CN2869897Y - Plug-and-use optical fiber plug - Google Patents
Plug-and-use optical fiber plug Download PDFInfo
- Publication number
- CN2869897Y CN2869897Y CN 200520099579 CN200520099579U CN2869897Y CN 2869897 Y CN2869897 Y CN 2869897Y CN 200520099579 CN200520099579 CN 200520099579 CN 200520099579 U CN200520099579 U CN 200520099579U CN 2869897 Y CN2869897 Y CN 2869897Y
- Authority
- CN
- China
- Prior art keywords
- plug
- optical fiber
- plug body
- hole
- fibre clip
- 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.)
- Expired - Fee Related
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- Mechanical Coupling Of Light Guides (AREA)
Abstract
The utility model relates to an optical fiber PNP plug. The plug comprises an optical fiber locating head (6), a first fastening screw (8), an optical fiber clip (11), a plug body (13), a clamping cap (14) and a plug upper sleeve (15). The right part of the optical fiber locating head (6) is located in the locating head cavity (22), the optical fiber clip (11) is thread connected with the plug body (13), and the right part of the optical fiber is composed of 3-4 taper blades, the left of the clamping cap (14) is screwed into the optical fiber clip cavity (21) and thread connected with the plug body (13). The optical fiber perforation and taper cavity of the clamping cap (14), the optical fiber perforation of the optical fiber clip (11), the locating head cavity (22) of the plug body (13), and the optical fiber locating perforation of the optical locating head (6) have the same center axis line, the locating perforation of the optical fiber locating head (6) has the same center axis line as the external circle at the left part of the plug body (13). The utility model has the advantages of PNP, convenient optical fiber assembly and recovery.
Description
Technical field
The utility model relates to a kind of Optical fiber plug that laser is used that transmits.
Background technology
Existing Optical fiber plug adopts optical fiber front end and metallic plug bonding agent cemented in place and clamping, and location axial and radially is all inaccurate, lacks interchangeability, can't realize plug and play; And it is unreliable to clamp.The design that has has other clamp system, but the detent mechanism right alignment of this mechanism and optical fiber is bad, easily makes fibre strain.When fiber end face damages, need and will destroy with the bonding metallic plug of optical fiber front end, cause waste; And assembling, reparation are also inconvenient.
Summary of the invention
The purpose of this utility model is to provide a kind of assembling, repairs plug and play Optical fiber plug easily.
To achieve these goals, the technical solution of the utility model is: the plug and play Optical fiber plug, it is characterized in that it comprises fiber orientation 6, first holding screw 8, fibre clip 11, plug body 13, clamping cap 14, overlap 15 on the plug, left part is provided with location head cavity 22 in the plug body 13, right part is provided with fibre clip chamber 21 in the plug body 13, location head cavity 22 communicates with fibre clip chamber 21, the right part of fiber orientation 6 is positioned at location head cavity 22, fiber orientation 6 is fixedlyed connected with plug body 13 by first holding screw 8, fiber orientation 6 an interior left end are provided with the fiber orientation hole, and right-hand member is provided with the optical fiber through hole; 21 places, fibre clip chamber of plug body 13 are provided with internal thread, the left part of fibre clip 11 is provided with the external thread that the internal thread with 21 places, fibre clip chamber of plug body 13 matches, fibre clip 11 is positioned at fibre clip chamber 21, the left part of fibre clip 11 is threaded with plug body 13, the right part of fibre clip 11 is made of 3-4 sheet taper leaf lobe, is provided with the optical fiber through hole in the fibre clip 11; The left part of clamping cap 14 is provided with the external thread that the internal thread with 21 places, fibre clip chamber of plug body 13 matches, right part in the clamping cap 14 is the optical fiber through hole, be provided with the identical conical cavity of tapered direction in the left part of clamping cap 14 with taper leaf lobe, and be nested with the taper leaf lobe of fibre clip 11, the left part of clamping cap 14 screws in fibre clip chamber 21 and is threaded with plug body 13, and conical cavity communicates with the right part optical fiber through hole of clamping cap 14; The right part of plug body 13 is provided with external thread, and cover is provided with lock chambers 19 and is provided with internal thread in 15 on the plug, and the right part that cover 15 left parts by its lock chambers 19 are enclosed within plug body 13 on the plug is threaded; Fiber orientation hole, the concentricity axis of optical fiber through hole of the optical fiber through hole of the optical fiber through hole of clamping cap 14 and conical cavity, fibre clip 11, the location head cavity 22 of plug body 13, fibre clip chamber 21, fiber orientation 6; The fiber orientation hole of fiber orientation 6 and the concentricity axis of cylindrical of plug body 13 left parts.
