CN113433626A

CN113433626A - MPO lock pin capable of assisting in butt joint

Info

Publication number: CN113433626A
Application number: CN202110763006.4A
Authority: CN
Inventors: 刘磊; 于百达
Original assignee: Dongguan Kaihang Technology Co ltd
Current assignee: Dongguan Kaihang Technology Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-09-24
Anticipated expiration: 2041-07-06
Also published as: CN113433626B

Abstract

The invention discloses an MPO (MPO) ferrule capable of assisting in butt joint, which comprises a ferrule body, wherein a dustproof piece is sleeved at the inserting end of the ferrule body, an opening is formed in the inserting end of the dustproof piece, at least two optical fiber holes are arranged on the ferrule body in a penetrating manner, a first clamping groove is formed in the inserting end of the ferrule body, an inserting panel is arranged in the first clamping groove, and an elastic supporting component is arranged between the inserting panel and the ferrule body; when the connector is butted with the ferrule body, the plug panel is ejected out of the plug end of the ferrule body through the elastic supporting component, and the plug panel is supported and fixed at the opening end of the dustproof piece to provide a reference plane, so that the attaching tightness is improved by 30-50% compared with the prior art; the single optical fiber line and the single glue injection piece are fixed in a glue injection mode, so that the connection stability of each optical fiber line can be guaranteed, and compared with the prior art, the transmission stability can be improved by 50% -70%.

Description

MPO lock pin capable of assisting in butt joint

Technical Field

The invention relates to the field of MPO (MPO) ferrules, in particular to an MPO ferrule capable of assisting in butt joint.

Background

The MPO connector is one of optical fiber connectors, is often used as a connector type of high-speed transmission standard, the MPO inserting core is provided with a plurality of optical fiber holes, the MPO connector in the prior art is connected with the end face of the MPO inserting core, the prior authorized Chinese utility model patent number is ZL2020212247059, the invention name is the MPO optical fiber connector inserting core and the MPO optical fiber connector, the dust accumulation after the butt joint of the MPO optical fiber connector can be prevented by adding a sheath on the head part of the inserting core, the following defects exist, the MPO connector is firstly inserted into the sheath during the inserting and gradually approaches to the end face of the MPO inserting core through sliding, the sheath can not observe the condition of the two inserting end faces during the sliding process, when a user holds the MPO connector, the end face of the MPO connector is difficult to control to be vertical to the inner side wall of a protective piece, the contact areas of the left side and the right side of the MPO connector and the inner side of the sheath are different during the sliding process, the friction force is different, the two sides of the MPO connector are stressed unevenly, the end face of the MPO connector inclines relative to the end face of the MPO ferrule, and the insertion end face of the MPO ferrule is easy to damage, so that the transmission performance of the optical fiber is influenced.

The prior authorized Chinese utility model patent number is ZL2018207020546, the name of the invention is a thirty-six core optical fiber connector ferrule, after optical fibers pass through optical fiber holes, glue is injected from a glue injection port on the ferrule body, so that the optical fibers are fixed on the ferrule body, under the condition that a plurality of optical fibers are used simultaneously, it is difficult to ensure that each optical fiber is fixed with the ferrule, the optical fibers fixed by the glue are difficult to separate from the ferrule, and under the condition that optical fiber wires are worn, the ferrule can only be replaced.

Disclosure of Invention

The invention aims to provide an MPO (maximum power output) ferrule capable of assisting in butt joint, which has the functions of end face fitting and splicing guide and is beneficial to completing splicing of a connector and the end face of the ferrule.

In order to achieve the purpose, the technical scheme of the invention is as follows:

the utility model provides a but MPO lock pin of supplementary butt joint, includes the lock pin body, the grafting pot head of lock pin body is equipped with the dustproof piece, the grafting end of dustproof piece is equipped with the opening, run through on the lock pin body and be equipped with two at least optical fiber holes, the grafting end of lock pin body is opened there is first draw-in groove, be equipped with the grafting panel in the first draw-in groove, the inner chamber lateral wall sliding fit of grafting panel and dustproof piece, be equipped with the first supplementary through-hole that corresponds with the optical fiber hole on the grafting panel, the grafting panel with be equipped with the elastic support part between the lock pin body, the one end and the grafting panel of elastic support part can be dismantled and be connected, the other end and lock pin body sliding connection.

