CN101436735B

CN101436735B - Pushpulll locking connector and plug, socket thereof

Info

Publication number: CN101436735B
Application number: CN200810231407XA
Authority: CN
Inventors: 赵武刚
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2008-12-17
Filing date: 2008-12-17
Publication date: 2011-12-07
Anticipated expiration: 2028-12-17
Also published as: CN101436735A

Abstract

The invention discloses a push-and-pull locking connector and a plug and a socket thereof. A plug shell and a shell wall of a socket insertion part are provided with a lockhole for communicating the inner wall and the outer wall; the lockhole is movably assembled with a lock core of which the dimension in the hole depth direction of the lockhole is larger than the depth of the lockhole; the inner surface and the outer surface of the plug shell are assembled with an inner lock body and an outer lock body respectively which can glidingly cover or expose out of an inner mouth and an outer mouth of the lockhole in elastic sliding along the insertion direction; the surfaces of the inner lock body and the outer lock body corresponding to the plug shell are provided with a matching surface respectively which clings to and is matched with the corresponding mouth of the lockhole; the insertion end of the socket shell is provided with an end face which is in top push matching with the inner lock body of the plug; and the outer surface of the socket shell is provided with a locking groove which corresponds to the lockhole position of the plug shell and can be used for the lock core to clamp in insertion. The push-and-pull locking connector has the advantages of automatic completion of action of insertion and locking, convenient use, small influence of vibrating interference and accurate insertion and positioning.

Description

Pushpulll locking connector and plug thereof, socket

Technical field

The present invention relates to connector, especially Pushpulll locking connector and plug thereof, socket.

Background technology

That the plug and socket of existing electricity or optical connector, the locking connected mode of its shell have is spiral, buckle-type etc., and screw type lock sleeve is generally swivel nut and need rotates and could realize locking or release can not realizing quick separation; Buckle-type connects the dependence chain shot and cooperates realization to be connected with the mutual button of slotted eye, has the chain shot frangibility, is subjected to the caducous shortcoming of external force vibration.

Summary of the invention

The object of the present invention is to provide a kind of locking separating action quick and convenient, connector that locking property is reliable and stable and Pushpulll locking mechanism thereof.

Pushpulll locking connector technical scheme of the present invention is a kind of Pushpulll locking connector, comprise plug and socket, plug comprises plug casing, socket comprises Socket casing, the inserted terminal of plug casing has the opening for the inserted terminal insertion of Socket casing, be provided with the lockhole that connects the internal and external walls face in the housing wall of described plug casing and socket inserting part, movablely in the lockhole be equipped with size on the hole depth direction of lockhole greater than the lock core of lockhole hole depth, in the plug casing, being equipped with slip along grafting direction Elastic Sliding respectively on the outer surface covers or exposes in the lockhole, in the collar extension, outer lock body, in described, all has mating surface on the corresponding surface of outer lock body and plug casing with the corresponding oral area snug fit of lockhole, the inserted terminal of described Socket casing has the end face that cooperates with the interior lock body pushing tow of plug, and the outer surface of Socket casing is provided with the locking slot that Gong the lock core corresponding with the lockhole position in the plug casing snaps in when pegging graft; Described outer lock body is to be used for being loaded on outer attachment cap on the plug casing outer surface for the slip cap that the operator spurs release, be provided with the position limiting structure on the grafting direction between described outer attachment cap and the plug casing, this position limiting structure be outer attachment cap afterbody retaining along and the plug casing outer wall on the retaining edge that is convexly equipped with, retaining edge on the plug casing on the grafting direction, stop cooperation during each other near contact towards the corresponding end face on the retaining edge on the end face of attachment cap afterbody and the attachment cap, the retaining edge on the plug casing on the grafting direction, stop cooperation each other when contacting towards the corresponding end face of the end face of attachment cap head and attachment cap head.

Described locking slot is an annular groove.

Realize the Elastic Sliding assembling by being connected spring between the standing part of described inside and outside lock body and plug.

