CN209963337U

CN209963337U - Double-row puncture type terminal connector

Info

Publication number: CN209963337U
Application number: CN201920645127.7U
Authority: CN
Inventors: 朱锋
Original assignee: DONGGUAN HONGRU CONNECTORS Co Ltd
Current assignee: DONGGUAN HONGRU CONNECTORS Co Ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-01-17
Anticipated expiration: 2029-05-07

Abstract

The utility model relates to the technical field of electric connectors, in particular to a double-row puncture type terminal connector; the wire end connector comprises a wire end rubber shell, a cover and a male terminal, and the male terminal is provided with a puncturing part; the line end rubber shell is provided with a guide groove, a pre-pressing lock groove, a pressing lock groove and a non-advancing beam positioned in the guide groove, and the pressing lock groove is positioned between the pre-pressing lock groove and the non-advancing beam; the cover is provided with a guide post and a first locking hook; the guide post is stopped by the non-advancing beam, the first lock hook protrudes into the pre-pressing lock groove, and the rubber shell of the wire end and the cover are pre-assembled; the guide post breaks the stop beam, the first lock hook protrudes into the compaction lock groove, the wire end rubber shell is completely assembled with the cover, and the puncture part punctures the insulation layer of the cable accommodated in the wire accommodating hole of the cover; the utility model discloses a terminal connector prevents that lid and line end glue the shell and close tightly or part and cause pencil firm to use trouble in the transportation, and the packing of the terminal connector of being convenient for, the cable of being convenient for are led and are connect, the automatic equipment of being convenient for, reduce equipment cost low, promote production efficiency.

Description

Double-row puncture type terminal connector

Technical Field

The utility model relates to an electric connector technical field especially discloses a double puncture type terminal connector.

Background

The existing cable connectors must be packaged in a tray to prevent the cable connectors from being inserted normally in the subsequent process due to the tight combination of the cover shell and the rubber shell caused by the collision among the cable connectors, so that the packaging cost of the cable connectors is greatly increased. When the existing cable connector is connected with a lead, the pressed external lead needs to be installed in the plastic shell in a manual assembly mode, and the method has various defects, for example, the manual assembly is easy to make mistakes, and the electricity utilization accidents of electric appliances can be caused; in addition, the manual production efficiency is low, and a large amount of manpower and material resources are wasted during the large-scale production.

SUMMERY OF THE UTILITY MODEL

In order to overcome the shortcoming and the deficiency that exist among the prior art, the utility model aims to provide a double puncture type terminal connector, terminal connector prevent that lid and line terminal glue the shell and close tightly or separately and cause pencil firm to use trouble in the transportation, the packing of the terminal connector of being convenient for, the cable of being convenient for lead and connect, the automatic equipment of being convenient for, reduce the equipment cost low, promote production efficiency.

In order to achieve the above object, the utility model discloses a double puncture type terminal connector, including the line end connector, the line end connector has line terminal rubber shell, with line terminal rubber shell cartridge complex lid, set up in the public terminal of line terminal rubber shell, the public terminal has puncture portion, the lid has holds line hole and holds the accommodation hole that the line hole communicates with, hold the line hole and be used for holding and establish external cable, puncture portion is used for puncturing the insulating layer of the cable in holding the line hole via the accommodation hole, so that public terminal and cable switch on; the line end rubber shell is provided with a guide groove, a pre-pressing lock groove and a pressing lock groove which are communicated with the guide groove, and a non-advancing beam positioned in the guide groove, wherein the pressing lock groove is positioned between the pre-pressing lock groove and the non-advancing beam; the cover is provided with a guide post and a first lock hook arranged on the guide post, and the guide groove is used for accommodating the guide post; the free end of the guide pillar is blocked by the non-advancing beam, and the first locking hook protrudes into the pre-pressing locking groove, so that the wire end rubber shell and the cover are preassembled together; the guide post breaks the stop beam, the first lock hook protrudes into the pressing lock groove, so that the wire end rubber shell and the cover are assembled together, and the puncture part punctures the insulating layer of the cable accommodated in the wire accommodating hole.

