CN105607195B - A kind of connector shell and the optical fiber connector using the connector shell - Google Patents
A kind of connector shell and the optical fiber connector using the connector shell Download PDFInfo
- Publication number
- CN105607195B CN105607195B CN201610191632.XA CN201610191632A CN105607195B CN 105607195 B CN105607195 B CN 105607195B CN 201610191632 A CN201610191632 A CN 201610191632A CN 105607195 B CN105607195 B CN 105607195B
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- China
- Prior art keywords
- mounting hole
- connector
- screw
- contact pins
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
- G02B6/387—Connector plugs comprising two complementary members, e.g. shells, caps, covers, locked together
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
- G02B6/3878—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules comprising a plurality of ferrules, branching and break-out means
- G02B6/3879—Linking of individual connector plugs to an overconnector, e.g. using clamps, clips, common housings comprising several individual connector plugs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The present invention provides the optical fiber connectors of a kind of connector shell and the use connector shell, optical fiber connector includes connector shell and the MT contact pins in connector case body, the connector shell includes procapsid, procapsid is equipped with the mounting hole for being oriented to installation MT contact pins, and the rear end of procapsid is connected with the pressing plate for pushing up the spring in dress mounting hole.The mounting hole for installing MT contact pins is set to the procapsid being wholely set in this way, in processing mounting holes, benchmark is consistent, it ensure that the machining accuracy of mounting hole, also avoiding mounting hole simultaneously, by the forward and backward shell of two split settings to surround rigging error larger and increase the rigging error of MT contact pins, substantially increases the assembly precision of NT contact pins.
Description
Technical field
The present invention relates to the optical fiber connectors of a kind of connector shell and the use connector shell.
Background technology
Miniaturization, the integrated development trend for gradually becoming optical connector.As Authorization Notice No. be CN201373930Y,
Authorized announcement date be on December 30th, 2009 Chinese utility model patent disclose a kind of MT contact pins optical fiber connector and its
Connector shell.This optical fiber connector includes connector shell and the MT contact modules in connector case body,
MT contact modules include MT contact pins and the spring set on MT contact pin tail ends.Connector shell is made of forward and backward shell two parts,
It is equipped with the installation cavity being inserted into for the front end small end adaptation of MT contact pins in procapsid, the rear end big end with MT contact pins is equipped in back casing
It is adapted to the installation cavity being inserted into.When front and rear housings is connected by screw together, the installation of the installation cavity and back casing of procapsid
Chamber collectively forms pre-small post-large ladder square hole, and the step surface of the ladder square hole for carrying out MT contact pins in a forward direction
The installation cavity rear end of limit, back casing carries out block to the rear end of spring.
Peace of the connector shell of this optical fiber connector due to surrounding MT contact pins jointly using forward and backward shell split settings
It behave affectedly, in assembly, the alignment precision of forward and backward shell is often larger, this just directly affects the installation accuracy of MT contact pins, influences light
The using effect of fiber connector.
Invention content
The purpose of the present invention is to provide a kind of higher connector shells of MT contact pins assembly precision；Meanwhile the present invention is also
Provide a kind of optical fiber connector using the connector shell.
In order to solve the above-mentioned technical problem, connector shell of the invention adopts the following technical scheme that：A kind of connector case
Body, including procapsid, the procapsid are equipped with the mounting hole for being oriented to installation MT contact pins, the rear end connection of the procapsid
It is useful for the pressing plate of the spring in the dress mounting hole of top.
Rear enclosure is connected on rear side of the pressing plate, the endoporus of rear enclosure is formed for the optical cable for connecting MT contact pins from the front to the back
The rear end in the channel passed through, rear enclosure is equipped with welded part.
The pressing plate is equipped with threaded hole, and the external thread section spiral that rear enclosure is arranged by front end peripheral surface is assemblied in the spiral shell
In pit, the peripheral surface of the rear enclosure is also equipped with for the trailing flank block cooperation with pressing plate in the rear side of external thread section and is limited
The block convex edge of rear enclosure position.