The part of close its outer end is provided with and holds the also ring-shaped step of block lock core on the described outer attachment cap inwall, passes through chamfered transition between the mating surface on this ring-shaped step and the attachment cap inwall and lockhole.

The technical scheme of Pushpulll locking connector plug of the present invention is: a kind of plug of Pushpulll locking connector, comprise plug casing, the inserted terminal of plug casing has the opening for the inserted terminal insertion of Socket casing, be provided with the lockhole that connects the internal and external walls face in the housing wall of described plug casing and socket inserting part, movablely in the lockhole be equipped with size on the hole depth direction of lockhole greater than the lock core of lockhole hole depth, in the plug casing, being equipped with slip along grafting direction Elastic Sliding respectively on the outer surface covers or exposes in the lockhole, in the collar extension, outer lock body, described in, all has mating surface on the corresponding surface of outer lock body and plug casing with the corresponding oral area snug fit of lockhole; Described outer lock body is to be used for being loaded on outer attachment cap on the plug casing outer surface for the slip cap that the operator spurs release, be provided with the position limiting structure on the grafting direction between described outer attachment cap and the plug casing, this position limiting structure be outer attachment cap afterbody retaining along and the plug casing outer wall on the retaining edge that is convexly equipped with, retaining edge on the plug casing on the grafting direction, stop cooperation during each other near contact towards the corresponding end face on the retaining edge on the end face of attachment cap afterbody and the attachment cap, the retaining edge on the plug casing on the grafting direction, stop cooperation each other when contacting towards the corresponding end face of the end face of attachment cap head and attachment cap head.

Pass through the mutual spacing cooperation of lock core between inside and outside lock body of the present invention, the Socket casing, when outer lock body roof pressure lock core, can be thereby lock core leans out from the lockhole internal orifice at grafting direction upper limit Socket casing, when interior lock body roof pressure lock core, thereby lock core from the lockhole collar extension lean out can be outside grafting direction upper limit lock body, interior lock body pushes up spacing the cooperation on the grafting direction mutually with Socket casing, Socket casing is provided with and can holds the locking slot that lock core snaps in, and the Elastic Sliding that realizes inside and outside lock body by elastic components such as springs is assembled, and makes mechanism can move automatically, reset; In use, press lock core locking receptacles housing after the release by the insertion interior lock body displacement of realization automatically of Socket casing, outer lock body, during release, spur outer lock body release lock core, the spacing of Socket casing is disengaged, interior lock body pushing tow Socket casing withdraw from and again the roof pressure lock core outwards lean out will retract outer lock body locking.Locking latch action of the present invention is finished automatically, easy to use, the release action need be moved by the outer lock body of pulling and be realized, so the influence of vibration interference is less, and the lock out action that plugs together could realize after need lock body puts in place in the Socket casing pushing tow, can guarantee that plug and socket plug together to put in place.

Description of drawings

Fig. 1 is the structural representation of plug of the present invention;

Fig. 2 is the structural representation of socket of the present invention.

