CN113376756A - Ferrule assembly and optical fiber quick connector with same - Google Patents

Ferrule assembly and optical fiber quick connector with same Download PDF

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Publication number
CN113376756A
CN113376756A CN202110623150.8A CN202110623150A CN113376756A CN 113376756 A CN113376756 A CN 113376756A CN 202110623150 A CN202110623150 A CN 202110623150A CN 113376756 A CN113376756 A CN 113376756A
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CN
China
Prior art keywords
pressing
tailstock
ferrule assembly
ferrule
optical fiber
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Pending
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CN202110623150.8A
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Chinese (zh)
Inventor
陈仕军
郑镇宏
孙健
黄雪云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chaozhou Three Circle Group Co Ltd
Nanchong Three Circle Electronics Co Ltd
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Chaozhou Three Circle Group Co Ltd
Nanchong Three Circle Electronics Co Ltd
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Application filed by Chaozhou Three Circle Group Co Ltd, Nanchong Three Circle Electronics Co Ltd filed Critical Chaozhou Three Circle Group Co Ltd
Priority to CN202110623150.8A priority Critical patent/CN113376756A/en
Publication of CN113376756A publication Critical patent/CN113376756A/en
Priority to PCT/CN2022/094594 priority patent/WO2022253039A1/en
Priority to EP22815086.8A priority patent/EP4354191A1/en
Priority to BR112023025441A priority patent/BR112023025441A2/en
Pending legal-status Critical Current

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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
    • G02B6/3869—Mounting ferrules to connector body, i.e. 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Abstract

The invention relates to the technical field of connectors and discloses a ferrule assembly and an optical fiber quick connector with the ferrule assembly, wherein the ferrule assembly comprises a tailstock, a ferrule, a pressing block and a lock catch, a window part is formed in the tailstock, and a supporting platform is arranged in the window part; one end of the tailstock is provided with an opening; an accommodating cavity for accommodating the optical fiber is formed in the insertion core; one end of the inserting core penetrates through the opening and then is in abutting connection with the supporting platform to form a step part, and the step part is provided with a groove part; the other end of the core insert is positioned outside the tailstock; the pressing and sticking block comprises a pressing part, a flexible part and a tail handle part, the pressing part is in abutting connection with the groove part, and the tail handle part is in abutting connection with the step part; the flexible part is respectively connected with the pressing part and the tail handle part; the lock catch is slidably sleeved on the tailstock. The invention has high assembly efficiency, compact structure and high stability.

Description

Ferrule assembly and optical fiber quick connector with same
Technical Field
The invention relates to the technical field of connectors, in particular to a ferrule assembly and an optical fiber quick connector with the ferrule assembly.
Background
The existing optical fiber connector mainly comprises a straight-through type and an embedded type, wherein the embedded type connector is that an optical fiber is embedded in an inner hole of an insertion core body, one end of the embedded type connector penetrates through the insertion core body and forms an end head butted with a normal connector after grinding and polishing, and the other end of the embedded type connector is exposed for a certain length and is used for connecting an external optical fiber.
A pre-buried connector typically includes a ferrule assembly, a connector body, and components such as a front sleeve, a rear sleeve, a cable clamp, and the like. The ferrule assembly is a core component of the embedded connector.
Generally, the components of the ferrule assembly include: the optical fiber connector comprises a core insert with an inner hole, a pressing block, a tailstock, a pre-buried optical fiber and a lock catch. One end of the inserting core is an inserting end, and the other end of the inserting core forms a groove part with an exposed inner hole; the embedded optical fiber is arranged in an inner hole of the ferrule, one end of the embedded optical fiber is located at the inserting end of the ferrule, and the other end of the embedded optical fiber is located in the groove portion of the ferrule. The tail seat is provided with a window part, the window part is provided with a step part, the inserting core is sleeved in the tail seat, so that the inserting end protrudes out of the front end opening of the tail seat, and the groove part is exposed out of the window part. The pressing and pasting block comprises a pressing part and a tail handle part; the pressing and pasting block is arranged in the window part, so that the pressing part is matched with the groove part, and the tail handle part is matched with the step part. The lock catch is movably sleeved outside the tailstock.
