CN208044131U - One kind can be with pinpoint fiber bundle coupling device - Google Patents
One kind can be with pinpoint fiber bundle coupling device Download PDFInfo
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- CN208044131U CN208044131U CN201820536760.8U CN201820536760U CN208044131U CN 208044131 U CN208044131 U CN 208044131U CN 201820536760 U CN201820536760 U CN 201820536760U CN 208044131 U CN208044131 U CN 208044131U
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Abstract
The utility model discloses one kind can be with pinpoint fiber bundle coupling device, which is characterized in that the fiber bundle coupling device includes：Coupler bottom seat, connector sleeve, fiber optic bundle plug-assembly, coupling objective lens unit, pressure device, locking system；Fiber optic bundle plug-assembly includes plug, fiber optic bundle, lock, holddown spring, stop nut；The pressure device includes several guide rods being uniformly distributed circumferentially, is pressed against spring, platen；The locking system includes locking system pedestal, resetting spring, several lock assemblies being uniformly distributed circumferentially；The one end of the lock assembly far from locking system pedestal axle center is abutted with the pressure device inner circle taper hole, for being pressed against lock assembly.The insertion of fiber optic bundle and locking are unified for an overall structure and execute step by the utility model, and system structure is simple, are locked and unlocked operation force and are reduced, simple operation improves.
Description
Technical field
The utility model belongs to optical technical field, and in particular to one kind can be with pinpoint fiber bundle coupling device.
Background technology
In the confocal imaging system based on fiber optic bundle, laser emits laser, passes through laser scanning device and coupling
Object lens are scanned the end face of fiber optic bundle, are injected into after laser is focused in each fibre core of fiber optic bundle, each fibre core
Diameter be about 2-3 microns.In the other end of fiber optic bundle, the laser of injection is focused on by speck mirror to be observed on object,
It being observed object and sends out fluorescence under the excitation of injection laser, fluorescence is returned along same path by the fibre core of fiber optic bundle,
Finally is captured and be imaged by detector.Therefore being accurately positioned between coupling object lens and fiber optic bundle is confocal imaging system
A critical issue.
Patent CN201510791313.8 discloses one kind can be with pinpoint optical fiber connector.This optical fiber connector phase
For general optical fiber connector (such as becket connector<Ferrule Connector,FC>, miniature connector<Little
Connector, LC>, miniature A classes connector<Sub Miniature A, SMA>), positioning accuracy has raising by a relatively large margin.
But it still has following shortcoming：
(1) between fiber connector socket and plug be hard friction, connection precision is ensured by mechanical precision, by
After abrasion, positioning accuracy can be declined；
(2) coupling object lens are detached with connector body, must ensure its phase by additional mechanical device therebetween
To positioning, system complexity is higher；
(3) for the locking wheel of optical fiber connector in rotary course, spring can be easy to cause locking wheel by horizontal force
Stuck, reliability is not high；
(4) fit clearance between each moving component is limited in 1.5~2.5 microns, raising very high to requirement on machining accuracy
System cost.
Patent CN201710155422.X, which discloses one kind, such as to be schemed with auto-focusing and pinpoint fiber coupler
Shown in 6.This fiber coupler can realize auto-focusing, reduce the positioning requirements of fiber optic bundle end face, and plug plug is smooth.But
There are still following shortcomings for it：
(1) fiber optic bundle plug-locking is divided into insertion and two steps of locking are poly-, and operation is not convenient enough；
(2) it uses pressure arm mode to lock, and platen propulsive force is more than plug-locking power so that locking operation force is larger.
(3) when platen uses screw thread spiral shell into mode, because of the effect of holddown spring, screw thread friction force can be made to increase,
There is card resistance；
(4) its gland needs to carry out position locking, system by the additional individually mechanical locking modes such as screw or buckle
Complexity is higher.
Utility model content
For at least one of prior art disadvantages described above or Improvement requirement, the utility model provides one kind can essence
The insertion of fiber optic bundle and locking are unified for an overall structure and execute step, system knot by the fiber bundle coupling device for determining position
Structure is simple, locks and unlocks operation force and reduces, simple operation improves.