The utility model adopts said structure, when optical fiber is installed, at first screw off on protective sleeve 1, the plug and overlap 15, unscrew the 4th holding screw 17, clamping cap 14, optical fiber 7 passes on the plug optical fiber through hole of the location head cavity 22, fiber orientation 6 of optical fiber through hole, the plug body 13 of the optical fiber through hole of lock chambers 19, clamping cap 14 of cover 15 and conical cavity, fibre clip 11, by the taper hole of its left part guiding, enter very little fiber orientation hole, gap easily, its optic fibre end is exposed to outside the fiber orientation 6; Clockwise rotate clamping cap 14 (clamping cap 14 is moved to the left), force the taper leaf lobe of fibre clip 11 to shrink grip optical fibers 7, make optical fiber 7 fixing, screw the 4th holding screw 17; Metal hose 16 is enclosed within the right part of cover 15 on the plug, and cover 15 screws in the right part of plug body 13 on the plug, screws the 3rd holding screw 20, screws in the 5th holding screw 18 and makes metal hose 16 fixing.
When the damage of the termination of optical fiber 7 needs to change, screw out the 5th holding screw 18, the 3rd holding screw 20, metal hose 16 can be extracted out, screws off to overlap 15 on the plug; Unscrew the 4th holding screw 17, inhour is rotated clamping cap 14 (clamping cap 14 moves right), and fibre clip 11 taper leaf lobes open, and optical fiber 7 is released, and optical fiber 7 can be extracted out; Cut off the optic fibre end of damage, insert again after the reparation.Compared with prior art, the utility model optical fiber assembling, reparation are conveniently.The utility model adopts the concentricity axis in fiber orientation hole of the location head cavity 22, fiber orientation 6 of optical fiber through hole, the plug body 13 of the optical fiber through hole of clamping cap 14 and conical cavity, fibre clip 11; The fiber orientation hole of fiber orientation 6 and the concentricity axis of cylindrical of plug body 13 left parts, fiber orientation precision height, interchangeability is strong.Fiber end face to the axial location locating device (see figure 3) of the left side of the shoulder of plug body 13 guarantees its precision and interchangeability.The utility model adopts fibre clip 11, clamping cap 14 structures, same axis clamping, and optical fiber is not crooked, reliable clamping.During the optical fiber assembling, there are fiber orientation 6 an interior taper hole to lead, easy to assembly.When the optical fiber of not packing into input coupling device 23, the use of optical fiber output coupling device 27 (see figure 2)s, screw on protective sleeve 1.
The utility model adopts protective sleeve 1, bayonet cap 2, works to protect fiber orientation 6, optical fiber 7.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is an application synoptic diagram of the present utility model
Fig. 3 is the structural representation of fiber end face to the axial location locating device of the left side of the shoulder of plug body 13
Among the figure: 1-protective sleeve, 2-bayonet cap, 3-glass protection sheet, 4-packing ring; the 5-trim ring, 6-fiber orientation head, 7-optical fiber; 8-first holding screw, 9-knurled nut, 10-straight pin; the 11-fibre clip, 12-second holding screw, 13-plug body; the 14-clamping cap overlaps on the 15-plug, the 16-metal hose; 17-the 4th holding screw, 18-the 5th holding screw, 19-lock chambers; 20-the 3rd holding screw, 21-fibre clip chamber, 22-locatees head cavity; 23-optical fiber input coupling device, 24-inserts cylinder base, 25-plug and play Optical fiber plug; 26-Optical fiber plug seat, 27-optical fiber output coupling device, 28-shoulder; the 29-positioning chamber, 30-locatees main body, 31-location-plate.
