CN1275357C

CN1275357C - Electric connector with locking mechanism

Info

Publication number: CN1275357C
Application number: CNB031463797A
Authority: CN
Inventors: 黑田桂治; 新本清
Original assignee: JST Mfg Co Ltd
Current assignee: JST Mfg Co Ltd
Priority date: 2002-07-15
Filing date: 2003-07-10
Publication date: 2006-09-13
Anticipated expiration: 2023-07-10
Also published as: CN1472849A; KR20040010154A; KR100604286B1; JP2004047352A; TW200402910A; TWI236786B

Abstract

The subject of the present invention is: to provide an electrical connector having locking mechanism which can effectively prevent the locking from being released accidentally even if the engagement of the locking arm is released. The solution of the present invention is as follows. An electric connector is constituted from a pair of female/male electric connectors 1 and 21 and a pair of locking arms 10 and 10 which are extended backward from a front edge are integrated to both side surfaces 8 and 8 of one of the connector housings 2 through supporting pieces 9 and 9 which are elastic and deformable. Furthermore, restraining projections 11 and 11 projecting outward are provided in the locking arms 10 and 10. In the other connector housing 22, an empty part 23 is provided to which one of the connector housings 2 and front side parts of both of the locking arms 10 and 10 is engaged and stored. Restraining parts 27 and 27 to which restraining projections 11 and 11 are engaged to are provided to inner walls surfaces 26 and 26 of the empty part 23.

Description

Electrical cnnector with locking mechanism

Technical field

The present invention relates to embed a pair of recessed-protruding electrical cnnector of connection, detailed says, relates to a kind of like this electrical cnnector, and it possesses the locking mechanism that is made of following parts: the socket connector with the receptacle contact that connects many electric wires; Be installed on the printed circuit board (PCB), above-mentioned socket connector freely can be connected thereon, or the base plate connector that disassembles from it.

Background technology

As the known structure of the electrical cnnector with this locking mechanism, for example, disclose in following various patent documentations: Japanese documentation is opened clear 54-14397 communique in fact, american documentation literature 4,008,941,4,376,565 specification and accompanying drawing.Structure in these documents is, on two sides of side's connector shell, be provided with lock arm, the bound fraction locking that is arranged on two sides of fork and the connector shell that is arranged on the opposing party on this lock arm fore-end combines, pushing is arranged on the bulldozing operation part of above-mentioned lock arm rear end, above-mentioned fork is thrown off from above-mentioned bound fraction, unlock.

, have the electrical cnnector of this locking mechanism, when certain external force acted on the above-mentioned lock arm, above-mentioned fork will be thrown off, and the possibility that unexpectedly unlocks is arranged.

On the other hand, in this electrical cnnector, particularly be applied in the high-tension connector, in order to ensure the safety in when energising, also require above-mentioned lock arm in conjunction with solid and reliable.

Summary of the invention

The present invention In view of the foregoing makes, and its objective is provides a kind of electrical cnnector with locking mechanism, wherein the lock arm of locking mechanism can in conjunction with and disengagement, and can prevent from effectively unexpectedly to unlock.

For achieving the above object, electrical cnnector with locking mechanism of the present invention constitutes by embedding a pair of recessed-protruding electrical cnnector that connects, on two sides of side's connector shell, be provided with a pair of lock arm that rearward extends from fore-end, this a pair of lock arm is made of one by the support plate and the connector shell of energy strain, above-mentioned lock arm is provided with the pressurized operation part in rearward end, and have in the middle part protrude laterally in conjunction with protuberance, it is characterized in that, the opposing party's connector shell has to embed combination accommodates the neutral gear part of the front part of an above-mentioned side's connector shell and above-mentioned two lock arms, on the internal face of this neutral gear part, be provided with and the above-mentioned bound fraction that combines tab; On the two sides of an above-mentioned side's connector shell, the protective plate of the described pressurized operation part of that outstanding setting is protruded laterally, the above-mentioned lock arm of clamping and described middle part in conjunction with protuberance, when embedding connection, the front end face crimping of above-mentioned protective plate and above-mentioned the opposing party's connector shell is so that confirm to embed connection status with range estimation.

Description of drawings

Fig. 1 is the stereogram that constitutes the connector shell of side's connector (socket connector) of the present invention;

Fig. 2 is the front view that constitutes the connector shell of side's connector (socket connector) of the present invention;

Fig. 3 is the sectional drawing along the 3-3 line among Fig. 2;

Fig. 4 is the plane graph according to the opposing party's connector of the present invention (base plate connector);

Fig. 5 is the front view according to the opposing party's connector of the present invention (base plate connector);

Fig. 6 is the sectional drawing along the 6-6 line among Fig. 5;

Fig. 7 is the sectional drawing along the 7-7 line among Fig. 4;

Fig. 8 is the stereogram that expression two connectors of the present invention embed bonding state;

Fig. 9 is the cross-sectional view of the major part among Fig. 8.

