CN1122336C

CN1122336C - Connector system

Info

Publication number: CN1122336C
Application number: CN98804690A
Authority: CN
Inventors: 格伦·麦克法兰
Original assignee: Interlemo Holding SA
Current assignee: Interlemo Holding SA
Priority date: 1997-04-30
Filing date: 1998-04-03
Publication date: 2003-09-24
Anticipated expiration: 2018-04-03
Also published as: CA2289015C; DK0875959T3; ATE197519T1; ES2153618T3; NO995323D0; EP0875959B1; NO995323L; EP0875959A1; WO1998049753A1; AU7521798A; AU726404B2; KR100315243B1; IL132383A0; DE69703477D1; IL132383A; DE69703477T2; HK1026522A1; CN1254450A; JP3174583B2; JP2000510642A

Abstract

A connector unit (1) comprises a latching shell (3) having three peripheral resilient tongues (4) at substantially 120 DEG from one another each bearing an outwardly projecting latch (5). A catching sleeve (28) also arranged in the connector unit (1) has three peripheral arms (30) at substantially 120 DEG from one another each provided with an inner latch catching groove (31). The peripheral arms (30) of the catching sleeve (28) are located angularly between the resilient tongues (4) of the latching shell (3), whereby the latches (5) are circumferentially alternating with the latch catching grooves (31).

Description

Connector system

Technical field

The present invention relates to a kind of connector system, be used for connecting signal transmission conductor mechanism by the mechanism that connects by self-locking mechanism control.

Background technology

The connector system of this type is known, and generally is used for the different field of high precision of requirement and reliability.

The common configuration of these systems comprises two bodys that form the plugs and sockets device, and each this type of plug body and socket are predetermined to be connected on the conductor, so that transmission of electric signals, acoustical signal or fluid signal, and these plug body and socket are used to be meshing with each other.When plug body was inserted socket, as long as plug body is pushed socket vertically, a self-locking mechanism just automatically was locked at plug body in the socket.When needs, plug body can be thrown off from socket, and method is to carry out axial pulled straight outside one on the relief sleeve, and this allows the self-locking mechanism release at first, then plug body is withdrawn into outside the socket.Therefore, beyond spurring relief sleeve, any other parts that spur this cable that comprises the signal transmission conductor or plug body and socket can not make the connection between plug body and the socket disconnect.

In these connector systems of knowing, a plurality of peripheral resilient tongue parts are installed on the plug body, the lock pin that each described tongue carrying is outwards outstanding, thus each described lock pin can plug body upper edge radial elastic move.Be installed on the plug body so that the outer tube that moves axially along plug body comprises an extension around peripheral resilient tongue part a slidingtype, this extension has a plurality of horizontal windows that are placed in respectively on the outstanding lock pin, thus, sleeve pipe moving axially on plug body makes the window of sleeve pipe extension play ramp effect, forces this outstanding lock pin radially inside with respect to plug body.This socket comprises an interior cannelure, is used for accepting when plug body is inserted socket this outstanding lock pin.According to above-mentioned general operation, as long as plug body is inserted socket, just can obtain the connection of system, thus, outstanding lock pin radially shrinks and enters socket, and expanding then enters its dump tank, thus the sub-assembly of locking plug body and socket.The method of throwing off this system is, spurs outer tube vertically, and its window radially shrinks outstanding lock pin, allows it to shrink from dump tank thus, thereby can withdraw from plug body from socket.

The another kind of connector system of in US-3160457, describing, comprise a plurality of peripheral resilient tongue parts, have the outstanding lock pin that is installed on the relief sleeve, be configured on the plug body this relief sleeve slidingtype, one on this plug body band is arranged on the frustum inclined-plane of lock pin below.Between lock pin and plug body, be provided with Free up Memory.Socket comprises an interior cannelure, is used for accepting when plug body is inserted socket outstanding lock pin.The connection of this system realizes that by plug body is pushed socket these lock pins can shrink and enter socket thus, expand in the dump tank then in Free up Memory.In this configuration, any to plug body but not cause the frustum inclined-plane of plug body further to promote lock pin in the plug body dump tank to the pulling of relief sleeve.Should obtain by the pulling relief sleeve from the disengagement of lock assembly, these lock pins can shrink in Free up Memory and allow plug body to withdraw from from socket thus.

