CN206147141U

CN206147141U - Pigtail connector

Info

Publication number: CN206147141U
Application number: CN201621194893.9U
Authority: CN
Inventors: 陈正龙
Original assignee: LONGXING TELECOMMUNICATION EQUIPMENT MANUFACTURING Co Ltd NINGBO
Current assignee: LONGXING TELECOMMUNICATION EQUIPMENT MANUFACTURING Co Ltd NINGBO
Priority date: 2016-11-06
Filing date: 2016-11-06
Publication date: 2017-05-03
Anticipated expiration: 2026-11-06

Abstract

The utility model relates to a pigtail connector, including the female of taking the guide pin hole, the public plug 1 of taking the guide pin and can and the adapter of female and 1 butt joint of public plug, female and public plug 1 be all including the built -in connector that has the lock pin, its characterized in that still including: the setting is in can be relative on the connector the frame cover that the lock pin removed sets up on the lock pin, in order to order about the frame cover has the trend of antedisplacement, follows until the frame cover of connector the elastic component of adapter locking to and set up on the adapter locating part of spacing connector and frame cover, compare with prior art, the moving guiding mechanism in the utility model is advantageous in that, the utility model discloses a pigtail connector low in production cost is honest and clean, and connection structure is stable, tensile ability reinforce, and use and assemble the convenience to can be effectual provide effectual location and tensile protection to the fiber connector, thereby help the connection stability who improves the tail optical fiber to connect the efficiency and the quality of constructing with the tail optical fiber.

Description

Pig tail connections

Technical field

This utility model is related to field fiber, more particularly to a kind of MPO pig tail connections of stable connection.

Background technology

MPO is the english abbreviation of " multi-fiber pull off ", and the lock pin of this union joint has more than 1 fibre core, Mechanically click into place, its mechanical connecting structure is usually to be realized by screw thread or buckle structure, the MPO type joints of optical fibre It is a kind of multicore multichannel umbilical connector, it is characterized in that the rectangle lock pin that a normal diameter is 6.4mm*2.5mm, profit Positioning centering is carried out with the guide hole of the two a diameter of 0.7mm diameters in left and right on insertion core end face with guid needle.It is used for 2～12 cores The connection of optical fiber side by side, at most can be that the core fibre of two row 24 connects simultaneously, and the MPO type joints of optical fibre are by a band guide pinhole Female and a public plug with guide pin dock and be locked in an adapter, due in the communications field, optical fiber leads to Letter has been widely used and has developed, and optical cable application in a local network is even more quite varied, and various terminal equipment is required for It is connected with optic cable tail fiber, because the geometrical property and optical characteristics of optical fiber, and transmission characteristic have very high to pigtail connecting device Requirement, when the MPO type joints of optical fibre are frequently plugged, easily cause between public plug or female and adapter vertically Occur loosening phenomenon, affect normally using for adapter.

The content of the invention

Technical problem to be solved in the utility model be for above-mentioned state of the art and provide a kind of public plug or Female is difficult the pig tail connections for occurring vertically loosening between adapter.

This utility model solve the technical scheme that adopted of above-mentioned technical problem for：The pig tail connections, include band and lead The female of pin hole, the public plug with guide pin and the adapter that can be docked with the female and public plug, the female The union joint for being built-in with lock pin is included with public plug, it is characterised in that also include：

Outer frame set, being arranged on the union joint can move relative to the lock pin；

Elastic component, is arranged on the lock pin, to order about the trend that the outer frame set has reach, until union joint is outer Frame set is locked with the adapter；And

Locating part, is arranged on the adapter, the spacing union joint and outer frame set.

External force drives the structure of the outer frame set opposing ferrule movement to have multiple choices, as long as can realize driving housing The mobile purpose of set, from for processing and angle of assembling, preferably：The elastic component is a compression spring, and union joint Two side on be provided with caulking groove along the moving direction of outer frame set, the compression spring is embedded in the caulking groove, the caulking groove Front end has the recess for caving inward, and the outer frame set is convexly equipped with guide head, and the guide head in corresponding inwall both sides The recess can be resisted against to be resisted against the front side of the compression spring, in the presence of the guide head is by external force backward, can be applied Power can make to be moved outside outer frame set opposing ferrule in the compression spring, while under the reset response of compression spring, outer frame set energy Opposing ferrule moves forward.