Embodiment
As shown in Figure 1, the plug and play Optical fiber plug, it comprises fiber orientation 6, first holding screw 8, fibre clip 11, plug body 13, clamping cap 14, overlap 15 on the plug, left part is provided with location head cavity 22 in the plug body 13, right part is provided with fibre clip chamber 21 in the plug body 13, location head cavity 22 communicates with fibre clip chamber 21, the right part of fiber orientation 6 is positioned at location head cavity 22 (using cone match), fiber orientation 6 is fixedlyed connected with plug body 13 by first holding screw 8, fiber orientation 6 an interior left part are provided with the fiber orientation hole, right part is provided with the optical fiber through hole, and optical fiber through hole left part is provided with taper hole left small and right large; 21 places, fibre clip chamber of plug body 13 are provided with internal thread, the left part of fibre clip 11 is provided with the external thread that the internal thread with 21 places, fibre clip chamber of plug body 13 matches, fibre clip 11 is positioned at fibre clip chamber 21, the left part of fibre clip 11 is threaded with plug body 13, the left part of fibre clip 11 is fastening with plug body 13 by second holding screw 12, the right part of fibre clip 11 is made of 3-4 sheet taper leaf lobe, is provided with the optical fiber through hole in the fibre clip 11; The left part of clamping cap 14 is provided with the external thread that the internal thread with 21 places, fibre clip chamber of plug body 13 matches, right part in the clamping cap 14 is the optical fiber through hole, be provided with the conical cavity identical in the left part of clamping cap 14 and be nested with the taper leaf lobe of fibre clip 11 with the tapered direction of taper leaf lobe, the left part of clamping cap 14 screws in fibre clip chamber 21 and is threaded with plug body 13, and fastening with the 4th holding screw 17, conical cavity communicates with the right part optical fiber through hole of clamping cap 14; The right part of plug body 13 is provided with external thread, be provided with lock chambers 19 and be provided with internal thread in the cover 15 on the plug, the right part that cover 15 left parts by its lock chambers 19 are enclosed within plug body 13 on the plug is threaded, and cover 15 is fastening with plug body 13 by the 3rd holding screw 20 on the plug; Fiber orientation hole, the concentricity axis of optical fiber through hole of the optical fiber through hole of the optical fiber through hole of clamping cap 14 and conical cavity, fibre clip 11, the location head cavity 22 of plug body 13, fiber orientation 6; The fiber orientation hole of fiber orientation 6 and the concentricity axis of cylindrical of plug body 13 left parts.
The left end of described plug body 13 is provided with external thread; bayonet cap 2 is provided with the internal thread that matches with plug body 13 left end external threads; the right part of bayonet cap 2 is spun on the left end of plug body 13 and is threaded; locate with the face of cylinder; in the bayonet cap 2 is through hole, is provided with glass protection sheet 3, packing ring 4, trim ring 5 in the through hole of bayonet cap 2 successively.
The right part external diameter of described clamping cap 14 is corresponding with the internal diameter of the metal hose 16 of bag optical fiber, and the right part of cover 15 is provided with a metal hose fixed orifice on the plug, and the 5th holding screw 18 screws in the metal hose fixed orifice.During use, metal hose 16 inserts the right part of cover 15 on the plug, screws in the 5th holding screw 18 and makes metal hose 16 fixing; Screw out the 5th holding screw 18, metal hose 16 can be extracted out.
