lock part 12, and the cross section of Plug Division 11 is roughly triangle, and these leg-of-mutton three angles are fillet.

Plug Division 11 comprises three spliced eyes 112, the center of circle of these three spliced eyes 112 is distributed in three summits place of isosceles triangle, the outer surface of 11 rear ends, Plug Division is concaved with the location depression 115 of accommodating radial seal 5, and the shape of this location depression 115 is identical with the shape of Plug Division 11.The front end of Plug Division 11 relatively, location depression 115 is more close to tight lock part 12 and separates with tight lock part 12 front and back, and radial seal 5 also protrudes out the outer surface that exceedes Plug Division 11 laterally.

Tight lock part 12 is cylindrical, and outer surface is concaved with the external screw thread 120 of locking with nut 7.Nut 7 inner surfaces are provided with the internal thread 70 combining with external screw thread 120.Tight lock part 12 front end faces are concaved with an axial hole 121 backward, and these axial hole 121 rear ends extend to laterally tight lock part 12 outer surfaces and are formed with connection holes 122.

Main part 13 front ends protrude out the flange 131 that radial width is greater than tight lock part 12 laterally, and flange 131 is adjacent to tight lock part 12.Plastic washers 6 is set in backward on tight lock part 12 and is clamped between flange 131 and nut 7, makes to realize between plastic washers 6, nut 7 and flange 131 sealing.

The accommodation hole 135 connecting before and after main part 13 is provided with, tight lock part 12 run through before and after being provided with spliced eye 112 and accommodation hole 135 connect through via hole, the rear end of accommodation hole 135 lateral walls is concaved with three breach 136 that connect with accommodation hole 135.

Positioning body 3 is to be assembled in forward in the accommodation hole 135 of male body 1 main part 13, positioning body 3 run through before and after being provided with and with male body 1 spliced eye 112 fixing hole 32 one to one, the rear side of positioning body 3 is concaved with the recess 36 mutually aliging with main part 13 breach 136.The outside of main part 13 is provided with some holding holes 138, and positioning body 3 convexes with the some blocked blocks 38. that hold mutually with holding hole 138

Male terminal 2 is three, in order to be connected with zero line, live wire and ground wire in power lead, male terminal 2 entirety are contained in header body 1 and positioning body 3, each male terminal 2 comprises the connecting portion 23 that cylindrical contact site 22 that fixed part 21, self-retaining portion 21 extend forward and self-retaining portion 21 extend back, fixed part 21 be fixed on header body 1 tight lock part 12 in via hole.Contact site 22 extends forwardly in the spliced eye 112 of Plug Division 11, for contacting with female connector 100.

Connecting portion 23 is fixed in the fixing hole 32 of positioning body 3, connecting portion 23 rear ends are provided with to accommodate the connecting hole 230 of wire, lateral surface is concaved with the lockhole 232 of locking mutually with

bolt

8,8 can make bolt 8 compress to the inside wire by tighting a bolt, guarantee the connection reliability between wire and connecting portion 23, avoid wire to depart from connecting portion 23.The medial extremity that positioning body 3 also has 35, three extension boards 35 of three extension boards that extend back is connected together, and makes three extension boards 35 form one " people " font, so that zero line, live wire and ground wire are kept apart mutually.

Bolt 8 comprises screw 81 and is positioned at the nut 82 on screw 81 tops, screw 81 is fixed in lockhole 232, nut 82 is exposed to the outside of male terminal 2 and is positioned at positioning body 3 recesses 36, because recess 36 aligns mutually with the breach 136 of main part 13, in the time that bolt 8 moves laterally, can enter in breach 136, thereby facilitate wire and male terminal 2 fix or remove fixing.

Snap close piece 4 is elastic cantilever girder construction, and it comprises the fixed arm 42 that lock arm 41 and self-locking arm 41 extend back, and lock arm 41 front ends have the clamping block 410 upwards protruding out, and fixed arm 41 rear ends have the fixed block 420 upwards protruding out.Clamping block 410 tops are provided with backward and upwardly extending inclined-plane, and fixed block 420 tops are provided with forward and upwardly extending inclined-plane, and lock arm 41 is symmetrical arranged with fixed arm 42 front and back.

Fixed arm 42 is plugged in the axial hole 121 of male body 1 backward, makes fixed block 420 snap closes in connection holes 122, stops fixed arm 42 to move forward and backward, the unsettled outside in male body 1 Plug Division 11 of lock arm 41 and being parallel to each other with Plug Division 11.Lock arm 41, take the middle part of snap close piece 4 as fulcrum, can be offset up and down.

Refer to shown in Fig. 6 to Fig. 9, female connector 200 comprises female body 91, female terminal 92, fixed body 93, shell body 94, envelope line plug 95, locking wire nut 96, circular bolt 97, sealing ring 98.

Female body 91 front ends have three docking posts 912 that are contained in the butt hole 911 of Male head connector 10 Plug Divisions 11 and are positioned at butt hole 911, before and after docking post 912 has, run through the accepting hole 913 for accommodating female terminal 92, the profile of the madial wall of butt hole 911 is identical with the profile of the lateral surface of Plug Division 11.

Female terminal 92 has the cylindric contact jaw 922 extending forwardly in accepting hole 913 and extends back and be fixed on the stiff end 923 on fixed body 93 from contact jaw 922, stiff end 923 rear ends are provided with to accommodate the connecting hole 924 of wire, lateral surface is concaved with the lockhole (not shown) of locking mutually with bolt 97, lockhole and connecting hole 924 connect, 97 can make bolt 97 compress to the inside wire by tighting a bolt, wire and female terminal 92 are linked together reliably.