Further, the locating part is the elastic card base for being arranged on the adapter inwall both sides, the elastic card base bag Include the base portion and a resilient freedom portion of tool extended from the base portion of one and the adapter inwall integrally connected, the freedom portion Front end be provided with back-off, and the union joint is correspondingly arranged on the bayonet socket being adapted to the back-off on front side of the recess, and In the state of withholding on the bayonet socket, the outer frame set of the union joint is maintained at lock-out state to the back-off.In connection Head is introduced in the state of adapter, and the back-off of elastic card base freedom portion is inside contracted, and enters adapter and outer frame set in union joint In the state of moving outside opposing ferrule to expose the bayonet socket, the back-off of elastic card base freedom portion is extended out to be somebody's turn to do so as to back-off can be entered Bayonet socket, and under the active force of the elastic reset of freedom portion, back-off can be firmly withheld on bayonet socket.

In order to be able to the outer frame set for making union joint is locked with adapter, what the bayonet socket was moved outside the outer frame set opposing ferrule State just can appear.

Further in order to preferably guide union joint to lock with adapter, guide, the guide bag are also included Include the lead column being arranged on the union joint and the gathering sill for being arranged on the adapter inwall relevant position.

Preferably, the union joint is provided with locating piece in the relative position of lead column, the locating piece from the front to the back by Cumulative thickness.From the front to the back the locating piece of progressive additive also can together guide union joint to lock with adapter with above-mentioned guiding piece, The thickening energy outer frame set of locating piece is stuck on adapter.

Compared with prior art, the utility model has the advantage of, pig tail connections low production cost of the present utility model Honest and clean, attachment structure is stable, and resistance to tension is strong, and uses and easy to assembly, so as to effectively provide effective to fiber connector Positioning and tension protection, so as to be favorably improved the connective stability of tail optical fiber and the efficiency and quality of tail optical fiber connection construction.

Description of the drawings

Fig. 1 is adapter and the structural representation of public plug inserting in this utility model embodiment；

Fig. 2 is the structural representation of public plug in this utility model embodiment；

Fig. 3 is the structural representation that the union joint of public plug in this utility model embodiment enters adapter state；

Fig. 4 is the structural representation that the union joint of public plug in this utility model embodiment extracts adapter state；

Fig. 5 is the structural representation of outer frame set in Fig. 1 this utility model embodiments；

Fig. 6 is the structural representation of adapter in Fig. 1 this utility model embodiments.

Specific embodiment

This utility model is described in further detail below in conjunction with accompanying drawing embodiment.

This pig tail connections includes the female with guide pinhole, the public plug 1 with guide pin and can be with female and public affairs The adapter 2 of the docking of plug 1, female and public plug 1 include the union joint 4 for being built-in with lock pin, also include and are arranged on On union joint 4 can opposing ferrule movement outer frame set 3, be arranged on lock pin with order about outer frame set 3 have reach trend, until The elastic component 5 that the outer frame set 3 of union joint 4 is locked with adapter 2, and being arranged on adapter 2, spacing union joint 4 and housing The locating part of set 3.

In the present embodiment, elastic component 5 is a compression spring, and along the moving direction of outer frame set 3 on the two side of union joint 4 Caulking groove 41 is provided with, compression spring is embedded in the caulking groove 41, the front end of caulking groove 41 has the recess 6 for caving inward, outer frame set 3 The guide head 31 of the front side that can be resisted against the recess 6 to be resisted against compression spring is convexly equipped with corresponding inwall both sides, is being oriented to In the presence of 31 by external force backward, compression spring can be forced in and can make to be moved outside the opposing ferrule of outer frame set 3, while in compression bullet Under the reset response of spring, outer frame set 3 can opposing ferrule reach.And locating part is the elastic card for being arranged on the inwall both sides of adapter 2 Foot 7, the elastic card base 7 include one with the base portion 71 and of the inwall integrally connected of adapter 2 from the base portion 71 extend with bullet The freedom portion 72 of property, the front end of the freedom portion 72 is provided with back-off 73, and union joint 4 is correspondingly arranged on to be fallen with this in the front side of recess 6 The bayonet socket 42 of the adaptation of button 73, and in the back-off 73 in the state of withholding on bayonet socket 42, the outer frame set 3 of union joint 4 is protected Hold in lock-out state.In order to be able to the outer frame set 3 for making union joint 4 is locked with adapter 2, bayonet socket 42 is outside the opposing ferrule of outer frame set 3 The state of shifting just can appear.Further in order to preferably guide union joint 4 to lock with adapter 2, guide is also included, led The lead column 43 being arranged on union joint 4 and the gathering sill 21 for being arranged on the inwall relevant position of adapter 2 are included to part, and And union joint 4 is in the upper surface that the relative position of lead column 43 is that lead column 43 is arranged on union joint 4, in the following table of union joint 4 Face is provided with the locating piece (not shown in figure) of progressive additive from the front to the back, and locating piece is conducive to the same guiding piece company of guiding together Joint 4 is locked with adapter 2, and the thickening of locating piece can also be stuck in outer frame set 3 on adapter 2.

