CN114609733A - Optical fiber connector and optical fiber connector - Google Patents
Optical fiber connector and optical fiber connector Download PDFInfo
- Publication number
- CN114609733A CN114609733A CN202210394963.9A CN202210394963A CN114609733A CN 114609733 A CN114609733 A CN 114609733A CN 202210394963 A CN202210394963 A CN 202210394963A CN 114609733 A CN114609733 A CN 114609733A
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- groove
- optical fiber
- sliding
- inner tube
- tube main
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 107
- 239000000835 fiber Substances 0.000 claims abstract description 27
- 230000000670 limiting effect Effects 0.000 claims description 38
- 210000002421 cell wall Anatomy 0.000 claims description 6
- 238000004891 communication Methods 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 24
- 230000037431 insertion Effects 0.000 description 24
- 210000001503 joint Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Classifications
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- 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
- G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two 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
- G02B6/3818—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
- G02B6/3821—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type with axial spring biasing or loading means
-
- 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
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3834—Means for centering or aligning the light guide within the ferrule
- G02B6/3838—Means for centering or aligning the light guide within the ferrule using grooves for light guides
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The application relates to the field of optical fiber communication, in particular to an optical fiber connector and an optical fiber connector. The optical fiber connector comprises an inner tube main body and a rotating outer sleeve, the rotating outer sleeve is sleeved outside the inner tube main body and is suitable for relative circumferential rotation, and an annular clamping groove for the connecting seat of the optical fiber adapter to penetrate is formed between the rotating outer sleeve and the inner tube main body; offer on the outer wall of inner tube main part along the spout of the circumference extension of inner tube main part, be equipped with connecting block and slider on the inner wall of rotation overcoat, the connecting block is suitable for to slide to block in the spread groove of going into the optic fibre adapter, the slider is suitable for the card to block in the spout and follow the spout slides, be equipped with in the spout and be used for the drive the elastic component that the slider resets. The utility model provides an optical fiber connector alright realize the auto-lock when pegging graft with fiber adapter, has effectively improved fiber connector's assembly efficiency, has concurrently and dismantles convenient characteristics.
Description
Technical Field
The application relates to the field of optical fiber communication, in particular to an optical fiber connector and an optical fiber connector.
Background
An optical fiber connector is a device for detachably connecting optical fibers. The two end faces of the optical fiber are precisely butted together, so that the light energy output by the transmitting optical fiber can be coupled into the receiving optical fiber to the maximum extent.
The optical fiber connector comprises an optical fiber connector, wherein the optical fiber connector is loaded with a ferrule assembly, and signal conduction is realized through the ferrule assembly. Each optical fiber connector is provided with an optical fiber adapter suitable for axial butt joint, and a connecting seat of the optical fiber adapter is provided with a jack for plugging the ferrule assembly. At present, the connection mode between the common optical fiber adapter and the optical fiber connector on the market is generally an L-shaped groove type butt joint structure, and an L-shaped connecting groove used for sliding and clamping the optical fiber connector is specifically arranged on the outer peripheral surface of a connecting seat of the optical fiber adapter.
However, in the process of connecting the optical fiber connector and the optical fiber adapter, after the ferrule assembly is inserted into the insertion hole, the optical fiber connector needs to be rotated to be clamped with the L-shaped connecting groove to realize locking, and the connection mode of plugging and rotating locking makes the assembly efficiency of the optical fiber connector lower.
Disclosure of Invention
In order to conveniently carry out the auto-lock after fiber connector and the grafting of optic fibre adapter, this application provides a fiber connector and fiber connector.
In a first aspect, the present application provides an optical fiber connector, which adopts the following technical scheme:
an optical fiber connector comprises an inner tube main body and a rotating outer sleeve, wherein the rotating outer sleeve is sleeved outside the inner tube main body and is suitable for relative circumferential rotation, and an annular clamping groove for a connecting seat of an optical fiber adapter to penetrate is formed between the rotating outer sleeve and the inner tube main body;
the outer wall of the inner tube main body is provided with a sliding groove extending along the circumferential direction of the inner tube main body, the inner wall of the rotating outer sleeve is provided with a connecting block and a sliding block, the connecting block is suitable for being clamped into a connecting groove of an optical fiber adapter in a sliding mode, the sliding block is suitable for being clamped into the sliding groove and sliding along the sliding groove, and an elastic part used for driving the sliding block to reset is arranged in the sliding groove;
when the connecting seat is inserted into the annular clamping groove, the connecting block slides into the connecting groove over against the connecting groove, and the sliding block slides along the sliding groove to drive the rotating outer sleeve to rotate; when the connecting seat is completely inserted into the annular clamping groove, the connecting block slides to the corner of the connecting groove, and the elastic piece drives the sliding block to reversely slide so as to drive the rotating outer sleeve to reset.