To achieve the above object, according to the one side of the utility model, providing one kind can be with pinpoint optical fiber
Bundle coupler, the fiber bundle coupling device include：Coupler bottom seat, connector sleeve, fiber optic bundle plug-assembly, coupling objective lens unit, pressure
By device, locking system；
The bottom plate of the coupler bottom seat and optical imaging system is rigidly connected, for fixing the connector sleeve, the pressure
By device, the locking system, the coupling objective lens unit is slidably connected the connector sleeve, the fiber optic bundle plug-assembly
Insertedly connect the connector sleeve；
Fiber optic bundle plug-assembly includes plug, fiber optic bundle, lock, holddown spring, stop nut；The axle center of the plug has
Hollow hole, the fiber optic bundle is passed through from the hollow hole, concordant with the plug head to fix；The holddown spring is empty
It is placed on the axle journal of the plug；There is through-hole at the lock center, across the plug axle journal and slid back and forth on axle journal,
Pressing force is transmitted to the plug by the compression of the holddown spring, the lock is equipped with lock piece along excircle, and described
Locking positioning is realized in locking system cooperation；The stop nut center is tapped through hole, is threadably secured in the plug
On axle journal, for limiting lock position；
The pressure device includes several guide rods being uniformly distributed circumferentially, is pressed against spring, platen；The guide rod peace
It, can opposite sliding in through-hole loaded on the coupler bottom seat；The spring for being pressed against spring and being installed on the coupler bottom seat
It in slot, and is placed on the guide rod, both ends are contacted with the coupler bottom seat and the platen respectively；The platen and institute
State guide rod rigid connection；
The locking system includes locking system pedestal, resetting spring, several lock assemblies being uniformly distributed circumferentially；Institute
Locking system pedestal to be stated to be rigidly connected with the connector sleeve, axle center has the through-hole receiving fiber optic bundle plug-assembly to pass through,
Through-hole is surrounded by pass through for lock assembly and slide wherein；The resetting spring is mounted on the bullet of the locking system pedestal
In spring slot, both ends are separately connected the locking system pedestal and the lock assembly, and the lock assembly is driven to slide；
The one end of the lock assembly far from locking system pedestal axle center is abutted with the pressure device inner circle taper hole,
For being pressed against lock assembly.
Preferably, the lock assembly include be pressed against steel ball, be pressed against steel ball sleeve, spacer ring, locking steel ball sleeve, locking steel ball,
Locking spring；The pressing steel ball be cased with steel ball room can receive be pressed against steel ball, there is tapped through hole in axle center；The spacer ring passes through screw thread
It is connect with the pressing steel ball sleeve；Locking steel ball sleeve axle center has ladder hole that can accommodate the locking steel ball and the locking
Spring, the locking both ends of the spring are separately connected the locking steel ball and the spacer ring.
Preferably, the pressing steel ball is contacted with the platen inner circle taper hole of the pressure device, for being pressed against lock assembly；
The lock is arc-shaped lock groove along the lock piece that excircle is arranged, and the lock groove of the locking steel ball and the lock is matched
It closes, for fiber optic bundle plug-assembly described in locking.
Preferably, the lock assembly includes being pressed against inclined wedge, being pressed against inclined wedge set, lock sleeve, crevis, locking spring；
Described one end for being pressed against inclined wedge set is connect with the pressing inclined wedge, the other end is socketed with the lock sleeve screw thread；The lock sleeve
Axle center has ladder hole that can accommodate the crevis and the locking spring, and the locking both ends of the spring is separately connected the lock
Only pawl and the pressing inclined wedge set.
Preferably, the pressing inclined wedge is contacted with the platen inner circle taper hole of the pressure device, for being pressed against lock assembly；
The lock is to latch pawl along the lock piece that excircle is arranged, the lock click-fit of the crevis and the lock,
For fiber optic bundle plug-assembly described in locking.
Preferably, the lock assembly includes being pressed against steel ball, being pressed against steel ball sleeve, spacer ring, lock sleeve, crevis, locking
Spring；The pressing steel ball be cased with steel ball room can receive be pressed against steel ball, there is tapped through hole in axle center；The spacer ring passes through screw thread and institute
It states and is pressed against steel ball sleeve connection；The lock sleeve axle center has ladder hole that can accommodate the crevis and the locking spring, institute
It states locking both ends of the spring and is separately connected the crevis and the spacer ring；
The pressing steel ball is contacted with the platen inner circle taper hole of the pressure device, for being pressed against lock assembly；The lock
It is lock pawl, the lock click-fit of the crevis and the lock, for locking to detain along the lock piece that excircle is arranged
The only fiber optic bundle plug-assembly.
Preferably, the lock assembly includes being pressed against inclined wedge, being pressed against inclined wedge set, locking steel ball sleeve, locking steel ball, locking bullet
Spring；Described one end for being pressed against inclined wedge set is connect with the pressing inclined wedge, the other end is socketed with locking steel ancient unit of weight, equal to 1/24 liang external threading；It is described
Lock sleeve axle center has ladder hole that can accommodate the locking steel ball and the locking spring, and the locking both ends of the spring is separately connected
The locking steel ball and the pressing inclined wedge set；
The pressing inclined wedge is contacted with the platen inner circle taper hole of the pressure device, for being pressed against lock assembly；The lock
It is arc-shaped lock groove to detain along the lock piece that excircle is arranged, and the lock groove of the locking steel ball and the lock coordinates, is used for
Fiber optic bundle plug-assembly described in locking.