When the ferrule assembly is in an unlocking state, the lock catch is positioned at a position corresponding to the tail handle part, a certain surplus space is formed between the pressing part and the bottom surface of the groove part, and the external optical fiber is inserted into an exposed inner hole of the groove part and is in butt joint with the embedded optical fiber; then the lock catch is moved to the position corresponding to the pressing part, so that the ferrule assembly is in a locking state, and the pressing part presses the optical fiber butt joint point.
In actual work, along with the movement of the lock catch towards the locking direction, the tail handle part of the pressing block needs to deform to a certain extent, so that the pressing part is tightly matched with the bottom surface of the groove part. However, the pressing block has high strength, and a large pushing force is required to be applied to the lock catch to move the lock catch to the position corresponding to the pressing part, so that the operation is labor-consuming and the assembly efficiency is low; in addition, the higher strength of the pressing and sticking block also causes that the pressing and sticking block is not tightly matched with the bottom surface of the groove part due to the large deformation and recovery force of the pressing and sticking block in a locking state, and the problem that the optical fiber butt joint point is not tightly pressed frequently occurs. Simultaneously, after a plurality of times of unlocking and locking operations, the pressing and attaching block is easy to generate irreversible deformation, so that the stability of the optical fiber connector is reduced.
Disclosure of Invention
The invention aims to provide a ferrule assembly and an optical fiber quick connector with the ferrule assembly, which have the advantages of high assembly efficiency, compact structure and high stability.
In order to solve the technical problem, the invention provides a ferrule assembly, which comprises a tailstock, a ferrule, a pressing block and a lock catch, wherein a window part is formed on the tailstock, and a supporting platform is arranged in the window part; one end of the tailstock is provided with an opening; an accommodating cavity for accommodating the optical fiber is formed in the insertion core; one end of the inserting core penetrates through the opening and then is combined with the supporting platform to form a step part, a groove part corresponding to the window part is formed in the step part, and the accommodating cavity is exposed out of the groove part; the other end of the core insert is positioned outside the tailstock; the pressing and sticking block comprises a pressing part, a flexible part and a tail handle part, the pressing part is in abutting connection with the groove part, and the tail handle part is in abutting connection with the step part; the flexible part is respectively connected with the pressing part and the tail handle part; the lock catch is slidably sleeved on the tailstock.
Preferably, the bottom surface of the pressing part is a plane structure, and the width of the pressing part is smaller than the maximum width of the pressing part.
Preferably, the width K of the bottom surface of the pressing part1With maximum width K of the pressing part2The ratio is (0.1-0.5): 1.
preferably, the maximum thickness H of the pressing portion3Are respectively larger than the thickness H of the flexible part1And said tail shank portionThickness H2Thickness H of said tail portion2Is greater than the thickness H of the flexible part1。
Preferably, the perpendicular distance S between the bottom surface of the tail portion and the bottom surface of the pressing portion1Is smaller than the maximum vertical distance S between the top surface of the step part and the bottom surface of the groove part2。
Preferably, said S1And S2Satisfies the following conditions:
0.02mm≤S2－S1；
said H1And H3Satisfies the following conditions:
Figure BDA0003099679500000021
0.2mm≤H1≤0.7mm。
preferably, the ferrule includes a first ferrule, a second ferrule and a connecting member, the socket is provided at the first ferrule, the groove portion is provided at the second ferrule, and the first ferrule and the second ferrule are connected by the connecting member.
Preferably, one end of the tailstock far away from the opening is provided with a limiting clamping hook and a slot, and the slot extends along the long axis direction of the tailstock.
Preferably, one end of the tailstock is cylindrical, and the diameter ratio of the width of the slot to the end of the tailstock is not more than 0.5: 1.
the invention also provides an optical fiber quick connector, which comprises a main body and the ferrule assembly, wherein the ferrule assembly is arranged in the main body.