Another connector system is described in FR-A-2159701.A plug body comprises a plurality of peripheral resilient tongue parts with inwardly outstanding lock pin, and the predetermined engagement of these lock pins edge periphery is arranged on the annular dump tank on the socket.A relief sleeve is mounted on plug body and moves, comprise a chamfered portion at the one end, its orientation also can be passed through in its lower section towards inwardly outstanding lock pin, and at the other end, a retainer device matches with a circlip that flexibly is installed on the male component.The inner surface of this relief sleeve is classification, block the lock pin of inwardly giving prominence in the dump tank of socket when being engaged on the circlip with this retainer device of box lunch, and allow radially to expand into outside the dump tank when retainer device these lock pins when circlip discharges, this chamfered portion that allows relief sleeve lock pin below by, thereby it is radially extended, and self-locking when in disengagement connects.

All these connector systems prevent to lose efficacy certainly, the operator knows maybe and can recognize, they hold one and make the plug body or the socket of working in coordination in the hand, be thus connected part or by plug body being inserted socket or by socket being engaged on the plug body and fastening.But, under heavily stressed or so-called the blindness condition that in military operations for example, exists with the instrument operation, situation and nonessential so.If the operator may be owing to being that plug body or socket are felt confused in the hand, so just can not guarantee to realize to prevent the connection of losing efficacy.Under the situation that connects the loose cable of necessary employing, this situation may especially severe.

DE-A-2063258 describes a kind of halved body connector system, and wherein each halfbody comprises an interior tube body, and its rear end connects on the pipe through a clip.The front end of interior tube body has an outer groove, is located in the end of an expansion, and its rear end forms fits.Leading edge place at cannelure forms each outstanding forward vertically elastic arm along side face, apart from one another by equidistance.The elastic arm destination county enlarges, the protuberance with inside orientation, and they have and the essentially identical shape of the cross section of groove, and the width of these arms and protuberance is such, and by connecting two identical connector halfbodies, each arm of halved body runs through mutually exactly.Slidingtype is installed a control sleeve pipe on the outside of body, and it presses binding face by a spring.This control sleeve pipe has an outstanding forward enlarged, and its axial length equals the axial length of the enlarged end of this body, and its internal diameter equals around the outer peripheral diameter of a circle of elastic arm protuberance.There is groove control sleeve pipe outside, is used for manual operation.The connection of system's halved body realizes by making its corresponding each arm of halved body connect to run through mutually, thus, each arm is in the front end upper edge radial expansion of body, the leading edge that promotes the control sleeve pipe simultaneously overcomes the bias voltage of spring, can fall into the corresponding annular groove up to its protuberance, thereby the control sleeve pipe can be pushed away forward by spring, and the outstanding forward part of its expansion can cover the end of the enlarged of elastic arm.This system thereby locking and fixing prevent the pulling to each pipe.In order to throw off this system, need spur the slot part that has of two control sleeve pipes in opposite direction, the elastic arm of two connector halfbodies can make its protuberance expand and take out from corresponding groove thus.In a kind of variation scheme, its target is to avoid owing to the pipe of clamping that is used to connect purpose accordingly maintains the connector halved body, and the rear portion of control sleeve pipe is covered by a sleeve portion that is fixed on the endosome.In another variation scheme, the sleeve pipe that the control sleeve pipe is fixed on this body covers fully, and comprises the warp-wise double-screw bolt outstanding by the cannelure of overlapping casing tube.