By adopting the technical scheme, in the process of splicing the optical fiber connector with the corresponding optical fiber adapter, the connecting block is opposite to the connecting groove, so that the connecting block can be quickly and accurately clamped into the connecting groove, the sliding block slides along the sliding groove to drive the rotating outer sleeve to rotate, and the elastic part is pressed to generate restoring force under the action of the sliding block; treat during the connecting seat inserts ring groove completely, the connecting block slides to the corner of spread groove, and the connecting block of corner loses the support of spread groove cell wall, and the restoring force drive slider of elastic component is reverse to be slided, drives and rotates overcoat reverse rotation and resets, and then makes the connecting block spacing at the opposite side at the corner, and it is spacing to carry out the axial at the outer cover of rotating and inner tube main part.
When the optical fiber connector and the corresponding optical fiber adapter need to be detached, an operator only needs to rotate the rotating outer sleeve, so that the connecting block slides to the corner of the connecting groove, and the optical fiber connector can be axially pulled out of the optical fiber adapter.
From this, the fiber connector of this application alright realize the auto-lock when pegging graft with fiber adapter, has effectively improved fiber connector's assembly efficiency, has concurrently and dismantles convenient characteristics.
Preferably, be equipped with on the lateral wall of inner tube main part and be suitable for the installing port that the slider wore to establish and with the groove of stepping down of installing port intercommunication, the groove of stepping down is located the extending direction of spout and with the spout interval sets up, the groove of stepping down is close to be equipped with the confession on the cell wall of spout one side the slider direction slides in the first spigot surface of spout.
By adopting the technical scheme, when the optical fiber connector is assembled, the mounting opening of the inner tube main body is aligned to the sliding block of the rotating outer sleeve, then the rotating outer sleeve is pushed axially to enable the sliding block to slide into the abdicating groove through the mounting opening, and then the rotating outer sleeve is rotated to enable the sliding block to slide into the sliding groove along the first guide surface, so that the axial limiting and circumferential relative rotation of the rotating outer sleeve and the inner tube main body are realized; the mode of rotating and clamping after splicing is adopted, the operation is convenient, and the assembly efficiency of the inner pipe main body and the rotating outer sleeve can be effectively improved; in addition, the spout makes to have one between the two to cut off the step with the interval setting in groove of stepping down, and the setting of the first spigot surface of reunion, the slider can only carry out one-way slip to the spout from the groove of stepping down, prevents outside the slider roll-off spout, increases the structural stability when rotating overcoat and inner tube main part and rotating relatively.
Preferably, a second guide surface is arranged on one side, away from the rotating outer sleeve, of the sliding block; when the sliding block slides into the sliding groove in a guiding mode, the second guide surface is in sliding abutting connection with the first guide surface.
Through adopting above-mentioned technical scheme, the second spigot surface can make the slider more smooth and easy when sliding along first spigot surface, reduces the wearing and tearing between slider and the first spigot surface, helps accelerating the efficiency in the slider slides in the spout.
Preferably, the sliding block is provided with a limiting surface; when the sliding block slides into the sliding groove, the limiting surface is abutted against the groove wall on one side, close to the abdicating groove, of the sliding groove.
Through adopting above-mentioned technical scheme, back in the slider slided into the spout, spacing face offsets with the spout is close to the one side cell wall in the groove of stepping down, can effectively prevent the slider towards the groove one side roll-off spout of stepping down for the slider is stabilized spacing in the spout.
Preferably, still be equipped with on the lateral wall of inner tube main part and let the position mouth, it establishes to let the position mouth the spout with the junction in groove of stepping down and with the installing port is relative.
Through adopting above-mentioned technical scheme, operating personnel can be through letting the position mouth observe the condition behind the slider slided into the spout, if the elastic component fails effectively to offset with the slider, then can stir slider or elastic component to suitable position in stretching into the spout with the instrument from the position mouth of letting, guarantee the good effect that resets of elastic component to the slider from this.
Preferably, the elastic element is a spring, one end of the spring abuts against the sliding block, and the other end of the spring abuts against a groove wall of the sliding groove, which is far away from one side of the sliding block.