Preferably, the elastic support component includes a slide bar slidably connected to the ferrule body, a spring is coaxially disposed through the slide bar, a spring slot for mounting the spring is disposed on the ferrule body, one end of the spring slot is communicated with the first clamping slot, one end of the spring abuts against an inner side surface of the plug-in panel, the other end of the spring abuts against an inner end surface of the spring slot, and a positioning assembly for fixing the plug-in panel is disposed on the dust-proof component.

Preferably, the inner chamber lateral wall of dustproof is concave to be equipped with two at least first spouts, the outside of grafting panel is outwards extended and is equipped with two at least slides, slide and first spout sliding fit, locating component including wear to establish the elasticity fastener on first spout and press the splenium with elasticity fastener complex, press the splenium to expose in the lateral surface of dustproof, be equipped with on the slide and detain the position with elasticity fastener complex.

Preferably, the outer side surface of the sliding plate is convexly provided with a limiting plate, and the inner side surface of the sliding plate is provided with a first inclined surface facing the elastic buckling position.

Preferably, the ferrule body is provided with a positioning hole in a penetrating manner, the positioning hole is located on one side of the optical fiber hole, and the splicing panel is provided with second auxiliary through holes corresponding to the positioning holes one to one.

Preferably, the optical fiber fixing part is detachably connected to the side of the ferrule body, at least two glue injection parts are arranged on one side, close to the optical fiber hole, of the optical fiber fixing part, the optical fiber hole comprises an input end and an output end, the input end is arranged at the inserting end of the ferrule body, the output end is arranged at the free end of the ferrule body, a second clamping groove for mounting the glue injection parts is formed between the input end and the output end, and the glue injection parts are provided with through holes for communicating the input end and the output end.

Preferably, the glue injection piece is provided with at least two glue injection holes with one end opened or two ends opened, and the glue injection holes are communicated with the through holes.

Preferably, one side or two sides of the glue injection piece are inwards provided with a glue injection groove in a concave manner, and an opening of the glue injection hole is formed in the glue injection groove.

Preferably, the optical fiber fixing member further includes a cover plate, the glue injection member is slidably connected with the inner side portion of the cover plate at an end far away from the through hole, the ferrule body is recessed inwards to form an introduction groove, the introduction groove is communicated with the second clamping groove, and the outer side portion of the cover plate covers the introduction groove.

Preferably, be equipped with two at least L type grooves on the apron, L type groove includes second spout, third spout, annotate gluey piece keeping away from fenestrate one end and second spout sliding fit, sliding connection has the extrusion piece in the third spout, the extrusion piece is equipped with the second inclined plane in the one end that is close to annotating gluey piece, annotate gluey piece and be equipped with the third inclined plane in the one end that is close to the extrusion piece, be equipped with T type slider on the second inclined plane, be equipped with T type spout on the third inclined plane, T type slider and T type spout sliding fit.

Compared with the prior art, the invention has the beneficial effects that: when the connector is butted with the ferrule body, the plug panel is popped out from the plug end of the ferrule body through the elastic supporting component, the plug panel is supported and fixed at the opening end of the dustproof piece, a reference plane is provided, the plane can be always parallel to the end face of the ferrule body under the action of the elastic supporting component, then the end face of the connector is abutted and contacted with the end face of the plug panel, and the connector is pushed to slide towards one end close to the ferrule body, in the sliding process, the elastic supporting component is compressed and generates acting force opposite to the plugging direction, the reaction force is far greater than the friction force between the connector and the dustproof piece, the effect of offsetting the friction force is achieved, the two sides of the connector are uniformly stressed, the end face of the connector is always abutted and contacted with the plug panel, and the gap between the end face of the connector and the plugging end face of the ferrule body is favorably reduced, compared with the prior art, the tightness of the joint is improved by 30% -50%, and finally the inserting panel is inserted into the first clamping groove and is flush with the inserting surface of the inserting core body, so that the butt joint of the end surface of the connector and the inserting end surface of the inserting core body is completed.