Summary of the invention

An object of the present invention is to utilize a kind of connector system to avoid the possibility that lost efficacy, this connector system even under harsh environmental conditions, also can make the operator avoid any embarrassed state that makes us.Another object of the present invention is to obtain a kind of connector system, and it can simplify the logistic support in signal transmission conductor mechanism and the connection.Another purpose of the present invention is to propose a kind of agile and all-purpose and connector system of being easy to make.

For this reason, the definition that provides in connector system of the present invention and claims is consistent.

Therefore, as long as with first electrical connector can resilient movement the latch gear lock pin that inserts and be self-locking in second electrical connector accept in the mechanism, and the lock pin of first electrical connector accept mechanism settle simultaneously and accept second electrical connector can resilient movement latch gear, so a kind of comprise along side face and lock pin accept that mechanism is arranged alternately can resilient movement the electrical connector of latch gear first electrical connector can be connected with the second identical electrical connector.The obstruction or the search operation that do not have different parts are not gone up the problem that different parts must take place with visual, sense of touch or operation.Only need the insert action of an one-time exercise that simply prevents to lose efficacy, just can realize the connection of signal transmission conductor mechanism.Because electrical connector plays plug body and two kinds of effects of socket, so no matter be the unit type that must deposit or the preparation of cable assembly, its logistic support (logistics) is all simplified.Operating personnel's guidance significantly reduces, no matter its education background how.Owing to reduced the number of different parts, the manufacturing of connector system also obtains simplifying.

In a preferred embodiment, this electrical connector comprise a plurality of along side face apart from one another by be provided with can resilient movement latch gear and a plurality of lock pin that is arranged alternately along side face and described latch gear accept mechanism, be convenient to connection thus more.And latch gear can radially or along side face move.

Oblique mechanism wherein is set, is used to promote latch gear and overcomes its elasticity, discharge because latch gear is accepted mechanism from lock pin, so unlikely mismatching connects.

A control sleeve pipe wherein is installed, is used for vertically moving on electrical connector, and oblique mechanism is connected on the control sleeve pipe, the direct push-and-pull action by on the control sleeve pipe can obtain the self-locking and the release of interconnect function.A control sleeve pipe also can be installed, be used on electrical connector, vertically moving, and latch gear is connected on the control sleeve pipe.

Wall mechanism can be set, be used to promote the latch gear under the blocking, accept locking state in the mechanism at lock pin thereby strengthen latch gear.

Can also be in electrical connector the sleeve mechanism of mounting spring bias voltage, so that accept to move back and forth above the mechanism at latch gear and lock pin, be used for tight purpose and/or prevent unnecessarily contacting, and/or prevent that latch gear and lock pin from accepting mechanism and being subjected to environmental attack with the signal transmission conductor mechanism of electrical connector.

The accompanying drawing summary

Can easily understand above and other objects of the present invention, characteristics and advantage from detailed description with reference to the accompanying drawings, these accompanying drawings schematically only illustrate as an example of the present invention two preferred but still belong to illustrational embodiment.

Fig. 1 is the longitdinal cross-section diagram of the electrical connector of the first embodiment of the present invention;

Fig. 2 is the sectional view according to Fig. 1 center line I-I;

Fig. 3 and 4,5 and 6,7 and 8,9 and 10 is respectively the end view and the top plan view of each thin portion of Fig. 1;

Figure 11 is the electrical connector of expression first embodiment and the longitdinal cross-section diagram of the state that connects of an identical electrical connector;

Figure 12 is the longitdinal cross-section diagram of the second embodiment of the present invention;

Figure 13 is the electrical connector of expression second embodiment and the longitdinal cross-section diagram of the state that connects of an identical electrical connector.

Embodiment

The electrical connector 1 that is shown in Fig. 1 and 2 comprises center tubes 2, locking shell 3 (Fig. 1 are installed on it, 2,5,6), the latter has three peripheral resilient tongue parts 4, and they are apart from one another by 120 degree, outwards outstanding lock pin 5 of carrying on the end of each tongue 4, lock pin 5 have a front surface (6) and towards the sloped-end of tongue 4 to be substantially perpendicular to the back binding face 7 of tongue 4.Locking shell 3 is fixed on the center tubes 2, at its shoulder 8 be fixed between the ring 9 on the body.

