CN2869896Y - Optical-fiber input coupling device - Google Patents
Optical-fiber input coupling device Download PDFInfo
- Publication number
- CN2869896Y CN2869896Y CN 200520099577 CN200520099577U CN2869896Y CN 2869896 Y CN2869896 Y CN 2869896Y CN 200520099577 CN200520099577 CN 200520099577 CN 200520099577 U CN200520099577 U CN 200520099577U CN 2869896 Y CN2869896 Y CN 2869896Y
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- cylinder base
- optical fiber
- mirror
- head screw
- fillister head
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Abstract
The utility model relates to an optical fiber input coupling device, the device comprises lens sleeve (1), screwing cover (2), fixing sleeve (5), focus lens (6), coupling seat (8), insert barrel seat (9), second cylindrical head screw (12). The right part of lens sleeve (1) is arranged in lens sleeve cavity (15), the focus lens (6) is arranged in the lens cavity (14) of the lens sleeve (1), the lens sleeve (1) is provided with external thread, the screwing cover (2) is arranged at the left part of the lens sleeve (1) and mated with the thread of lens sleeve (1), the left part of the insert barrel seat (9) is arranged in the insert barrel seat cavity (16) of the coupling seat (8), the inner diameter of the insert barrel seat cavity (16) is 2-5mm more than the left part of insert barrel seat (9), the insert barrel seat (9) is connected with the coupling seat (8) by radial adjustment mechanism, the insert barrel seat (9) is provided with an optical fiber plug cavity (18), the optical axis of the focus lens (6) has the same axis as the center axis of optical fiber plug cavity (18). The utility has the advantages of high accuracy laser input, convenient adjustment, sensibility, reliable lock, and play and plug.
Description
Technical field
The utility model belongs to the Laser Transmission technical field, is specifically related to a kind of laser input coupling device.
Background technology
Laser line focus mirror is laggard goes into optical fiber, satisfy two conditions: 1, the need with a tight waist behind the laser focusing drop on (spacing that is the end face of focus lamp and optical fiber needs axially to adjust) on the end face of optical fiber, and 2, the optical axis and the shaft axis of optic fibre of laser need coaxial (being that optical fiber needs radially adjustment).Existing optical fiber input coupling device is to realize axial adjustment by moving fiber, and the axial adjustment precision is not high; And radially adjust inconvenient; This class device still can not be realized plug and play.
Summary of the invention
The purpose of this utility model is to provide the high optical fiber of a kind of accuracy to import coupling device.
To achieve these goals, the technical solution of the utility model is: optical fiber input coupling device, it is characterized in that it comprises mirror cover 1, spiral cover 2, fixed cover 5, focus lamp 6, coupling seat 8, insert cylinder base 9, second fillister head screw 12, left part is a mirror mantle cavity 15 in the coupling seat 8, right part is for inserting cylinder base chamber 16 in the coupling seat 8, mirror mantle cavity 15 communicates with slotting cylinder base chamber 16, the coupling seat 8 at mirror mantle cavity 15 places is provided with the second fillister head screw sliding tray 13, the left part of coupling seat 8 is provided with spacing circumferential groove, the right part of mirror cover 1 is positioned at mirror mantle cavity 15, second fillister head screw 12 passes the second fillister head screw sliding tray 13 fixedlys connected with the right part of mirror cover 1, focus lamp 6 is positioned at the mirror chamber 14 of mirror cover 1 and overlaps 1 with mirror fixedlys connected, mirror cover 1 is provided with external thread, spiral cover 2 is provided with mirror and overlaps the internal thread that 1 external thread matches, spiral cover 2 is enclosed within the left part and the threads engaged of mirror cover 1, and fixed cover 5 is positioned at the spacing circumferential groove in left part of coupling seat 8, and spiral cover 2 is fixedlyed connected with fixed cover 5; The left part of inserting cylinder base 9 is positioned at the slotting cylinder base chamber 16 of coupling seat 8, and the internal diameter of inserting cylinder base chamber 16 is greater than the external diameter 2-5mm that inserts cylinder base 9 left parts, inserts cylinder base 9 and coupling seat 8 and is linked to each other by adjusting mechanism radially, is provided with Optical fiber plug chamber 18 in the slotting cylinder base 9; The spigot shaft coaxle in the optical axis of focus lamp 6 and Optical fiber plug chamber 18.