Through adopting above-mentioned technical scheme, the spring has elasticity shape grow, effectual, the fast characteristics of efficiency that reset of restoring to the throne relative to other elastic component, can drive the slider fast effectively and reset.
Preferably, at least one limiting bulge is arranged on the groove wall of the sliding groove and is clamped in the elastic part.
Through adopting above-mentioned technical scheme, during the elastic component was gone into to spacing arch card, can stabilize the elastic component of establishing in the spout, and then help increasing the structural stability of elastic component and inner tube main part for the elastic component stretches out and draws back more steadily.
Preferably, be equipped with at least one stopper on the inner wall of rotation overcoat, seted up at least one confession on the outer wall of inner tube main part the stopper corresponds the spacing groove of going into and sliding, the extending direction that the spacing groove is located with the extending direction of spout is the same, the length of spacing groove extending direction with the slider is in the maximum length that slides in the spout is the same.
Through adopting above-mentioned technical scheme, the stopper slides and can prescribe a limit to the relative inner tube main part circumferential direction's of rotating the overcoat angle in the spacing groove, avoids rotating the overcoat and rotates excessively and surpass the elastic deformation scope of elastic component, and then can guarantee the good effect that resets of elastic component.
Preferably, one end of the inner tube main body is provided with a ferrule holder for carrying the ferrule assembly, the ferrule holder can be inserted into the insertion hole of the optical fiber adapter only in a fixed state, the end of the ferrule holder is provided with a guide ring, and the axial projection of the guide ring falls into the axial projection of the ferrule holder.
Through adopting above-mentioned technical scheme, the in-process of the optical fiber connector of this application and the butt joint of the optical fiber adapter that corresponds, earlier insert the direction of jack towards the jack and carry out the opposite insertion, the guide ring can not retrained by the direction of jack and lock pin support and at first enter into during the jack, but when not totally just right between lock pin support and the jack, the lock pin support can not be accurate to inserting in the jack, at this moment, the guide ring still is in the jack and by the jack spacing and make still can be in a radial spacing state between lock pin support and the optical fiber adapter. At the moment, the optical fiber connector is rotated, so that the relative position of the ferrule support can be limited in a circular area formed by the guide ring, the relative state between the ferrule support and the jack can be adjusted, the ferrule support can be inserted after the ferrule support and the jack are completely opposite, and the ferrule support does not need to be aligned for many times.
In a second aspect, the present application provides an optical fiber connector, which adopts the following technical solutions:
an optical fiber connector comprises an optical fiber adapter and the optical fiber connector, wherein the optical fiber adapter and the optical fiber connector are axially butted with each other.
In summary, the present application has the following beneficial effects:
1. this application can carry out the auto-lock through fiber connector and optical fiber adapter grafting, has the assembly efficiency height, dismantles convenient characteristics.
2. The blind mating butt joint between the optical fiber connector and the optical fiber adapter can be realized, and the assembling efficiency of the optical fiber connector is further improved.
Drawings
FIG. 1 is a first schematic structural diagram of a fiber optic adapter according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of an optical fiber connector according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram illustrating an exploded structure of an optical fiber connector according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an exploded structure of an optical fiber connector in the embodiment of the present application;
FIG. 5 is a radial cross-sectional view of a fiber optic connector at a slide slot in an embodiment of the present application;
FIG. 6 is an enlarged view of FIG. 3 at A;
FIG. 7 is a second schematic structural view of a fiber optic adapter according to an embodiment of the present disclosure;
fig. 8 is a third schematic structural diagram of a fiber optic adapter in an embodiment of the present application.
Description of reference numerals:
1. a base; 2. a connecting seat; 21. connecting grooves; 211. an axial section; 212. a circumferential segment; 213. a corner; 22. a jack; 23. unfilled corners; 3. an inner tube body; 31. a convex ring; 311. a first guide surface; 312. cutting; 313. a stepped groove; 314. a third guide surface; 32. a chute; 33. an installation port; 34. a yielding groove; 35. a partition step; 36. a let position port; 37. a limiting bulge; 38. a limiting groove; 39. a limiting port; 4. rotating the outer sleeve; 41. connecting blocks; 42. a slider; 421. a second guide surface; 422. a limiting surface; 43. a limiting block; 5. a tail pipe; 6. an annular neck; 7. an elastic member; 8. a ferrule support; 81. chamfering the inclined plane; 82. a guide ring; 83. an inclined surface; 9. and (6) inserting pins.
