CN101478098A

CN101478098A - Connector

Info

Publication number: CN101478098A
Application number: CNA2008102315922A
Authority: CN
Inventors: 李小卫; 潘雄
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Airlines Optoelectronic Polytron Technologies Inc; ZTE Corp
Priority date: 2008-12-31
Filing date: 2008-12-31
Publication date: 2009-07-08
Anticipated expiration: 2028-12-31
Also published as: CN101478098B

Abstract

The invention discloses a connector, which includes a connector housing with a cable channel inside, the connector housing has a locking device for matching with a socket, and the locking device is elastically fixed to the housing. The lock key on the outer surface of the body, the lock key includes a lock arm elastically suspended above the surface of the connector housing and an elastic arm elastically fixed to the surface of the connector housing. Protruding structure, the connecting position of the elastic arm and the connector housing is close to the cable entry end, the free end of the locking arm is close to the pin installation end of the connector housing, the connecting part of the protruding structure and the locking arm A limiting part is formed to stop and cooperate with the mouth edge of the socket, and the top of the protruding structure has a finger touch part for pressing by fingers. The lock key of the connector of the present invention has a finger-touch protrusion with an arched structure, which makes the pressing feel better, and the fixed end of the lock key is close to the cable inlet end of the connector, so that when the connector is disengaged, the In the direction, it is not easy to be entangled with the cable and cause stagnation.

Description

A kind of connector

Technical field

The present invention relates to the connector technique field of transmission cable.

Background technology

The existing connector that is used for optical cable or cable, it is that afterbody feeds for cable ends that one class is arranged, the connector of the oral area inserting of head and other connectors, in order to lock when the inserting, and be convenient to release and pull up, the shell of this class terminal adapter is provided with an end and is connected with housing, the other end is suspended in the elasticity locking key of housing outer surface top, the stiff end of existing elasticity locking key is mostly near head, the chain shot free end extends to afterbody, therefore when pulling connector, this locking key is hooked on easily and forms clamping stagnation on the cable, and this class locking key and connector shell incline and are oblique setting, the free end of locking key easily is absorbed in the nail seam of finger, and the feel of the pressure that therefore press...withes one's finger is not so good.

Summary of the invention

The object of the present invention is to provide and a kind ofly be difficult for clamping stagnation, push feel connector preferably.

Technical scheme of the present invention is: a kind of connector, establish the connector shell of cable passage in comprising, this connector shell has the contact pin installation end that the cable that is used for the cable feeding feeds end and is used to install contact pin, has the locking device that is used for the socket cooperation on the described connector shell, described locking device is the locking key that elasticity is fixed on housing outer surface, locking key comprises that elasticity is suspended in the hammerlock of connector shell surface and the elastic arm that elasticity is fixed on the connector case surface, be connected with the bulge-structure that the position is higher than hammerlock between elastic arm and the hammerlock, the link position of described elastic arm and connector shell feeds end near cable, the free end of hammerlock is near the contact pin installation end of connector shell, described bulge-structure forms the limiting section that cooperates along block with the mouth of socket with the coupling part of hammerlock, and the finger that the bulge-structure top has for finger presses touches portion.

The free end of described hammerlock is provided with the barb that cooperates with socket.

Described hammerlock and connector case surface be arranged in parallel.

Described elastic arm is and has cranking arm of certain radian.

The sidewall of described connector shell is provided with lead key or the guide groove that cooperates with the socket inwall.

Described bulge-structure be elastic arm with hammerlock between the ledge structure that is connected of transition, the facade of ledge structure forms the confined planes that cooperates along surface, place block with the mouth of socket, the finger that the junction formation of ledge structure and elastic arm is higher than hammerlock touches projection.

Described finger touches projection and touches the surface for the finger of the junction of ledge structure top and elastic arm.

Described connector shell is that the housing parts grafting of establishing the cable passage in first, second two constitutes, end away from mutual inserted terminal of two housings parts is respectively the contact pin installation end and cable feeds end, the inserted terminal of first housing parts is provided with the connection tongue, the inserted terminal of second housing parts is provided with for the slot that connects tongue activity inserting, the cell wall of slot and tongue are provided with the drop-proof structure that join on retaining top, are respectively equipped with corresponding cable passage first, second axial limiting structure on axially on first, second housing parts; First, second housing parts is by connecting tongue and slot activity inserting, and realizes that with the drop-proof structure on the slot axial anti-avulsion elasticity is connected by the spring and the tongue of top dress between first, second axial limiting structure.

