CN112540432A - LC type fiber connector with protective housing - Google Patents

LC type fiber connector with protective housing Download PDF

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Publication number
CN112540432A
CN112540432A CN202011532214.5A CN202011532214A CN112540432A CN 112540432 A CN112540432 A CN 112540432A CN 202011532214 A CN202011532214 A CN 202011532214A CN 112540432 A CN112540432 A CN 112540432A
Authority
CN
China
Prior art keywords
optical fiber
fiber head
fixing seat
head fixing
protective housing
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.)
Pending
Application number
CN202011532214.5A
Other languages
Chinese (zh)
Inventor
叶佩缇
谢文婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Sun Rise Exact Industrial Co ltd
Original Assignee
Ningbo Sun Rise Exact Industrial Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningbo Sun Rise Exact Industrial Co ltd filed Critical Ningbo Sun Rise Exact Industrial Co ltd
Priority to CN202011532214.5A priority Critical patent/CN112540432A/en
Publication of CN112540432A publication Critical patent/CN112540432A/en
Pending legal-status Critical Current

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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
    • 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
    • G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
    • G02B6/3826—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape
    • G02B6/3831—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape comprising a keying element on the plug or adapter, e.g. to forbid wrong connection
    • 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
    • G02B6/3887—Anchoring optical cables to connector housings, e.g. strain relief features
    • 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
    • G02B6/3891—Bayonet type

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Abstract

The invention discloses an LC type optical fiber connector with a protective shell, which comprises a shell, wherein an optical fiber head fixing seat is arranged in the shell, one end of the optical fiber head fixing seat is provided with a pair of optical fiber head mounting grooves side by side, a standard optical fiber head extending out of one end of the optical fiber head fixing seat is arranged in the optical fiber head mounting groove, a gland is arranged at the upper part of one end of the optical fiber head fixing seat and presses the standard optical fiber head in the optical fiber head mounting groove, one end of the gland is provided with a limiting extension part extending outwards and presses an unlocking pressing sheet at the upper side of the standard optical fiber head, and a cable connected with the standard optical fiber head penetrates into the optical fiber head fixing seat. The invention can be assembled with a standard LC optical fiber head component, and has simple production and high part compatibility.