Embodiment

As shown in Figure 1 and Figure 2, connector of the present invention comprises plug 12 and socket 13, and the inserted terminal of plug 12 is provided with the opening for the inserted terminal insertion of socket 13.Plug 12 comprises plug casing 3, the inserted terminal opening of described plug 12 is arranged at an end of plug casing 3, be fixed with spline housing 8 in the plug casing 3, spline housing 8 inwalls are provided with the spline that extends along the grafting direction, be fixed with pin insulator 1 in the spline housing 8, be inserted with contact in the pin insulator 1, be provided with the lockhole 11 that connects its surfaces externally and internally in the plug casing 3, lockhole 11 is in plug casing 3, in having respectively on the outer surface, collar extension, in the lockhole 11 movable be equipped with diameter dimension greater than the steel ball 7 of lockhole 11 depth sizes as lock core, but lockhole 11 is provided with the ring-shaped step structure that block steel ball 7 comes off near its internal orifice place, steel ball 7 can be in lockhole 11, collar extension leans out, the dotted line among the figure represent steel ball 7 in when locking the state when the internal orifice of lockhole 11 leans out.On the inside and outside surface of plug casing 3 respectively the axial elasticity slidable fit have slip to cover or expose inside and outside mouthful internal stop 5, outer attachment cap 6 of lockhole 11, internal stop 5 is away from being connected with inner spring 2 between end of the inserted terminal of plug 12 and the spline housing 8, and outer attachment cap 6 is away from being connected with outer spring 4 between end of the inserted terminal of plug 12 and the plug casing 3.Be provided with the position limiting structure on the grafting direction between outer attachment cap 6 and the plug casing 3, this position limiting structure be outer attachment cap 6 afterbodys retaining along 16 and plug casing 3 outer walls on the retaining that is convexly equipped with along 18, retaining on the plug casing 3 along 18 on the grafting direction, stop cooperation during each other near contact towards the corresponding end face of the retaining on the end face of attachment cap 6 afterbodys and the attachment cap 6 along 16, the retaining on the plug casing 3 along 18 on the grafting direction, stop cooperation each other when contacting towards the corresponding end face of the end face of attachment cap 6 heads and attachment cap 6 heads.

Internal stop 5, all has mating surface on the corresponding surface of outer attachment cap 6 and plug casing 3 with the corresponding oral area snug fit of lockhole 11, but these two mating surface roof pressure steel balls 7 lean out from the internal orifice or the collar extension of lockhole 11, part near its outer end on outer attachment cap 6 inwalls is provided with the ring-shaped step 17 that appearance steel ball 7 enters, pass through chamfered transition between the mating surface on this ring-shaped step 17 and attachment cap 6 inwalls and plug casing, ring-shaped step 17 is in order to hold steel ball 7 block steel ball 7 simultaneously under released state, can not come off from lockhole 11 again when steel ball 7 pressurizeds are leant out from lockhole 11.

Socket 13 comprises Socket casing 9 and wherein fixing socket insulator 10, be provided with keyway 15 in the Socket casing 9 with the spline fitted of the spline housing 8 of plug 12, be inserted with contact in the socket insulator 10, Socket casing 9 have a inserted terminal with the opening inserting of plug casing 3 inserted terminals, the end face of Socket casing 9 inserted terminals cooperates with internal stop 5 pushing tows of plug, the outer surface of Socket casing 9 be provided with when pegging graft with plug casing 3 in the corresponding annular groove 14 in steel ball 7 positions.

Lock core in the foregoing description is a steel ball, can certainly select two ends is the lock core of other structures of sphere, lock core need satisfy size on the hole depth direction of lockhole greater than the requirement of lockhole depth size, can lean out from the collar extension of lockhole or internal orifice with the two ends that guarantee lock core.

The present invention in use, plug 12 and socket 13 be not before plugging together, steel ball 7 is withstood on the outside of lockhole 11 collar extensions by internal stop 5, at this moment, outer attachment cap 6 is locked under steel ball 7 effects, outer spring 4 is in compressive state.

When 13 pairs of plug 12 and sockets were slotting, to pusher, inner spring 2 by compression with internal stop 5 for the inserted terminal of Socket casing 9.When

socket

13 and 12 pairs of plugs were inserted into, steel ball 7 was fallen in the annular groove 14 of Socket casing 9, at this moment, outer attachment cap 6 releases, it travels forward under outer spring 4 effects, and the inwall of outer attachment cap 6 compresses steel ball 7, realize plug 12, socket 13 lockings, inner spring 2 is in compressive state.

When plug 12 separates with socket 13, pull back outer attachment cap 6, steel ball 7 is discharged in the annular groove 14 of Socket casing 9, at this moment, internal stop 5 recovers initial position under inner spring 2 effects, outer coupling nut 6 is locked by steel ball 7 simultaneously, and outer spring 4 is in compressive state.