Be a slidable sleeve 10 (Fig. 1,2,7,8) on the locking shell 3, three peripheral adjutages 11 are arranged on the one end, be configured on the tongue 4 of locking shell 3 with spending apart from one another by about 120.Each arm 11 has a horizontal window 12 that is placed on the corresponding lock pin 5.Sleeve pipe 10 is near the shoulder 8 of center tubes 2, and its rear end 13 fixing (such as gluing) is on the control sleeve pipe 14 of jockey 1.Rearward end 13 inside of sleeve pipe 10 are chamber 15, wherein settle a spring 16, and the one end is near the wall 17 of chamber 15, and the other end is near the ring 18 that can move in chamber 15, and encircle 18 the rear end applying wall 19 near control sleeve pipe 14 rear ends.Two compactnesses that

O shape ring

20 and 21 guarantees between ring 18, sleeve pipe 10 and the center tubes 2 on the ring 18.

The rear end of control sleeve pipe 14 can be bearing on the end of collet chuck nut 22 slidably, and nut mother 22 is engaged on the thread head 23 of center tubes 2 and near the rear end of ring 18.Collet chuck nut 22 is clamped signal transmission conductor assembly 24, and assembly 24 extends in the center tubes 2 and near its shoulder 37.The compactness that O shape ring 25 guarantees between signal transmission conductor assembly 24 and the center tubes 2.Signal transmission conductor assembly 24 is fixed on the center tubes 2 through the double-screw bolt 26 in the groove 27 that is placed in center tubes angledly.Signal transmission conductor assembly 24 can be the assembly of transmission of electric signals, acoustical signal or the fluid signal of any kind of, need not further describe.

Install one and accept sleeve pipe 28 (Fig. 1,2,9,10) on sleeve pipe 10 and center tubes 2, it is fixed on the center tubes 2 with screw 29.Accept sleeve pipe 28 and comprise three side face arms 30, they are apart from one another by about 120 degree ground configurations, and between the arm 11 of the band window of angled resilient tongue part 4 that is placed in locking shell 3 and sleeve pipe 10, and each side face arm 30 is provided with an internal lock pin joint groove 31, its shape is basic as lock pin 5, but opposite states.Therefore lock pin 5 and window 12 be arranged alternately along side face with lock pin dump tank 31.

The front end of control sleeve pipe 14 extends in the back slightly of the front end of the side face arm 30 of accepting sleeve pipe 28, and is accepting that a sliding sleeve 32 (Fig. 1,2,3,4) is installed between sleeve pipe 28 and the control sleeve pipe 14, and its front end comprises O shape ring 33.Slot at 34 places in the rear end of sleeve 32, so that longitudinally locate and guiding angularly with screw 29, and the spring 35 between the interior applying wall 36 of rearward end that is placed in sleeve 32 and control sleeve pipe 14 sleeve 32 is pushed forward to the front end of the side face arm 30 of accepting sleeve pipe and locking shell 3 lock pin 5 above.O shape ring 38 guarantees the compactness between sleeve 32 and the control sleeve pipe 14.

The operation of this jockey is as follows, and label is corresponding to Figure 11.Two identical jockeys 1 are placed in the other side front mutually and promote mutually and press, and the O shape of sleeve 32 ring 33 guarantees the compactness of this position.Sleeve 32 is withdrawn in control sleeve pipe 14, overcomes the bias voltage of spring 35, and the side face arm 30 of accepting sleeve pipe 28 of each jockey 1 can be inserted in respectively between the side face arm 30 of accepting sleeve pipe 28 of other jockey thus.Therefore, the lock pin 5 of locking shell 3 and window 12 can correspondingly engagements below the side face arm 30 of accepting sleeve pipe 28 of other jockey 1 with the sleeve pipe 10 of each jockey 1.Because the bias voltage of resilient tongue part 4, lock pin 5 meshes corresponding lock pin dump tank 31, makes its corresponding oppositely shape that presses lock pin dump tank 31 backward near part 7.Therefore, the sub-assembly of two jockeys 1 is fixing and closely.Anyly be delivered to lock pin 5 and lock pin dump tank 31 through center tubes 2, locking shell 3, resilient tongue part 4 and screw 29, and the sub-assembly of jockey 1 keeps firmly fixing to collet chuck nut 22 or to the pulling of the cable (not shown) that connects signal transmission conductor assembly 24.