The welded part includes being set in the rear end of rear enclosure and for coordinating the aramid fiber layer for compressing optical cable with rear enclosure
Preceding pressure welding case, the welded part further include be set in before pressure welding case rear end and be used for and preceding pressure welding case cooperation compress optical cable
Crust rear pressure welding case.
Lock-screw, the nut and spiral shell of the lock-screw are also equipped with by screw mounting hole on the connector shell
It is equipped with annular groove between line section, is equipped in screw mounting hole and stretches into the annular groove and in lock-screw when being moved forward and backward and annular groove
Turn edge of the front and rear sides cell wall block to avoid lock-screw from deviating from from screw mounting hole.
The optical fiber connector of the present invention adopts the following technical scheme that：A kind of optical fiber connector, including connector shell and
MT contact pins in connector case body, the connector shell include procapsid, and procapsid is equipped with guiding installation MT and inserts
The mounting hole of needle, the rear end of procapsid are connected with the pressing plate for pushing up the spring in dress mounting hole.
Rear enclosure is connected on rear side of the pressing plate, the endoporus of rear enclosure is formed for the optical cable for connecting MT contact pins from the front to the back
The rear end in the channel passed through, rear enclosure is equipped with welded part.
The pressing plate is equipped with threaded hole, and the external thread section spiral that rear enclosure is arranged by front end peripheral surface is assemblied in the spiral shell
In pit, the peripheral surface of the rear enclosure is also equipped with for the trailing flank block cooperation with pressing plate in the rear side of external thread section and is limited
The block convex edge of rear enclosure position.
The welded part includes being set in the rear end of rear enclosure and for coordinating the aramid fiber layer for compressing optical cable with rear enclosure
Preceding pressure welding case, the welded part further include be set in before pressure welding case rear end and be used for and preceding pressure welding case cooperation compress optical cable
Crust rear pressure welding case.
Lock-screw, the nut and spiral shell of the lock-screw are also equipped with by screw mounting hole on the connector shell
It is equipped with annular groove between line section, is equipped in screw mounting hole and coordinates with the annular groove and in lock-screw when being moved forward and backward and annular groove
Turn edge of the front and rear sides cell wall block to avoid lock-screw from deviating from from screw mounting hole.
The connector shell of the present invention includes procapsid, and procapsid is equipped with the mounting hole for being oriented to installation MT contact pins,
The mounting hole for installing MT contact pins is set to the procapsid being wholely set in this way, benchmark is consistent in processing mounting holes, protects
The machining accuracy of mounting hole has been demonstrate,proved, while having also avoided mounting hole and rigging error is surrounded by the forward and backward shell of two split settings
Rigging error that is larger and increasing MT contact pins, substantially increases the assembly precision of NT contact pins.In assembly, MT contact pins need to only be inserted
Pressing plate is installed in mounting hole, and in the rear end of procapsid, assembling process is simple.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment one of the optical fiber connector of the present invention；
Fig. 2 is the structural schematic diagram of MT contact modules in Fig. 1；
Fig. 3 is the structural schematic diagram of pin connector shell in Fig. 1；
Fig. 4 is the structural schematic diagram of plug pressing plate in Fig. 1；
Fig. 5 is the structural schematic diagram of rear enclosure in Fig. 1；
Fig. 6 is the structural schematic diagram of preceding pressure welding case in Fig. 1；
Fig. 7 is the structural schematic diagram of lock-screw in Fig. 1.
Specific implementation mode
The embodiment one of the optical fiber connector of the present invention：As shown in figs. 1-7, including connector shell 1 and mounted on connect
Connect the MT contact modules in device shell 1.
Specifically, the structure of connector shell 1 is as shown in figure 3, include rectangular body, being internally provided with for rectangular body is front and back
What is extended is oriented to the mounting hole 10 being packed into for the MT contact pins 4 for MT contact modules.Mounting hole 10 is pre-small post-large ladder
Square hole, the ladder square hole are just adapted to MT contact pins 4, and the cascaded surface and the front end big end of MT contact pins 4 and rear end of ladder square hole are small
Block coordinates step surface between end in a forward direction, to limit highest distance position of the MT contact pins in forward direction.