The invention has the following advantages: carry out fixed connection through optic fibre mounting alone with optic fibre, the accessible is dismantled optic fibre mounting and is directly taken out optic fibre from the lock pin body, carries out the injecting glue through single optic fibre line and single injecting glue spare and fixes, can guarantee the stability of every optic fibre line connection, compares with prior art, and the stability of transmission can improve 50% ~ 70%.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is one of the schematic structural views of an MPO ferrule of the present invention with which docking can be assisted;

FIG. 2 is a second schematic diagram of a butt-joint-assisted MPO ferrule according to the present invention;

FIG. 3 is an exploded view of an MPO ferrule of the present invention with complementary mating features;

FIG. 4 is a schematic diagram of a fiber mount of the present invention that facilitates docking of an MPO ferrule;

FIG. 5 is a schematic structural diagram of an injection molding member of an MPO ferrule capable of assisting in butt joint according to the present invention;

FIG. 6 is one of the cross-sectional views of a fiber mount for an MPO ferrule of the present invention that facilitates mating;

FIG. 7 is a second cross-sectional view of a fiber mount of an MPO ferrule of the present invention that facilitates mating.

Shown in the figure: 1-ferrule body, 11-dust-proof part, 111-positioning component, 112-first sliding chute, 12-optical fiber hole, 121-input end, 122-output end, 123-second clamping groove, 13-first clamping groove, 14-splicing panel, 141-first auxiliary through hole, 142-sliding plate, 1421-limiting plate, 1422-first inclined surface, 143-second auxiliary through hole, 15-elastic supporting component, 151-sliding rod, 152-spring, 16-positioning hole, 17-guiding groove and 18-spring groove;

2-optical fiber fixing piece, 21-glue injection piece, 211-through hole, 212-glue injection hole, 213-glue injection groove, 214-third inclined plane, 2141-T type sliding groove, 22-cover plate, 221-L type groove, 222-second sliding groove, 223-third sliding groove, 23-extrusion block, 231-second inclined plane and 2311-T type sliding block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-7, in the present embodiment, an MPO ferrule capable of assisting in butt joint includes a ferrule body 1, the inserting end of the inserting core body 1 is sleeved with a dustproof piece 11, the inserting end of the dustproof piece 11 is provided with an opening, eight optical fiber holes 12 are arranged on the ferrule body 1 in a penetrating way, the eight optical fiber holes 12 are arranged at equal intervals, and is located in the middle of the patch panel 14, and can be butted with the existing eight-core MPO connector, the patch panel 14 is provided with first auxiliary through holes 141 corresponding to the fiber holes 12, eight first auxiliary through holes 141 are provided, an elastic supporting component 15 is arranged between the plugging panel 14 and the ferrule body 1, one end of the elastic supporting component 15 is detachably connected with the plugging panel 14, one end of the elastic supporting part 15 is provided with a screw hole, and the plug-in panel 14 is detachably connected with the elastic supporting part 15 through a screw. The optical fiber ferrule comprises a ferrule body 1, wherein a dustproof piece 11 is sleeved at the plugging end of the ferrule body 1, an opening is formed at the plugging end of the dustproof piece 11, at least two optical fiber holes 12 are arranged on the ferrule body 1 in a penetrating manner, a first clamping groove 13 is formed at the plugging end of the ferrule body 1, a plugging panel 14 is arranged in the first clamping groove 13, the thickness of the plugging panel 14 is equal to the depth of the first clamping groove 13, the plugging panel 14 is in sliding fit with the side wall of the inner cavity of the dustproof piece 11, a first auxiliary through hole 141 corresponding to the optical fiber hole 12 is formed in the plugging panel 14, an elastic supporting component 15 is arranged between the plugging panel 14 and the ferrule body 1, one end of the elastic supporting component 15 is detachably connected with the plugging panel 14, and when the plugging panel 14 is worn, the original plugging panel 14 can be detached to replace a new plugging panel 14, the other end is connected with the inserting core body 1 in a sliding way.