Description

LC type fiber connector with protective housing
Technical Field
The invention relates to the field of optical fiber network plugs, in particular to an LC type optical fiber connector with a protective shell.
Background
With the development of digital audio and video, the field of optical cable flowing wiring application is wider and wider, most of the internal structures of optical fiber plugs for performance at present adopt interfaces or components which are not standard and specially made, the structures are firm and reliable, but once problems occur and maintenance is needed, the optical fiber plugs need to be sent back to an original factory for maintenance, the use cost is higher, the optical fiber plugs are not standard interfaces, corresponding sockets cannot be compatible with standard connectors for emergency plug matching, and the universality is low.
If the standard optical fiber head with the shell is simply connected into the socket, the upper side of the standard LC optical fiber head is provided with an unlocking pressing sheet, and if the unlocking pressing sheet is not removed, the unlocking pressing sheet can be locked with the socket when the standard optical fiber head and the shell are inserted together, so that the standard optical fiber head cannot be unlocked and clamped on the socket.
Disclosure of Invention
The invention provides an LC type optical fiber connector with a protective shell, which can be assembled with a standard LC optical fiber component and has the advantages of shell protection, convenience in maintenance and high universality.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a LC type fiber connector with protecting sheathing, includes the casing, the internally mounted of casing have the optical fiber head fixing base, the one end of optical fiber head fixing base be provided with a pair of optical fiber head mounting groove side by side, the optical fiber head mounting groove in install the standard optical fiber head that stretches out from optical fiber head fixing base one end, the one end upper portion of optical fiber head fixing base be provided with the gland, the gland push down the standard optical fiber head in the optical fiber head mounting groove, the cooperation through optical fiber head mounting groove and gland in the optical fiber head fixing base can be fixed the standard optical fiber head omnidirectionally, and the operation is very simple moreover, puts into the optical fiber head mounting groove with standard optical fiber head, detain the gland can, the unable problem with the assembly of standard optical fiber head of optical network plug among the prior art has been solved to this kind of structure, the assembly is also.
Furthermore, the one end of gland be provided with the spacing extension of outside extension, spacing extension push down the unblock preforming of standard optical fiber head upside, can make the unblock preforming be in the state of pushing down through spacing extension, can not lock with the network socket, avoided needing to cut the operation of unblock preforming, if need lock with the unblock preforming then can cut spacing extension, make the use of optical network plug more nimble.
The optical fiber head fixing seat is in two-way communication, a cable connected with the standard optical fiber head penetrates into the optical fiber head fixing seat, and therefore the cable can penetrate into the optical fiber head fixing seat from the other end and is connected with the standard optical fiber head.
Preferably, the middle part of one end of the optical fiber head fixing seat is vertically provided with a partition plate, the two sides of the partition plate form optical fiber head mounting grooves, the partition plate is inserted into the jack in the middle of the gland for fixing, the problem of forming the optical fiber head mounting grooves is solved through the partition plate, and the problem of fast mounting and fixing of the gland is also solved.
Preferably, the two ends of the upper side of the partition plate are provided with the wedge-shaped buckling blocks, the wedge-shaped buckling blocks are in interference fit with the two ends of the insertion hole in the gland, the gland can be installed quickly through the wedge-shaped buckling blocks, and other fasteners are not needed.
Preferably, the lateral walls of the two sides of the optical fiber head mounting groove are relatively provided with vertical protruding strips, the vertical protruding strips are connected with slots on the outer side of the standard optical fiber head in an inserting mode, and the standard optical fiber head can be rapidly limited in the horizontal direction.
Preferably, the outer side of the lock catch inner shell is sleeved with an unlocking sleeve capable of axially sliding.
Preferably, the other end of the optical fiber head fixing seat is axially inserted with a wire clamping sleeve, one end of the wire clamping sleeve clamps one end of the tail sleeve outside the cable, the wire pulling prevention function is achieved, and the cable is protected.
Preferably, the other end side wall of the optical fiber head fixing seat is relatively provided with a pair of limiting grooves, the side wall of one end of the wire clamping sleeve is provided with a protruding portion matched with the limiting grooves, the protruding portion is connected with the limiting grooves in an inserting mode, the wire clamping sleeve has an anti-rotation effect, and the rotation of a cable is prevented from driving the wire clamping sleeve to rotate.
Preferably, the width of the limiting grooves arranged oppositely is different, so that the wire clamping sleeve can only be inserted into the optical fiber head fixing seat in a certain direction, and the mistake proofing function is realized.
Preferably, the outer side of the tail sleeve side is provided with a step, the step is axially abutted against the inner side wall of the shell, the tail sleeve can be axially limited, and the anti-pulling effect is further achieved.
Compared with the prior art, the invention has the beneficial effects that:
(1) the standard optical fiber head can be fixed in all directions through the matching of the optical fiber head mounting groove in the optical fiber head fixing seat and the gland, the operation is very simple, the standard optical fiber head is placed into the optical fiber head mounting groove, and the gland is buckled, so that the problem that the optical fiber network plug cannot be assembled with the standard optical fiber head in the prior art is solved, the assembly is very easy, the maintenance is simple, the factory return maintenance is not needed, and the standard LC optical fiber head can be spliced with a standard network socket after being adopted, so that the universality is greatly improved;