The stop beam stops the free end of the guide column, and the first lock hook protrudes into the pre-pressing lock groove, so that the wire end rubber shell and the cover are preassembled together; the guide pillar breaks the stop beam, the first lock hook protrudes into the compaction lock groove, the second lock hook protrudes into the pre-compaction lock groove, so that the wire end rubber shell and the cover are assembled together, and the puncture part punctures the insulating layer of the cable accommodated in the wire accommodating hole; the matching lock hook is positioned at the free end of the guide pillar and used for buckling the plate end connector which is in conduction fit with the wire end connector.

The advance beam is provided with a pre-fracture, the pre-fracture is positioned in the middle of the advance beam, and the pre-fracture is convenient for the guide pillar to break the advance beam; the free end of the guide pillar is blocked by the stop-in beam, and when the first lock hook protrudes into the pre-pressing lock groove, the pre-breaking opening is positioned on one side of the stop-in beam, which is far away from the guide pillar; the width of one end of the guide groove is larger than that of the guide pillar, and after the guide pillar breaks the stop-advance beam, the broken stop-advance beam is positioned between the groove wall of one end of the guide groove and the guide pillar; the lid has the unblock button that sets up in the guide pillar, presses the unblock button and makes the guide pillar take place elastic deformation and then make the cooperation locking hook release board end connector.

The number of the guide columns and the number of the guide grooves are two, the two guide columns are respectively inserted into the two guide grooves, the two guide columns are respectively positioned on two sides of the cover, and the two guide grooves are respectively positioned at two ends of the wire end rubber shell; the male terminal is provided with a male end base part and a male end head part connected with the male end base part, the male end head part is used for connecting a terminal of the board end connector, the two puncture parts are connected with the male end base part, the two puncture parts are positioned on the same side of the male end base part, a wiring groove for accommodating a cable is formed between the two puncture parts, and one side, close to each other, of the two puncture parts is used for puncturing an insulating layer of the cable; the male end base part is provided with an arc-shaped groove positioned between the two puncture parts, and arc-shaped groove walls at two ends of the arc-shaped groove are respectively connected with the side surfaces of the two puncture parts close to one side.

The male end base part is provided with a male end stop position and a male end stop hook, the line end rubber shell is provided with a male end jack and a male end stop position groove communicated with the male end jack, the male end jack is used for accommodating the head part of the male end, the groove wall of the male end stop position groove is used for stopping the male end stop position so as to prevent the male terminal from being excessively inserted into the line end rubber shell, and the male end stop hook protrudes into the line end rubber shell so as to prevent the male terminal from being withdrawn from the line end rubber shell; the male terminal is provided with a blade part connected with the puncture part, the blade part is used for puncturing the insulation layer of the cable, and the width of one end, close to the puncture part, of the blade part is smaller than the width of one end, far away from the puncture part, of the blade part.

The central axis of the male end head and the central axis of the male end base are arranged in parallel at intervals, the two puncture parts are symmetrically arranged relative to the central axis of the male end base, and the central axes of the puncture parts and the central axis of the male end head are arranged in parallel at intervals; the number of the male terminals is multiple, all the male terminals are arranged into two male end rows, each male end row is provided with a plurality of male terminals, the head parts of the male ends of the two male end rows are symmetrically arranged relative to the central axis of the line end rubber shell, and the puncture parts of the two male end rows are arranged in a staggered manner relative to the central axis of the line end rubber shell.

Wherein, still including being used for with the line end connector complex plate end connector of pegging graft, the plate end connector has female end and glues the shell and set up in the female terminal that female end glued the shell, female terminal includes female end basal portion, weld part and the elastic contact portion of being connected with female end basal portion, elastic contact portion is used for the contact to switch on public terminal, female end weld part is used for welding to external circuit board, the quantity of elastic contact portion is two, it is used for holding the space of stepping down of establishing public terminal to have between two elastic contact portions, the width that the space of stepping down is close to female end basal portion one end is greater than the width that the space of stepping down kept away from female end basal portion one end.

The welding part is provided with a female end carry-stopping part, the base part of the female end is provided with a female end carry-stopping hook, the lower end of the female end rubber shell is used for stopping and abutting against the female end carry-stopping part so as to prevent the female terminal from being excessively inserted, and the female end carry-stopping hook protrudes into the female end rubber shell so as to prevent the female terminal from being withdrawn from the female end rubber shell; the two ends of the female end rubber shell are provided with reinforcing welding feet welded to an external circuit board, the reinforcing welding feet are provided with limiting holes, and the female end rubber shell is provided with limiting bosses protruding into the limiting holes.

