CN216411647U

CN216411647U - MT optical fiber connector

Info

Publication number: CN216411647U
Application number: CN202123309990.1U
Authority: CN
Inventors: 蒲江; 韩刚
Original assignee: Sichuan Huafeng Technology Co Ltd
Current assignee: Sichuan Huafeng Technology Co Ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-04-29
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses an MT optical fiber connector which comprises a socket, a plug and an MT contact element, wherein the MT contact element comprises a tail fiber a and a tail fiber b, a plurality of tail fibers a are installed in the socket, a plurality of tail fibers b are elastically installed in the plug, the socket is in plug-in fit with the plug, and the tail fibers a are connected with the corresponding tail fibers b. The utility model has the beneficial effects that: the optical path communication can be realized after one-time assembly is finished, and the conventional optical fiber connector does not need to be provided with MT tail fibers to form MPO (maximum output power) and then connected by an adapter.

Description

MT optical fiber connector

Technical Field

The utility model relates to an optical fiber connector, in particular to an MT optical fiber connector.

Background

With the rapid development of the optical communication industry and the high density requirement for optical signal transmission, the MT contact connector is widely used. In the prior art, the MT contact is externally matched with a plastic shell to be made into a standard MPO interface, and the MT contact has the advantages of small size and convenience in opposite insertion. However, for complex application environments, it is often necessary to fix the MT contact on the panel to prevent it from swinging in an operating environment, and in the prior art, the MT contact is usually made into an MPO interface, and then the MPO connector is connected with an adapter, and then the adapter is locked on the panel, so as to achieve the purpose; the method has three defects that the MT cable is complex to replace firstly, a plurality of assembly parts are used secondly, and MPO is required to be manufactured firstly; the third assembly and disassembly are all in the horizontal direction, and the assembly in narrow space is not favorable.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to overcome the disadvantages of the prior art and to provide an MT fiber optic connector.

The purpose of the utility model is realized by the following technical scheme: the MT optical fiber connector comprises a socket, a plug and an MT contact element, wherein the MT contact element comprises a tail fiber a and a tail fiber b, a plurality of tail fibers a are installed in the socket, a plurality of tail fibers b are elastically installed in the plug, the socket is in plug-in fit with the plug, and the tail fibers a are connected with the corresponding tail fibers b.

Optionally, the socket includes a socket housing, the right-hand member of the socket housing is the grafting end, and the grafting end has seted up the jack, a plurality of ladder through-holes a have been seted up to the bottom of jack, tail optical fiber a's grafting end has spacing step a, and clamp plate a is installed to the left end face of socket, and tail optical fiber a's grafting end is installed in the jack, and just spacing step a is under clamp plate a's the effect of resisting the tight power down with the step butt of ladder through-hole a.

Optionally, the plug includes first casing, the left end face of first casing is provided with the plug, a plurality of ladder through-holes b have been seted up on the first casing, clamp plate b has been seted up to the right-hand member face of first casing, tail optical fiber b's grafting end has spacing step b and spring, tail optical fiber a's grafting end is installed in ladder through-hole b, and the one end and the clamp plate b butt of spring, spacing step b under the effect of the elastic restoring force of spring with the step face butt of ladder through-hole b, after plug and jack cooperation, tail optical fiber a and tail optical fiber b are connected.

Optionally, the socket housing is provided with a locking plate for locking the socket and the plug.

Optionally, the cardboard is U type structure, and two arms of cardboard are the locking arm, have seted up two slots on the upper surface of seat casing, and two slots distribute around being, and slot and jack intercommunication have seted up the locking groove on the wall of both sides around the plug-in, and the locking arm inserts from the slot, and locking arm and slot cooperation.

Optionally, a plurality of arc-shaped latch teeth are arranged on the left side wall of the locking arm, the arc-shaped latch teeth are distributed in a ladder shape, and an arc-shaped clamping groove matched with the arc-shaped latch teeth is arranged on the left side wall of the locking groove.

Optionally, a sunk groove is formed in the seat shell, the slots are located in the sunk groove, the seat shell between the two slots forms a limiting plate, and the top of the clamping plate is locked with the limiting plate through the locking piece.

Optionally, a seat bottom plate is arranged at the bottom of the seat shell, and a plurality of mounting holes are formed in the seat shell.

The utility model has the following advantages:

1. the optical path communication can be realized after one-time assembly is finished, and the conventional optical fiber connector does not need to be provided with MT tail fibers to form MPO (maximum output power) and then connected by an adapter.

2. The MT tail fiber can be assembled and disassembled quickly, and the integral maintenance of the optical fiber connecting system is facilitated.

3. The connecting system has few parts and can effectively reduce the cost.

4. The use of narrow space, vertical locking avoids the problem that the space occupied is dismantled to traditional horizontal direction.