Embodiment

Below, with reference to description of drawings the preferred embodiments of the present invention.

Fig. 1～Fig. 3 represents to constitute the connector shell of socket connector 1 (referring to Fig. 8 and Fig. 9) of the present invention one side's connector, that is, and and Socket casing 2.This Socket casing 2 usefulness have the plastics of insulation property to make, its contour shape is laterally long flattened rectangular cube, be respectively equipped with the receptacle contact 42 (referring to Fig. 9) that holds on the end that is connected electric wire 41, contactor reception room 3,3 parallel to each other at its two ends.This distance between two contactor reception rooms 3,3 every far, be a kind of for the space length between the receptacle contact 42,42 of seeking to strengthen the connector that high voltage uses with along the structure of the distance on surface.Be provided with on the madial wall of each reception room 3 with after the languid 43 of receptacle contact 42 combines, make receptacle contact 42 remain fixed in the reception room 3 in conjunction with projection 4.In addition, on the antetheca of each reception room 3, be provided with the opening 5 of the pin contact 28 of the dock connector 21 that inserts the another kind of contactor of the present invention.In addition, also be provided with adjacently, extend to two

barbed portion

6,6 till the central part from the front end face of Socket casing 2 with contactor reception room 3,3.Because above-mentioned barbed portion the 6, the 6th, for be arranged on the parts that aftermentioned is mated on the base housing 22 of dock connector 21 on dividing

plate

25,25 combine usefulness, so, oppositely chimeric in order to prevent, the shape of its latter half is made the step part 7 that has broad.

On two sides 8,8 of Socket casing 2, by being connected on these housing 2 leading sections, can produce the support plate 9,9 of strain, be provided with the pair of

locking arm

10,10 of extending to oblique foreign side from the fore-end of housing 2.The width of each lock arm 10 all less than the height (thickness) of housing 2, on the lateral surface of middle part, is provided with two

backstop protuberances

11,11 that outwards protrude.In addition, on the rearward end of each lock arm 10, be provided with the pressurized operation part of using the position for lock arm 10 is changed to the inside 12.Also have, on two sides 8,8 of Socket casing 2,, that is, on the rear side position that is provided with

backstop protuberance

11,11, be provided with a pair of outside protrusion, clip the

protective plate

13,13 of lock arm 10 at the rear side position of each lock arm 10.Above-mentioned

protective plate

13,13 had both had and had prevented that other electric wire or other foreign matter from twining up, prevented that perhaps external force from acting on the function on the lock arm, also had to confirm function with the dock connector 21 chimeric connection status of the opposing party's connector described later with range estimation.

Fig. 4～7 expressions constitute the dock connector 21 according to the opposing party's connector of the present invention.The connection housing of this dock connector 21, promptly base housing 22 is the flat box-shaped of front openings, and it has the Socket casing 2 that holds above-mentioned socket connector 1 and the front portion of two

lock arms

10,10, and the neutral gear part 23 chimeric with it.In this neutral gear part 23, formed and combined with the barbed portion 6 of Socket casing 2, protrude from rear wall 24, and the twice dividing

plate

25,25 that is made of one, and, on the fore-end of the twice

madial wall

26,26 of neutral gear part 23, be provided with the

stop portion

27,27 that combines with the

backstop protuberance

11,11 of two lock arms 10.In addition, on the outside left of twice dividing

plate

25,25, arranged the

pin contact

28,28 that runs through rear wall 24.The

contact pin

29,29 of two

pin contacts

28,28 is parallel with the center line of base housing 22 in neutral gear part 23, and forward end opening portion 23a protrudes.And all transversely outwardly-bent extension of

conductor part

30,30 of protruding to the rear of rear wall 24 then bends to the L font downwards, forms soldering

welding portion

30a, 30a facing to aftermentioned printed circuit board (PCB) 40 (referring to Fig. 8 and Fig. 9).Also have, by means of the

prolongation wall

31,32 that rearward protrudes from the two ends up and down of base housing 22 rear walls 24, and between above-mentioned

prolongation wall

31,32, along being spaced laterally apart the polylith dividing plate 33 of ining succession and being provided with at interval, distance and space length have been guaranteed to have between the

conductor part

30,30 of two

pin contacts

28,28 fully along contact-making surface, improved the performance of proof voltage, prevented to produce fault because of high voltage.Among the figure, label 34 is the reinforcement parts that embed in the two side of fore-end of base housing 22.