Preferably, the connector sleeve has plug slot and coupling object lens sliding slot, for accommodating the fiber optic bundle plug-assembly
And the coupling objective lens unit, the front end face of the fiber optic bundle plug-assembly can be with the plug positioning surface of the connector sleeve plug slot
Concordant fixed, the coupling objective lens unit can slide in the connector sleeve object lens sliding slot.
Preferably, the coupling objective lens unit can receive the signal from the fiber optic bundle when sliding into focusing position,
And by the signal transmission in optical imaging system.
Preferably, coupling objective lens unit includes coupling object lens and object lens set, and coupling object lens cover rigidity by screw thread and object lens
Couple and it is coaxial with object lens set, object lens set can move forward and backward in the object lens sliding slot of connector sleeve rear end.
Above-mentioned preferred feature can be combined with each other as long as they do not conflict with each other.
In general, have the above technical solutions conceived by the present invention are compared with the prior art, with following
Beneficial effect：
1, the insertion of fiber optic bundle and locking are unified for an overall structure and execute step, be inserted into fiber optic bundle plug
It realizes positioning and locking function, pushes platen, fiber optic bundle plug can be automatically popped up, easy to operate；
2, identical plug-locking power only needs smaller thrust that locking can be completed, more laborsaving.
Description of the drawings
Fig. 1-3 is according to the overall structure schematic cross-section of fiber bundle coupling device of the utility model, and wherein Fig. 1 is
Locking state, Fig. 2 are releasing orientation, and Fig. 3 is reset state；
Fig. 4-5 is according to the overall structure axonometric schematic diagram of fiber bundle coupling device of the utility model, and wherein Fig. 4 is
Preceding axonometric schematic diagram, Fig. 5 are rear isometric schematic diagram；
Fig. 6 is according to fiber optic bundle lock catch of plug partial cutaway schematic view of the utility model；
Fig. 7-9 is according to the another embodiment of fiber bundle coupling device of the utility model, and wherein Fig. 7 is locking
State, Fig. 8 are releasing orientation, and Fig. 9 is reset state；
Figure 10 is according to fiber optic bundle plug schematic cross-section of the utility model；
Figure 11 is the schematic diagram of the prior art.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below
The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.With reference to embodiment to this
Utility model is further described.
Embodiment one.
Referring to Fig. 1, the utility model provides one kind can be with pinpoint fiber bundle coupling device, the fiber bundle coupling device packet
Include coupler bottom seat 1, connector sleeve 2, fiber optic bundle plug-assembly 3, coupling objective lens unit 4, pressure device 5, locking system 6, totally 6
Major part.
Coupler bottom seat 1 and the optical backplane (not shown) of confocal imaging system rigidly fix；Connector sleeve 2 passes through
Screw is rigidly connected with coupler bottom seat, and axis is overlapped with the light (not shown) that confocal imaging system incidence comes；
2 front end of connector sleeve has plug locating slot, rear end to have object lens sliding slot, middle part axle center to have through-hole, light is allowed to pass through；Plug locating slot
There is positioning surface in front end, vertical with object lens sliding slot axis.
Fiber optic bundle plug-assembly 3 includes plug 31, fiber optic bundle 32, lock 33, holddown spring 34, stop nut 35；Plug
There is a through-hole at 31 centers, and fiber optic bundle 32 may pass through that the through-hole is concordant with front end face to be fixed, and plug core through-hole is vertical with front end face, inserts
First 31 is consistent with connector sleeve plug slot cross sectional shape, and the two is clearance fit, to plug；Latching 33 centers has through-hole, passes through
Plug axle journal can simultaneously slide back and forth on axle journal, there is arc-shaped lock groove thereon, can coordinate with locking system 6 and realize locking；Pressure
Tight spring 34 is placed on plug axle journal, and both ends are contacted with plug 31 and lock 33 respectively, compressible compression when sliding of lock 33
Spring 34 applies pressing force to plug 31；Stop nut 35 is threadedly secured to insert ends, is gone with 33 sliding of limitation lock
Journey.
It includes that coupling object lens 41 and object lens cover 42 to couple objective lens unit 4, and coupling object lens 41 are rigid by screw thread and object lens set 42
Property connection and its set 42 is coaxial with object lens, object lens, which cover 42, to be moved forward and backward in the object lens sliding slot of connector sleeve rear end, be moved to
When appropriate location, realization is coupled with the accurate of fiber optic bundle 32.