The middle part of described plug body 13 is provided with shoulder, and the external diameter of shoulder is greater than the external diameter of plug body 13 left parts.Left part is provided with internal thread in the knurled nut 9, and right part is a cylindrical hole.Knurled nut 9 is enclosed within the middle part of plug body 13 from right to left, until being blocked by the shoulder right side.Near the shoulder left side, radially be provided with a straight pin at plug body 13 left parts.In the protective sleeve 1 is open cavity, and its open cavity internal diameter is corresponding with the external diameter of the left part of plug body 13, and the openend of protective sleeve 1 is provided with and the corresponding external thread of knurled nut 9 internal thread, and is provided with width and the corresponding groove of straight pin diameter.When Optical fiber plug is unkitted into optical fiber input coupling device, optical fiber output coupling device; be protection, the Optical fiber plug of keeping a public place clean; protective sleeve 1 is enclosed within the left part of Optical fiber plug main body 13; its openend is close to the left side of the shoulder of plug body 13; straight pin on the plug body 13 is fallen in the groove of openend, knurled nut 9 is tightened in (external thread of protective sleeve 1 matches with knurled nut's 9 internal threads and is threaded on the external thread of protective sleeve 1 openend.)。
As shown in Figure 2, the application of plug and play Optical fiber plug is provided with the Optical fiber plug chamber in the slotting cylinder base 24 of optical fiber input coupling device 23, and the right part of inserting cylinder base 24 is provided with external thread, and the right-hand member of inserting cylinder base 24 is provided with the cylinder cotter way.The Optical fiber plug chamber of the cylindrical of the left part of plug and play Optical fiber plug 25 and slotting cylinder base 24 is concentricity the axle, the internal diameter in the external diameter of the left part of plug and play Optical fiber plug 25 and Optical fiber plug chamber is corresponding, the left part of plug and play Optical fiber plug 25 inserts in the Optical fiber plug chamber, straight pin matches with the cylinder cotter way (preventing 25 rotations of plug and play Optical fiber plug), and knurled nut's internal thread cooperates and be threaded (fastening effect) with the external thread of slotting cylinder base 24 right parts.The Optical fiber plug seat 26 of optical fiber output coupling device 27, Optical fiber plug seat 26 is provided with the Optical fiber plug hole, and the Optical fiber plug hole cooperates with the external diameter of the left part of plug and play Optical fiber plug 25.
As shown in Figure 3, fiber end face is to the axial location location of the left side of the shoulder 28 of plug body 13: be provided with pilot hole in the main body 30 of location, the top of location-plate 31 is positioned at pilot hole, hole between the upper surface of location-plate 31 to the upper surface of locating main body 30 constitutes positioning chamber 29, and the upper surface of location-plate 31 is provided with taper hole.The left side of shoulder 28 contacts with the upper surface of location main body 30, adjust fiber lengths, fiber end face is contacted with the taper hole of the upper surface of location-plate 31, like this, the fiber end face of all plug and play Optical fiber plugs 25 to the axial location of the left side of the shoulder 28 of plug body 13 is certain (identical), guarantees its precision and interchangeability.The left side of the left side of shoulder 28 is called the left part of plug body 13, and during application, the left side of shoulder 28 contacts with the right side of slotting cylinder base 24.