(2) the one end of gland is provided with the spacing extension of outside extension, spacing extension push down the unblock preforming of standard optical fiber head upside, can make the unblock preforming be in the state of pushing down through spacing extension, can not lock with the network socket, avoided the operation that needs cut the unblock preforming, if need lock with the unblock preforming then can cut spacing extension, make the use of optical network plug more nimble.
Drawings
FIG. 1 is a front view structural diagram of the present invention;
FIG. 2 is a front view of a half section of the present invention;
FIG. 3 is a partial perspective view of the present invention;
FIG. 4 is a partial perspective view of the present invention;
fig. 5 is a three-dimensional structure view of the optical fiber head holder according to the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-5, the present invention relates to an LC type optical fiber connector with a protective housing, which includes a housing 1, wherein an optical fiber head fixing seat 4 is installed inside the housing 1, a pair of optical fiber head installation grooves 15 are arranged at one end of the optical fiber head fixing seat 4 side by side, a standard optical fiber head 5 extending from one end of the optical fiber head fixing seat 4 is installed in the optical fiber head installation groove 15, a pressing cover 11 is arranged at an upper portion of one end of the optical fiber head fixing seat 4, and the pressing cover 11 presses the standard optical fiber head 5 in the optical fiber head installation groove 15.
The cooperation through optic fibre head mounting groove 15 and gland 11 in the optic fibre head fixing base 4 can be fixed standard optical fibre head 5 omnidirectionally, and the operation is very simple moreover, puts into optic fibre head mounting groove 15 with standard optical fibre head 5, detains gland 11 can, and the unable problem with the unable and standard optical fibre head 5 assembly of optical network plug among the prior art has been solved to this kind of structure, and the assembly is also very easy.
Furthermore, one end of the gland 11 is provided with a limiting extension part 12 extending outwards, the limiting extension part 12 presses down an unlocking pressing sheet 17 on the upper side of the standard optical fiber head 5, the unlocking pressing sheet 17 can be in a pressing-down state through the limiting extension part 12 and cannot be locked with a network socket, the operation that the unlocking pressing sheet 17 needs to be cut off is avoided, if the unlocking pressing sheet 17 needs to be used for locking, the limiting extension part 12 can be cut off, and the optical fiber network plug is more flexible to use.
The optical fiber head fixing seat 4 is in two-way communication, a cable 9 connected with the standard optical fiber head 5 penetrates into the optical fiber head fixing seat 4, and therefore the cable 9 can penetrate into the optical fiber head fixing seat from the other end to be connected with the standard optical fiber head 5.
As a preferred technical scheme, as shown in fig. 3-4, the middle of one end of the optical fiber head fixing seat 4 is vertically provided with a partition plate 10, the two sides of the partition plate 10 form optical fiber head mounting grooves 15, the partition plate 10 is inserted into the jack in the middle of the gland 11 to be fixed, the problem of forming the optical fiber head mounting grooves 15 and the problem of quick mounting and fixing of the gland 11 are solved through the partition plate 10, meanwhile, wedge-shaped buckling blocks 14 are arranged at the two ends of the upper side of the partition plate 10, the wedge-shaped buckling blocks 14 are in interference fit with the two ends of the jack on the gland 11, when the gland 11 is mounted, the partition plate 10 can play a role in connection and guiding, the gland 11 can be mounted quickly through the wedge-shaped buckling blocks 14 without other fasteners, and the installation is very convenient.
If the standard optical fiber head 5 is damaged, the gland 11 can be forcibly detached to replace the standard optical fiber head 5, and then the partition plate 10 and the gland 11 are fixedly connected together in an ultrasonic welding mode.
In order to carry out spacing to standard optical fiber head 5 on the horizontal direction, the both sides lateral wall of optical fiber head mounting groove 15 on be provided with vertical sand grip 16 relatively, vertical sand grip 16 peg graft mutually with the slot in the 5 outsides of standard optical fiber head, can carry out the spacing of horizontal direction to standard optical fiber head 5 fast.
As an unblock mode of the optical network plug of this patent application, the hasp inner shell 3 of 1 one end of casing, but the outside of hasp inner shell 3 cup joint axially sliding's unlocking sleeve 2, can make the profile on the hasp inner shell 3 retract through sliding unlocking sleeve 2, realize with network socket's unblock, the unblock preforming 17 of standard optic fibre head 5 upside need be in the state of pushing down when adopting this kind of mode.
In order to protect the cable 9, the other end of the optical fiber head fixing seat 4 is axially inserted with the cable clamping sleeve 6, one end of the cable clamping sleeve 6 clamps one end of the tail sleeve 7 on the outer side of the cable 9, the cable pulling prevention effect is achieved, and the cable is protected.
As a preferable scheme, as shown in fig. 5, a pair of limiting grooves 18 is relatively arranged on the side wall of the other end of the optical fiber head fixing seat 4, a protruding portion matched with the limiting grooves 18 is arranged on the side wall of one end of the wire clamping sleeve 6, the protruding portion is inserted into the limiting grooves 18, and the wire clamping sleeve 6 has an anti-rotation function, so that the rotation of a cable is prevented from driving the wire clamping sleeve 6 to rotate.
Wherein, the width of the spacing groove 18 that sets up relatively is different, makes like this that the trapping mechanism 6 can only insert in the optical fiber head fixing base 4 according to certain direction, has the function of mistake proofing.
The lateral outer side of the tail sleeve 7 is provided with a step 8, the step 8 is axially abutted to the inner side wall of the shell 1, the tail sleeve 7 can be axially limited, and the anti-pulling effect is further achieved.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (9)