Pressure device 5 includes guide rod 51, is pressed against spring 52, platen 53；Guide rod 51 may pass through leading for coupler bottom seat 1
It to hole and slides back and forth, passes through screw thread rigid attachment with platen 53；Be pressed against spring 52 be placed on guide rod, both ends respectively with
Coupler bottom seat 1 and platen 53 contact；When platen 53 and guide rod 51 are moved forward and backward, compressible press leans on spring 52, makes platen 53
Obtain outside thrust.
Locking system 6 includes locking system pedestal 61, resetting spring 62, lock assembly 63；Locking system pedestal 61 passes through
Screw is fixed on pin on connector sleeve 2, and center has through-hole receiving fiber optic bundle plug-assembly 3 to pass through, and is surrounded by through-hole, locking group
Part 63 may pass through through-hole and slide wherein；Lock assembly 63 includes being pressed against steel ball 631, being pressed against steel ball sleeve 632, spacer ring 633, lock
Only steel ball sleeve 634, locking steel ball 635, locking spring 636；Being pressed against steel ball sleeve 632 has steel ball room, is pressed against steel ball 631 and is packed into steel ball
Interior, head is exposed, is contacted with the endoporus of platen 53；Spacer ring 633 is screwed into steel ball sleeve by being pressed against the threaded hole of steel ball sleeve 632,
Position to being pressed against steel ball 631 limits, and keeps it rotatable immovable；Locking steel ball 635 is packed into locking steel ball sleeve 634
In central through hole, head is exposed, can coordinate with the lock groove of lock 33, positioning fastener 33；Locking steel ball sleeve 634 passes through screw thread
With pressing 632 rigid attachment of steel ball sleeve；Locking spring 636 is arranged in locking steel ball sleeve 634, both ends respectively with locking steel ball
635 and spacer ring 633 contact, locking steel ball 635 move when, locking spring 636 compress, provide locking power for it；Resetting spring 62
It is placed on locking steel ball sleeve 634, both ends are contacted with pressing steel ball sleeve 632 and locking system pedestal 61 respectively, work as lock assembly
When 63 action, resetting spring 62 is compressed.
Ensure that the front end face of fiber optic bundle 32 is the key that realize positioning function in the optimal viewing plane of coupling object lens 41.
The front end of object lens 41 is coupled there are an optimal viewing plane, which, which is perpendicular to, couples objective lens optical axis, 1~2 millimeter of diameter
One plane.The front end face of fiber optic bundle 32 must be overlapped with this position, and axial positioning errors are no more than ± 10 microns, could be clear
Otherwise imaging just will appear the fuzzy of image section range or full scope.It has been observed that the object lens sliding slot and plug of connector sleeve 2
Cooperation precision is H6/h5 between locating slot end face has verticality constraint, object lens sliding slot to cover 42 with object lens and couple object lens 41, can be protected
Card coupling object lens 41 are coaxial and vertical with plug locating slot end face between connector sleeve 2；Coordinate between plug 31 and connector sleeve plug slot
Precision is H8/f7, and end face plane degree is less than 10 microns, is overlapped with locating slot end face, it is ensured that fiber optic bundle end face is in coupling
In the optimal viewing plane of object lens 41.
The core content of the utility model is the compression and locking to fiber optic bundle plug-assembly 3, is carried out in conjunction with Fig. 1-3 detailed
It describes in detail bright.
Fig. 1 is fiber bundle coupling device lockup state schematic cross-section, is pressed against spring 52 at this time and is in some compression, to
Platen 53 provides the thrust for being directed toward locking system 6；Platen endoporus is conical bore, is applied to lock assembly 63 by being pressed against steel ball 631
The power for adding directional coupler axle center makes pressing steel ball sleeve 632 recline with 61 surface of locking system pedestal, completes lock assembly 63
Positioning, resetting spring 62 is compressed at this time；Fiber optic bundle plug-assembly 3 is inserted into the plug slot of connector sleeve 2 by hand-held lock 33, directly
It reclines to 31 end face of plug with plug slot positioning surface, continues to press on lock 33, locking steel ball 635 is jacked up, through the oblique of lock 33
Face falls into lock lock groove, completes the locking of fiber optic bundle plug-assembly 3, and holddown spring 34 is compressed at this time, make plug end face with
Plug slot positioning surface is adjacent to completely, remains to keep being accurately positioned under outer force-disturbance, locking spring 636 is compressed at this time, makes lock
Only steel ball 635 is firm is adjacent to lock lock groove, keeps the compressive state of holddown spring 34；It is driven at this time using manually or electrically mode
Dynamic coupling objective lens unit 4 realizes blur-free imaging axially movable to optimal viewing position.