Described connection tongue is two tongues that are relatively arranged on the inserted terminal of first housing parts, and described spring is held between two tongues, and spring has the inner ring that wears for cable; Described two slots corresponding with tongue are relatively arranged on the inwall of cable passage of second housing parts, and the notch of slot is logical is located at the reach the standard grade edge of cable access portal of the second housing parts grafting end face.

Described first, second housing parts is the being used to flat shell that with fine intert of depth of section size greater than width dimensions, described spring is the spring of cross section approximate ellipsoidal, and the major and minor axis of the oval cross section of spring is the height and the Width in corresponding flat shell cross section respectively; The inwall of first, second housing parts is provided with the spring guide groove, the logical edge of being located at the cable access portal of the notch of spring guide groove, the bottom land of spring guide groove forms the axial limiting structure of joining with the end top of spring, the side channel wall shape of spring guide groove is corresponding with the spring profile, tongue, slot on described first and second housing parts is on the sidewall on the Width, the spring guide groove is on the sidewall on the short transverse of first and second housing, and described spring guide groove is for connecting the groove of sidewall.

The locking key of connector of the present invention has the bulge-structure that is higher than hammerlock, the finger portion of touching at this bulge-structure top makes the feel of pushing better, the bulge-structure that is higher than hammerlock simultaneously can be on hammerlock form naturally with the socket mouth along the limiting section that block cooperates, make connector when pegging graft, can recognize the contact pin installation end and whether put in place and prevent that grafting is excessive from the outside; In addition, the cable of the close connector of the stiff end of locking key feeds end, makes connector when throwing off, and is not easy to cause clamping stagnation with the cable winding on the pulling traffic direction.

Further, described hammerlock and connector case surface be arranged in parallel, are beneficial to guiding when inserting, and difficult simultaneously and cable takes place to intersect and twines.

And the described finger portion of touching is that the finger of ledge structure and elastic arm joint touches the plane, and the feel of finger presses is better.

In addition, two housings parts of the present invention realize that by the cooperation of spring roof pressure and drop-proof structure the elasticity of anti-avulsion connects, and the guiding by tongue and slot realizes axial elastic floating, thus the contact pin installation end that the satisfies divided connector demand of other end elastic floating relatively.

In addition, connection tongue of the present invention and spring are the clamping setting, and the inner ring of spring can hold that cable is logical to be established, and makes spring easily assembling and guiding, also makes the overall structure of connector compact more simultaneously.

Further, connector of the present invention is flat connector, in order further to save the space, the spring guide groove is set in the cable passage simultaneously, spring is set to the sub-elliptical type accordingly, and form the axial limiting structure of spring at the bottom land of spring guide groove, and utilize the sidewall spaces of connector case body component to install and retainer spring, make the structure of connector compact more.

Description of drawings

Fig. 1 is an assembly structure schematic diagram of the present invention;

Fig. 2 is an internal structure schematic diagram of the present invention;

Fig. 3 is the stereogram of contact pin positioning seat;

Fig. 4 is the stereogram of lock sleeve;

Fig. 5 is the fit structure schematic diagram of connector of the present invention and socket;

Fig. 6 is connector of the present invention and socket mated condition schematic diagram.

