A pulling aid structure and MPO connector

Abstract

The application discloses a pulling assisting structure and an MPO connector, which comprises a shell, two auxiliary shells arranged oppositely, the two auxiliary shells being detachably buckled and being used for being sleeved outside the connector body, the shell being provided with openings at both front and rear ends, a first clamping unit arranged on the shell and being used for clamping the connector body, a tail sleeve located at the rear side of the shell and being used for being detachably sleeved outside the connector body, a pulling assisting unit arranged at the rear end of the tail sleeve, and a limiting unit arranged at the front end of the tail sleeve, the shell being provided with a containing position for containing the limiting unit, and the inner diameter of the rear end opening of the shell being smaller than the outer diameter of the limiting unit. The pulling assisting structure can be assembled and disassembled outside the connector body, and by holding the pulling assisting unit, the pushing and pulling force of the pulling assisting unit can be transmitted to the connector body through the tail sleeve and the shell, the connector body is driven to move to realize plugging and unplugging, the plugging and unplugging point of the connector body is moved to the pulling assisting unit at the rear end of the tail sleeve, and the connector body is convenient to plug and unplug in high density and small space.

Claims

1. A pull-out assist structure, characterized in that, It includes: The housing includes two auxiliary shells arranged opposite each other, which are detachably fastened together and used to be fitted onto the connector body; The outer casing has openings at both the front and rear ends; The first engaging unit is disposed on the housing and is used to engage with the connector body; A tail sleeve is used to be detachably fitted onto the connector body; the tail sleeve is located on the rear side of the housing; A pull-out assist unit is located at the rear end of the tail sleeve; A limiting unit is disposed at the front end of the tail sleeve; a receiving position is provided inside the outer shell for receiving the limiting unit, and the inner diameter of the rear opening of the outer shell is smaller than the outer diameter of the limiting unit.

2. The pull-out assist structure according to claim 1, characterized in that, It also includes at least one fastening unit, which is disposed on the two auxiliary shells and is used to detachably fasten the two auxiliary shells; The fastening unit includes: The first assembly clip is located on one of the auxiliary shells; The first limiting groove is set on another auxiliary shell and corresponds to and cooperates with the first assembly buckle.

3. The pull-out assist structure according to claim 2, characterized in that, It also includes: The first guide post is disposed on one of the auxiliary shells and is located on the front side of the fastening unit; The first guide groove is disposed on another auxiliary shell and corresponds to and cooperates with the first guide post.

4. The pull-out assist structure according to claim 2, characterized in that, It also includes: Two extension units are disposed on the outer shell and located behind the fastening unit; a clamping position is provided between the two extension units, and the tail sleeve is located in the clamping position and respectively abuts against the two extension units; The extension unit includes two extensions, which are respectively disposed on the two auxiliary shells and are fitted together accordingly.

5. The pull-out assist structure according to claim 4, characterized in that, It also includes: The second engaging unit is disposed on the extension unit and is used to engage the two extensions of the extension unit accordingly.

6. The pull-out assist structure according to claim 5, characterized in that, The second engaging unit includes: The second mounting buckle is disposed on one of the extensions of the extension unit and extends toward the opposite auxiliary shell. The second limiting groove is provided on another extension unit of the extension unit and is used to cooperate with the second assembly buckle.

7. The pull-out assist structure according to claim 5, characterized in that, It also includes: The second guide post is disposed on one of the extensions of the extension unit and is located in front of the second engaging unit; The second guide groove is disposed on another extension of the extension unit and is used to cooperate with the second guide post.

8. The pull-out assist structure according to claim 1, characterized in that, The limiting unit includes: Two limiting ribs are disposed on the outer circumferential surface of the front end of the tail sleeve and are distributed radially along the tail sleeve; the arrangement directions of the two limiting ribs, the arrangement directions of the outer shell and the tail sleeve, and the arrangement directions of the two auxiliary shells are all perpendicular to each other.

9. An MPO connector, characterized in that, It includes the pull-out assist structure as described in any one of claims 1-8, and further includes a connector body, wherein a third engaging unit is provided on the connector body, the third engaging unit being used for detachably engaging with the first engaging unit.

10. The MPO connector according to claim 9, characterized in that, The connector body includes: Outer shell; An inner shell is disposed within the outer shell body, and both its front and rear ends extend outside the outer shell body; The tail sleeve is located on the rear side of the outer shell body and is connected to the inner shell; The third engagement unit includes: The first protrusion is disposed on the outer shell body; The second latching protrusion is disposed on the inner shell and located outside the outer shell body; when the first latching unit is engaged with the third latching unit, both the first latching protrusion and the second latching protrusion are located inside the first latching unit and are in contact with the first latching unit.

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