Drawings

FIG. 1 is a schematic view of the structure of the present invention

FIG. 2 is a schematic structural diagram of the present invention

FIG. 3 is a schematic cross-sectional view of A-A in FIG. 2

FIG. 4 is a schematic view of a seat housing

FIG. 5 is a schematic view of the step via hole a

FIG. 6 is a schematic view of the structure of the plug

FIG. 7 is a schematic view of the step via hole b

FIG. 8 is a schematic view of a card

FIG. 9 is a schematic view of the structure of an MT contact

In the figure, 10-socket, 20-plug, 30-clamping plate, 40-clamping plate a, 50-clamping plate b, 60-MT contact element, 70-spring, 11-seat shell, 12-seat bottom plate, 13-step through hole a, 14-slot, 15-limiting plate, 16-sink groove, 17-jack, 31-locking arm, 32-arc clamping tooth, 33-disassembly groove, 21-head shell, 22-insertion head, 23-locking groove, 24-arc clamping groove, 25-step through hole b, 61-tail fiber a, 62-tail fiber b, 63-limiting step a, 64-limiting step b.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in a figure, it need not be further defined and explained in the figures following the left.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, an MT optical fiber connector, as shown in fig. 1 to 3, includes a receptacle 10, a plug 20, and an MT contact 60, as shown in fig. 9, the MT contact 60 includes a pigtail a61 and a pigtail b62, the pigtail a61 and the pigtail b62 are commercially available products, a plurality of pigtails a61 are installed in the receptacle 10, a plurality of pigtails b62 are installed in the plug 20 elastically, the receptacle 10 and the plug 20 are in plug-in fit, and the pigtail a61 is connected with a corresponding pigtail b62, in this embodiment, as shown in fig. 4 and 5, the receptacle 10 includes a receptacle housing 11, the right end of the receptacle housing 11 is a plug end, and the plug end is provided with a jack 17, the bottom of the jack 17 is provided with a13, the plug end of the pigtail a61 has a limit step a63, the left end surface of the receptacle 10 is provided with a pressing plate a40, the plug end of the pigtail a61 is installed in a corresponding step through hole a13, and the plug end of the pigtail a61 abuts against a step 3964 and abuts against the pressing plate 38, when the tail fiber a61 is installed, the tail fiber a61 is inserted from the left end of the socket 10, the large hole of the step through hole a13 is located on the left side, the small hole of the step through hole a13 is located on the right side, and after the tail fiber a61 is installed in the step through hole a13, the pressure plate a40 is installed on the left end face of the socket shell 11, preferably, the pressure plate a40 is fixed with the left end face of the socket shell 11 through a locking screw, and after the pressure plate a40 is locked, the pressure plate a40 abuts the limiting step a63 on the step face of the step through hole a13, so that the installation of the tail fiber a61 is realized.

In this embodiment, as shown in fig. 6 and 7, the plug 20 includes a header housing 21, an insertion head 22 is disposed on a left end surface of the header housing 21, the insertion head 22 is in insertion fit with the insertion hole 17, a plurality of step through holes b25 are disposed on the header housing 21, a pressing plate b50 is disposed on a right end surface of the header housing 21, an insertion end of a pigtail b62 has a limit step b64 and a spring 70, a commercially available pigtail b62 is provided with the spring 70, an insertion end of a pigtail b62 is installed in the step through hole b25, one end of the spring 70 abuts against the pressing plate b50, the limit step b64 abuts against a step surface of the step through hole b25 under the elastic restoring force of the spring 70, after the insertion head 22 is in insertion fit with the insertion hole 17, the pigtail a61 is connected with the pigtail b62, when the pigtail b62 is installed, the tail b62 is inserted from a right side of the header housing 21, then the pressing plate b50 is installed on a right end surface of the header housing 21, and the pressing plate b50 is also installed with a locking screw, when the pressing plate b50 is locked, the spring 70 is under compression, and the limit step b64 is abutted against the step surface of the step through hole b25 under the elastic restoring force of the spring 70.