Embodiment

As shown in Figure 1 and Figure 2, connector of the present invention comprises connector shell, connector shell is by forward and backward two parts: contact pin positioning seat 2 and lock sleeve 3 are pegged graft and are constituted, the height dimension that contact pin positioning seat 2 and lock sleeve 3 are the cross section has the flat shell of the cable passage that correspondence communicates greater than width dimensions, inside, the front end of contact pin positioning seat 2 is fixed with flat contact pin 1 by safetied pin 6, ribbon fiber 4 insert and insert from the cable of lock sleeve 3 tail ends inlet wear lock sleeve 3, pin positioning seat 2 is connected with flat contact pin 1.The butt end of contact pin positioning seat 2 is provided with upper and lower two connection tongues 202 that be arranged in parallel, the end that connects tongue 202 is provided with barb 203, the butt end of lock sleeve 3 is provided with for the slot 302 that connects tongue 202 activity insertings, the cell wall of slot 302 is provided with barb 203 and snaps in the anti-avulsion opening 303 that cooperates, and anti-avulsion opening 303 has the stopping-receding bench terrace 304 of the close butt end that cooperates with barb 203 retainings.Be top-loaded with spring 5 between contact pin positioning seat 2 and the lock sleeve 3, be respectively equipped with corresponding spring guide groove 205,305 on the inwall of contact pin positioning seat 2 and lock sleeve 3, the logical edge of place cable access portal separately of being located at of the notch of two spring guide grooves, the bottom land of two spring guide grooves all forms the retaining edge of joining with the end top of spring 5, and the side channel wall shape of two spring guide grooves is corresponding with spring 5 profiles.302 activity insertings are connected contact pin positioning seat 2 with slot by being connected tongue 202 with lock sleeve 3, and the spring 5 of cross section approximate ellipsoidal is housed in both spring guide grooves 205,305, spring 5 has the inner ring that wears for cable, spring 5 backs down contact pin positioning seat 2 and lock sleeve 3, and the fitted shaft of passing through the stopping-receding bench terrace 304 in barb 203 and the anti-avulsion opening 303 realizes that to anti-avulsion contact pin positioning seat 2 is connected with lock sleeve 3 anti-avulsion elasticity in the axial direction.

Contact pin positioning seat 2 as shown in Figure 3, be provided with the cable passage in the contact pin positioning seat 2 and be provided with opening in its two ends, the front end of contact pin positioning seat 2 is provided with, following two pin mounting grooves 201, the notch of pin mounting groove 201 is opened in the end face and the butt joint end face of contact pin positioning seat 2, be provided with the axial limiting bayonet socket that cooperates with pin 6 afterbodys in the pin mounting groove 201, make pin 6 afterbodys can along the direction of arrow among the figure pack in the pin mounting groove 201 and axially by locked, the head of pin 6 is showed out the pin hole 101 that inserts flat contact pin 1 in the back from the butt end of contact pin positioning seat 2 and is connected with it.The rear end of contact pin positioning seat 2 is provided with two and connects tongue 202, and the inner surface that connects tongue 202 is and the corresponding arc of spring 5 profiles.Described spring guide groove 205 is the groove on the sidewall that is opened in contact pin positioning seat 2 short transverses, and spring guide groove 205 has the groove bottom 206 that cooperates with spring 5 axial limitings, and the cell wall 207 of spring guide groove 205 is corresponding curved with the spring profile.Described spring 5 is held in two when mounted and connects between the tongue 202.

Lock sleeve 3 as shown in Figure 4, be provided with the cable passage in the lock sleeve 3 and be provided with opening in its two ends, two slots 302 are relatively arranged on the inwall of cable passage of lock sleeve 3, and the notch of slot 302 is logical is located at the reach the standard grade upper and lower edge of cable access portal of lock sleeve 3 butt joint end faces.Described spring guide groove 305 is the groove on the sidewall that is opened in contact pin positioning seat 3 short transverses, and spring guide groove 305 has the groove bottom 306 that cooperates with spring 5 axial limitings, and the cell wall 307 of spring guide groove 305 is corresponding curved with the spring profile.Has the locking key 7 that is used for the jack cooperation on the lock sleeve 3, locking key 7 comprises that elasticity is suspended in the hammerlock 702 of lock sleeve 3 surfaces and the elastic arm 704 that elasticity is fixed on lock sleeve 3 surfaces, elastic arm 704 is for cranking arm, elastic arm 704 feeds end with the link position of lock sleeve 3 near cable, hammerlock 702 be arranged in parallel with the corresponding surface of lock sleeve 3, the free end of hammerlock 702 is fixed with barb 703, the other end is connected with elastic arm 704 by ledge structure, the end face of ledge structure forms and refers to touch plane 701, and the facade of ledge structure forms the confined planes 705 that cooperates along surface, place block with the mouth of socket.The sidewall rear portion of lock sleeve 3 also is provided with the lead key 308 that is used for the socket cooperation.