The rear end of rectangular body is connected with pressing plate 2 by screw 130.It is symmetrical above and below on pressing plate 2 to set there are two connecting hole 21,
Screw 130 passes through 21 spinning of connecting hole in the rear end of rectangular body.When MT contact modules are mounted in mounting hole 10, pressing plate
2 front end face withstands on the rear end of spring 40, in order to which MT contact pins 4 reset forward.In correspondence in mounting hole 10 on pressing plate 2
Medium position is equipped with the threaded hole 20 of front and back perforation, and threaded hole 20 is aligned with the endoporus of spring 40, and pressing plate 2 passes through the threaded hole 20
It is connected with rear enclosure 3.The structure of rear enclosure 3 is as shown in figure 5, include cylindrical body, the front end peripheral surface of cylindrical body is equipped with and spiral shell
The external thread section 31 that pit 20 is adapted to, rear end peripheral surface axially spaced-apart are equipped with multiple bulge loops 32, external thread section 31 and bulge loop 32 it
Between be equipped with block convex edge 30.Rear enclosure 3 by 31 spinning of external thread section on pressing plate 2 after, the leading flank and pressure of block convex edge 30
The trailing flank block cooperation of plate 2.
Pressure welding case 51 before the rear end of rear enclosure 3 is also arranged with.The structure of preceding pressure welding case 51 is as shown in fig. 6, big including front end
The path section of diameter section and rear end, preceding pressure welding case 51 are sleeved on the rear side of the block convex edge 30 of rear enclosure 3 by front end major diameter section.Preceding crimping
The periphery of the rear end path section of set 51 is also arranged with rear pressure welding case 52, and preceding pressure welding case 51 and rear pressure welding case 52 collectively form pressure contact portion
Part is used to the reinforcement structure of optical fiber such as aramid fiber layer and crust being pressed on rear enclosure 3.Specifically, in the present embodiment, preceding pressure
Female connector 51 cooperates with rear enclosure 3 and clamps the aramid fiber layer of optical cable, and the bulge loop 32 of 3 rear end peripheral surface setting of rear enclosure is exactly
In order to when before aramid fiber layer is clipped between pressure welding case 51 and rear enclosure 3, increase the friction between aramid fiber layer and rear enclosure 3
Power avoids aramid fiber layer from slipping；Pressure welding case 52 and preceding pressure welding case 51 cooperate and clamp the crust of optical cable afterwards, to real
The compression of existing optical cable reinforcement structure and rear enclosure connects.
When preceding pressure welding case 51 is set in the rear end of rear enclosure 3,51 rear end path section endoporus of preceding pressure welding case and 3 endoporus pair of rear enclosure
It should be connected to and penetrate through pressing plate 2 forward, the optical fiber in optical cable passes through preceding pressure welding case 51 and rear enclosure 3 and stretches into procapsid from back to front
It is connect with MT contact pins.
The periphery of the rectangular body of connector shell 1 is additionally provided with bulge loop 11, is fixed by fixed mounting hole 111 on bulge loop 11
Screw connection 110 equipped with front and back extension, screw connection 110 are equipped with the screw mounting hole of front and back extension, screw installation
It is equipped in hole for the lock-screw 120 with intermateable connector locking connection.Wherein, the structure of lock-screw 120 such as Fig. 7 institutes
Show, is correspondingly set in screw mounting hole equipped with annular groove 1202 between the nut of lock-screw 120 and 1201 and thread segment 1203
There is turn edge, the slot bottom of the centre bore and annular groove 1202 of the turn edge is slidably matched.Lock-screw 120 is front and back during locking
When mobile, turn edge can coordinate with the front and rear sides cell wall block of annular groove 1202 and lock-screw 120 is avoided to be installed from screw
Deviate from hole, such lock-screw 120 is movably connected on connector shell, when assembly need not again by lock-screw with connect
Mounting hole on device shell is attached, easy to use.