The invention has the following beneficial effects:
according to the matching structure design of the pressing block, the groove part and the window part of the tailstock, the lock catch can move to the position corresponding to the pressing part without excessive force in the locking process, and the assembling efficiency is high; in a locking state, because the deformation of the pressing block mainly occurs in the flexible part, the flexible part has good flexibility and small deformation restoring force, the pressing part of the pressing block is tightly matched with the bottom surface of the groove part under the acting force of the lock catch, and the optical fiber butt joint point is pressed tightly; the good flexibility of the flexible part enables the flexible part to have better anti-fatigue capability, the original performance of the pressing block can be kept after multiple unlocking and locking operations, and the stability of the optical fiber connector is prevented from being reduced; meanwhile, the width of the bottom surface of the pressing part of the pressing block is small, so that the phenomenon that the optical fiber butt joint point cannot be compacted due to the inclination of the optical fiber butt joint platform can be effectively avoided, and the yield and the quality of products are ensured.
Drawings
FIG. 1 is a schematic structural diagram of a ferrule assembly provided by an embodiment of the present invention;
figure 2 is an exploded view of a ferrule assembly provided by an embodiment of the present invention;
figure 3 is a cross-sectional view of a ferrule assembly provided by an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a pressure block according to an embodiment of the present invention;
FIG. 5 is a side view of a lamination block provided by an embodiment of the present invention;
FIG. 6 is a diagram illustrating the effect of a conventional plunger when the docking platform is tilted;
FIG. 7 is a diagram illustrating the effect of the pressing block according to the embodiment of the present invention
FIG. 8 is a diagram illustrating the effect of the pressing block provided by the embodiment of the present invention when the docking platform is tilted;
fig. 9 is a schematic structural diagram of a tailstock provided in an embodiment of the present invention;
figure 10 is an unlocked state diagram of a ferrule assembly provided by an embodiment of the present invention;
FIG. 11 is an enlarged view at A of FIG. 10;
figure 12 is a lock state diagram of a ferrule assembly provided by an embodiment of the present invention;
FIG. 13 is an enlarged view at B of FIG. 12;
FIG. 14 is a schematic diagram of a fiber optic quick connector according to an embodiment of the present invention;
FIG. 15 is an exploded view of the fiber optic quick connector of FIG. 14;
FIG. 16 is a schematic view of the main body of the fiber optic quick connector of FIG. 14;
FIG. 17 is a schematic diagram of a front cover construction of the fiber optic quick connector of FIG. 14;
FIG. 18 is a schematic view of another embodiment of a fiber optic quick connector according to the present invention;
FIG. 19 is a schematic view of another embodiment of a fiber optic quick connector according to the present invention;
fig. 20 is a diagram illustrating a process of assembling a tailstock of a fiber optic quick connector according to an embodiment of the present invention.
Reference numerals: 1. a tailstock; 101. a window section; 102. a support platform; 103. an opening; 104. a limiting clamping hook; 105. grooving; 2. inserting a core; 201. an accommodating chamber; 202. a groove part; 203. a first ferrule; 204. a connecting member; 205. a second ferrule; 3. pressing a sticking block; 301. a pressing part; 302. a flexible portion; 303. a tail handle portion; 304. a sloping transition surface; 4. locking; 5. a step portion; 6. a main body; 601. a body window portion; 602. a first abutment projection; 603. a second abutment projection; 604. a limiting bulge; 7. a ferrule assembly; 8. a rear sleeve; 9. an optical cable clamping part; 10. a front cover; 1001. abutting against the window; 1002. the front butt joint edge; 1003. a rear abutting edge; 11. and (7) a cover plate.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1 to 3, a ferrule 2 assembly according to a preferred embodiment of the present invention includes a tailstock 1, a ferrule 2, a pressing block 3, and a lock catch 4, wherein a window 101 is formed on the tailstock 1, and a supporting platform 102 is disposed in the window 101; one end of the tailstock 1 is provided with an opening 103; an accommodating cavity 201 for accommodating optical fibers is formed in the ferrule 2; one end of the ferrule 2 passes through the opening 103 and then is combined with the supporting platform 102 to form a step portion 5, and the step portion is provided with a groove portion 202 corresponding to the window portion 101, and the accommodating cavity 201 is exposed on the groove portion 202; the other end of the ferrule 2 is positioned outside the tailstock 1; the pressing block 3 comprises a pressing part 301, a flexible part 302 and a tail handle part 303, wherein the pressing part 301 is in interference connection with the groove part 202, and the tail handle part 303 is in interference connection with the step part 5; the flexible part 302 is respectively connected with the pressing part 301 and the tail handle part 303; the lock catch 4 is slidably sleeved on the tailstock 1.