Detailed Description
The present application will be described in further detail below with reference to the accompanying fig. 1-8 and examples.
The optical fiber connector and the optical fiber adapter are mutually adaptive and butted optical fiber connectors, and the optical fiber adapter is applied to optical fiber junction boxes such as a fiber distribution box, and the optical fiber adapter is matched with the optical fiber connector to realize waterproof sealing of a joint.
Referring to fig. 1, the optical fiber adapter includes a base 1 and a connection seat 2 connected to one side of the base 1, the base 1 is used for being connected to a box body of the fiber distribution box, the connection seat 2 is provided with two opposite connection grooves 21 on an outer side wall, the connection grooves 21 are substantially L-shaped and include an axial section 211 and a circumferential section 212 connected to one end of the axial section 211, and a corner 213 is formed at a connection position of the axial section 211 and the circumferential section 212. One end of the axial segment 211, which is far away from the circumferential segment 212, penetrates through the end surface on one side of the connecting seat 2, and the groove wall on one side, which is connected with the circumferential segment 212, of the axial segment 211 is inclined relative to the axial direction of the connecting seat 2, so that the notch of the axial segment 211 is gradually reduced from one end, which penetrates through the connecting seat 2, to one end, which is connected with the circumferential segment 212.
Based on this, the embodiment of the present application discloses an optical fiber connector, which is used for being butted with the optical fiber adapter.
Referring to fig. 2, the optical fiber connector comprises an inner tube body 3, a rotating outer sleeve 4 and a tail tube 5 connected to one end of the inner tube body 3, the rotating outer sleeve 4 is coaxially sleeved outside the inner tube body 3 and is suitable for relative circumferential rotation, and an annular clamping groove 6 for the connecting seat 2 to penetrate through is formed between the rotating outer sleeve 4 and the inner tube body 3. When the optical fiber connector is inserted into the optical fiber adapter, the rotating outer sleeve 4 is sleeved outside the connecting seat 2 and is suitable for relative circumferential rotation.
Referring to fig. 3 and 4, two connection blocks 41 are uniformly spaced on the inner wall of the rotating outer sleeve 4, and the two connection blocks 41 are adapted to be correspondingly slidably inserted into the two connection grooves 21 of the optical fiber adapter. The connecting block 41 in this embodiment is substantially triangular prism-shaped, and when the connecting block 41 slides in the axial section 211 of the connecting groove 21, a side wall of the connecting block 41 is attached to a side groove wall of the axial section 211, which is inclined, and at this time, the connecting block 41 can stably drive the rotating outer sleeve 4 to axially rotate relative to the connecting socket 2. After the connecting block 41 slides into the circumferential section 212 of the connecting groove 21, the other side wall of the connecting section is attached to the side wall of the circumferential section 212 connected with the axial section 211, thereby further increasing the axial limiting effect between the optical fiber connector and the optical fiber adapter.
Offer the spout 32 that extends along the circumference of inner tube main part 3 on the outer wall of inner tube main part 3, the quantity of seting up of spout 32 can set up as required, and one has specifically been seted up in this application. The inner wall of the rotating outer sleeve 4 is correspondingly provided with a sliding block 42, the sliding block 42 is suitable for being clamped into the sliding groove 32 and sliding along the sliding groove 32, and the sliding groove 32 is internally provided with an elastic part 7 for driving the sliding block 42 to reset.
In the process of plugging the optical fiber connector and the corresponding optical fiber adapter, the connecting block 41 is opposite to the connecting groove 21, so that the connecting block 41 can be quickly and accurately clamped into the axial section 211 of the connecting groove 21, at this time, the sliding block 42 slides along the sliding groove 32 to drive the rotating outer sleeve 4 to rotate, and the elastic part 7 is pressed to generate restoring force under the action of the sliding block 42.
With reference to fig. 1, when the connecting seat 2 is completely inserted into the ring groove 6, the connecting block 41 slides to the corner 213 of the connecting groove 21, the connecting block 41 at the corner 213 loses the support of the groove wall of the connecting groove 21, the restoring force of the elastic element 7 drives the sliding block 42 to reversely slide, and drives the rotating outer sleeve 4 to reversely rotate to reset, so that the connecting block 41 is limited in the circumferential section 212 of the connecting groove 21, and the rotating outer sleeve 4 and the inner tube main body 3 are axially limited.