Claims (9)
1. plug and play Optical fiber plug, it is characterized in that it comprises fiber orientation head (6), first holding screw (8), fibre clip (11), plug body (13), clamping cap (14), cover (15) on the plug, the interior left part of plug body (13) is provided with location head cavity (22), the interior right part of plug body (13) is provided with fibre clip chamber (21), location head cavity (22) communicates with fibre clip chamber (21), the right part of fiber orientation head (6) is positioned at location head cavity (22), fiber orientation head (6) is fixedlyed connected with plug body (13) by first holding screw (8), is provided with fiber orientation hole and optical fiber through hole in the fiber orientation head (6); Internal thread is located to be provided with in the fibre clip chamber (21) of plug body (13), the left part of fibre clip (11) is provided with the external thread that the internal thread located in the fibre clip chamber (21) with plug body (13) matches, fibre clip (11) is positioned at fibre clip chamber (21), the left part of fibre clip (11) is threaded with plug body (13), the right part of fibre clip (11) is made of 3-4 sheet taper leaf lobe, and fibre clip is provided with the optical fiber through hole in (11); The left part of clamping cap (14) is provided with the external thread that the internal thread located in the fibre clip chamber (21) with plug body (13) matches, right part in the clamping cap (14) is the optical fiber through hole, be provided with the conical cavity identical in the left part of clamping cap (14) and be nested with the taper leaf lobe of fibre clip (11) with the tapered direction of taper leaf lobe, the left part of clamping cap (14) screws in fibre clip chamber (21) and is threaded with plug body (13), and conical cavity communicates with the right part optical fiber through hole of clamping cap (14); The right part of plug body (13) is provided with external thread, and cover is provided with lock chambers (19) and is provided with internal thread in (15) on the plug, and cover (15) is threaded by the right part that the left part of its lock chambers (19) is enclosed within plug body (13) on the plug; The location head cavity (22) of the optical fiber through hole of the optical fiber through hole of clamping cap (14) and conical cavity, fibre clip (11), plug body (13), the fiber orientation hole of fiber orientation head (6) and the concentricity axis of optical fiber through hole; The concentricity axis of cylindrical of the fiber orientation hole of fiber orientation head (6) and plug body (13) left part.
2. plug and play Optical fiber plug according to claim 1 is characterized in that: the optical fiber through hole left part of fiber orientation head (6) is provided with taper hole left small and right large.
3. plug and play Optical fiber plug according to claim 1 is characterized in that: the left part of fibre clip (11) is fastening by second holding screw (12) and plug body (13).
4. plug and play Optical fiber plug according to claim 1 is characterized in that: the left part of clamping cap (14) and plug body (13) are fastening by the 4th holding screw (17).
5. plug and play Optical fiber plug according to claim 1 is characterized in that: cover (15) is fastening by the 3rd holding screw (20) and plug body (13) on the plug.
6. plug and play Optical fiber plug according to claim 1; it is characterized in that: the left end of described plug body (13) is provided with external thread; bayonet cap (2) is provided with the internal thread that matches with plug body (13) left end external thread; the right part of bayonet cap (2) is spun on the left end of plug body (13) and is threaded; in the bayonet cap (2) is through hole, is provided with glass protection sheet (3), packing ring (4), trim ring (5) in the through hole of bayonet cap (2) successively.
7. plug and play Optical fiber plug according to claim 1, it is characterized in that: the right part external diameter of described clamping cap (14) is corresponding with the internal diameter of the metal hose (16) of bag optical fiber, the right part of cover (15) is provided with a metal hose fixed orifice on the plug, and the 5th holding screw (18) screws in the metal hose fixed orifice.
8. plug and play Optical fiber plug according to claim 1, it is characterized in that: the middle part of described plug body (13) is provided with external thread, the shoulder external diameter at the middle part of plug body (13) is greater than the left part external diameter of plug body (13), and knurled nut (9) is enclosed within the middle part of plug body (13).
9. plug and play Optical fiber plug according to claim 1; it is characterized in that: the left part of described plug body (13) is with a protective sleeve (1); the openend of protective sleeve (1) has cotter way and is provided with external thread, and the external thread of protective sleeve (1) matches with knurled nut (9) internal thread and is threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520099579 CN2869897Y (en) | 2005-12-22 | 2005-12-22 | Plug-and-use optical fiber plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520099579 CN2869897Y (en) | 2005-12-22 | 2005-12-22 | Plug-and-use optical fiber plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2869897Y true CN2869897Y (en) | 2007-02-14 |
Family
ID=37724837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520099579 Expired - Fee Related CN2869897Y (en) | 2005-12-22 | 2005-12-22 | Plug-and-use optical fiber plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2869897Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561260B (en) * | 2008-04-16 | 2011-04-20 | 周其 | Optical fibre end face surveymeter |
-
2005
- 2005-12-22 CN CN 200520099579 patent/CN2869897Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561260B (en) * | 2008-04-16 | 2011-04-20 | 周其 | Optical fibre end face surveymeter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070214 Termination date: 20121222 |