The female with guide pinhole and the public plug with guide pin 1 of this pig tail connections and the inserting process of adapter 2 Laid down a definition with the inserting process of adapter 2 with public plug 1：

In the state of union joint 4 enters adapter 2, first will move outside the opposing ferrule of outer frame set 3 to expose bayonet socket 42, elasticity The back-off 73 of the freedom portion 72 of card base 7 is extended out so as to back-off 73 can enter in card inlet 42, while in the reset response of compression spring Under, outer frame set 3 can opposing ferrule reach, at this moment the freedom portion 72 of elastic card base 7 of adapter 2 under the active force of elastic reset, Back-off 73 is inside contracted again so as to union joint 4 is firmly withheld on bayonet socket 42 together with outer frame set 3.

In the state of union joint 4 extracts adapter 2, equally first will move outside the opposing ferrule of outer frame set 3 to expose bayonet socket 42, Force in adapter 2 or union joint 4 extracts back-off 73 from bayonet socket 42, and outer frame set 3 is under the reset response of compression spring, Outer frame set 3 can opposing ferrule reach.

Claims

1. a kind of pig tail connections, include the female with guide pinhole, the public plug with guide pin (1) and can be with the female plug Head and the adapter (2) of public plug (1) docking, the female and public plug (1) include the union joint for being built-in with lock pin (4), it is characterised in that also include：

Outer frame set (3), being arranged on the union joint (4) can move relative to the lock pin；

Elastic component (5), is arranged on the lock pin, to order about trend of the outer frame set (3) with reach, until union joint (4) outer frame set (3) is locked with the adapter (2)；And locating part, it is arranged on the adapter (2), the spacing company Joint (4) and outer frame set (3).

2. pig tail connections according to claim 1, it is characterised in that the elastic component (5) is a compression spring, and is connected Moving direction on the two side of joint (4) along outer frame set (3) is provided with caulking groove (41), and the compression spring is embedded in the caulking groove (41) in, the front end of the caulking groove (41) has the recess (6) for caving inward, and the outer frame set (3) is in corresponding inwall two Side is convexly equipped with guide head (31), and before the guide head (31) can be resisted against the recess (6) to be resisted against the compression spring Side, in the presence of the guide head (31) is by external force backward, can force in the compression spring and outer frame set (3) can be made relative Move outside lock pin, while under the reset response of compression spring, outer frame set (3) can opposing ferrule reach.

3. pig tail connections according to claim 2, it is characterised in that the locating part is to be arranged on the adapter (2) The elastic card base (7) of inwall both sides, the elastic card base (7) including one with the base portion of the adapter (2) inwall integrally connected (71) and the resilient freedom portion of a tool (72) extended from the base portion (71), the front end of the freedom portion (72) is provided with back-off (73), the union joint (4) is correspondingly arranged on the bayonet socket (42) being adapted to the back-off (73) on front side of the recess (6), And in the back-off (73) in the state of withholding on the bayonet socket (42), the outer frame set (3) of the union joint (4) is kept In lock-out state.

4. pig tail connections according to claim 3, it is characterised in that the bayonet socket (42) is relative in the outer frame set (3) The state moved outside lock pin just can appear.

5. pig tail connections according to Claims 1 to 4 any one claim, it is characterised in that also include guiding Part, the guide includes the lead column (43) that is arranged on the union joint (4) and is arranged in the adapter (2) The gathering sill (21) of wall relevant position.

6. pig tail connections according to claim 5, it is characterised in that the union joint (4) is in the relative of lead column (43) Position is provided with locating piece, locating piece progressive additive from the front to the back.