1. An LC-type optical fiber connector with a protective housing, comprising a housing (1), characterized in that, an optical fiber head fixing seat (4) is arranged in the shell (1), one end of the optical fiber head fixing seat (4) is provided with a pair of optical fiber head mounting grooves (15) side by side, a standard optical fiber head (5) extending out of one end of the optical fiber head fixing seat (4) is arranged in the optical fiber head mounting groove (15), a gland (11) is arranged at the upper part of one end of the optical fiber head fixing seat (4), the gland (11) presses the standard optical fiber head (5) in the optical fiber head mounting groove (15), one end of the gland (11) is provided with a limiting extension part (12) which extends outwards, the limiting extension part (12) presses down an unlocking pressing sheet (17) on the upper side of the standard optical fiber head (5), and a cable (9) connected with the standard optical fiber head (5) penetrates into the optical fiber head fixing seat (4).
2. The LC-type fiber optic connector with protective housing of claim 1, wherein: the optical fiber head fixing seat is characterized in that a partition plate (10) is vertically arranged in the middle of one end of the optical fiber head fixing seat (4), optical fiber head mounting grooves (15) are formed in two sides of the partition plate (10), and the partition plate (10) is inserted into a jack in the middle of the gland (11) to be fixed.
3. The LC-type fiber optic connector with protective housing of claim 1, wherein: the two ends of the upper side of the partition plate (10) are provided with wedge-shaped buckling blocks (14), and the wedge-shaped buckling blocks (14) are in interference fit with the two ends of the insertion hole in the gland (11).
4. The LC-type fiber optic connector with protective housing of claim 2, wherein: the optical fiber head mounting groove is characterized in that vertical protruding strips (16) are oppositely arranged on the side walls of the two sides of the optical fiber head mounting groove (15), and the vertical protruding strips (16) are connected with slots in the outer side of the standard optical fiber head (5) in an inserting mode.
5. The LC-type fiber optic connector with protective housing of claim 1, wherein: the lock catch is characterized in that the lock catch inner shell (3) is arranged at one end of the shell (1), and the outer side of the lock catch inner shell (3) is sleeved with the unlocking sleeve (2) capable of axially sliding.
6. The LC-type fiber optic connector with protective housing of claim 1, wherein: the optical fiber head fixing seat is characterized in that a wire clamping sleeve (6) is axially inserted into the other end of the optical fiber head fixing seat (4), and one end of the wire clamping sleeve (6) clamps one end of a tail sleeve (7) on the outer side of a cable (9).
7. The LC-type fiber optic connector with protective housing of claim 6, wherein: the optical fiber head fixing seat is characterized in that a pair of limiting grooves (18) are oppositely formed in the side wall of the other end of the optical fiber head fixing seat (4), protruding portions matched with the limiting grooves (18) are arranged on the side wall of one end of the wire clamping sleeve (6), and the protruding portions are connected with the limiting grooves (18) in an inserting mode.
8. The LC-type fiber optic connector with protective housing of claim 7, wherein: the width of the limiting grooves (18) arranged oppositely is different.
9. The LC-type fiber optic connector with protective housing of claim 6, wherein: the outer side of the tail sleeve (7) side is provided with a step (8), and the step (8) is axially abutted against the inner side wall of the shell (1).
CN202011532214.5A 2020-12-23 2020-12-23 LC type fiber connector with protective housing Pending CN112540432A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011532214.5A CN112540432A (en) 2020-12-23 2020-12-23 LC type fiber connector with protective housing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011532214.5A CN112540432A (en) 2020-12-23 2020-12-23 LC type fiber connector with protective housing

Publications (1)

Publication Number Publication Date
CN112540432A true CN112540432A (en) 2021-03-23

Family

ID=75017492

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011532214.5A Pending CN112540432A (en) 2020-12-23 2020-12-23 LC type fiber connector with protective housing

Country Status (1)

Country Link
CN (1) CN112540432A (en)

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