Radially adjusting mechanism comprises flush end holding screw 20, support spring 23, pressing plate 24, the 5th fillister head screw 25, end gland 10, be respectively equipped with two flush end set screw hole on the coupling seat 8 at slotting 16 places, cylinder base chamber, two support spring epicoeles 26 also are arranged at an angle of 90 mutually, two support spring epicoeles 26 are adjacent, flush end holding screw 20 screws in the flush end set screw hole and contacts with slotting cylinder base 9, insert cylinder base 9 and be provided with two support spring cavity of resorptions 22, two support spring cavity of resorptions 22 are arranged at an angle of 90 also adjacent, support spring 23 is positioned at support spring cavity of resorption 22, in the support spring epicoele 26, support spring epicoele 26 places are provided with pressing plate 24, and pressing plate 24 is fixedlyed connected with coupling seat 8 by the 5th fillister head screw 25; End gland 10 middle parts are provided with the hole, insert the external diameter of the left part external diameter of cylinder base 9 greater than the middle part, and end gland 10 is enclosed within the middle part of inserting cylinder base 9 by mider hole, and end gland 10 is fixedlyed connected with coupling seat 8, and the middle aperture of end gland 10 is greater than the middle part external diameter 2-5mm that inserts cylinder base 9.
The utility model adopts said structure, and rotation spiral cover 2 drives mirror cover 1 and moves axially, and fixedlys connected because of focus lamp 6 and mirror overlap 1, and therefore, focus lamp 6 can be done axial adjustment, adopts screw thread that focus lamp 6 is axially adjusted, its axial adjustment precision, highly sensitive; Be provided with 13 of the second fillister head screw sliding trays and move axially position-limiting action.Optic fibre input end is fixed on the Optical fiber plug, in the tight Optical fiber plug chamber 18 of inserting in the cylinder base 9 of Optical fiber plug, adopts Optical fiber plug chamber 18 (inserted modes), its interchangeability strong (Optical fiber plug); Adopt inserting cylinder base 9 and coupling seat 8 is linked to each other by adjusting mechanism radially, rotation flush end holding screw 20 can be adjusted slotting cylinder base 9 and move radially, and drives Optical fiber plug and moves radially, be that optic fibre input end is realized radially adjusting, reach the purpose that laser beam waist drops on end centre of optic fibre; The internal diameter of inserting cylinder base chamber 16 is promptly radially adjusted spacing greater than the external diameter 2-5mm that inserts cylinder base 9 left parts.The utility model is inserted the required radiai adjustment of mobile realization of cylinder base by the required axial adjustment of mobile realization of focus lamp, laser input accuracy height.Insert the Optical fiber plug chamber 18 of cylinder base 9 and realize plug and play, regulate sensitivity with cooperating of Optical fiber plug, the precision height, easy to use.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the cut-open view of Fig. 1 along the C-C line
Fig. 3 is the cut-open view of Fig. 2 along the B-B line
Fig. 4 is the cut-open view of Fig. 2 along the A-A line
Fig. 5 is the structural representation that the utility model matches with the plug and play Optical fiber plug
Among the figure: 1-mirror cover, 2-spiral cover, 3-eyeglass trim ring, 4-packing ring, the 5-fixed cover, 6-focus lamp, 7-bracing frame, 8-coupling seat, 9-inserts cylinder base, and 10-holds gland, 11-first fillister head screw, 12-second fillister head screw, the 13-second fillister head screw sliding tray, 14-mirror chamber, 15-mirror mantle cavity, 16-inserts the cylinder base chamber, 17-three cylindrical head screw, 18-Optical fiber plug chamber, 19-nut, 20-flush end holding screw, 21-the 4th fillister head screw, 22-support spring cavity of resorption, 23-support spring, the 24-pressing plate, 25-the 5th fillister head screw, 26-support spring epicoele, the 27-displacement aperture, 28-the 6th fillister head screw, 29-plug and play Optical fiber plug, the 30-straight pin, 31-knurled nut, 32-optical fiber.