It should be noted that optical fibers are pre-buried in the accommodating cavity 201; the end of the insertion core, which is positioned outside the tailstock, is a plugging end, and the plugging end is used for being connected with other adapters or connectors.
Based on the above scheme, the operation principle of the ferrule 2 assembly of the preferred embodiment of the present invention is as follows: inserting an optical cable with an external optical fiber from the tail end of the tailstock 1, so that the external optical fiber is inserted into the accommodating cavity 201 on the groove part 202 and is butted with the pre-embedded optical fiber in the accommodating cavity 201, and matching the pressing part 301 of the pressing block 3 with the groove part 202 and matching the tail handle part 303 with the step part 5; then, the lock catch 4 is sleeved outside the tailstock 1 and moved from the unlocking position to the locking position, so that the pressing portion 301 is tightly matched with the groove portion 202 to press the optical fiber butt joint, and the assembly is completed.
Referring to fig. 4 to 8, preferably, the bottom surface of the pressing portion 301 is a planar structure, and the width of the pressing portion 301 is smaller than the maximum width of the pressing portion 301. Specifically, the width of the lower surface of the pressing part 301 is small, and the flatness of the lower surface is easier to control, so that the influence of flatness deviation of the lower surface of the pressing part 301 on the degree of pressing the optical fiber butt joint point is effectively reduced, and the manufacturing process difficulty and cost of the pressing block 3 are reduced; the width of the lower surface of the pressing portion 301 is small, when the opening direction of the groove portion 202 is not parallel to the opening direction of the window portion 101, the gap between the lower surface of the pressing portion 301 and the bottom surface of the groove portion 202 cannot be too large due to the width of the lower surface of the pressing portion 301, and therefore the situation that the optical fiber butt joint cannot be pressed tightly is effectively reduced when the assembly ferrule 2 assembly is assembled, and the assembly efficiency is greatly improved on the premise that the performance of the optical fiber connector is guaranteed.
Preferably, the width K of the bottom surface of the pressing portion 3011And the maximum width K of the pressing part 3012The ratio is (0.1-0.5): 1. in particular, if K1Too large, the pressing block 3 is easy to cause that the optical fiber butt joint cannot be pressed because the opening direction of the groove part 202 is not strictly parallel to the opening direction of the window part 101 in the assembling process, and the product performance is influenced; on the other hand, the influence of the flatness deviation of the lower surface of the pressing part 301 on the pressing degree of the optical fiber butt joint is increased, so that the K is required under the same pressing degree1When the size is large, the requirement on the uniformity of the flatness of the lower surface of the pressing part 301 is extremely high, the process difficulty is increased, and the cost is high. If K is1Too small is disadvantageous for completely covering the receiving cavity exposed by the recessed portion 202.
Preferably, the maximum thickness H of the pressing portion 3013Are respectively larger than the thickness H of the flexible part 3021And the thickness H of the tail portion 3032Said tail handle part303 of thickness H2Is greater than the thickness H of the flexible part 3021. Specifically, the pressing block 3 has a flexible portion 302, and during the locking and unlocking processes, deformation of the pressing block 3 mainly occurs in the flexible portion 302, and the flexible portion 302 is thin and high in flexibility, so that deformation is easy to occur, and labor is saved in assembly.