The optical fiber connector of the present invention further includes rubber tail sleeve 6.Rubber tail sleeve 6 is packed tightly in rear pressure welding case 52 and preceding pressure welding case
51 periphery and front end is bonded with the trailing flank of pressing plate 2, realizes sealing and protection to optical fiber connector tail portion optical cable.Connector
The front end of the rectangular body of shell 1 is additionally provided with two and is oriented to the pilot holes 100 that be directed ats with intermateable connector, there are two pilot holes and
It is symmetrically set in the both sides of mounting hole 10.When optical fiber connector is not used, in order to avoid dust debris are from the front end of mounting hole 10
It influences to use inside into connector, optical fiber connector further includes matching used dustproof cover 7.
In the embodiment one of above-mentioned optical fiber connector, rear enclosure is connected through a screw thread with pressing plate, in other embodiments, can
Screw connecting hole to be arranged on pressing plate, connecting flange is arranged in the front end of rear enclosure, and rear enclosure is connect by connecting flange with pressing plate, this
When, the threading channel that front and back perforation passes through for optical fiber need to be set at the position corresponding to the endoporus of rear enclosure on pressing plate.
In the embodiment one of above-mentioned optical fiber connector, welded part compresses optical cable by the cooperation of preceding pressure welding case and rear enclosure
Aramid fiber layer, rear pressure welding case and the cooperation of preceding pressure welding case compress the crust of optical cable, and in other embodiments, welded part can be with
Only include preceding pressure welding case, the aramid fiber layer and crust of optical cable can be with before being pressed between pressure welding case and rear enclosure, i.e. optical cable
Reinforcement structure is compressed by preceding pressure welding case and rear enclosure.
The embodiment of the connector shell of the present invention：Its concrete structure and the connection in the embodiment of above-mentioned optical fiber connector
Device shell structure is identical, and details are not described herein again.
Claims (8)
1. a kind of connector shell, which is characterized in that including rectangular body, rectangular body is internally provided with being used for for front and back extension
It is oriented to the mounting hole of installation MT contact pins, the rear end of rectangular body is connected with the pressing plate for pushing up the spring in dress mounting hole, installation
Hole is pre-small post-large ladder square hole, which is just adapted to MT contact pins, cascaded surface and the MT contact pins of ladder square hole
Block coordinates step surface between front end small end and rear end big end in a forward direction, and the periphery of rectangular body is equipped with bulge loop,
The front and back screw connection extended is fixed with by fixed mounting hole on bulge loop, screw connection is equipped with the spiral shell of front and back extension
Mounting hole is followed closely, is equipped in screw mounting hole for the lock-screw with intermateable connector locking connection, the nut of lock-screw
It is equipped with annular groove between thread segment, turn edge is equipped in screw mounting hole, the centre bore of the turn edge and the slot bottom of annular groove slide
Cooperation, lock-screw when being moved forward and backward during locking, turn edge can with the front and rear sides cell wall blocks cooperation of annular groove and
Lock-screw is avoided to deviate from from screw mounting hole, the front end of rectangular body is additionally provided with two and is used for and intermateable connector guiding pair
Accurate pilot hole, after installation, the front end of MT contact pins is located inside mounting hole, and the front end of rectangular body is also associated with for preventing
Dust debris enter the dustproof cover inside connector from the front end of mounting hole.
2. connector shell according to claim 1, which is characterized in that be connected with rear enclosure, rear enclosure on rear side of the pressing plate
Endoporus formed for the channel that passes through from the front to the back of optical cable for connecting MT contact pins, the rear end of rear enclosure is equipped with welded part.
3. connector shell according to claim 2, which is characterized in that the pressing plate is equipped with threaded hole, and rear enclosure passes through
The external thread section spiral of front end peripheral surface setting is assemblied in the threaded hole, and the peripheral surface of the rear enclosure is also in external thread section
Rear side is equipped with the block convex edge for coordinating and limiting rear enclosure position with the trailing flank block of pressing plate.
4. connector shell according to claim 2 or 3, which is characterized in that the welded part includes being set in rear enclosure
Rear end and for rear enclosure coordinate compress optical cable aramid fiber layer preceding pressure welding case, the welded part further includes being set in
The rear end of preceding pressure welding case and the rear pressure welding case for being used to coordinate with preceding pressure welding case the crust for compressing optical cable.