The reinforcing welding foot is provided with a reinforcing stopping hook, the reinforcing stopping hook extends into the female end rubber shell along the length direction of the female end rubber shell to prevent the reinforcing welding foot from withdrawing from the female end rubber shell, and the hole wall of the limiting hole is stopped and abutted against the limiting boss to prevent the reinforcing welding foot from moving up and down relative to the female end rubber shell.

The two ends of the female end rubber shell are respectively provided with a positioning column, and the external circuit board is provided with a positioning hole for accommodating the positioning column; two ends of the female end rubber shell are respectively provided with a lock hole.

Has the advantages that: when the line end connector needs to be transported, the end face of the free end of the guide column is blocked by the stop-in beam, the first lock hook protrudes into the pre-pressing lock groove, the line end rubber shell and the cover are pre-assembled, the first lock hook is blocked by utilizing the abutting of the groove wall of the pre-pressing lock groove, and the cover and the line end rubber shell are prevented from being tightly combined or separated due to collision between the line end connectors; when the cable needs to be connected in a guiding mode, the external cable is arranged in the cable accommodating hole, external pressure is applied to the cover or the cable end rubber shell, the cover and the cable end rubber shell move relatively, the guide pillar breaks the stop beam, the first lock hook moves out of the pre-pressing lock groove and protrudes into the pressing lock groove, the cable end rubber shell and the cover are completely assembled, in the process that the cable end rubber shell and the cover move relatively, the puncture part punctures an insulating layer of the cable accommodated in the cable accommodating hole of the cover, and therefore the male terminal is in conductive contact with the cable; the utility model discloses a terminal connector prevents that lid and line end glue the shell and close tightly or part and cause pencil firm to use trouble in the transportation, and the packing of the terminal connector of being convenient for, the cable of being convenient for are led and are connect, the automatic equipment of being convenient for, reduce equipment cost low, promote production efficiency.

Drawings

Fig. 1 is a perspective view of the cable, the terminal connector, the board terminal connector and the circuit board of the present invention.

Fig. 2 is a perspective view of the line end rubber shell of the present invention.

Fig. 3 is a left side view of the line end rubber casing of the present invention.

Fig. 4 is a perspective view of the cap of the present invention.

Fig. 5 is a front view of the male terminal of the present invention.

Fig. 6 is a partially enlarged view of a portion a in fig. 4.

Fig. 7 is an exploded view of the plate end connector of the present invention.

Fig. 8 is a left side view of the female end rubber shell of the present invention.

Fig. 9 is a front view of the female terminal of the present invention.

Fig. 10 is a perspective view of the reinforcement fillet of the present invention.

The reference numerals include:

1-end rubber shell 2-cover 3-male terminal

4-piercing part 5-wire accommodating hole 6-accommodating hole

7-guide groove 8-prepressing locked groove 9-pressing locked groove

11-stop beam 12-guide post 13-first lock hook

14-second locking hook 15-matching locking hook 16-pre-fracture

17-unlocking button 18-anti-skid projection 19-male end base

21-male end head 22-wiring groove 23-arc groove

24-male end stop 25-male end stop hook 26-blade part

27-female end rubber shell 28-female terminal 29-female end base

31-welding part 32-elastic contact part 33-relief space

34-female end carry stop 35-female end stop hook 36-reinforcing welding leg

37-limiting hole 38-limiting boss 39-reinforcing backstop hook

41-positioning column 42-lock hole 101-cable

102-circuit board.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.

Referring to fig. 1 to 6, the double row piercing type terminal connector of the present invention includes a line end connector, the line end connector has a line end rubber shell 1, a cover 2 inserted and matched with the line end rubber shell 1, and a male terminal 3 disposed on the line end rubber shell 1, the line end rubber shell 1 and the cover 2 are both made of insulating plastic, preferably, the line end rubber shell 1 and the cover 2 are respectively injection molded by an injection mold.