Female body 91 rear ends are concaved with the conduit 918 of accommodating sealing ring 98 near the position of fixed body 93, the sidewall front end of butt hole 911 is concaved with the matching hole 915 aliging with Male head connector 100 axial hole 121 front and back and the bonnet lock hole 916 that extends to laterally female body 91 outer surfaces from matching hole 915 rear ends backward.

Fixed body 93 is fixed on the rear end of female body 91, and the structure of the positioning body 3 of its structure and Male head connector 100 is basic identical, does not repeat them here.

Shell body 94 is hollow structure, and shell body 94 has pre-and post perforative receiving space 940, and shell body 94 is set in forward the outside of female body 91 rear ends and fixed body 93, and female body 91 rear ends and fixed body 93 are contained in this receiving space 940.

Sealing ring 98 protrudes out laterally and exceedes the outer surface of female body 91 and be mutually pressed together with the madial wall of shell body 94 receiving spaces 940, guarantees to realize effective sealing between shell body 94 and female body 91.

Female body 91 is provided with fixture block 917, and shell body 94 has the hole clipping 945 with fixture block 917 phase buckles, and shell body 94 can be closely fixed on female body 91.

Shell body 94 has the lock-joining part 946 extending back and the pressure contact portion 947 protruding out backward from lock-joining part 946, and lock-joining part 946 is respectively cylindric with pressure contact portion 947, and the diameter of lock-joining part 946 is greater than the diameter of pressure contact portion 947.Pressure contact portion 947 is decomposed into the spaced some elastic strips 948 that extend back from lock-joining part 946, and lock-joining part 946 has external screw thread.

Envelope line plug 95 is cylindric, it connects the through hole 950 for passing for wire before and after having, envelope line plug 95 is contained in pressure contact portion 947, before and after having, locking wire nut 96 runs through the perforation 960 of passing for wire, the locking wire portion 962 that locking wire nut 96 has cap portion 961 and protrudes out forward from cap portion 961, the diameter of cap portion 961 is less than the diameter of locking wire portion 962, and cap portion 961 and locking wire portion 962 are run through in perforation 960 front and back.

Locking wire portion 962 has the internal thread of locking mutually with lock-joining part 946 external screw threads, cap portion 961 is positioned at pressure contact portion 947 rears and limits envelope line plug 95 and move backward, in locking wire portion 962 and lock-joining part 946 locking processes, locking wire portion 962 radial inward promote elastic strip 948 and compress envelope line plug 95, and envelope line plug 95 further compresses wire, thereby sealing is realized in the position that wire, envelope line plug 95, shell body 94 and locking wire nut 96 are connected, and prevents that moisture and the foreign matter etc. of female connector 200 outsides from entering female connector 200 inside.

Refer to shown in Fig. 1 to Fig. 9, in the time that Male head connector 100 docks with female connector 200, the Plug Division 11 of Male head connector 100 is plugged in forward in the butt hole 911 of female connector 200, and radial seal 5 presses together with the madial wall of butt hole 911, realizes good sealing effectiveness.

The docking post 912 of female connector 200 is plugged in the spliced eye 112 of Male head connector 100, the contact site 22 of Male head connector 100 male terminals 2 inserts in the contact jaw 922 of female connector 200 female terminals 92 simultaneously, makes machinery and in electrical contact between male terminal 2 and female terminal 92.

The lock arm 41 of Male head connector 100 snap close pieces 4 inserts in the process of matching hole 915 of female connector 200 and is compressed downwards, until clamping block 410 is upwards offset and is snapped in the bonnet lock hole 916 of female body 91, restriction female body 91 moves forward and backward, thereby make Male head connector 100 together with female connector 200 closed butt joints, guarantee the reliability of the power delivery between Male head connector 100 and female connector 200.

Although be example object, the preferred embodiment of the present invention is disclosed, but those of ordinary skill in the art will recognize, in the situation that not departing from by the disclosed scope and spirit of the present invention of appending claims, various improvement, increase and replacement are possible.

Claims

1. a female connector (200), it comprises female body (91), extend into the female terminal (92) in female body (91), described female body (91) comprises the butt hole (911) coordinating with docking Male head connector (100) Plug Division (11), described female terminal (92) comprise for the contact jaw (922) of male terminal (2) contact and the stiff end (923) for being connected with wire, it is characterized in that: female body is being provided with the shell body (94) passing for wire near one end of stiff end (923), envelope line plug (95) and locking wire nut (96), shell body (94), envelope line plug (95) and the position that cooperatively interacts of locking wire nut (96) fit tightly and form a hermetically-sealed construction for fixing cord.

2. female connector according to claim 1, is characterized in that: envelope line plug (95) is arranged in shell body (94).

3. female connector according to claim 2, it is characterized in that: the pressure contact portion (947) that shell body (94) one end is provided with lock-joining part (946) and protrudes out backward from lock-joining part, the diameter of lock-joining part is greater than the diameter of pressure contact portion, and locking wire nut (96) is fixed on lock-joining part.

4. female connector according to claim 3, it is characterized in that: lock-joining part (946) has external screw thread, locking wire nut has cap portion (961) and protrudes out the locking wire portion (962) of formation from cap portion, and locking wire portion has the internal thread of locking mutually with lock-joining part (946) external screw thread.

5. female connector according to claim 3, it is characterized in that: lock-joining part (946) is towards extending to form some spaced elastic strips (948) away from the direction of female terminal (92), elastic strip (948) entirety becomes circular, and envelope line plug (95) is positioned at elastic strip (948) by the coated compression of elastic strip.