Preferably, the perpendicular distance S between the bottom surface of the tail portion 303 and the bottom surface of the pressing portion 3011Is smaller than the maximum vertical distance S between the top surface of the step portion 5 and the bottom surface of the recessed portion 2022. Specifically, S1＜S2The matching structure design of (1) can ensure that the external optical fiber is smoothly inserted into the inner hole of the groove part 202 in the unlocking state, and the pressing part 301 can press the optical fiber butt joint point in the locking state.
Preferably, said S1And S2Satisfies the following conditions:
0.02mm≤S2－S1；
further, S2－S1≤0.3mm；
Said H1And H3Satisfies the following conditions:
Figure BDA0003099679500000071
0.2mm≤H1≤0.7mm。
specifically, through the size design of the pressing block 3, the flexibility portion 302 has good toughness and high strength, the locking difficulty (the difficulty of deformation of the flexibility portion 302 during locking) is reduced, the fatigue resistance is excellent, and the locking and unlocking operation can be repeated for multiple times without the reduction of the mechanical property of the pressing block 3; s2And S1The difference value in this range can ensure that the external optical fiber can be smoothly inserted into the inner hole of the groove portion 202 in the non-deformed state of the flexible portion 302 on the one hand, and can ensure that the pressing portion 301 can press the butt joint point of the embedded optical fiber and the external optical fiber in the deformed state of the flexible portion 302 on the other hand, thereby ensuring the coaxial alignment of the two optical fibers.
Preferably, the ferrule 2 includes a first ferrule 203, a second ferrule 205 and a connector 204, the socket 203 is opened at the first ferrule 203, the groove portion 202 is opened at the second ferrule 205, and the first ferrule 203 and the second ferrule 205 are connected by the connector 204.
Referring to fig. 9 and fig. 20, as a preferable scheme, one end of the tailstock 1 is provided with a limiting hook 104 and a slot 105, and the slot 105 extends along the long axis direction of the tailstock 1. Specifically, in the process of assembling the optical fiber connector, the deformation of the limiting hook 104 passing through the gap is mainly borne by the tail end of the tailstock 1, so that the phenomenon that the limiting protrusion of the connector body is deformed too much to cause permanent deformation or damage is avoided, and the stability of the optical fiber connector is ensured. Meanwhile, the deformation capacity of the tail end of the tailstock 1 is increased, so that labor is saved during manual assembly, and the assembly efficiency is high.
Preferably, one end of the tailstock 1 is cylindrical, and the ratio of the width of the slot 105 to the diameter of the end of the tailstock 1 is not more than 0.5: 1. specifically, if the width of the slot 105 is too large, the barb strength is too low, and the tail stock 1 is easily removed from the inner hole of the connector body.
Preferably, two slots 105 are symmetrically arranged at the tail end of the tailstock 1.
Preferably, the lock catch 4 can move in a position area corresponding to the pressing block 3, and the lock catch 4 is in interference fit when located in a position corresponding to the pressing portion 301.
Preferably, the upper surface of the pressing portion 301 is convex compared with the upper surface of the flexible portion 302, and an inclined transition surface is arranged between the upper surface of the pressing portion 301 and the upper surface of the flexible portion 302.
Referring to fig. 10 to 12, preferably, when the ferrule assembly is in the unlocked state, the lock catch 4 is located at a position corresponding to the tail handle portion 303, and an excess space is formed between the lower surface of the pressing portion 301 and the bottom surface of the groove portion 202; when the ferrule 2 assembly is in a locked state, the latch 4 is located at a position corresponding to the pressing portion 301, and the lower surface of the pressing portion 301 is tightly fitted with the bottom surface of the groove portion 202.
Preferably, when the ferrule 2 assembly is in the unlocked state, the flexible portion 302 is in a natural unstressed deformed state; when the ferrule 2 assembly is in the locked state, the flexible portion 302 is in a forced deformed state.