The male terminal 3 is provided with a puncture part 4, the puncture part 4 is located at the upper end of the male terminal 3, the cover 2 is provided with a wire accommodating hole 5 and an accommodating hole 6 communicated with the wire accommodating hole 5, the central axis of the wire accommodating hole 5 is perpendicular to the central axis of the accommodating hole 6, the wire accommodating hole 5 is used for accommodating an external cable 101, and the puncture part 4 is used for puncturing the insulating layer of the cable 101 in the wire accommodating hole 5 through the accommodating hole 6, so that the male terminal 3 is in contact conduction with the conductor of the cable 101.

The terminal rubber shell 1 is provided with a guide groove 7, a pre-pressing locking groove 8 communicated with the guide groove 7, a pressing locking groove 9 and a non-advancing beam 11 positioned in the guide groove 7, the pre-pressing locking groove 8 and the pressing locking groove 9 are formed by concavely arranging the inner side wall of the guide groove 7, and the pressing locking groove 9 is positioned between the pre-pressing locking groove 8 and the non-advancing beam 11.

The cover 2 has a guide post 12 and a first locking hook 13 provided on the guide post 12, the first locking hook 13 is formed by protruding from the outer side surface of the guide post 12, and the guide groove 7 is used for accommodating the guide post 12.

When the terminal connector needs to be transported, the end face of the free end of the guide pillar 12 is stopped by the stop-advance beam 11, the first lock hook 13 protrudes into the pre-pressing lock groove 8, the groove wall of the pre-pressing lock groove 8 is stopped and abutted against the first lock hook 13, the terminal rubber shell 1 and the cover 2 are pre-assembled, the first lock hook 13 is stopped and abutted by the groove wall of the pre-pressing lock groove 8, and the cover 2 and the terminal rubber shell 1 are prevented from being tightly combined or separated due to collision between the terminal connectors.

When the cable 101 needs to be connected in a guiding manner, the external cable 101 is placed into the wire accommodating hole 5, external pressure is applied to the cover 2 or the wire end rubber casing 1, so that the cover 2 or the wire end rubber casing 1 moves relatively, the guide post 12 breaks the stop beam 11, the first locking hook 13 moves out of the pre-pressing locking groove 8 and protrudes into the pressing locking groove 9, the groove wall of the pressing locking groove 9 abuts against and stops the second locking hook 14, the wire end rubber casing 1 and the cover 2 are completely assembled, and in the relative movement process of the wire end rubber casing 1 and the cover 2, the puncture part 4 punctures the insulating layer of the cable 101 accommodated in the wire accommodating hole 5 of the cover 2, so that the male terminal 3 is in conductive contact with the cable 101.

The utility model discloses a terminal connector prevents that lid 2 and line end glue shell 1 from closing tightly or separately and causing the pencil firm to use trouble in the transportation, and the packing of the terminal connector of being convenient for, the cable 101 of being convenient for lead and connect, the automatic equipment of being convenient for reduce equipment cost low, promote production efficiency.

The cover 2 is provided with a second locking hook 14 and a matching locking hook 15 which are arranged on the guide post 12, the second locking hook 14 is formed by protruding from the side surface of the guide post 12, the matching locking hook 15 is formed by protruding from the side surface of the free end of the guide post 12, in the implementation, the first locking hook 13 and the second locking hook 14 are formed by protruding from the same side surface of the guide post 12, and the first locking hook 13 and the matching locking hook 15 are respectively formed by protruding from two different side surfaces of the guide post 12.

When the free end of the guide post 12 is stopped by the stop beam 11, the first locking hook 13 protrudes into the pre-pressing locking groove 8, and the second locking hook 14 is located outside the guide groove 7, so that the wire end rubber shell 1 and the cover 2 are preassembled together. After the guide post 12 breaks the stop beam 11 and the first lock hook 13 protrudes into the pressing lock groove 9, the second lock hook 14 protrudes into the pre-pressing lock groove 8, the terminal rubber housing 1 and the cover 2 are stably assembled together by using the cooperation of the first lock hook 13 and the pressing lock groove 9 and the cooperation of the second lock hook 14 and the pre-pressing lock groove 8, so that a double-layer anti-exit effect is realized, and the puncture part 4 punctures an insulating layer of the cable 101 accommodated in the accommodating hole 5 so that the male terminal 3 is in contact conduction with a conductor of the cable 101.

After the line end connector and the plate end connector are assembled together in a butt-inserting mode, the matching locking hook 15 is used for buckling the plate end connector which is in conduction fit with the line end connector, and therefore the line end connector and the plate end connector are prevented from being separated from each other.