Embodiment
As Fig. 1, shown in Figure 2, optical fiber input coupling device, it comprises mirror cover 1, spiral cover 2, fixed cover 5, focus lamp 6, coupling seat 8, insert cylinder base 9, second fillister head screw 12, left part is a mirror mantle cavity 15 in the coupling seat 8, right part is for inserting cylinder base chamber 16 in the coupling seat 8, mirror mantle cavity 15 communicates with slotting cylinder base chamber 16, the coupling seat 8 at mirror mantle cavity 15 places is provided with the second fillister head screw sliding tray 13 (rise and move axially position-limiting action), the left part of coupling seat 8 is provided with spacing circumferential groove, the right part of mirror cover 1 is positioned at mirror mantle cavity 15, the external diameter and mirror mantle cavity 15 internal diameters corresponding (slidably) of mirror cover 1, second fillister head screw 12 passes the second fillister head screw sliding tray 13 fixedlys connected with the right part of mirror cover 1, focus lamp 6 is positioned at the mirror chamber 14 of mirror cover 1 and overlaps 1 with mirror fixedlys connected that (focus lamp 6 is by eyeglass trim ring 3, packing ring 4 overlaps 1 with mirror fixedlys connected), mirror cover 1 is provided with external thread, spiral cover 2 is provided with mirror and overlaps the internal thread that 1 external thread matches, spiral cover 2 is enclosed within the left part and the threads engaged of mirror cover 1, fixed cover 5 is positioned at the spacing circumferential groove in left part of coupling seat 8, spiral cover 2 is fixedlyed connected (fixedly connected by first fillister head screw 11 with fixed cover 5, spiral cover 2 can only rotate, and can not move axially; Described fixed cover 5 is made up of the two halves annular lamina, respectively be provided with two first fillister head screw holes on the two halves annular lamina, spiral cover 2 is provided with and fixed cover 5 corresponding screw holes, during installation, earlier the semicircular sheet is stuck in the spacing circumferential groove, fixedlyed connected with fixed cover 5 by spiral cover 2 then, fixed cover 5 adopts the two halves annular lamina, and is easy for installation); The left part of inserting cylinder base 9 is positioned at the slotting cylinder base chamber 16 of coupling seat 8, the internal diameter of inserting cylinder base chamber 16 is greater than the external diameter 2-5mm that inserts cylinder base 9 left parts, inserting cylinder base 9 and coupling seat 8 is linked to each other by adjusting mechanism radially, insert in the cylinder base 9 and be provided with Optical fiber plug chamber 18, its diameter cooperates with Optical fiber plug main body (seeing the plug and play Optical fiber plug) left part external diameter; Described slotting cylinder base 9 right parts are provided with external thread, insert cylinder base 9 right-hand members and are provided with the cylinder cotter way, play with Optical fiber plug being connected and fixed effect.The spigot shaft coaxle in the optical axis of focus lamp 6 and Optical fiber plug chamber 18.
Radially adjusting mechanism comprises flush end holding screw 20, support spring 23, pressing plate 24, the 5th fillister head screw 25, end gland 10, insert and to be respectively equipped with two flush end set screw hole, two support spring epicoeles 26 on the coupling seat 8 at 16 places, cylinder base chamber and to be arranged at an angle of 90 mutually, two support spring epicoeles 26 are adjacent, flush end holding screw 20 screw-in flush end set screw hole contact with slotting cylinder base 9, and (be rotary with nut 19 on the described flush end holding screw 20, nut 19 has locking effect.), insert cylinder base 9 and be provided with two support spring cavity of resorptions 22, two support spring cavity of resorptions 22 are arranged at an angle of 90 also adjacent, support spring 23 is positioned at support spring cavity of resorption 22, support spring epicoele 26, support spring epicoele 26 places are provided with pressing plate 24, pressing plate 24 by the 5th fillister head screw 25 fixedly connected with coupling seat 8 (pressing plate 24 play a part the retaining support spring 23, the shape size of pressing plate 24 is greater than support spring epicoele 26, the outside of support spring epicoele 26, pressing plate 24 is fixedlyed connected with coupling seat 8 by the 5th fillister head screw 25.); End gland 10 middle parts are provided with the hole, insert the external diameter of the left part external diameter of cylinder base 9 greater than the middle part, end gland 10 is enclosed within the middle part of inserting cylinder base 9 by mider hole, end gland 10 is fixedlyed connected with coupling seat 8 (fixedly connected by three cylindrical head screw 17), and the middle aperture of end gland 10 is greater than the middle part external diameter 2-5mm that inserts cylinder base 9 (inserting cylinder base 9 can move radially).