Claims

1. Pushpulll locking connector, comprise plug and socket, plug comprises plug casing, socket comprises Socket casing, the inserted terminal of plug casing has the opening for the inserted terminal insertion of Socket casing, it is characterized in that: be provided with the lockhole that connects the internal and external walls face in the housing wall of described plug casing and socket inserting part, movablely in the lockhole be equipped with size on the hole depth direction of lockhole greater than the lock core of lockhole hole depth, in the plug casing, being equipped with slip along grafting direction Elastic Sliding respectively on the outer surface covers or exposes in the lockhole, in the collar extension, outer lock body, in described, all has mating surface on the corresponding surface of outer lock body and plug casing with the corresponding oral area snug fit of lockhole, the inserted terminal of described Socket casing has the end face that cooperates with the interior lock body pushing tow of plug, and the outer surface of Socket casing is provided with the locking slot that Gong the lock core corresponding with the lockhole position in the plug casing snaps in when pegging graft; Described outer lock body be used for for the operator spur release slip be set in outer attachment cap on the plug casing outer surface, be provided with the position limiting structure on the grafting direction between described outer attachment cap and the plug casing, this position limiting structure be outer attachment cap afterbody retaining along and the plug casing outer wall on the retaining edge that is convexly equipped with, the corresponding end face on the retaining edge on the end face of the afterbody of attachment cap outward on the retaining edge on the plug casing and the outer attachment cap stops cooperation during each other near contact on the grafting direction, the end face of the head of attachment cap outward on the retaining edge on the plug casing and the corresponding end face of outer attachment cap head stop cooperation during close each other the contact on the grafting direction.

2. connector according to claim 1 is characterized in that: described locking slot is an annular groove.

3. connector according to claim 1, it is characterized in that: be fixed with the spline housing in the described plug casing, realize Elastic Sliding assembling with the plug casing outer surface by being connected spring between described outer lock body and the plug casing, assemble by the Elastic Sliding that is connected spring realization and plug casing inner surface between lock body and the spline housing in described.

4. according to claim 1 or 2 or 3 described connectors, it is characterized in that: the part of close its outer end is provided with and holds the also ring-shaped step of block lock core on the described outer attachment cap inwall, passes through chamfered transition between the mating surface on this ring-shaped step and the outer attachment cap inwall and lockhole.

5. the plug of a Pushpulll locking connector, comprise plug casing, the inserted terminal of plug casing has the opening for the inserted terminal insertion of Socket casing, it is characterized in that: be provided with the lockhole that connects the internal and external walls face in the housing wall of described plug casing and socket inserting part, movablely in the lockhole be equipped with size on the hole depth direction of lockhole greater than the lock core of lockhole hole depth, in the plug casing, being equipped with slip along grafting direction Elastic Sliding respectively on the outer surface covers or exposes in the lockhole, in the collar extension, outer lock body, described in, all has mating surface on the corresponding surface of outer lock body and plug casing with the corresponding oral area snug fit of lockhole; Described outer lock body be used for for the operator spur release slip be set in outer attachment cap on the plug casing outer surface, be provided with the position limiting structure on the grafting direction between described outer attachment cap and the plug casing, this position limiting structure be outer attachment cap afterbody retaining along and the plug casing outer wall on the retaining edge that is convexly equipped with, the corresponding end face on the retaining edge on the end face of the afterbody of attachment cap outward on the retaining edge on the plug casing and the outer attachment cap stops cooperation during each other near contact on the grafting direction, the end face of the head of attachment cap outward on the retaining edge on the plug casing and the corresponding end face of outer attachment cap head stop cooperation during close each other the contact on the grafting direction.

6. plug according to claim 5, it is characterized in that: be fixed with the spline housing in the described plug casing, realize Elastic Sliding assembling with the plug casing outer surface by being connected spring between described outer lock body and the plug casing, assemble by the Elastic Sliding that is connected spring realization and plug casing inner surface between lock body and the spline housing in described.