The method of dismounting is as long as one or two in the control sleeve pipe 14 of pulling jockey 1 makes it overcome the bias voltage of spring 16 and withdraw from.Control sleeve pipe 14 overcomes the bias voltage of spring 16 and withdraws from and just can extract sleeve pipe 10 out, and the extension arm 11 of sleeve pipe 10 drives window 12 along the inclined-plane 6 of lock pin 5, thus lock pin 5 is released lock pin dump tank 31.Therefore can make jockey 1 separated from each other, and sleeve 32 is promoted and cross lock pin 5 and accept the end of the side face arm 30 and the signal transmission conductor assembly 24 of sleeve pipe 28 by spring 35.

Second embodiment shown in Figure 12 comprises jockey 39, and this device has center tubes 40, has three side face arms 41, and they are apart from one another by 120 degree, and the end of each is acclivitous wall 42.On center tubes 40 a locking shell 43 can be installed slidably, it has three peripheral resilient tongue parts 44, and they are interval 120 degree respectively, a distance above arm 41.Advancing of locking shell 43 moved the restriction of the shoulder 50 that is subjected to central tube body 40, and shell 43 is fixed with respect to central tube body 40 through a double-screw bolt and slot device (not shown) angledly.The terminal of each resilient tongue part 44 is an outwards outstanding lock pin 45, and it has 46 and one on a lock pin surface backward to be bearing in the front surface 47 of the inside orientation on the inclined wall 42 of arm 41.Locking shell 43 comprise a chamber 49 to rear section 48, settle helical spring 51 in the chamber, the one end is near the antetheca of chamber 49, the other end can be in chamber 49 near one and the ring 52 that moves above the center tubes 40.Ring 52 rear end is near an applying wall 53 around the rear end of the control sleeve pipe 54 of jockey 39, and fixes (for example gluing) to locking shell 43 at 55 places.Two O shape rings 56 on the ring 52 provide compactness between ring 52, locking shell 43 and center tubes 40.

The rear end of control sleeve pipe 54 is bearing on the end of collet chuck nut 57 slidably, and nut 57 is engaged on the thread head 58 of center tubes 40 and near the rear end of ring 52.Collet chuck nut 57 is clamped a signal transmission conductor assembly 59, and assembly 59 longitudinally extends in center tubes 40 angledly and fixes, as among first embodiment.An O shape ring 60 provides compactness between signal transmission conductor assembly 59 and center tubes 40.

Install one and accept sleeve pipe 61 on locking shell 43 and center tubes 40, it is fixed on the center tubes 40 through screw 62.Accept sleeve pipe 61 and comprise three side face arms 63, they are placed between the side face arm 41 of the resilient tongue part 44 of locking shell 43 and center tubes 40 apart from one another by 120 degree angledly.Each side face arm 63 of accepting sleeve pipe 61 has an internal lock pin joint groove 64, have and lock pin 45 essentially identical shapes, but the configuration direction is opposite.Therefore lock pin 45 and arm 41 and lock pin dump tank 64 are arranged alternately along side face.

The front end of control sleeve pipe 54 extends in the back slightly of the front end of the side face arm 63 of accepting sleeve pipe 61, and is accepting that a sliding sleeve 65 is installed between sleeve pipe 61 and the control sleeve pipe 54, and its front end comprises an O shape ring 66.Slot at 67 places in the rear end of sleeve 65, so that longitudinally with angledly locate with screw 62, and the top of front end and the lock pin 45 and the arm 41 of the side face arm 63 of accepting sleeve pipe 61 pushed ahead sleeve 65 to by the spring 68 between the interior veneer wall 69 of rear end that is placed in sleeve 65 and control sleeve pipe 54.An O shape ring 70 guarantees the compactness of sleeve 65 and control sleeve pipe 54.