As Fig. 2, shown in Figure 3, described coupling seat 8 is fixedlyed connected with bracing frame 7 by the 4th fillister head screw 21.
As shown in Figure 4, end gland 10 is provided with displacement aperture 27, insert cylinder base 9 and be provided with the 6th fillister head screw hole with displacement aperture 27 opposite positions of holding gland 10, the aperture of displacement aperture 27 is greater than the external diameter 2-5mm of the 6th fillister head screw 28, and the 6th fillister head screw 28 passes displacement aperture 27 and screws in the 6th fillister head screw hole.After radially adjusting, screw the 6th fillister head screw 28, have locking effect.
As shown in Figure 5, the cylindrical of the left part of plug and play Optical fiber plug 29 is coaxial with Optical fiber plug chamber 18, the internal diameter in the external diameter of the left part of plug and play Optical fiber plug 29 and Optical fiber plug chamber 18 is corresponding, the left part of plug and play Optical fiber plug 29 inserts in the Optical fiber plug chamber 18, straight pin 30 matches with the cylinder cotter way (preventing 29 rotations of plug and play Optical fiber plug), and knurled nut 31 internal thread cooperates and be threaded (fastening effect) with the external thread of slotting cylinder base 9 right parts.
During work, unclamp second fillister head screw 12, rotate spiral cover 2, drive 1 (with focus lamp 6) of mirror cover to move axially, realize the adjustment of the spacing of laser beam waist and fiber end face, after adjusting, tighten second fillister head screw 12, mirror is overlapped 1 fastening.Unclamp the 6th fillister head screw 28 and nut 19, rotate flush end holding screw 20, adjust and insert cylinder base 9, make the axis in Optical fiber plug chamber 18 and the optical axis coincidence of focus lamp 6, thereby realize the adjustment that laser beam waist overlaps with the center of fiber end face.After the adjustment, fastening nut 19 and the 6th fillister head screw 28 are with locking.
Claims (7)
1. optical fiber is imported coupling device, it is characterized in that it comprises mirror cover (1), spiral cover (2), fixed cover (5), focus lamp (6), coupling seat (8), insert cylinder base (9), second fillister head screw (12), the interior left part of coupling seat (8) is mirror mantle cavity (15), the interior right part of coupling seat (8) is for inserting cylinder base chamber (16), mirror mantle cavity (15) communicates with slotting cylinder base chamber (16), the coupling seat (8) that mirror mantle cavity (15) is located is provided with the second fillister head screw sliding tray (13), the left part of coupling seat (8) is provided with spacing circumferential groove, the right part of mirror cover (1) is positioned at mirror mantle cavity (15), second fillister head screw (12) passes the second fillister head screw sliding tray (13) fixedlys connected with the right part of mirror cover (1), focus lamp (6) is positioned at the mirror chamber (14) of mirror cover (1) and fixedlys connected with mirror cover (1), mirror cover (1) is provided with external thread, spiral cover (2) is provided with the internal thread that matches with mirror cover (1) external thread, spiral cover (2) is enclosed within the left part and the threads engaged of mirror cover (1), fixed cover (5) is positioned at the spacing circumferential groove in left part of coupling seat (8), and spiral cover (2) is fixedlyed connected with fixed cover (5); The left part of inserting cylinder base (9) is positioned at the slotting cylinder base chamber (16) of coupling seat (8), the internal diameter of inserting cylinder base chamber (16) is greater than the external diameter 2-5mm that inserts cylinder base (9) left part, inserting cylinder base (9) and coupling seat (8) is linked to each other by adjusting mechanism radially, insert in the cylinder base (9) and be provided with Optical fiber plug chamber (18), the spigot shaft coaxle of the optical axis of focus lamp (6) and Optical fiber plug chamber (18).
