CN201804137U

CN201804137U - Fiber connector

Info

Publication number: CN201804137U
Application number: CN2010205250034U
Authority: CN
Inventors: 黄澄
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2010-09-10
Filing date: 2010-09-10
Publication date: 2011-04-20
Anticipated expiration: 2020-09-10

Abstract

The utility model discloses a fiber connector. The back end of a positioning seat of a contact pin is integrally provided with two guide posts which are symmetrically arranged at both sides of a wire cable passage in an backward extending way, the back end part of each guide post is inserted in the guide holes of a push device in a sliding way, and a spring is arranged in each guide hole; and the back ends of the guide posts are provided with hook parts which are convexly arranged on the circumferential faces of the guide posts, slotted holes which are correspondingly communicated with the guide holes and extend along a front direction and a back direction are arranged on the outer surface of the push device, the hook part on each guide post is correspondingly inserted and matched in the slotted holes in a sliding way, and the front ends of the hook parts are provided with forward end faces which are matched with backward hole walls arranged at the front ends of the slotted holes in a stop way. The fore-and-aft sliding fit of the positioning seat of the contact pin and the push-in device, which are arranged at the front and the back, is realized by the guide posts and the guide holes, which are in socket joint between the positioning seat of the contact pin and the push-in device correspondingly, the stop sliding fit of the positioning seat of the contact pin and the push-in device is realized by the hook parts on the guide posts and the slotted holes on the push-in device, and the elastic stop connection in the front direction and the back direction between the positioning seat and the push-in device is realized by the springs supported between the guide posts and the push-in device.

Description

The joints of optical fibre

Technical field

The utility model relates to the joints of optical fibre.

Background technology

The joints of optical fibre that the multi-core optical fiber contact pins body of an existing class and optical fiber ribbon cable and flat pattern is used, generally comprise the contact pin positioning seat and the pushing in device that is used for the staff push operation that is arranged at contact pin positioning seat back that are fixed on the optical fiber contact pins tail end by the location pilot pin, the normal employing is connected or integrative-structure is realized being connected of contact pin positioning seat rear end and pushing in device front end in existing this type of fibre-optic connector structure, can't realize the elastic compression of contact pin front end face when grafting.

The utility model content

The purpose of this utility model is to provide a kind of simple in structure, joints of optical fibre that the contact pin positioning seat is connected with pushing in device elasticity.

The technical solution of the utility model is: a kind of joints of optical fibre, comprise by the contact pin body that is used to be connected the optical cable end that sets gradually behind the forward direction, the contact pin positioning seat, thrust unit, the contact pin positioning seat, be respectively equipped with in the thrust unit and connect both front/rear ends, the cable passage that supplies optical cable to wear that mutual correspondence communicates, the rear end one of contact pin positioning seat extends back and is provided with two guide pillars that are symmetricly set in the both sides, cable passage, the front end correspondence of thrust unit is provided with two pilot holes, the rearward end of described each guide pillar is slided and is inserted in the corresponding pilot hole, and the spring between the corresponding pushing tow end face that top when being used to be subjected to thrust is assigned in guide pillar rear end and pilot hole rear end is housed in each pilot hole; Described guide pillar rear end is provided with the hook portion that is convexly set on the guide pillar side face, offer the corresponding slotted hole that communicates on the thrust unit outside surface along the fore-and-aft direction extension with pilot hole, the corresponding slip inserting of hook portion on described each guide pillar is in slotted hole, and the set hole wall block backwards of end face and slotted hole front end that the hook portion front end has forward cooperates.

Described guide pillar rear portion is provided with elastic cantilever, and described hook portion is arranged at the end of elastic cantilever.

Two described hook portions are arranged on described each guide pillar, offer the straight joint that extands rearward to the guide pillar rear end in the described guide pillar between two hook portions and the guide pillar rear section is divided into two described elastic cantilevers, the end of every elastic cantilever is provided with a hook portion.

Elasticity is fixed with symmetrically arranged two locking keys that are used for the spacing cooperation of adaptive jack buckle on the outside surface of the relative both sides of described thrust unit, each locking key front end is connected on the thrust unit, rear end elasticity backward is suspended in thrust unit outside surface top, the outside, the rear end of locking key is provided with and refers to touch projection, and the outside, middle part of locking key is provided with and is used for the hangnail that the spacing recess with adaptive jack is clasped.

The outside surface of described thrust unit front end is provided with and places the described locking key feather key along the fore-and-aft direction extension before.

Described contact pin body, contact pin positioning seat, thrust unit are the bluff body of the height dimension in cross section greater than width dimensions, and described guide pillar, pilot hole are arranged near the edge part on the height dimension direction of contact pin positioning seat, thrust unit.