In order to facilitate the assembly of the inner tube main body 3 and the rotating outer sleeve 4, a convex ring 31 is protruded on the outer wall of the inner tube main body 3, so that the radial groove width of the annular clamping groove 6 between the inner tube main body 3 and the rotating outer sleeve 4 can be increased, and a sliding groove 32 is formed in the annular surface of one side of the convex ring 31 facing the rotating outer sleeve 4. On the outer side wall of the inner tube body 3, a mounting opening 33 suitable for the slider 42 to penetrate through and a relief groove 34 communicated with the mounting opening 33 are formed in the convex ring 31. One end of the mounting opening 33, which is far away from the abdicating groove 34, penetrates through the convex ring 31 and is communicated with the annular clamping groove 6, the abdicating groove 34 is positioned in the extending direction of the sliding groove 32 and is arranged at an interval with the sliding groove 32, and a first guide surface 311 for the sliding block 42 to slide into the sliding groove 32 is arranged on the groove wall of the abdicating groove 34, which is close to one side of the sliding groove 32.
Correspondingly, a second guiding surface 421 is provided on the side of the sliding block 42 away from the rotating outer sleeve 4. When the slide block 42 slides into the slide groove 32, the second guide surface 421 slides and abuts against the first guide surface 311. First guide surface 311 is the inclined plane wherein, second guide surface 421 is the arcwall face, and the butt of first guide surface 311 and second guide surface 421 from this is the line butt, can effectively reduce the wearing and tearing between slider 42 and the bulge loop 31, and it is more smooth and easy when enabling slider 42 to slide along first guide surface 311 simultaneously, helps accelerating the efficiency that slider 42 slided in spout 32.
When the optical fiber connector is assembled, the mounting hole 33 of the inner tube main body 3 is aligned to the sliding block 42 of the rotating outer sleeve 4, then the rotating outer sleeve 4 is pushed axially to enable the sliding block 42 to slide into the abdicating groove 34 through the mounting hole 33, then the rotating outer sleeve 4 is rotated, the second guide surface 421 of the sliding block 42 is abutted to the first guide surface 311 and slides into the sliding groove 32 along the first guide surface 311, the mode of rotating and clamping after the insertion is convenient to operate, and the assembly efficiency of the inner tube main body 3 and the rotating outer sleeve 4 can be effectively improved. Since the slider 42 can only slide back and forth in the slide groove 32 in the circumferential direction of the inner tube main body 3, the rotating outer sleeve 4 is axially fixed with respect to the inner tube main body 3 but can rotate relatively in the circumferential direction.
The slider 42 is further provided with a stopper surface 422 on an adjacent side of the second guide surface 421. Because the sliding groove 32 and the abdicating groove 34 are arranged at intervals, a separating step 35 is arranged between the sliding groove 32 and the abdicating groove 34, after the sliding block 42 slides into the sliding groove 32 through the first guide surface 311, the limiting surface 422 is abutted against the groove wall of one side of the sliding groove 32 close to the abdicating groove 34, so that the sliding block 42 can only slide in one direction from the abdicating groove 34 to the sliding groove 32, thereby effectively preventing the sliding block 42 from sliding out of the sliding groove 32 towards one side of the abdicating groove 34, and increasing the structural stability when the rotating outer sleeve 4 and the inner pipe main body 3 rotate relatively.
The outer side wall of the inner tube main body 3 is further provided with a relief opening 36 on the convex ring 31, and the relief opening 36 is arranged at the joint of the sliding groove 32 and the relief groove 34 and is opposite to the mounting opening 33. Thus, the operator can observe the situation after the slide block 42 slides into the slide groove 32 through the seat opening 36. If the elastic element 7 cannot effectively abut against the sliding block 42, a tool can extend into the sliding groove 32 from the avoiding opening 36 to shift the sliding block 42 or the elastic element 7 to a proper position, so that a good reset effect of the elastic element 7 on the sliding block 42 is ensured.
Since the slide groove 32 has a certain curvature, the elastic member 7 presses the groove wall of the slide groove 32 to cause a certain abrasion when elastically deformed. For this purpose, the protruding ring 31 is provided with a notch 312 at one side of the sliding groove 32, and the notch 312 can reduce the contact area of the elastic member 7 with the groove wall of the sliding groove 32, thereby reducing the abrasion of the elastic member 7. Further, the male ring 31 is provided with a stepped groove 313 on the side of the slide groove 32 where the notch 312 is provided, the stepped groove 313 communicating with the slide groove 32. When the rotating outer sleeve 4 is sleeved outside the inner pipe main body 3, the end part of one side of the rotating outer sleeve 4 is clamped into the stepped groove 313, so that the rotating outer sleeve 4 can be prevented from approaching the tail pipe 5 in the axial direction, and the axial limiting effect of the rotating outer sleeve 4 and the inner pipe main body 3 is further improved.