2. optical fiber input coupling device according to claim 1, it is characterized in that: described radially adjusting mechanism comprises flush end holding screw (20), support spring (23), pressing plate (24), the 5th fillister head screw (25), end gland (10), insert on the coupling seat of locating in cylinder base chamber (16) (8) and be respectively equipped with two flush end set screw hole, two support spring epicoeles (26) also are arranged at an angle of 90 mutually, two support spring epicoeles (26) are adjacent, flush end holding screw (20) screws in the flush end set screw hole and contacts with slotting cylinder base (9), insert cylinder base (9) and be provided with two support spring cavity of resorptions (22), two support spring cavity of resorptions (22) are arranged at an angle of 90 and are adjacent, support spring (23) is positioned at support spring cavity of resorption (22), in the support spring epicoele (26), support spring epicoele (26) locates to be provided with pressing plate (24), and pressing plate (24) is fixedlyed connected with coupling seat (8) by the 5th fillister head screw (25); End gland (10) middle part is provided with the hole, insert the external diameter of the left part external diameter of cylinder base (9) greater than the middle part, end gland (10) is enclosed within the middle part of slotting cylinder base (9) by mider hole, end gland (10) is fixedlyed connected with coupling seat (8), and the middle aperture of end gland (10) is greater than the middle part external diameter 2-5mm that inserts cylinder base (9).
3. optical fiber input coupling device according to claim 2, it is characterized in that: described end gland (10) is provided with displacement aperture (27), insert cylinder base (9) and be provided with the 6th fillister head screw hole with displacement aperture (27) opposite position of holding gland (10), the aperture of displacement aperture (27) is greater than the external diameter 2-5mm of the 6th fillister head screw 28, and the 6th fillister head screw (28) passes displacement aperture (27) and screws in the 6th fillister head screw hole.
4. optical fiber input coupling device according to claim 1, it is characterized in that: described fixed cover (5) is made up of the two halves annular lamina, respectively is provided with two first fillister head screw holes on the two halves annular lamina.
5. optical fiber input coupling device according to claim 2 is characterized in that: be rotary with nut (19) on the described flush end holding screw (20).
6. optical fiber input coupling device according to claim 1, it is characterized in that: described slotting cylinder base (9) right part is provided with external thread, inserts cylinder base (9) right-hand member and is provided with the cylinder cotter way.
7. optical fiber input coupling device according to claim 1, it is characterized in that: described coupling seat (8) is fixedlyed connected with bracing frame (7) by the 4th fillister head screw (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520099577 CN2869896Y (en) | 2005-12-22 | 2005-12-22 | Optical-fiber input coupling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520099577 CN2869896Y (en) | 2005-12-22 | 2005-12-22 | Optical-fiber input coupling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2869896Y true CN2869896Y (en) | 2007-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520099577 Expired - Fee Related CN2869896Y (en) | 2005-12-22 | 2005-12-22 | Optical-fiber input coupling device |
Country Status (1)
| Country | Link |
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| CN (1) | CN2869896Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590958A (en) * | 2012-03-13 | 2012-07-18 | 武汉理工大学 | Transmission collimation device for optical fiber rotation signal |
| CN107065077A (en) * | 2017-03-16 | 2017-08-18 | 精微视达医疗科技（武汉）有限公司 | A kind of fiber bundle coupling device of auto-focusing positioning |
| CN107192405A (en) * | 2017-07-07 | 2017-09-22 | 西安北方光电科技防务有限公司 | Bindiny mechanism and spin stabilization method for photovoltaic spin test device |
-
2005
- 2005-12-22 CN CN 200520099577 patent/CN2869896Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590958A (en) * | 2012-03-13 | 2012-07-18 | 武汉理工大学 | Transmission collimation device for optical fiber rotation signal |
| CN107065077A (en) * | 2017-03-16 | 2017-08-18 | 精微视达医疗科技（武汉）有限公司 | A kind of fiber bundle coupling device of auto-focusing positioning |
| CN107065077B (en) * | 2017-03-16 | 2019-11-05 | 精微视达医疗科技（武汉）有限公司 | A kind of fiber bundle coupling device of auto-focusing positioning |
| CN107192405A (en) * | 2017-07-07 | 2017-09-22 | 西安北方光电科技防务有限公司 | Bindiny mechanism and spin stabilization method for photovoltaic spin test device |
| CN107192405B (en) * | 2017-07-07 | 2023-10-31 | 西安北方光电科技防务有限公司 | Connection mechanism for photoelectric product rotation inspection device and rotation stabilization method |
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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 |