Referring to fig. 1 and 2, when the connector is mated with the ferrule body 1, the plugging panel 14 is ejected from the plugging end of the ferrule body 1 through the elastic supporting member 15, and the plugging panel 14 is supported and fixed at the opening end of the dust-proof member 11, at this time, the elastic supporting member 15 is in a state of maximum elastic deformation, the plugging panel 14 provides a reference plane, and the plane can be always kept parallel to the end surface of the ferrule body 1 under the action of the elastic supporting member 15, and then the end surface of the connector is abutted against the end surface of the plugging panel 14, and the connector is pushed to slide towards one end close to the ferrule body 1, during the sliding process, the elastic supporting member 15 is compressed and simultaneously generates an acting force opposite to the plugging direction, wherein the reaction force is far greater than the friction force between the connector and the dust-proof member 11, which has the effect of offsetting the friction force and makes both sides of the connector uniformly stressed, play the terminal surface of connector and the contact of keeping supporting all the time of inserting panel 14, be favorable to reducing the terminal surface of connector and the clearance between the grafting terminal surface of lock pin body 1, compared with the prior art the compactness of laminating has improved 30% -50%, at last inserting panel 14 inserts in first draw-in groove 13, and with the grafting face parallel and level of lock pin body 1, elastic support part 15 is compressed this moment, fix a position grafting panel 14 through locating component 111 on the dust proof 11, make elastic support part 15 keep the compression state, thereby accomplish the butt joint of the terminal surface of connector and the grafting terminal surface of lock pin body 1.

Referring to fig. 3, in this embodiment, preferably, the elastic supporting member 15 includes a sliding rod 151 slidably connected to the ferrule body 1, a spring 152 is coaxially disposed through the sliding rod 151, a spring slot 18 for mounting the spring 152 is disposed on the ferrule body 1, one end of the spring slot 18 is communicated with the first card slot 13, one end of the spring 152 abuts against an inner side surface of the plugging panel 14, the other end of the spring 152 abuts against an inner end surface of the spring slot 18, and the dust-proof component 11 is disposed with a positioning component 111 for fixing the plugging panel 14; when the connector is butted with the ferrule body 1, firstly, the plug panel 14 is loosened by the positioning component 111, at this time, the spring 152 is released, so that the plug panel 14 is popped out towards the outside of the first clamping groove 13, when the spring 152 is restored to natural length, the end surface of the plug panel 14 is parallel and level with the opening end of the dustproof piece 11, after the plug end surface of the external connector is abutted against the plug end surface of the plug panel 14, the connector is pushed to slide towards one end close to the ferrule body 1, in the sliding process, the spring 152 is compressed and generates an acting force opposite to the plugging direction at the same time until the plug panel 14 is inserted into the first clamping groove 13 and is parallel and level with the plug end surface of the ferrule body 1, the plug panel 14 is positioned by the positioning component 111 on the dustproof piece 11, so that the spring 152 is kept in a compressed state, and the butt joint of the end surface of the connector and the plug end surface of the ferrule body 1 is completed.