With reference to fig. 5, the elastic member 7 of the present application is specifically a spring, which is based on the characteristics that the spring has a larger elastic shape, a good reset effect and a fast reset efficiency compared with other elastic members 7, and can quickly and effectively drive the slider 42 to reset. One end of the spring is abutted against the sliding block 42, and the other end of the spring is abutted against the groove wall far away from the sliding groove 32. Be equipped with at least one spacing arch 37 on the cell wall of spout 32, this application is equipped with a spacing arch 37 respectively on two cell walls that spout 32 is relative, and two spacing archs 37 are gone into the spring from the both sides card that the spring is relative respectively, can stabilize spacing spring in spout 32, and then increase the structural stability of elastic component 7 and inner tube main part 3 for elastic component 7 more stretches out and draws back for steadily.
At least one limiting groove 38 is further formed in the outer wall of the inner tube main body 3, at least one limiting block 43 which is correspondingly clamped into and slides in the limiting groove 38 is arranged on the inner wall of the rotating outer sleeve 4, the extending direction of the limiting groove 38 is the same as the extending direction of the sliding groove 32, and the length of the limiting groove 38 in the extending direction is the same as the maximum sliding length of the sliding block 42 in the sliding groove 32. Therefore, the limiting block 43 can limit the circumferential rotation angle of the rotating outer sleeve 4 relative to the inner tube main body 3 in the limiting groove 38 in a sliding manner, so that the rotating outer sleeve 4 is prevented from excessively rotating and exceeding the elastic deformation range of the elastic part 7, and the good reset effect of the elastic part 7 can be further ensured. In this embodiment, the limiting groove 38 is provided on the convex ring 31 between the sliding groove 32 and the receding groove 34, and the structure of the limiting block 43 is the same as that of the sliding block 42 and is disposed at an equal distance, so that the limiting block 43 and the sliding block 42 can be located on two opposite sides of the rotating outer sleeve 4 on the same circular line, and the stability of the rotating outer sleeve 4 and the inner pipe main body 3 in relative circumferential rotation can be increased to a certain extent.
The end of the protruding ring 31 facing the sliding groove 32 in the limiting groove 38 is provided with a limiting opening 39, the limiting opening 39 penetrates through the two opposite side end faces of the protruding ring 31 along the axial direction of the inner tube main body 3, a third guide surface 314 is arranged on one side wall of the limiting opening 39 facing the limiting groove 38 of the protruding ring 31, the limiting block 43 slides into the protruding ring 31 through the limiting opening 39 and abuts against the third guide surface 314, and finally, the limiting block is clamped into the limiting groove 38 along the third guide surface 314. The structure and principle of the limiting block 43 in the limiting groove 38 are the same as those of the slider 42 in the sliding groove 32, and therefore the description thereof is omitted.
On the basis of the above embodiment, referring to fig. 6 and 7, one end of the inner tube main body 3 is provided with a ferrule holder 8, a ferrule assembly is carried in the ferrule holder 8, and a contact pin 9 for butt joint is exposed from one end of the ferrule holder 8. The center of the connecting seat 2 is provided with an insertion hole 22 for inserting the ferrule support 8, the insertion hole 22 is approximately rectangular, but two adjacent top corners of the insertion hole 22 are provided with an inclined unfilled corner 23, so that the ferrule support 8 can be inserted into the insertion hole 22 only along the same state.
The ferrule holder 8 is integrally configured to be an adaptive structure similar to the shape of the insertion hole 22, so that the ferrule holder 8 can be inserted into the insertion hole 22 of the optical fiber adapter only in a fixed state, and therefore, the ferrule holder 8 is also generally rectangular in shape, and the ferrule holder 8 is also provided with two corresponding bevel chamfers 81 on corresponding portions corresponding to the two notches 23 in the insertion hole 22.
The end part of the ferrule support 8 protrudes out of the end part of the rotating sleeve 4, the end part of the ferrule support 8 is integrally provided with a guide ring 82, the guide ring 82 surrounds the contact pin 9 and is coaxial with the contact pin 9, and the inner wall of the guide ring 82 and the inner wall of the ferrule support 8 are on the same cylindrical surface. The axial projection of the outer diameter surface of the guide ring 82 falls within the axial projection of the ferrule holder 8, so that the guide ring 82 can be inserted into the insertion hole 22 in any posture in the circumferential direction.