Preferably, the height H of the surplus space4The height difference S between the upper surface of the pressing part 301 and the upper surface of the flexible part 302 is less than or equal to3. This design ensures that the lower surface of the pressing portion 301 is closely fitted to the bottom surface of the groove portion 202 when the lock catch 4 is moved to the area of the pressing portion 301.
Referring to fig. 13 to 19, the preferred embodiment of the present invention further provides an optical fiber quick connector, which includes a body 6 and the ferrule assembly 7 of any one of the above, wherein the ferrule assembly 7 is installed in the body 6.
The main body 6 of the fiber optic quick connector has a main body window 601, the ferrule assembly 7 is sleeved in the inner cavity of the main body 6, so that one end of the ferrule protrudes out of the front end opening 103 of the main body 6, and the latch 4 is exposed out of the main body window 601 in a movable range.
Preferably, the fiber optic quick connector further comprises a rear ferrule 8 and a cable retaining portion 9. The optical cable clamping part 9 is arranged at the tail end of the main body 6, and the rear sleeve 8 is sleeved outside the tail end of the main body 6.
Preferably, the cable clamping portion 9 is detachable from the main body 6 or is integral with the main body 6.
Preferably, the connection mode of the rear sleeve 8 and the main body 6 can be as follows: rotatable connection, screw connection, or snap connection.
Preferably, the fiber optic connector further includes a front cover 10. The front cover 10 is sleeved outside the front end of the main body 6. A first abutting projection 602 and a second abutting projection 603 are formed on the outer surface of at least one side wall of the front end of the main body 6, and the two abutting projections are arranged at intervals along the axial direction of the main body 6; at least one side wall of the front sleeve 10 is provided with an abutting window 1001, the front sleeve 10 is sleeved outside the front end of the main body 6, the two abutting protrusions are positioned in the abutting window 1001, the first abutting protrusion 602 can abut against a front abutting edge 1002 of the abutting window 1001 so as to limit the backward movement of the front sleeve 10, and the second abutting protrusion 603 can abut against a rear abutting edge 1003 of the abutting window 1001 so as to limit the forward movement of the front sleeve 10. Wherein the height of the first abutment protrusion 602 is lower than the height of the second abutment protrusion 603, and the front abutment edge 1002 is closer to the inner cavity of the front sleeve 10 than the rear abutment edge 1003. The front cover 10 is provided with a push-clamp coordination opening 103, and the lock catch 4 is exposed from the push-clamp coordination opening 103.
Preferably, the side wall in the inner cavity of the main body 6 is provided with a limiting protrusion 604, and the limiting protrusion 604 and the limiting hook 104 form a snap fit to limit the movement of the ferrule assembly 7 towards the front end of the main body 6.
In summary, the preferred embodiment of the present invention provides a ferrule assembly and a fiber optic quick connector having the same, which are compared with the prior art:
according to the matching structure design of the pressing and sticking block 3, the groove part 202 and the window part 101 of the tailstock 1, the lock catch 4 can move to the position corresponding to the pressing part 301 without excessive force in the locking process, and the assembling efficiency is high; in a locked state, because the deformation of the pressing block 3 mainly occurs in the flexible part 302, the flexible part 302 has good flexibility and small deformation restoring force, the pressing part 301 of the pressing block 3 is tightly matched with the bottom surface of the groove part 202 under the acting force of the lock catch 4, and the optical fiber butt joint point is pressed tightly; the good flexibility of the flexible portion 302 enables the flexible portion to have good anti-fatigue capability, and the original performance of the pressure sticking block 3 can be kept after multiple unlocking and locking operations, so that the stability of the optical fiber connector is prevented from being reduced.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (10)

1. A ferrule assembly, characterized in that: the method comprises the following steps:
the tailstock is provided with a window part, and a supporting platform is arranged in the window part; one end of the tailstock is provided with an opening;
the optical fiber connector comprises a ferrule, wherein a containing cavity for containing an optical fiber is formed in the ferrule; one end of the inserting core penetrates through the opening and then is combined with the supporting platform to form a step part, a groove part corresponding to the window part is formed in the step part, and the accommodating cavity is exposed out of the groove part; the other end of the core insert is positioned outside the tailstock;
the pressing and sticking block comprises a pressing part, a flexible part and a tail handle part, the pressing part is in abutting connection with the groove part, and the tail handle part is in abutting connection with the step part; the flexible part is respectively connected with the pressing part and the tail handle part;
the lock catch is slidably sleeved on the tailstock.