The advance beam 11 is provided with a pre-fracture 16, the pre-fracture 16 is located in the middle of the advance beam 11, the pre-fracture 16 is formed by recessing from the outer surface of the advance beam 11, the pre-fracture 16 facilitates the guide pillar 12 to break the advance beam 11, so that the cover 2 and the line end rubber casing 1 can be completely assembled together easily, and the assembly efficiency of the line end rubber casing 1 and the cover 2 is improved.

When the stop beam 11 stops the free end of the guide post 12, and the first lock hook 13 protrudes into the pre-pressing lock groove 8, the pre-cut 16 is located on the side of the stop beam 11 away from the guide post 12; in this embodiment, the width of one end of the guide slot 7 is greater than the width of the guide post 12, and after the guide post 12 breaks the stop beam 11, the broken stop beam 11 is located between the groove wall of one end of the guide slot 7 and the guide post 12.

The lid 2 has the unlock button 17 of setting on guide pillar 12, and unlock button 17 establishes suddenly from the side surface of guide pillar 12 and forms, and unlock button 17, cooperation locking hook 15 establish suddenly from the side surface of guide pillar 12 with one side, press unlock button 17 and make guide pillar 12 take place elastic deformation and then make cooperation locking hook 15 release board end connector, later can separate line end connector and board end connector.

In this embodiment, the outer surface of the wire end rubber case 1 is provided with the anti-slip protrusion 18 in a protruding manner, and after the board end connector is released by the matching lock hook 15, the user uses a finger to buckle the anti-slip protrusion 18, so that the wire end connector can be conveniently pulled out from the board end connector, and the wire end connector and the board end connector can be rapidly separated.

The number of the guide posts 12 and the number of the guide grooves 7 are two, the two guide posts 12 are respectively inserted into the two guide grooves 7, the two guide posts 12 are respectively positioned at the left end and the right end of the cover 2, and the two guide grooves 7 are respectively positioned at the left end and the right end of the wire end rubber shell 1; during the actual use, two guide pillars 12 are respectively inserted into two guide slots 7, ensure that the both ends of lid 2 are atress balanced, ensure that lid 2 is firm to be inserted on line end rubber casing 1.

Referring to fig. 1 and 6, the male terminal 3 has a male end base 19 and a male end head 21 connected to the male end base 19, the male end head 21 is used for connecting a terminal of a board end connector, the two piercing portions 4 are connected to the male end base 19, the two piercing portions 4 are located on the same side of the male end base 19, a wiring groove 22 for accommodating the cable 101 is formed between the two piercing portions 4, and one side of the two piercing portions 4 close to each other is used for piercing an insulating layer of the cable 101.

In this embodiment, the outer diameter of the cable 101 is greater than the width of the wire connecting groove 22, when the cover 2 and the wire end rubber housing 1 are completely assembled together, the cable 101 is squeezed into the wire connecting groove 22 between the two piercing portions 4, and since the outer diameter of the cable 101 is greater than the width of the wire connecting groove 22, the insulation layer of the cable 101 can be pierced on the side where the piercing portions 4 are close to each other, so that the conductor of the cable 101 is in contact with and conducted with the piercing portions 4.

The male end base portion 19 has an arc-shaped groove 23 between the two piercing portions 4, and arc-shaped groove walls at both ends of the arc-shaped groove 23 are connected to side surfaces of the two piercing portions 4 on the side close to each other, respectively. In this embodiment, the arcuate groove 23 is generally semi-circular in cross-section.

When the cable 101 is squeezed between the two puncturing parts 4, the two puncturing parts 4 move in the direction away from each other to generate elastic deformation, and through the arrangement of the arc-shaped groove 23, the risk that the male end base 19 is torn when the two puncturing parts 4 are away from each other is greatly reduced, and the stability of the service performance of the male terminal 3 is ensured.

The male end base 19 has a male end carry stop 24 and a male end stop hook 25, the line terminal rubber housing 1 has a male end jack (not numbered in the figure) and a male end carry stop groove (not shown in the figure) communicated with the male end jack, the male end jack is used for accommodating the male end head 21, the groove wall of the male end carry stop groove is used for stopping the male end carry stop 24 to prevent the male terminal 3 from being excessively inserted into the line terminal rubber housing 1, so that the male terminal 3 is rapidly inserted into an accurate position in the line terminal rubber housing 1, and the male end stop hook 25 protrudes into the line terminal rubber housing 1 to prevent the male terminal 3 from being withdrawn from the line terminal rubber housing 1.