Fig. 2 is fiber bundle coupling device releasing orientation schematic cross-section, pushes platen 53 and guide rod 51 to coupler bottom seat 1
Direction is mobile and reclines with coupler bottom seat end face, is pressed against spring 52 at this time and is compressed, and resetting spring 62 is unfolded, and pushes locking group
Part 63 is displaced outwardly, and locking steel ball 635 is made to be detached from the lock groove of lock 33, and holddown spring 34 is unfolded at this time, promotes lock 33 de-
It is contacted from lock position and with stop nut 35.
Fig. 3 is fiber bundle coupling device reset state schematic cross-section, after thrust is removed at platen 53, is pressed against spring 52 and opens up
It opens, platen 53 is pushed to be moved to 6 direction of locking system, platen 53 pushes lock assembly 63 to coupler by being pressed against steel ball 631
Axis direction moves, and is contacted with locking system pedestal 61 until being pressed against steel ball sleeve 632, so that coupler is restored lockup state, lock at this time
Button 33 has disengaged from lockup state, can be by fiber optic bundle plug-assembly 3 by being taken out in connector sleeve 2.
As above-mentioned, compression and latch functions can be achieved at the same time when being inserted into fiber optic bundle plug, push and discharge after platen i.e.
Can drawn optical fiber beam plug, simple operation；The insertion force of fiber optic bundle plug is coupling mechanism force, can by designing platen endoporus gradient
So that throw-on pressure is much smaller than coupling mechanism force, keep insertion and release operation relatively labor-saving.
Fig. 4-5 is fiber coupler axonometric schematic diagram.
Fig. 4 (is free of pedestal and couples object lens) for axonometric schematic diagram before fiber coupler, locking assembly 63 in the present embodiment
4 groups are uniformly distributed circumferentially, should not generally be less than 3 groups, ensures 33 stress balances of lock.
Fig. 5 is fiber coupler rear isometric schematic diagram (without pedestal and coupling object lens), in the present embodiment guide rod 51 and
It is pressed against spring 52 and is uniformly distributed circumferentially 4 groups, should not generally be less than 3 groups, ensure that platen 53 moves steadily.
Fig. 6 is 33 diagrammatic cross-sections of lock, and lock 33 has guiding surface 331 and lock groove 332；Guiding surface 331 is used for
Guiding locking steel ball 635 falls into lock groove 332；The arc radius of lock groove 332 is identical as 635 radius of locking steel ball, radius
And the selection of depth need to consider plug pressing force and latch the relationship of locking power, guarantee can stablize locking.
Embodiment one transmits throw-on pressure and locking power using rolling steel ball, now illustrates a kind of real using inclined wedge and detent mechanism
Now it is pressed against the embodiment with locking.
Embodiment two
Fig. 7-9 is the fiber bundle coupling device schematic cross-section realized according to alternative.
Fig. 7 is fiber bundle coupling device locking state schematic cross-section, and embodiment one is pressed against steel ball and platen endoporus
Pressing mode is revised as the mode that platen endoporus is contacted with pressing inclined wedge 637, and throw-on pressure and movement conduction process are the same as embodiment one；
The locking mode of one locking steel ball of embodiment and lock lock groove cooperation is revised as crevis 638 with lock pawl 371 to match
The mode of conjunction, when fiber optic bundle plug-assembly 3 is inserted into, lock pawl 371 is contacted and is jacked up with crevis 638, latches spine
After pawl 371 passes through the positioning area of crevis 638, crevis 638 resets under the action of locking spring 636, completes to lock
The locking of button 37, the positioning of plug 31 and compression are the same as embodiment one.
Specifically, lock assembly 63 includes being pressed against inclined wedge 637, being pressed against inclined wedge set 639, lock sleeve, crevis 638, lock
Only spring 636；One end of pressing inclined wedge set 639 is connect with pressing inclined wedge 637, the other end and lock sleeve screw thread are socketed；Lock sleeve
Axle center has ladder hole that can accommodate crevis 638 and locking spring 636, and 636 both ends of locking spring are separately connected crevis
638 and be pressed against inclined wedge set 639.
It is pressed against inclined wedge 637 to contact with the 53 inner circle taper hole of platen of pressure device 5, for being pressed against lock assembly 63；Lock 33
Lock piece along excircle setting is lock pawl 371, and crevis 638 and the lock pawl 371 of lock 33 coordinate, for locking
Only fiber optic bundle plug-assembly 3.