The operation of this embodiment is as described below with reference to Figure 13.Two identical jockeys 39 are placed in the other side's front and push-tight mutually mutually, and O shape ring 66 compactnesses that guarantee on this height.Sleeve 65 overcomes the bias voltage of spring 68 and withdraws from control sleeve pipe 54, the side face arm 63 of accepting sleeve pipe 61 of each jockey 39 can be inserted into respectively between the side face arm 63 of accepting sleeve pipe 61 of other jockey thus.The lock pin 45 of each jockey 39 and arm 41 therefore can engagements respectively below the side face arm 63 of other jockey 39.Because the bias voltage of resilient tongue part 44, lock pin 45 utilize its corresponding lock pin dump tank 64 of lock pin surface 46 engagements backward, this lock pin surface pressure is by the respective surfaces of lock pin dump tank 64.Therefore the assembling of two jockeys 39 is firmly and closely.Anyly all be delivered to center tubes 40 to collet chuck nut 57 or to the pulling of the cable (not shown) that is connected to signal transmission conductor assembly 59, side face arm 41 and inclined wall 42 thereof push lock pin dump tank 64 with lock pin 45, and the assembling of jockey 39 is still firmly strong.Dismounting is to realize by one or two control sleeve pipe 54 of simple pulling jockey 39.Control sleeve pipe 54 overcomes the bias voltage of spring 51 and withdraws from and just can pull out locking shell 43, and its lock pin 45 is released outside the lock pin dump tank 64 along inclined wall 42 or side face arm 41 by the wall of lock pin dump tank 64.Therefore jockey can be separated from each other, and sleeve 65 is shifted onto lock pin 45 by spring 68 and accepted on the side face arm 63 and signal transmission conductor assembly of sleeve pipe 61.

Can utilize various variation schemes.

For example, the number that lock pin tongue and lock pin are accepted arm and related elements can be less than 3 or more than 3, and importantly their form along being arranged alternately of periphery, and allow this jockey to cooperatively interact with an identical jockey.

These lock pins can inwardly be given prominence to, and related elements correspondingly reconfigures.

These lock pins can flexibly move along periphery, rather than radially move as shown in figure, and the arm and the sloping side face arm of lock pin dump tank, band window are correspondingly settled, so that operate along side direction.

Illustrated leg-of-mutton basically lock pin can have other shape, and they can replace with spherical.

Sleeve system

32,65 can be depressed, and does not especially need the occasion of compactness or protection at lock pin and related elements, lock pin receiving element and signal transmission conductor assembly.

Sleeve

32,65 can comprise one from the outstanding forward first quarter moon female cap of its front end, cooperates so that be easier to.

Claims

1. connector system, be used for connecting signal transmission conductor mechanism (24) by the mechanism that connects by self-locking mechanism control, wherein, an electrical connector (1) comprises a center tubes (2) that is fixed on the locking shell (3), this locking shell (3) has a plurality of resilient tongue parts (4), they dispose apart from one another by equidistance ground along side face, each described tongue (4) has an outstanding lock pin (5), one accepts sleeve pipe (28) is fixed on the described center tubes (2), it has the lock pin that is arranged alternately along side face and described lock pin (5) and accepts mechanism (31), also comprise a control sleeve pipe (14), be mounted on described electrical connector (1), being along the longitudinal movement, pass through push pull maneuver, realize the self-locking and the disengagement of second electrical connector that this electrical connector (1) is identical with, it is characterized in that, be installed on the described locking shell (3) sleeve pipe (10) slidingtype, one end of this sleeve pipe has a plurality of peripheral adjutages (11), extend along described tongue (4) respectively, each described adjutage (11) has inclined-plane (12), be used to promote a corresponding lock pin (5) and overcome its elasticity, the described sleeve pipe (28) of accepting comprises a plurality of side face arms (30), described arm (30) is provided with along periphery on equidistant intervals ground mutually, and angled being placed between described tongue (4) and the adjutage (11), described side face arm (30) each have a described lock pin to accept mechanism (31), and described control sleeve pipe (14) is fixed on the described sleeve pipe that can slide (10), thus, do by the direct promotion on control sleeve pipe (14), can realize the described self-locking of second electrical connector that this electrical connector (1) is identical with this.