In this embodiment, the socket housing 11 is provided with a clamping plate 30 for locking the socket 10 and the plug 20, further, as shown in fig. 8, the clamping plate 30 is a U-shaped structure, two arms of the clamping plate 30 are locking arms 31, the upper surface of the socket housing 11 is provided with two slots 14, the two slots 14 are distributed in a front-back manner, the slots 14 are communicated with the insertion holes 17, the front-back side walls of the insertion head 22 are provided with locking grooves 23, the locking arms 31 are inserted from the slots 14, the locking arms 31 are matched with the slots 14, the left side wall of the locking arms 31 is provided with a plurality of arc-shaped latches 32, the plurality of arc-shaped latches 32 are distributed in a ladder-like manner, the left side wall of the locking grooves 23 is provided with arc-shaped slots 24 matched with the arc-shaped latches 32, when the tail fiber a61 is assembled in the socket 10 and the tail fiber b62 is assembled in the plug 20, the socket 10 and the plug 20 are inserted into each other, so that the insertion head 22 of the plug 20 is inserted into the insertion hole 17, after the plug 22 is inserted into the insertion hole 17, the plug 20 and the socket 10 are primarily connected, and the pigtail a61 and the pigtail b62 are also primarily connected, at this time, the locking arm 31 of the card 30 is inserted into the corresponding slot 14, during the insertion process of the locking arm 31, the arc-shaped latch 32 on the locking arm 31 presses the corresponding arc-shaped slot 24, so that the plug 20 moves toward the socket 10 again, after the card 30 is mounted in place, the arc-shaped latch 32 is matched with the corresponding arc-shaped slot 24, so as to lock the plug 20 and the socket 10, the pigtail a61 and the pigtail b62 are inserted in place, in order to facilitate the detachment of the card 30, the locking arm 31 of the card 30 is provided with the detachment slot 33, and after the card 30 is mounted, the detachment slot 33 is exposed, therefore, after only a special tool is needed to be inserted into the detachment slot 33, the card 30 can be detached, and the latch 32 is distributed in a ladder shape, thereby facilitating insertion and removal of the card 30.

In this embodiment, a sunken groove 16 has been seted up on the seat casing 11, and slot 14 is located sunken groove 16, and seat casing 11 between two slots 14 forms limiting plate 15, and retaining member and limiting plate 15 locking are passed through to the top of cardboard 30, and after cardboard 30 installed, cardboard 30 then is located sunken groove 16, and is preferred, and the top of cardboard 30 then flushes with the top of seat casing 11 to make this MT fiber connector's occupation space further reduce.

In this embodiment, a base plate 12 is disposed at the bottom of the base housing 11, a plurality of mounting holes are formed on the base housing 11, and the base plate 12 facilitates the mounting of the MT optical fiber connector and other devices.

Although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications of the embodiments and/or equivalent arrangements of some features may be made without departing from the spirit and scope of the utility model.

Claims

An MT optical fiber connector, characterized in that: including socket, plug and MT contact, the MT contact includes tail optical fiber a and tail optical fiber b, install a plurality ofly in the socket tail optical fiber a, elastic mounting has a plurality ofly in the plug tail optical fiber b, the socket with the cooperation is pegged graft to the plug, just tail optical fiber a with correspond tail optical fiber b connects.
2. The MT fiber optic connector of claim 1, wherein: the socket comprises a socket shell, the right end of the socket shell is a plug end, the plug end is provided with a jack, the bottom of the jack is provided with a plurality of step through holes a, the plug end of the tail fiber a is provided with a limiting step a, the left end face of the socket is provided with a pressing plate a, the plug end of the tail fiber a is installed in the jack, and the limiting step a is abutted to the step of the step through hole a under the action of the abutting force of the pressing plate a.
3. The MT fiber optic connector of claim 2, wherein: the plug comprises a head shell, an insertion head is arranged on the left end face of the head shell, a plurality of step through holes b are formed in the head shell, a pressing plate b is formed in the right end face of the head shell, a plug-in end of the tail fiber a is provided with a limiting step b and a spring, the plug-in end of the tail fiber b is installed in the step through holes b, one end of the spring is abutted to the pressing plate b, the limiting step b is abutted to the step face of the step through hole b under the action of elastic restoring force of the spring, and when the insertion head is in plug-in fit with the insertion hole, the tail fiber a is connected with the tail fiber b.
4. The MT fiber optic connector of claim 3, wherein: and the seat shell is provided with a locking socket and a clamping plate of the plug.
5. The MT fiber optic connector of claim 4, wherein: the clamping plate is of a U-shaped structure, two arms of the clamping plate are locking arms, two slots are formed in the upper surface of the seat shell, the two slots are distributed in the front and back direction and are communicated with the insertion holes, locking grooves are formed in the front side wall and the back side wall of the insertion head, the locking arms are inserted from the slots, and the locking arms are matched with the slots.
6. The MT fiber optic connector of claim 5, wherein: the left side wall of the locking arm is provided with a plurality of arc-shaped clamping teeth, the arc-shaped clamping teeth are distributed in a ladder shape, and the left side wall of the locking groove is provided with an arc-shaped clamping groove matched with the arc-shaped clamping teeth.
7. The MT fiber optic connector of claim 6, wherein: the seat shell is provided with a sinking groove, the slots are located in the sinking groove, the seat shell between the slots forms a limiting plate, and the top of the clamping plate is locked with the limiting plate through a locking piece.
8. The MT fiber optic connector of claim 7, wherein: the bottom of the seat shell is provided with a seat bottom plate, and the seat shell is provided with a plurality of mounting holes.