The male terminal 3 has a blade 26 connected to the piercing part 4, the blade 26 is used for piercing the insulation layer of the cable 101, the width of the end of the blade 26 close to the piercing part 4 is smaller than the width of the end of the blade 26 far from the piercing part 4, and the arrangement of the blade 26 enables the insulation layer of the cable 101 to be pierced by the male terminal 3 more easily, so that the efficiency and yield of the conductive connection between the cable 101 and the male terminal 3 are improved. In this embodiment, both ends of the arc groove wall of the arc groove 23 are respectively connected to the side surfaces of the two piercing parts 4 on the sides where the blade parts 26 are close to each other.

The central axis of the male end head 21 and the central axis of the male end base 19 are spaced from each other and arranged in parallel, the two puncturing parts 4 are symmetrically arranged about the central axis of the male end base 19, and the central axes of the puncturing parts 4 and the central axis of the male end head 21 are spaced from each other and arranged in parallel; the number of the male terminals 3 is multiple, all the male terminals 3 are arranged into two male end rows, each male end row is provided with a plurality of male terminals 3, the male end heads 21 of the two male end rows are symmetrically arranged about the central axis of the line end rubber shell, and the puncture parts 4 of the two male end rows are arranged in a staggered manner about the central axis of the line end rubber shell.

Referring to fig. 1 to 7 and 9, the electrical connector further includes a board end connector for mating with a line segment connector, the board end connector includes a female end rubber shell 27 and a female terminal 28 disposed on the female end rubber shell 27, the female terminal 28 includes a female end base 29, a soldering portion 31 connected to the female end base 29 and two elastic contact portions 32, the elastic contact portions 32 are used for contacting and conducting the male end head 21 of the male terminal 3, the female end soldering portions 31 are used for soldering to an external circuit board 102, the number of the elastic contact portions 32 is two, an abdicating space 33 for accommodating the male end head 21 of the male terminal 3 is disposed between the two elastic contact portions 32, and a width of an end of the abdicating space 33 close to the female end base 29 is greater than a width of an end of the abdicating space 33 far from the female end base 29.

In this embodiment, the width of the end of the abdicating space 33 far away from the female end base 29 is smaller than the thickness of the male end head 21, the width of the end of the abdicating space 33 near the female end base 29 is larger than the thickness of the male end head 21, after the cable connector and the plate connector are inserted together, the male end head 21 enters the abdicating space 33 and drives the two elastic contact portions 32 to move towards the directions far away from each other, the two elastic contact portions 32 clamp the end of the male terminal 3 far away from the piercing portion 4, and the elastic restoring force of the elastic contact portions 32 is utilized to make the male terminal 3 stably contact and conduct with the female terminal 28.

The welding part 31 is provided with a female end carry-stopping hook 34, the female end base part 29 is provided with a female end return-stopping hook 35, the female terminal 28 is arranged in the female end rubber shell 27 from bottom to top, the lower end of the female end rubber shell 27 is used for stopping and abutting against the female end carry-stopping hook 34 to prevent the female terminal 28 from being excessively inserted into the female end rubber shell 27, and therefore the female terminal 28 can be quickly and accurately assembled. When the female terminal 28 is fitted into the female terminal rubber housing 27, the female terminal retaining hook 35 protrudes into the female terminal rubber housing 27 to prevent the female terminal 28 from being withdrawn from the female terminal rubber housing 27.

Referring to fig. 1 to 10, in the present embodiment, the reinforcing solder legs 36 soldered to the external circuit board 102 are respectively disposed at the left and right ends of the female end rubber shell 27, the reinforcing solder legs 36 have limiting holes 37, the female end rubber shell 27 has limiting bosses 38 protruding into the limiting holes 37, and the reinforcing solder legs 36 and the female end rubber shell 27 are ensured to be accurately assembled together through the cooperation of the limiting holes 37 and the limiting bosses 38. In actual use, the welding portion 31 and the reinforcing leg 36 of the board end connector are welded to the external circuit board 102, so that the connection strength between the board end connector and the circuit board 102 is improved, and the board end connector is prevented from falling off the circuit board 102.