The ferrule holder 8 has an inclined surface 83 which is located in the circumferential direction of the guide ring 82 and which is connected to the guide ring 82, toward the end surface to which the guide ring 82 is connected. Specifically, the inclined surface 83 is convex as a whole and is located on the same spherical surface, and the diameter thereof gradually increases in a direction away from the guide ring 82. Preferably, the inclined surface 83 is spherical as a whole so that a stable plurality of contact points with the circumferential direction of the insertion hole 22 can be ensured even when the ferrule holder 8 is axially angularly deflected.
Based on this, in the process of butting the optical fiber connector with the corresponding optical fiber adapter, the ferrule support 8 is inserted towards the direction of the insertion hole 22, the guide ring 82 cannot be constrained by the directions of the insertion hole 22 and the ferrule support 8 and firstly enters the insertion hole 22, but when the ferrule support 8 is not completely aligned with the insertion hole 22, the ferrule support 8 cannot be accurately inserted into the insertion hole 22, and at this time, the guide ring 82 is still in the insertion hole 22 and is limited by the insertion hole 22, so that the ferrule support 8 and the optical fiber adapter can still be in a radial limiting state. At this time, by rotating the optical fiber connector, the circular region formed by the guide ring 82 can limit the relative position of the ferrule holder 8, but the relative state between the ferrule holder 8 and the insertion hole 22 can be adjusted, and the ferrule holder 8 can be inserted after the ferrule holder 8 and the insertion hole 22 are completely aligned, without multiple alignment.
The implementation principle of the embodiment of the application is as follows:
in the connection process, the insertion position of the ferrule support 8 is found through the guide structure at the end part of the ferrule support 8, at the moment, the rotating outer sleeve 4 can synchronously rotate together with the inner pipe body 3, and when the ferrule support 8 is inserted into the insertion hole 22, the connecting block 41 can be opposite to the connecting groove 21 and slides into the axial section 211 of the connecting groove 21 along with the pushing-in of the ferrule support 8, so that the quick blind-matching butt joint of the optical fiber connector and the optical fiber adapter is realized.
At this time, the slide block 42 slides in the slide groove 32 to compress the spring, and the rotating sleeve 4 rotates relative to the ferrule holder 8. Treat that connecting block 41 slides in to the corner of spread groove 21, the restoring force of spring promotes to slide and reversely slides along spout 32, and slider 42 drives and rotates overcoat 4 rotatory and resets for it is spacing to carry out the axial in connecting block 41 slides in the circumference section 212 of spread groove 21, realizes the auto-lock of fiber connector and optic fibre adapter from this, and assembly efficiency is high.
When the optical fiber connector and the corresponding optical fiber adapter need to be detached, an operator only needs to rotate the rotating outer sleeve 4, so that the connecting block 41 slides to the corner 213 of the connecting groove 21, the optical fiber connector can be axially pulled out from the optical fiber adapter, and the detachment is convenient.
The embodiment of the application also discloses an optical fiber connector, which comprises an optical fiber connector and an optical fiber adapter connected with the optical fiber connector. The optical fiber adapter may be the structure disclosed in the above embodiment, or the optical fiber adapter may be constructed as a protective cover structure with both ends being the connection seat 22, as shown in the schematic view of the protective cover structure shown in fig. 8, so that the optical fiber adapter can axially butt-joint two optical fiber connectors.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (10)
1. An optical fiber connector, characterized in that: the optical fiber adapter comprises an inner tube main body (3) and a rotating outer sleeve (4), wherein the rotating outer sleeve (4) is sleeved outside the inner tube main body (3) and is suitable for relative circumferential rotation, and an annular clamping groove (6) for the connection seat (2) of the optical fiber adapter to penetrate through is formed between the rotating outer sleeve (4) and the inner tube main body (3);
the outer wall of the inner tube main body (3) is provided with a sliding groove (32) extending along the circumferential direction of the inner tube main body (3), the inner wall of the rotating outer sleeve (4) is provided with a connecting block (41) and a sliding block (42), the connecting block (41) is suitable for being clamped into a connecting groove (21) of an optical fiber adapter in a sliding mode, the sliding block (42) is suitable for being clamped into the sliding groove (32) and sliding along the sliding groove (32), and an elastic part (7) used for driving the sliding block (42) to reset is arranged in the sliding groove (32);
when the connecting seat (2) is inserted into the annular clamping groove (6), the connecting block (41) is opposite to the connecting groove (21) and slides into the connecting groove (21), and the sliding block (42) slides along the sliding groove (32) to drive the rotating outer sleeve (4) to rotate; when the connecting seat (2) is completely inserted into the annular clamping groove (6), the connecting block (41) slides to the corner (213) of the connecting groove (21), and the elastic piece (7) drives the sliding block (42) to reversely slide so as to drive the rotating outer sleeve (4) to reset.