Referring to fig. 1, in the present embodiment, four first sliding slots 112 are concavely disposed on a side wall of an inner cavity of the dust-proof component 11, four sliding plates 142 are outwardly disposed on an outer side of the plug-in panel 14, the sliding plates 142 are in sliding fit with the first sliding slots 112, the positioning component 111 includes an elastic fastener penetrating the first sliding slots 112 and a pressing portion engaged with the elastic fastener, the pressing portion is exposed on an outer side surface of the dust-proof component 11, two sets of the positioning components 111 are disposed and are symmetrically disposed with respect to a center line of the dust-proof component 11, and fastening positions engaged with the elastic fastener are disposed on two of the sliding plates 142. In the invention, at least two first sliding grooves 112 are concavely arranged on the side wall of the inner cavity of the dust-proof piece 11, at least two sliding plates 142 are outwards arranged on the outer side of the plug panel 14, the sliding plates 142 are in sliding fit with the first sliding grooves 112, the positioning assembly 111 comprises an elastic fastener penetrating through the first sliding grooves 112 and a pressing part matched with the elastic fastener, the pressing part is exposed out of the outer side surface of the dust-proof piece 11, and a fastening position matched with the elastic fastener is arranged on the sliding plate 142; during the use, pressing the splenium through pressing for elastic fastener deformation, the trip extracts from the knot position of slide 142 on the elastic fastener, when pegging graft panel 14 and first buckle parallel and level, presses the splenium through the release, makes elastic fastener resume the shape, and the trip inserts in the knot position of slide 142 on the elastic fastener.

Referring to fig. 3, preferably, the outer side surface of the sliding plate 142 is convexly provided with four limiting plates 1421, the limiting plates 1421 are used to fix an external connector, in this embodiment, four sliding plates 142 are provided, four limiting plates 1421 are provided, the four limiting plates 1421 are respectively used to fix four side surfaces of the external connector, so as to improve stability during plugging, the inner side surface of the sliding plate 142 is provided with a first inclined surface 1422 facing the elastic buckling position, when in use, the elastic buckling position is extruded by the first inclined surface 1422 to deform and temporarily retract into the first sliding groove 112, when the buckling position on the plugging panel 14 slides to a position corresponding to the elastic buckling position, the elastic buckling position recovers a shape, and the hook is inserted into the buckling position of the plugging panel 14, thereby completing positioning of the plugging panel 14.

Referring to fig. 2, in the present embodiment, two positioning holes 16 are formed through the ferrule body 1, the two positioning holes 16 are respectively located at the left and right sides of the optical fiber hole 12, and the plugging panel 14 is provided with second auxiliary through holes 143 corresponding to the positioning holes 16 one to one. In the invention, a positioning hole 16 penetrates through the ferrule body 1, the positioning hole 16 is positioned at one side of the optical fiber hole 12, and the splicing panel 14 is provided with second auxiliary through holes 143 corresponding to the positioning holes 16 one to one; the positioning hole 16 is in sliding fit with a guide pin of the external connector, and plays a role in guiding when the external connector is inserted.

Referring to fig. 3, in the present embodiment, the optical fiber fixing member 2 detachably connected to a side portion of the ferrule body 1 is further included, the optical fiber fixing member 2 is connected to the ferrule body 1 through screws, eight glue injection members 21 are disposed on one side of the optical fiber fixing member 2 close to the optical fiber holes 12, the optical fiber holes 12 include input ends 121 disposed at insertion ends of the ferrule body 1 and output ends 122 disposed at free ends of the ferrule body 1, second clamping grooves 123 for mounting the glue injection members 21 are disposed between the input ends 121 and the output ends 122, and the second clamping grooves 123 are eight and can be butted with an existing eight-core MPO connector. The optical fiber fixing part comprises an optical fiber fixing part 2 detachably connected to the side part of a ferrule body 1, wherein at least two glue injection parts 21 are arranged on one side of the optical fiber fixing part 2 close to an optical fiber hole 12, the optical fiber hole 12 comprises an input end 121 arranged at the inserting end of the ferrule body 1 and an output end 122 arranged at the free end of the ferrule body 1, a second clamping groove 123 for mounting the glue injection parts 21 is arranged between the input end 121 and the output end 122, and a through hole 211 for communicating the input end 121 and the output end 122 is arranged on the glue injection part 21; glue injection is performed on the single optical fiber line and the single glue injection piece 21 for fixation, so that the stability of connection of each optical fiber can be ensured.