The present invention in use, as Fig. 5, shown in Figure 6, the finger of pushing locking key 7 tops of lock sleeve 3 afterbodys touches plane 701, the hammerlock 702 of locking key 7 and barb 703 thereof sink, in the socket with the whole insertion of connector socket 8, the top of socket 8 is provided with card joins opening 801 and buckle with barb 702 and join, and the medial surface of the socket of socket 8 is provided with lead key 308 insertings of guide groove 802 and lock sleeve 3 sides, and the mouth of socket 8 sockets pushes up along the confined planes 705 of the plane at place and locking key 7 joins the spacing of realization grafting direction.

Claims

1. A connector, including a connector housing with a cable channel inside, the connector housing has a cable entry end for cable entry and a pin installation end for installing pins, the The connector housing has a locking device for cooperating with the socket, the locking device is a locking key elastically fixed to the outer surface of the housing, and it is characterized in that the locking key includes a locking key that is elastically suspended above the surface of the connector housing. The lock arm and the spring arm elastically fixed on the surface of the connector housing, a protruding structure that is higher than the lock arm is connected between the spring arm and the lock arm, and the connection position of the spring arm and the connector housing is close to the line The cable access end, the free end of the lock arm is close to the pin installation end of the connector housing, the connecting part of the raised structure and the lock arm forms a limit part that cooperates with the mouth edge of the socket, and the top of the raised structure It has a finger touch part for finger pressing.

2. The connector according to claim 1, characterized in that: the free end of the lock arm is provided with a barb that fits with the socket.

3. The connector according to claim 1, wherein the locking arm is arranged parallel to the surface of the connector housing.

4. The connector according to claim 1, wherein the elastic arm is a curved arm with a certain curvature.

5. The connector according to claim 1, characterized in that: the side wall of the connector housing is provided with a guide key or a guide groove that cooperates with the inner wall of the socket.

6. The connector according to any one of claims 1-5, characterized in that: the protruding structure is a stepped structure for transitional connection between the elastic arm and the locking arm, and the elevation of the stepped structure is formed in line with that of the socket. The surface where the mouth edge is located stops the matching limit surface, and the connection between the step structure and the spring arm forms a finger-touch protrusion higher than the lock arm.

7. The connector according to claim 6, wherein the finger-touch protrusion is a finger-touch surface at the connection between the top of the step structure and the elastic arm.

8. The connector according to any one of claims 1-5, characterized in that: the connector housing is formed by plugging the first and second housing parts with cable channels inside, The ends of the two housing parts away from the mutual insertion ends are respectively the pin installation end and the cable entry end. The insertion end of the first housing part is provided with a connecting tongue, and the insertion end of the second housing part is provided with a The slot for the movable mating of the connection tongue, the groove wall of the slot and the tongue are provided with a back-and-forth stop-off structure, and the first and second housing parts are respectively provided with corresponding cable channel shafts Upward first and second axial limiting structures; the first and second housing parts are movably mated through connecting tongues and slots, and through the top-mounted between the first and second axial limiting structures The spring and the anti-off structure on the tongue and the slot realize the elastic connection of the axial anti-off.

9. The connector according to claim 8, characterized in that: the connecting tongues are two tongues oppositely arranged on the insertion end of the first shell member, and the spring is clamped by the two tongues Between them, the spring has an inner ring for the cables to pass through; the two slots corresponding to the tongues are relatively arranged on the inner wall of the cable channel of the second housing part, and the slots of the slots are provided through the second The edge of the opening of the cable passage on the insertion end face of the housing part.

10. The connector according to claim 9, characterized in that: the first and second housing parts are both flat housings with a cross-sectional height dimension greater than the width dimension, and the spring is a cross-sectional An approximately elliptical spring, the long and short axes of the elliptical section of the spring correspond to the height and width directions of the flat shell section respectively; the inner walls of the first and second shell parts are provided with spring guide grooves, and the notches of the spring guide grooves are provided with On the edge of the opening of the cable channel, the groove bottom of the spring guide groove forms an axial limit structure matched with one end of the spring. The shape of the side groove wall of the spring guide groove corresponds to the shape of the spring. The first and second housing parts The tongue and slot are on the side walls in the width direction, and the spring guide grooves are on the side walls in the height direction of the first and second housings, and the spring guide grooves are through grooves passing through the side walls.