Contact pin positioning seat that front and back of the present utility model are provided with and pushing in device are by corresponding guide pillar of pegging graft and pilot hole are slidingly matched before and after realizing between the two, and be slidingly matched by hook portion on the guide pillar and the slotted hole anti-avulsion on the pushing in device, and the top is furnished with spring and has realized that the flexible anti-avulsion on the fore-and-aft direction between positioning seat and the pushing in device is connected between guide pillar and pushing in device, thereby the contact pin positioning seat that satisfies the joints of optical fibre can and be linked to be the demand of integral body simultaneously with respect to the pushing in device elastic floating.

Description of drawings

Fig. 1 is the structural representation of embodiment of the present utility model;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is the cut-open view of embodiment of the present utility model;

Fig. 4 is the schematic perspective view of the contact pin positioning seat among the embodiment of the present utility model.

Embodiment

As Fig. 1～shown in Figure 4, the joints of optical fibre of the present utility model comprise the contact pin body 1 that is connected the end of adaptive optical cable by being used to of setting gradually behind the forward direction, contact pin positioning seat 2, thrust unit 3, contact pin body 1, contact pin positioning seat 2, thrust unit 3 is the bluff body of the height dimension in cross section greater than width dimensions, contact pin positioning seat 2, be respectively equipped with in the thrust unit 3 and connect both front/rear ends, the cable passage 9 that supplies optical cable to wear that mutual correspondence communicates, contact pin body 1 rear end is fixed on the front end of contact pin positioning seat 2 by the location pilot pin 6 of its both sides, and ribbon fiber 4 inserts and inserts and wear thrust unit 3 from the cable inlet of thrust unit 3 tail ends, contact pin positioning seat 2 is connected with contact pin body 1.Elasticity is fixed with symmetrically arranged two locking keys that extend back 7 on the outside surface of thrust unit 3 relative both sides.

The rear end one of contact pin positioning seat 2 extends back and is provided with two guide pillars 21 that are symmetricly set in the both sides, cable passage, the front end correspondence of thrust unit 3 is provided with two pilot holes 31, the rearward end of described two guide pillars 21 is slided and is inserted in each corresponding pilot hole 31, the rear end of guide pillar 21 is provided with symmetry and is convexly set in two hook portions 26 on the guide pillar side face, between two hook portions 26, be provided with in the guide pillar 21 guide pillar 21 rear sections are divided into two elastic cantilevers, extand rearward to the straight joint 25 of guide pillar rear end, described each hook portion respectively is arranged on the elastic cantilever and is able to upwards realize actuating in the footpath of guide pillar.Symmetry offers and each pilot hole 31 corresponding slotted holes 33 along the fore-and-aft direction extension that communicate on the outside surface of thrust unit 3 both sides, a pair of slotted hole 33 corresponding pilot holes 31, and the symmetrically arranged hook portion 26 corresponding slip insertings on described each guide pillar 21 are in a pair of slotted hole 33, the end face that each hook portion 26 front end has forward is used for cooperating with the hole wall block backwards of slotted hole 33 front ends, and hook portion 26 rear ends have the inclined-plane that reduces gradually backward of being convenient to enter slotted hole 33.In each pilot hole 31 spring 5 is housed, spring 5 is the flexible volute spring of fore-and-aft direction, and described guide pillar 21 rear ends are provided with the jack 24 that communicates with described straight joint of inserting spring 5 front ends, and jack 24 front ends are provided with pushing tow end face 22 and cooperate with the spring 5 front end pushing tows that insert.The rear end of spring 5 freely is in the rear portion of corresponding pilot hole 31, and pushing tow end face 32 pushing tows that are provided with the pilot hole rear end under the effect that thrust is arranged cooperate.When contact pin positioning seat 2 makes up with thrust unit 3, described elastic cantilever on the guide pillar 21 can clamp-on in the pilot hole 31 hook portion 26 near drawing in opposite directions, when making its hook portion 26 arrive the position at slotted hole 33 places of pilot holes 31 when promoting guide pillar 21 to move backward, hook portion 26 enters in the slotted hole 33 and compressed elastic cantilever before discharging, realize in the slotted hole 33 cooperating with the anti-avulsion of slotted hole 33 and hook portion 26 is remained on, the combinations thereof fitting operation is very convenient and the anti-avulsion connection is reliable; When needs split contact pin positioning seat 2 with thrust unit 3, to push in the pilot hole 31 that hook portion 26 is retracted into slotted hole 33 inside, pulling contact pin positioning seat 2 is also taken guide pillar 21 out of and can be realized splitting, and fractured operation is very convenient.