2. The ferrule assembly of claim 1, wherein: the bottom surface of the pressing part is of a plane structure, and the width of the pressing part is smaller than the maximum width of the pressing part.
3. The ferrule assembly of claim 2, wherein: width K of the bottom surface of the pressing part1With maximum width K of the pressing part2The ratio is (0.1-0.5): 1.
4. the ferrule assembly of claim 1, wherein: maximum thickness H of the pressing part3Are respectively larger than the thickness H of the flexible part1And the thickness H of the tail portion2Thickness H of said tail portion2Is greater than the thickness H of the flexible part1。
5. The ferrule assembly of claim 4, wherein: the vertical distance S between the bottom surface of the tail handle part and the bottom surface of the pressing part1Is smaller than the maximum vertical distance S between the top surface of the step part and the bottom surface of the groove part2。
6. The ferrule assembly of claim 5, wherein: said S1And S2Satisfies the following conditions:
0.02mm≤S2－S1；
said H1And H3Satisfies the following conditions:
Figure FDA0003099679490000011
0.2mm≤H1≤0.7mm。
7. the ferrule assembly of claim 1, wherein: the insertion core comprises a first insertion core, a second insertion core and a connecting piece, the socket is arranged at the first insertion core, the groove portion is arranged at the second insertion core, and the first insertion core and the second insertion core are connected through the connecting piece.
8. The ferrule assembly of claim 1, wherein: the tailstock is provided with a limiting clamping hook and a groove at one end far away from the opening, and the groove extends along the long axis direction of the tailstock.
9. The ferrule assembly of claim 8, wherein: one end of the tailstock is cylindrical, and the diameter ratio of the width of the groove to one end of the tailstock is not more than 0.5: 1.
10. an optical fiber quick connector, characterized in that: a ferrule assembly according to any one of claims 1 to 9, comprising a body and the ferrule assembly mounted within the body.
CN202110623150.8A 2021-06-03 2021-06-03 Ferrule assembly and optical fiber quick connector with same Pending CN113376756A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN202110623150.8A CN113376756A (en) 2021-06-03 2021-06-03 Ferrule assembly and optical fiber quick connector with same
PCT/CN2022/094594 WO2022253039A1 (en) 2021-06-03 2022-05-24 Ferrule assembly and optical fiber quick connector having same
EP22815086.8A EP4354191A1 (en) 2021-06-03 2022-05-24 Ferrule assembly and optical fiber quick connector having same
BR112023025441A BR112023025441A2 (en) 2021-06-03 2022-05-24 FIBER OPTIC QUICK CONNECTOR AND TIP ASSEMBLY COMPRISING THE SAME

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Application Number Priority Date Filing Date Title
CN202110623150.8A CN113376756A (en) 2021-06-03 2021-06-03 Ferrule assembly and optical fiber quick connector with same

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CN113376756A true CN113376756A (en) 2021-09-10

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113835162A (en) * 2021-09-30 2021-12-24 杭州润州光电技术有限公司 Splicing core and optical fiber quick connector thereof
WO2022253039A1 (en) * 2021-06-03 2022-12-08 潮州三环（集团）股份有限公司 Ferrule assembly and optical fiber quick connector having same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022253039A1 (en) * 2021-06-03 2022-12-08 潮州三环（集团）股份有限公司 Ferrule assembly and optical fiber quick connector having same
CN113835162A (en) * 2021-09-30 2021-12-24 杭州润州光电技术有限公司 Splicing core and optical fiber quick connector thereof
CN113835162B (en) * 2021-09-30 2023-02-28 杭州润州光电技术有限公司 Splicing core and optical fiber quick connector thereof

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