2. connector system as claimed in claim 1 is characterized in that, described tongue (4) and outstanding lock pin (5) can radially move.

3. connector system as claimed in claim 1, it is characterized in that, the described sleeve pipe that can slide (10) comprises a chamber (15), wherein settle a spring (16), the one end is near the wall (17) of described chamber, and its other end is near the wall (19) of control sleeve pipe (14) and the part (22) of center tubes (2).

4. connector system as claimed in claim 3, it is characterized in that, the described other end of spring (16) is near a ring (18) that can move in chamber (15) and near the described part (22) of described wall (19) and center tubes (2), wherein, two the O shape rings (20) and (21) on the ring (18) guarantee the compactness between ring (18), sleeve pipe (10) and the center tubes (2).

5. connector system as claimed in claim 4 is characterized in that, described control sleeve pipe (14) slidingtype is arranged is bearing in the rear end on the part (22) of center tubes (2).

6. connector system, be used for connecting signal transmission conductor mechanism (59) by the mechanism that connects by self-locking mechanism control, wherein, pass through push pull maneuver, realize the self-locking and the disengagement of second electrical connector that an electrical connector (39) is identical with, described electrical connector (39) comprises a center tubes (40) that is fixed on the locking shell (43) angledly, this locking shell (43) has a plurality of resilient tongue parts (44), this tongue (44) disposes apart from one another by equidistance ground along side face, each described tongue (44) has an outstanding lock pin (45), one accepts sleeve pipe (61) is fixed on described center tubes (40) and goes up and have the lock pin that is arranged alternately along side face and described lock pin (45) and accept mechanism (64), also comprise a control sleeve pipe (54), be mounted on described electrical connector (39) and be along the longitudinal movement, it is characterized in that, described center tubes (40) comprises a plurality of side face arms (41), they extend along described tongue (44) respectively, each has a skew wall (42), be used to promote a corresponding lock pin (45) and enter described lock pin receiving device (64), the described sleeve pipe (61) of accepting comprises a plurality of side face arms (63), their mutual equal intervals ground is along the side face setting, and angled being placed between described each side face arm (41) of described tongue (44) and center tubes (40), and the described described side face arm (63) of accepting sleeve pipe (61) each have a described lock pin to accept mechanism (64), described locking shell (43) slidingtype is installed on the described center tubes (40), and described control sleeve pipe (54) is fixed on the described locking shell (43), thus, do by the direct promotion on control sleeve pipe (54), can realize the self-locking of second electrical connector that this electrical connector (39) is identical with this.

7. connector system as claimed in claim 6 is characterized in that, described tongue (44) and outstanding lock pin (45) can radially move.

8. connector system as claimed in claim 6, it is characterized in that, described locking shell (43) comprises a chamber (49), wherein settle a spring (51), the one end is near the wall of described chamber (49), and its other end is near the wall (53) of control sleeve pipe (54) and the part (57) of center tubes (40).

9. connector system as claimed in claim 8, it is characterized in that, the described other end of spring (51) is near a ring (52) that can move in chamber (49) and near the described part (57) of described wall (53) and center tubes (40), wherein, two the O shape rings (56) on the ring (52) guarantee the compactness between ring (52), lock pin shell (43) and the center tubes (40).

10. connector system as claimed in claim 9 is characterized in that, described control sleeve pipe (54) slidingtype is arranged is bearing in the rear end on the part (57) of center tubes (40).