Fig. 8 is fiber coupler releasing orientation schematic cross-section, and platen 53, the expansion of resetting spring 62 is pushed to push locking group
Part 63 is displaced outwardly, and crevis 638 lifts at this time, and holddown spring 34 is unfolded, and lock 37 is pushed to be detached from locking area.
Fig. 9 is after fiber coupler reset state schematic cross-section thrust is removed, and platen 53 is pushed by being pressed against inclined wedge 637
Lock assembly 63 is moved to coupler center, remaining action is the same as embodiment one.
Figure 10 is 32 schematic cross-section of plug 31 and fiber optic bundle, and fiber optic bundle 32 can be directly through plug core hole and and plug
31 fix, and then grind the two together, keep end face concordant；Or the lock pin 38 with centre bore can be used viscous with fiber optic bundle 32
End face is polished after connecing, then by the insertion plug 31 of lock pin 38, cooperation precision is H6/h5, ensures that the two is coaxial, then makes the two end
In face of neat rear bonding.
Both the above embodiment can carry out certain combination to realize the positioning and locking of fiber optic bundle plug-assembly 3, such as make
With pressing steel ball and the combination of ratchet mechanism or the combination of wedge mechanism and locking steel ball.Below for specific embodiment three and in fact
Example four is applied, wherein the repeating no more using identical structurally and operationally mode with embodiment one and embodiment two.
Embodiment three.
Lock assembly 63 includes being pressed against steel ball 631, being pressed against steel ball sleeve 632, spacer ring 633, lock sleeve, crevis 638, lock
Only spring 636；Be pressed against steel ball sleeve 632 have steel ball room can receive be pressed against steel ball 631, there is tapped through hole in axle center；Spacer ring 633 passes through spiral shell
Line is connect with steel ball sleeve 632 is pressed against；Lock sleeve axle center has ladder hole that can accommodate crevis 638 and locking spring 636, locking
636 both ends of spring are separately connected crevis 638 and spacer ring 633.
It is pressed against steel ball 631 to contact with the 53 inner circle taper hole of platen of pressure device 5, for being pressed against lock assembly 63；Lock 33
Lock piece along excircle setting is lock pawl 371, and crevis 638 and the lock pawl 371 of lock 33 coordinate, for locking
Only fiber optic bundle plug-assembly 3.
Example IV.
Lock assembly 63 includes being pressed against inclined wedge 637, being pressed against inclined wedge set 639, locking steel ball sleeve 634, locking steel ball 635, lock
Only spring 636；One end of pressing inclined wedge set 639 is connect with pressing inclined wedge 637, the other end and 634 screw thread of locking steel ball sleeve are socketed；
634 axle center of locking steel ball sleeve has ladder hole that can accommodate locking steel ball 635 and locking spring 636,636 both ends of locking spring difference
It connects locking steel ball 635 and is pressed against inclined wedge set 639.
It is pressed against inclined wedge 637 to contact with the 53 inner circle taper hole of platen of pressure device 5, for being pressed against lock assembly 63；Lock 33
Lock piece along excircle setting is arc-shaped lock groove, and locking steel ball 635 and the lock groove of lock 33 coordinate, and are used for locking light
Fine beam plug-assembly 3.