2. The fiber optic connector of claim 1, wherein: be equipped with on the lateral wall of inner tube main part (3) and be suitable for installing port (33) that slider (42) wore to establish and with the groove of stepping down (34) of installing port (33) intercommunication, the groove of stepping down (34) are located the extending direction of spout (32) and with spout (32) interval sets up, the groove of stepping down (34) are close to be equipped with the confession on the cell wall of spout (32) one side slider (42) direction slides in the first spigot surface (311) of spout (32).
3. The fiber optic connector of claim 2, wherein: a second guide surface (421) is arranged on one side of the sliding block (42) far away from the rotating outer sleeve (4); when the sliding block (42) slides into the sliding groove (32) in a guiding mode, the second guide surface (421) is in sliding contact with the first guide surface (311).
4. The fiber optic connector of claim 2, wherein: a limiting surface (422) is arranged on the sliding block (42); when the sliding block (42) slides into the sliding groove (32), the limiting surface (422) is abutted against the groove wall of one side, close to the abdicating groove (34), of the sliding groove (32).
5. The fiber optic connector of claim 2, wherein: still be equipped with on the lateral wall of inner tube main part (3) and let a mouthful (36), let a mouthful (36) set up spout (32) with the junction of groove of stepping down (34) and with installing port (33) are relative.
6. The fiber optic connector of claim 1, wherein: the elastic piece (7) is a spring, one end of the spring is abutted against the sliding block (42), and the other end of the spring is abutted against the groove wall of the sliding groove (32) on one side far away from the sliding block (42).
7. The fiber optic connector of claim 1, wherein: the groove wall of the sliding groove (32) is provided with at least one limiting protrusion (37), and the limiting protrusion (37) is clamped in the elastic part (7).
8. The fiber optic connector of claim 1, wherein: be equipped with at least one stopper (43) on the inner wall of rotation overcoat (4), at least one confession has been seted up on the outer wall of inner tube main part (3) stopper (43) correspond the spacing groove (38) of going into and sliding, the extending direction that spacing groove (38) are located with the extending direction of spout (32) is the same, the length of spacing groove (38) extending direction with slider (42) are in the maximum length that slides in spout (32) is the same.
9. The fiber optic connector of claim 1, wherein: one end of the inner tube main body (3) is provided with a ferrule support (8) used for bearing a ferrule assembly, the ferrule support (8) can only be inserted into a jack (22) of the optical fiber adapter in a fixed state, the end part of the ferrule support (8) is provided with a guide ring (82), and the axial projection of the guide ring (82) falls into the axial projection of the ferrule support (8).
10. An optical fiber connector, characterized by: comprising optical fibre adapters axially abutting each other and an optical fibre connector according to any one of claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210394963.9A CN114609733B (en) | 2022-04-15 | 2022-04-15 | Optical fiber connector and optical fiber connector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210394963.9A CN114609733B (en) | 2022-04-15 | 2022-04-15 | Optical fiber connector and optical fiber connector |
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| CN114609733B CN114609733B (en) | 2024-03-15 |
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| CN115047569A (en) * | 2022-07-13 | 2022-09-13 | 武汉光迅科技股份有限公司 | Optical fiber connector and assembling method thereof |
| WO2023109098A1 (en) * | 2021-12-14 | 2023-06-22 | 杭州润州光电技术有限公司 | Optical fiber connector and optical fiber connecting assembly |
| WO2024045465A1 (en) * | 2022-09-01 | 2024-03-07 | 烽火通信科技股份有限公司 | Optical fiber connector plug, adapter, and connector assembly |
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| WO2023109098A1 (en) * | 2021-12-14 | 2023-06-22 | 杭州润州光电技术有限公司 | Optical fiber connector and optical fiber connecting assembly |
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| WO2024045465A1 (en) * | 2022-09-01 | 2024-03-07 | 烽火通信科技股份有限公司 | Optical fiber connector plug, adapter, and connector assembly |
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| Publication number | Publication date |
|---|---|
| CN114609733B (en) | 2024-03-15 |
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