Referring to fig. 4, in the present embodiment, five glue injection holes 212 with openings at two ends are formed in the glue injection member 21, and the glue injection holes 212 are communicated with the through holes 211. In the invention, the glue injection piece 21 is provided with at least two glue injection holes 212 with one end opened or two ends opened, and the glue injection holes 212 are communicated with the through holes 211, so that the contact area of glue and an optical fiber line can be increased, and the stability of fixation is improved.

Referring to fig. 4, in the present embodiment, two sides of the glue injection member 21 are recessed to form a glue injection groove 213, an opening of the glue injection hole 212 is disposed in the glue injection groove 213, and glue is injected into both sides simultaneously, so that the glue is more uniform and the stability is improved. In the invention, one side or two sides of the glue injection part 21 are inwards provided with a glue injection groove 213, and the opening of the glue injection hole 212 is arranged in the glue injection groove 213; through the glue injection groove 213 that establishes concavely, prevent that glue from solidifying the back and forming the lug in the both sides of annotating the piece 21 of gluing to influence the joint of annotating the piece 21 and second draw-in groove 123, be favorable to annotating the piece 21 and accomplish the plug in second draw-in groove 123.

Preferably, the optical fiber fixing member 2 further includes a cover plate 22, the glue injection member 21 is slidably connected to an inner side portion of the cover plate 22 at an end away from the through hole 211, the ferrule body 1 is recessed inward to form an introduction groove 17, the introduction groove 17 is communicated with the second locking groove 123, and an outer side portion of the cover plate 22 covers the introduction groove 17.

Referring to fig. 5, in the present embodiment, eight L-shaped grooves 221 are formed in the cover plate 22, each L-shaped groove 221 includes a second sliding groove 222 and a third sliding groove 223, an end of the glue injection member 21 far away from the through hole 211 is in sliding fit with the second sliding groove 222, an extrusion block 23 is slidably connected in the third sliding groove 223, a second inclined surface 231 is formed at an end of the extrusion block 23 close to the glue injection member 21, a third inclined surface 214 is formed at an end of the glue injection member 21 close to the extrusion block 23, a T-shaped slider 2311 is arranged on the second inclined surface 231, a T-shaped sliding groove 2141 is formed on the third inclined surface 214, and the T-shaped slider 2311 is in sliding fit with the T-shaped sliding groove 2141.

Referring to fig. 6 and 7, in use, firstly, eight optical fiber wires correspondingly pass through the through holes 211 of the eight glue injection members 21, the extrusion block 23 is slid leftwards with the upper, lower, left and right sides in fig. 6 and 7 as references, at this time, the third inclined surface 214 on the glue injection member 21 is slidably fitted with the second inclined surface 231 on the extrusion block 23, so that the glue injection member 21 slides downwards, the glue injection grooves 213 on the left and right sides of the glue injection member 21 are higher than the rest of the glue injection members 21, glue injection is facilitated, and it can be ensured that the optical fiber wires on each glue injection member 21 can be sprayed with glue, after glue injection is completed, as shown in fig. 6, the extrusion block 23 is slid rightwards, the extrusion block 23 can pull up the glue injection members 21 through the T-shaped sliding grooves 2141 and the T-shaped sliding blocks 2311, after the glue is solidified, one end of the optical fiber wire passes through the input end 121 of the ferrule main body, the other end passes through the output end 122 of the optical fiber main body, and finally, the optical fiber fixing member 2 is inserted into the guide groove 17, thereby completing the fixation of the optical fiber line.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a but MPO lock pin of supplementary butt joint, includes the lock pin body, the grafting pot head of lock pin body is equipped with the dustproof piece, the grafting end of dustproof piece is equipped with the opening, its characterized in that, run through on the lock pin body and be equipped with two at least optical fiber holes, the grafting end of lock pin body is opened there is first draw-in groove, be equipped with the grafting panel in the first draw-in groove, the inner chamber lateral wall sliding fit of grafting panel and dustproof piece, be equipped with the first supplementary through-hole that corresponds with the optical fiber hole on the grafting panel, the grafting panel with be equipped with the elastic support part between the lock pin body, the one end and the grafting panel of elastic support part can be dismantled and be connected, the other end and lock pin body sliding connection.