Because contact pin positioning seat 2 and the size of thrust unit 3 on short transverse are bigger, described guide pillar and corresponding pilot hole 31 are arranged near near the edge of the dual-side on the height dimension direction of contact pin positioning seat, thrust unit.When the joints of optical fibre use, spring 5 can with contact pin positioning seat 2 and thrust unit 3 to be separated from each other forward, towards the rear to backing down, realize that contact pin positioning seat 2 is connected with the elasticity of thrust unit 3 on fore-and-aft direction.And the hook portion on the guide pillar cooperates with the block of the slotted hole of thrust unit and can guarantee that contact pin positioning seat 2 can not arbitrarily come off from thrust unit 3.

Contact pin positioning seat 2 front ends are respectively equipped with a pin mounting groove 23 on the outside surface of the relative both sides on the short transverse, be provided with the axial limiting bayonet socket that cooperates with the eel-like figure axle journal of locating pilot pin 6 afterbodys in the pin mounting groove 23, make location pilot pin 6 afterbodys pack in the pin mounting groove 23 and axially by locked, the head of location pilot pin 6 is plugged on the pin-and-hole corresponding on the contact pin body 1 after the front end face of contact pin positioning seat 2 passes.

Thrust unit 3 middle parts on the outside surface of the relative both sides on the short transverse respectively elasticity be fixed with the locking key 7 that is used for the spacing cooperation of adaptive jack buckle, each locking key 7 front end is connected on the thrust unit 3, locking key 7 rear ends elasticity backward are suspended in thrust unit 3 outside surfaces top, the outside, the rear end of locking key 7 is provided with the finger that has band and touches projection 71, and the outside, middle part of locking key 7 is provided with and is used for the hangnail 72 that the spacing recess with adaptive jack is clasped.Thrust unit 3 front end outside surfaces are provided with and place described one of them locking key 7 feather key 8 along the fore-and-aft direction extension before.

Claims

1. joints of optical fibre, comprise by the contact pin body that is used to be connected the optical cable end that sets gradually behind the forward direction, the contact pin positioning seat, thrust unit, the contact pin positioning seat, be respectively equipped with in the thrust unit and connect both front/rear ends, the cable passage that supplies optical cable to wear that mutual correspondence communicates, it is characterized in that: the rear end one of contact pin positioning seat extends back and is provided with two guide pillars that are symmetricly set in the both sides, cable passage, the front end correspondence of thrust unit is provided with two pilot holes, the rearward end of described each guide pillar is slided and is inserted in the corresponding pilot hole, and the spring between the corresponding pushing tow end face that top when being used to be subjected to thrust is assigned in guide pillar rear end and pilot hole rear end is housed in each pilot hole; Described guide pillar rear end is provided with the hook portion that is convexly set on the guide pillar side face, offer the corresponding slotted hole that communicates on the thrust unit outside surface along the fore-and-aft direction extension with pilot hole, the corresponding slip inserting of hook portion on described each guide pillar is in slotted hole, and the set hole wall block backwards of end face and slotted hole front end that the hook portion front end has forward cooperates.

2. the joints of optical fibre according to claim 1 is characterized in that: described guide pillar rear portion is provided with elastic cantilever, and described hook portion is arranged at the end of elastic cantilever.

3. the joints of optical fibre according to claim 2, it is characterized in that: two described hook portions are arranged on described each guide pillar, offer the straight joint that extands rearward to the guide pillar rear end in the described guide pillar between two hook portions and the guide pillar rear section is divided into two described elastic cantilevers, the end of every elastic cantilever is provided with a hook portion.

4. the joints of optical fibre according to claim 1, it is characterized in that: elasticity is fixed with symmetrically arranged two locking keys that are used for the spacing cooperation of adaptive jack buckle on the outside surface of the relative both sides of described thrust unit, each locking key front end is connected on the thrust unit, rear end elasticity backward is suspended in thrust unit outside surface top, the outside, the rear end of locking key is provided with and refers to touch projection, and the outside, middle part of locking key is provided with and is used for the hangnail that the spacing recess with adaptive jack is clasped.

5. the joints of optical fibre according to claim 4 is characterized in that: the outside surface of described thrust unit front end is provided with and places the described locking key feather key along the fore-and-aft direction extension before.

6. according to any described joints of optical fibre in the claim 1～5, it is characterized in that: described contact pin body, contact pin positioning seat, thrust unit are the bluff body of the height dimension in cross section greater than width dimensions, and described guide pillar, pilot hole are arranged near the edge part on the height dimension direction of contact pin positioning seat, thrust unit.