Fig. 8 and Fig. 9 represent to have the user mode of the socket connector 1 and the dock connector 21 of said structure.The structure of receptacle contact 1 is the receptacle contact 42 on the end that is connected electric wire 41, inserts in the contactor reception room 3 of Socket casing 2, and the languid 43 of receptacle contact 42 is stuck on the backstop protuberance 4, and it is remained fixed in the reception room 3.On the other hand, 34,34 usefulness solderings are connected and are installed on the printed circuit board (PCB) 40 with the reinforcement part soldering welding portion 30a, the 30a of

pin contact

28,28 for 21 of dock connectors.

Front portion when the Socket casing 2 that makes socket connector 1 and two

lock arms

10,10, pass the front opening part 23a of base housing 22, when embedding in the neutral gear part 23, the

barbed portion

6,6 of Socket casing 2 is just to its channeling conduct, and it is combined with dividing

plate

25,25, so and the

contact pin

29,29 of

pin contact

28,28 just enters in the reception room 3,3 from opening 5,5, and is chimeric with receptacle contact 42,42, couples together on electric.At this moment, two

lock arms

10,10 are just to the inside, and promptly when producing strain, insert wherein two of housing 2 sides 8,8.Then, when base housing 22 and two

lock arms

10,10 are embedded into correct chimeric link position, the

backstop protuberance

11,11 of two

lock arms

10,10, just cross the side edge portions of front opening part 23a, enter in the neutral gear part 23, simultaneously, because the resilience force of

lock arm

10,10,

stop portion

11,11 combines with the

stop portion

27,27 of base housing 22, locking base housing 22 and Socket casing 2.Simultaneously, the

protective plate

13,13 of Socket casing 2 is crimped on the front end face of base housing 22, can confirm the chimerism of two connectors 1,21 with range estimation.Like this, under the chimeric connection status of two connectors 1,21, because the

backstop protuberance

11,11 of two

lock arms

10,10 combines with

stop portion

27,27 in the neutral gear part 23 of base housing 22, so the danger that

backstop protuberance

11,11 unlocks because unexpected external force effect and

stop portion

27,27 are thrown off is very little.In addition, by means of being positioned at locational two

protective plates

13,13 that clip each lock arm 10, prevented that effectively unexpected external force from acting on the lock arm 10.

Secondly, when will be when dock connector 21 be pulled out socket connector 1, the

pressurized operation part

12,12 of clamping two

lock arms

10,10 with finger makes it to two sides 8,8 strain take place,

backstop protuberance

11,11 breaks away from

stop portion

27,27, after unlocking, just can allow two

lock arms

10,10 rearward move, Socket casing 2 is pulled out from base housing 22.

In addition, when mistake the Socket casing 2 of socket connector 1 with upper and lower in the neutral gear part 23 of the attitude of turning around insertion dock connector 21 time, the step part 7,7 of

barbed portion

6,6 just hits on the front end face of dividing

plate

25,25, stop Socket casing 2 to enter, prevented reverse chimeric in advance.

As mentioned above, according to the present invention, bound fraction owing to the lock arm on the two sides that are arranged on side's connector shell (Socket casing), with the backstop tab on the neutral gear that is arranged on the opposing party's connector shell (base housing) internal face partly, two connector shells are locked together, so break away from above-mentioned bound fraction because of external force makes above-mentioned backstop protuberance, very little of the possibility that unexpectedly unlocks, more have, because the described pressurized operation part of the above-mentioned lock arm of clamping and described middle part and outstanding protective plate in conjunction with protuberance, stop external force to act on the described lock arm, so the operability of harmless described lock arm can prevent from unexpectedly to unlock.。

In addition, owing to, stoped external force to act on the above-mentioned lock arm, so can more effectively prevent from unexpectedly to unlock with being in the locational protective plate that clips lock arm.

Claims

1. electrical cnnector with locking mechanism, it constitutes by embedding a pair of recessed one protruding electrical cnnector that connects, and has:

On two sides of side's connector shell, be provided with a pair of lock arm that rearward extends from fore-end, this a pair of lock arm is made of one by the support plate and the connector shell of energy strain;

Above-mentioned lock arm is provided with the pressurized operation part in rearward end, and be provided with in the middle part protrude laterally in conjunction with protuberance;

The opposing party's connector shell has to embed combination accommodates the neutral gear part of the front part of an above-mentioned side's connector shell and above-mentioned two lock arms, on the internal face of this neutral gear part, be provided with and the above-mentioned bound fraction that combines tab, it is characterized in that

On two sides of above-mentioned side's connector shell, the outstanding protective plate that is provided with described pressurized operation part that protrude laterally, the above-mentioned lock arm of clamping and described middle part in conjunction with protuberance, when embedding connection, the front end face crimping of above-mentioned protective plate and above-mentioned the opposing party's connector shell is so that confirm to embed connection status with range estimation.