The reinforcing solder leg 36 is provided with a reinforcing anti-back hook 39, the reinforcing anti-back hook 39 protrudes into the female end rubber shell 27 along the length direction of the female end rubber shell 27 to prevent the reinforcing solder leg 36 from withdrawing from the female end rubber shell 27, the hole wall of the limiting hole 37 is stopped and abutted against the limiting boss 38 to prevent the reinforcing solder leg 36 from moving up and down relative to the female end rubber shell 27, so that the reinforcing solder leg 36 is ensured to be stably installed on the female end rubber shell 27, and the reinforcing solder leg 36 is prevented from falling off from the female end rubber shell 27 or from moving relative to the female end rubber shell 27.

The two ends of the female end rubber shell 27 are respectively provided with a positioning column 41, the external circuit board 102 is provided with a positioning hole for accommodating the positioning column 41, and in the welding process of the board end connector and the circuit board 102, the positioning column 41 and the positioning hole are matched to realize quick and accurate alignment between the board end connector and the circuit board 102, so that the installation efficiency of the board end connector is improved. The left end and the right end of the female end rubber shell 27 are respectively provided with a lock hole 42, when the line end connector and the plate end connector are inserted and assembled, the matching lock hooks 15 of the two guide pillars 12 respectively extend into the lock holes 42 at the two ends of the female end rubber shell 27, and the hole walls of the lock holes 42 are blocked and abutted against the matching lock hooks 15, so that the line end connector and the plate end connector are ensured to be stably inserted and assembled together.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A double-row puncture type terminal connector comprises a line end connector, wherein the line end connector is provided with a line end rubber shell, a cover and a male terminal, the cover is matched with the line end rubber shell in an inserted mode, the male terminal is arranged on the line end rubber shell and is provided with a puncture part, the cover is provided with a line accommodating hole and an accommodating hole communicated with the line accommodating hole, the line accommodating hole is used for accommodating an external cable, and the puncture part is used for puncturing an insulating layer of the cable in the line accommodating hole through the accommodating hole so as to enable the male terminal to be communicated with the cable; the method is characterized in that: the line end rubber shell is provided with a guide groove, a pre-pressing lock groove and a pressing lock groove which are communicated with the guide groove, and a non-advancing beam positioned in the guide groove, wherein the pressing lock groove is positioned between the pre-pressing lock groove and the non-advancing beam; the cover is provided with a guide post and a first lock hook arranged on the guide post, and the guide groove is used for accommodating the guide post; the free end of the guide pillar is blocked by the non-advancing beam, and the first locking hook protrudes into the pre-pressing locking groove, so that the wire end rubber shell and the cover are preassembled together; the guide post breaks the stop beam, the first lock hook protrudes into the pressing lock groove, so that the wire end rubber shell and the cover are assembled together, and the puncture part punctures the insulating layer of the cable accommodated in the wire accommodating hole.

2. The double row pierce terminal connector according to claim 1, wherein: the cover is provided with a second lock hook arranged on the guide post and a matched lock hook, the guide post breaks the stop-in beam, the first lock hook protrudes into the pressing lock groove, the second lock hook protrudes into the pre-pressing lock groove, so that the wire end rubber shell and the cover are assembled together, and the puncture part punctures the insulating layer of the cable accommodated in the wire accommodating hole; the matching lock hook is positioned at the free end of the guide pillar and used for buckling the plate end connector which is in conduction fit with the wire end connector.

3. The double row pierce terminal connector according to claim 2, wherein: the non-return beam is provided with a pre-fracture which is positioned in the middle of the non-return beam and is convenient for the guide pillar to break the non-return beam; the free end of the guide pillar is blocked by the stop-in beam, and when the first lock hook protrudes into the pre-pressing lock groove, the pre-breaking opening is positioned on one side of the stop-in beam, which is far away from the guide pillar; the width of one end of the guide groove is larger than that of the guide pillar, and after the guide pillar breaks the stop-advance beam, the broken stop-advance beam is positioned between the groove wall of one end of the guide groove and the guide pillar; the lid has the unblock button that sets up in the guide pillar, presses the unblock button and makes the guide pillar take place elastic deformation and then make the cooperation locking hook release board end connector.