2. The MPO ferrule capable of assisting in butt joint according to claim 1, wherein the elastic support member comprises a slide rod slidably connected to the ferrule body, a spring coaxially penetrates through the slide rod, a spring groove for mounting the spring is formed in the ferrule body, one end of the spring groove is communicated with the first clamping groove, one end of the spring abuts against an inner side surface of the plug-in panel, the other end of the spring abuts against an inner end surface of the spring groove, and a positioning assembly for fixing the plug-in panel is arranged on the dust-proof member.

3. The MPO ferrule capable of assisting in butt joint according to claim 2, wherein at least two first sliding grooves are concavely formed in the side wall of the inner cavity of the dust-proof member, at least two sliding plates are outwards and outwardly arranged on the outer side of the splicing panel, the sliding plates are in sliding fit with the first sliding grooves, the positioning assembly comprises an elastic fastener penetrating the first sliding grooves and a pressing portion matched with the elastic fastener, the pressing portion is exposed out of the outer side surface of the dust-proof member, and a buckling position matched with the elastic fastener is arranged on the sliding plate.

4. The MPO ferrule capable of assisting in butt joint according to claim 3, wherein a limiting plate is convexly arranged on the outer side surface of the sliding plate, and a first inclined surface facing the elastic buckling position is arranged on the inner side surface of the sliding plate.

5. The MPO ferrule capable of assisting in butt joint according to claim 1, wherein a positioning hole is formed in the ferrule body in a penetrating manner, the positioning hole is located on one side of the optical fiber hole, and second auxiliary through holes corresponding to the positioning holes in a one-to-one manner are formed in the splicing panel.

6. The MPO ferrule capable of assisting in butt joint according to claim 1, further comprising an optical fiber fixing member detachably connected to a side portion of the ferrule body, wherein the optical fiber fixing member is provided with at least two glue injection members at a side close to the optical fiber hole, the optical fiber hole comprises an input end arranged at a plugging end of the ferrule body and an output end arranged at a free end of the ferrule body, a second clamping groove for mounting the glue injection member is arranged between the input end and the output end, and the glue injection member is provided with a through hole for communicating the input end and the output end.

7. The MPO ferrule capable of assisting in butt joint according to claim 6, wherein the glue injection piece is provided with at least two glue injection holes with one end open or two ends open, and the glue injection holes are communicated with the through holes.

8. The MPO ferrule capable of assisting in butt joint according to claim 7, wherein one side or two sides of the glue injection piece are provided with glue injection grooves inwards, and the opening of the glue injection hole is arranged in the glue injection groove.

9. The MPO ferrule capable of assisting in butt joint according to claim 6, wherein the fiber fixing member further comprises a cover plate, one end of the glue injection member far away from the through hole is slidably connected with the inner side portion of the cover plate, the ferrule body is inwards provided with an introduction groove, the introduction groove is communicated with the second clamping groove, and the outer side portion of the cover plate covers the introduction groove.

10. The MPO ferrule capable of assisting in butt joint according to claim 9, wherein the cover plate is provided with at least two L-shaped grooves, each L-shaped groove comprises a second chute and a third chute, the end of the glue injection piece far away from the through hole is in sliding fit with the second chute, an extrusion block is connected in the third chute in a sliding manner, a second inclined surface is arranged at one end of the extrusion block close to the glue injection piece, a third inclined surface is arranged at one end of the glue injection piece close to the extrusion block, a T-shaped sliding block is arranged on the second inclined surface, a T-shaped chute is arranged on the third inclined surface, and the T-shaped sliding block is in sliding fit with the T-shaped chute.