5. a kind of optical fiber connector, including connector shell and the MT contact pins in connector case body, which is characterized in that
The connector shell includes rectangular body, the installation for being internally provided with the front and back extension for being oriented to installation MT contact pins of rectangular body
Hole, the rear end of rectangular body are connected with the pressing plate for pushing up the spring in dress mounting hole, and mounting hole is pre-small post-large ladder side
Hole, the ladder square hole are just adapted to MT contact pins, the cascaded surface of ladder square hole and the front end small end of MT contact pins and rear end big end it
Between step surface block coordinates in a forward direction, the periphery of rectangular body is equipped with bulge loop, passes through fixed mounting hole on bulge loop
It is fixed with the front and back screw connection extended, screw connection is equipped with the screw mounting hole of front and back extension, screw mounting hole
In be equipped with for intermateable connector locking connection lock-screw, between the nut and thread segment of lock-screw be equipped with ring
Slot is equipped with turn edge in screw mounting hole, and the centre bore of the turn edge and the slot bottom of annular groove are slidably matched, and lock-screw is being locked
When being moved forward and backward in the process, turn edge can coordinate with the front and rear sides cell wall block of annular groove and lock-screw is avoided to pacify from screw
Dress is deviate from hole, and the front end of rectangular body is additionally provided with two for being oriented to the pilot hole being aligned, after installation, MT with intermateable connector
The front end of contact pin is located inside mounting hole, and the front end of rectangular body is also associated with for preventing dust debris before mounting hole
End enters the dustproof cover inside connector.
6. optical fiber connector according to claim 5, which is characterized in that be connected with rear enclosure, rear enclosure on rear side of the pressing plate
Endoporus formed for the channel that passes through from the front to the back of optical cable for connecting MT contact pins, the rear end of rear enclosure is equipped with welded part.
7. optical fiber connector according to claim 6, which is characterized in that the pressing plate is equipped with threaded hole, and rear enclosure passes through
The external thread section spiral of front end peripheral surface setting is assemblied in the threaded hole, and the peripheral surface of the rear enclosure is also in external thread section
Rear side is equipped with the block convex edge for coordinating and limiting rear enclosure position with the trailing flank block of pressing plate.
8. optical fiber connector according to claim 6, which is characterized in that the welded part includes after being set in rear enclosure
The preceding pressure welding case for the aramid fiber layer for compressing optical cable is held and is used to coordinate with rear enclosure, the welded part further includes being set in preceding pressure
The rear end of female connector and the rear pressure welding case for being used to coordinate with preceding pressure welding case the crust for compressing optical cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610191632.XA CN105607195B (en) | 2016-03-30 | 2016-03-30 | A kind of connector shell and the optical fiber connector using the connector shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610191632.XA CN105607195B (en) | 2016-03-30 | 2016-03-30 | A kind of connector shell and the optical fiber connector using the connector shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105607195A CN105607195A (en) | 2016-05-25 |
| CN105607195B true CN105607195B (en) | 2018-08-10 |
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ID=55987265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610191632.XA Active CN105607195B (en) | 2016-03-30 | 2016-03-30 | A kind of connector shell and the optical fiber connector using the connector shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105607195B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110611222B (en) * | 2018-09-29 | 2021-04-06 | 中航光电科技股份有限公司 | Rectangular connector and plug and socket thereof |
| CN111190254A (en) * | 2019-12-09 | 2020-05-22 | 中航光电科技股份有限公司 | Optical fiber connector and optical fiber contact member |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2229829B (en) * | 1989-03-31 | 1993-03-17 | Philips Nv | A connector for a fibre optic cable |
| CN201373930Y (en) * | 2009-01-20 | 2009-12-30 | 中航光电科技股份有限公司 | MT contact pin optical fiber connector and connector shell thereof |
| CN103399379A (en) * | 2013-08-15 | 2013-11-20 | 上海航天科工电器研究院有限公司 | Reinforced multicore optical fiber contact element |
| CN104238039B (en) * | 2014-09-29 | 2016-03-23 | 中航光电科技股份有限公司 | MT type optical fiber contact and use the optical connector of this contact element |
-
2016
- 2016-03-30 CN CN201610191632.XA patent/CN105607195B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105607195A (en) | 2016-05-25 |
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