4. The double row pierce terminal connector according to claim 1, wherein: the number of the guide columns and the number of the guide grooves are two, the two guide columns are respectively inserted into the two guide grooves, the two guide columns are respectively positioned at two ends of the cover, and the two guide grooves are respectively positioned at two ends of the wire end rubber shell; the male terminal is provided with a male end base part and a male end head part connected with the male end base part, the male end head part is used for connecting a terminal of the board end connector, the two puncture parts are connected with the male end base part, the two puncture parts are positioned on the same side of the male end base part, a wiring groove for accommodating a cable is formed between the two puncture parts, and one side, close to each other, of the two puncture parts is used for puncturing an insulating layer of the cable; the male end base part is provided with an arc-shaped groove positioned between the two puncture parts, and arc-shaped groove walls at two ends of the arc-shaped groove are respectively connected with the side surfaces of the two puncture parts close to one side.

5. The double row pierce terminal connector according to claim 4, wherein: the male end base part is provided with a male end stop position and a male end stop hook, the wire end rubber shell is provided with a male end jack and a male end stop position groove communicated with the male end jack, the male end jack is used for accommodating the head part of the male end, the groove wall of the male end stop position groove is used for stopping the male end stop position so as to prevent the male terminal from being excessively inserted into the wire end rubber shell, and the male end stop hook protrudes into the wire end rubber shell so as to prevent the male terminal from being withdrawn from the wire end rubber shell; the male terminal is provided with a blade part connected with the puncture part, the blade part is used for puncturing the insulation layer of the cable, and the width of one end, close to the puncture part, of the blade part is smaller than the width of one end, far away from the puncture part, of the blade part.

6. The double row pierce terminal connector according to claim 4, wherein: the central axis of the male end head and the central axis of the male end base are arranged in parallel at intervals, the two puncture parts are symmetrically arranged relative to the central axis of the male end base, and the central axes of the puncture parts and the central axis of the male end head are arranged in parallel at intervals; the number of the male terminals is multiple, all the male terminals are arranged into two male end rows, each male end row is provided with a plurality of male terminals, the head parts of the male ends of the two male end rows are symmetrically arranged relative to the central axis of the line end rubber shell, and the puncture parts of the two male end rows are arranged in a staggered manner relative to the central axis of the line end rubber shell.

7. The double row pierce terminal connector according to any one of claims 1-6, further comprising a plate end connector for mating with a wire end connector, wherein: the board end connector has female end and glues the shell and set up in the female terminal that the shell was glued to female end, female terminal includes female end basal portion, weld part and the elastic contact portion of being connected with female end basal portion, elastic contact portion is used for the contact to switch on public terminal, female end weld part is used for welding to external circuit board, the quantity of elastic contact portion is two, it is used for holding the space of stepping down who establishes public terminal to have between two elastic contact portions, the width that the space of stepping down is close to female end basal portion one end is greater than the width that the space of stepping down kept away from female end basal portion one end.

8. The double row pierce terminal connector according to claim 7, wherein: the welding part is provided with a female end carry-stopping hook, the base part of the female end is provided with a female end carry-stopping hook, the lower end of the female end rubber shell is used for stopping and abutting against the female end carry-stopping hook so as to prevent the female terminal from being excessively inserted, and the female end carry-stopping hook protrudes into the female end rubber shell so as to prevent the female terminal from being withdrawn from the female end rubber shell; the two ends of the female end rubber shell are provided with reinforcing welding feet welded to an external circuit board, the reinforcing welding feet are provided with limiting holes, and the female end rubber shell is provided with limiting bosses protruding into the limiting holes.

9. The double row pierce terminal connector according to claim 8, wherein: the reinforcing welding foot is provided with a reinforcing anti-return hook which extends into the female end rubber shell along the length direction of the female end rubber shell to prevent the reinforcing welding foot from withdrawing from the female end rubber shell, and the hole wall of the limiting hole is stopped and abutted against the limiting boss to prevent the reinforcing welding foot from moving up and down relative to the female end rubber shell.

10. The double row pierce terminal connector according to claim 7, wherein: the two ends of the female end rubber shell are respectively provided with a positioning column, and the external circuit board is provided with a positioning hole for accommodating the positioning column; two ends of the female end rubber shell are respectively provided with a lock hole.