In conclusion the fiber bundle coupling device of the utility model, an entirety is unified for by the insertion of fiber optic bundle and locking
Structure and execution step, are inserted into fiber optic bundle plug and positioning and locking function can be realized, and push platen, fiber optic bundle plug can be certainly
Row pop-up, it is easy to operate；Identical plug-locking power only needs smaller thrust that locking can be completed, more laborsaving.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (10)
1. one kind can be with pinpoint fiber bundle coupling device, which is characterized in that the fiber bundle coupling device includes：Coupler bottom seat
(1), connector sleeve (2), fiber optic bundle plug-assembly (3), coupling objective lens unit (4), pressure device (5), locking system (6)；
The bottom plate of the coupler bottom seat (1) and optical imaging system is rigidly connected, for fixing the connector sleeve (2), described
Pressure device (5), the locking system (6), the coupling objective lens unit (4) is slidably connected the connector sleeve (2), described
Fiber optic bundle plug-assembly (3) insertedly connects the connector sleeve (2)；
Fiber optic bundle plug-assembly (3) includes plug (31), fiber optic bundle (32), lock (33), holddown spring (34), stop nut
(35)；The axle center of the plug (31) has hollow hole, the fiber optic bundle (32) to be passed through from the hollow hole, is inserted with described
Head (31) front end is concordantly fixed；The holddown spring (34) is placed on the axle journal of the plug (31)；In the lock (33)
The heart has through-hole, passes through the axle journal of the plug (31) and is slid back and forth on axle journal, passes through the compression of the holddown spring (34)
Pressing force is transmitted to the plug (31), the lock (33) is equipped with lock piece along excircle, coordinates with the locking system (6)
Realize locking positioning；Stop nut (35) center is tapped through hole, is threadably secured in the axle journal of the plug (31)
On, for limiting lock (33) position；
The pressure device (5) includes several guide rods (51) being uniformly distributed circumferentially, is pressed against spring (52), platen (53)；
The guide rod (51) is installed in the through-hole of the coupler bottom seat (1), can opposite sliding；Pressing spring (52) installation
In the spring groove of the coupler bottom seat (1), and be placed on the guide rod (51), both ends respectively with the coupler bottom
Seat (1) and the platen (53) contact；The platen (53) is rigidly connected with the guide rod (51)；
The locking system (6) includes locking system pedestal (61), resetting spring (62), several lockings being uniformly distributed circumferentially
Component (63)；The locking system pedestal (61) is rigidly connected with the connector sleeve (2), and axle center has through-hole to accommodate the optical fiber
Beam plug-assembly (3) passes through, and is surrounded by through-hole and passes through for lock assembly (63) and slide wherein；The resetting spring
(62) be mounted on the locking system pedestal (6 1) spring groove in, both ends be separately connected the locking system pedestal (6 1) with
The lock assembly (63) drives the lock assembly to slide；
The one end of the lock assembly (63) far from locking system pedestal (61) axle center and the pressure device (5) female cone
Hole abuts, for being pressed against lock assembly (63).
2. as described in claim 1 can be with pinpoint fiber bundle coupling device, it is characterised in that：The lock assembly (63)
Including being pressed against steel ball (631), being pressed against steel ball sleeve (632), spacer ring (633), locking steel ball sleeve (634), locking steel ball (635), lock
Only spring (636)；The pressing steel ball sleeve (632) have steel ball room can receive be pressed against steel ball (631), there is tapped through hole in axle center；Institute
Spacer ring (633) is stated to connect with the pressing steel ball sleeve (632) by screw thread；Locking steel ball sleeve (634) axle center has ladder logical
Hole can accommodate the locking steel ball (635) and the locking spring (636), and locking spring (636) both ends are separately connected institute
State locking steel ball (635) and the spacer ring (633).
3. as claimed in claim 2 can be with pinpoint fiber bundle coupling device, it is characterised in that：The pressing steel ball
(631) it is contacted with the platen of the pressure device (5) (53) inner circle taper hole, for being pressed against lock assembly (63)；The lock
(33) lock piece along excircle setting is arc-shaped lock groove, the locking of the locking steel ball (635) and the lock (33)
Slot coordinates, for fiber optic bundle plug-assembly (3) described in locking.
4. as described in claim 1 can be with pinpoint fiber bundle coupling device, it is characterised in that：The lock assembly (63)
Including being pressed against inclined wedge (637), being pressed against inclined wedge set (639), lock sleeve, crevis (638), locking spring (636)；The pressing
One end of inclined wedge set (639) is connect with the pressing inclined wedge (637), the other end is socketed with the lock sleeve screw thread；The locking
Set axle center has ladder hole that can accommodate the crevis (638) and the locking spring (636), the locking spring (636)
Both ends are separately connected the crevis (638) and the pressing inclined wedge set (639).
5. as claimed in claim 4 can be with pinpoint fiber bundle coupling device, it is characterised in that：The pressing inclined wedge
(637) it is contacted with the platen of the pressure device (5) (53) inner circle taper hole, for being pressed against lock assembly (63)；The lock
(33) lock piece along excircle setting is lock pawl (371), the lock of the crevis (638) and the lock (33)
Pawl (371) coordinates, for fiber optic bundle plug-assembly (3) described in locking.
6. as described in claim 1 can be with pinpoint fiber bundle coupling device, it is characterised in that：The lock assembly (63)
Including being pressed against steel ball (631), being pressed against steel ball sleeve (632), spacer ring (633), lock sleeve, crevis (638), locking spring
(636)；The pressing steel ball sleeve (632) have steel ball room can receive be pressed against steel ball (631), there is tapped through hole in axle center；The spacer ring
(633) it is connect with the pressing steel ball sleeve (632) by screw thread；The lock sleeve axle center has ladder hole that can accommodate the locking
Pawl (638) and the locking spring (636), locking spring (636) both ends be separately connected the crevis (638) and
The spacer ring (633)；
The pressing steel ball (631) contacts with platen (53) inner circle taper hole of the pressure device (5), for being pressed against lock assembly
(63)；The lock piece that the lock (33) be arranged along excircle is to latch pawl (371), the crevis (638) with it is described
Lock pawl (371) cooperation for latching (33), for fiber optic bundle plug-assembly (3) described in locking.
7. as described in claim 1 can be with pinpoint fiber bundle coupling device, it is characterised in that：The lock assembly (63)
Including being pressed against inclined wedge (637), being pressed against inclined wedge set (639), locking steel ball sleeve (634), locking steel ball (635), locking spring
(636)；Described one end for being pressed against inclined wedge set (639) connect with the pressing inclined wedge (637), the other end and the locking steel ball sleeve
(634) screw thread is socketed；Locking steel ball sleeve (634) axle center has ladder hole that can accommodate the locking steel ball (635) and described
Locking spring (636), locking spring (636) both ends are separately connected the locking steel ball (635) and the pressing inclined wedge set
(639)；
The pressing inclined wedge (637) contacts with platen (53) inner circle taper hole of the pressure device (5), for being pressed against lock assembly
(63)；The lock (33) is arc-shaped lock groove, the locking steel ball (635) and the lock along the lock piece that excircle is arranged
The lock groove cooperation for detaining (33), for fiber optic bundle plug-assembly (3) described in locking.
8. as claim 1-7 any one of them can be with pinpoint fiber bundle coupling device, it is characterised in that：The connection
Covering (2) has plug slot and coupling object lens sliding slot, for accommodating the fiber optic bundle plug-assembly (3) and the coupling objective lens unit
(4), the front end face of the fiber optic bundle plug-assembly (3) concordant with the plug positioning surface of the connector sleeve (2) plug slot can be fixed,
The coupling objective lens unit (4) can the sliding in the connector sleeve (2) object lens sliding slot.
9. as claimed in claim 8 can be with pinpoint fiber bundle coupling device, it is characterised in that：The coupling objective lens unit
(4) when sliding into focusing position can receive from the fiber optic bundle (31) signal, and by the signal transmission in optics at
As system.
10. as claim 1-7 any one of them can be with pinpoint fiber bundle coupling device, it is characterised in that：Couplings
Mirror assembly (4) includes coupling object lens (41) and object lens set (42), and coupling object lens (41) are rigidly joined by screw thread and object lens set (42)
Connect and its with object lens set (42) coaxially, object lens set (42) can move forward and backward in the object lens sliding slot of connector sleeve rear end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820536760.8U CN208044131U (en) | 2018-04-16 | 2018-04-16 | One kind can be with pinpoint fiber bundle coupling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820536760.8U CN208044131U (en) | 2018-04-16 | 2018-04-16 | One kind can be with pinpoint fiber bundle coupling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208044131U true CN208044131U (en) | 2018-11-02 |
Family
ID=63944865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820536760.8U Active CN208044131U (en) | 2018-04-16 | 2018-04-16 | One kind can be with pinpoint fiber bundle coupling device |
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| Country | Link |
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| CN (1) | CN208044131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761653A (en) * | 2018-04-16 | 2018-11-06 | 精微视达医疗科技（武汉）有限公司 | One kind can be with pinpoint fiber bundle coupling device |
-
2018
- 2018-04-16 CN CN201820536760.8U patent/CN208044131U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761653A (en) * | 2018-04-16 | 2018-11-06 | 精微视达医疗科技（武汉）有限公司 | One kind can be with pinpoint fiber bundle coupling device |
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| CP03 | Change of name, title or address |
Address after: Room 804 and 805, Building 1, No. 188 Fuchunjiang Road, High tech Zone, Suzhou City, Jiangsu Province, 215000 Patentee after: Jingwei Shida Medical Technology (Suzhou) Co.,Ltd. Country or region after: China Address before: 436000 Phoenix Road, Wutong Lake New District, Ezhou, Hubei Patentee before: JINGWEI SHIDA MEDICAL TECHNOLOGY (WUHAN) CO.,LTD. Country or region before: China |
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Effective date of registration: 20240312 Address after: No. E02, Floor 1-3, Building E1E2, East Lake High tech Creative City, south of Phoenix Avenue, wutong Lake New District, Liangzihu District, Ezhou City, Hubei Province, 436000 Patentee after: Jingwei Shida Medical Technology (Hubei) Co.,Ltd. Country or region after: China Address before: Room 804 and 805, Building 1, No. 188 Fuchunjiang Road, High tech Zone, Suzhou City, Jiangsu Province, 215000 Patentee before: Jingwei Shida Medical Technology (Suzhou) Co.,Ltd. Country or region before: China |