WO2021258686A1 - 一种适配器组件 - Google Patents

一种适配器组件 Download PDF

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Publication number
WO2021258686A1
WO2021258686A1 PCT/CN2020/138409 CN2020138409W WO2021258686A1 WO 2021258686 A1 WO2021258686 A1 WO 2021258686A1 CN 2020138409 W CN2020138409 W CN 2020138409W WO 2021258686 A1 WO2021258686 A1 WO 2021258686A1
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
adapter assembly
holding
opening
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2020/138409
Other languages
English (en)
French (fr)
Inventor
赵小博
陆喆池
朱信海
谷萍
全本庆
张传彬
罗勇
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.)
Accelink Technologies Co Ltd
Original Assignee
Accelink Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Accelink Technologies Co Ltd filed Critical Accelink Technologies Co Ltd
Priority to JP2022574216A priority Critical patent/JP7646706B2/ja
Priority to US18/001,060 priority patent/US12481103B2/en
Priority to EP20941979.5A priority patent/EP4174540A4/en
Publication of WO2021258686A1 publication Critical patent/WO2021258686A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
    • G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
    • G02B6/3878—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules comprising a plurality of ferrules, branching and break-out 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
    • G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
    • G02B6/3826—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape
    • G02B6/3831—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape comprising a keying element on the plug or adapter, e.g. to forbid wrong connection

Definitions

  • This application relates to the field of optical communication technology, and in particular to an adapter assembly.
  • the adapter assembly is a kind of optical fiber connector, which is an optical passive device that realizes the movable connection between optical fibers. It has activities between optical fiber and optical fiber, optical fiber and active device, optical fiber and other passive devices, and optical fiber and instrument. Connected function.
  • the related adapter assembly includes a housing, a sleeve holder and a ceramic sleeve.
  • the sleeve holder is arranged in the housing, the ceramic sleeve is arranged in the sleeve holder, and the ceramic sleeve is provided with a through hole for accommodating optical fibers.
  • the optical fiber includes a first optical fiber and a second optical fiber. When the first optical fiber and the second optical fiber are inserted into the two ends of the ceramic sleeve for butting, the ceramic sleeve provides adjustment space through its free floating, so that the first optical fiber and the second optical fiber can be at the same time.
  • the shafts are connected to ensure that the beam of the first optical fiber is parallel to the beam of the second optical fiber, so that the adapter assembly has good collimation performance. It should be noted that collimation refers to maintaining the beam of the first fiber and the beam of the second fiber. Are parallel to each other.
  • the related sleeve holder is divided into a first sleeve holder and a second sleeve holder.
  • One end of the ceramic sleeve is placed in the through hole of the first sleeve holder, and the other end of the ceramic sleeve is placed in the second In the through hole of the sleeve holder, the first sleeve holder and the second sleeve holder are coaxially aligned and assembled to realize the coaxial butt connection of the through holes. Due to errors in the assembly process, the sleeve holder is not completely coaxial during actual alignment and assembly, so that the ceramic sleeve cannot float freely in the sleeve holder, thereby affecting the alignment performance of the adapter assembly.
  • the embodiment of the present application provides an adapter assembly to solve the technical problem of how to improve the collimation performance of the adapter assembly.
  • An embodiment of the present application provides an adapter assembly, including a housing, the housing is enclosed to form a cavity; a holding sleeve is integrally formed with the housing, and a receiving cavity is formed in the holding sleeve, and the holding One end of the sleeve is arranged in the cavity and the other end protrudes from the housing; wherein, the holding sleeve has an opening, and the opening is in communication with the containing cavity; the clamping piece is arranged in the opening , And detachably connected with the holding sleeve; a ceramic sleeve, arranged in the containing cavity; fixing pieces, arranged at both ends of the holding sleeve, and fixedly connected with the holding sleeve to limit the ⁇ Ceramic sleeve.
  • the openings there are a plurality of the openings, and the plurality of openings are arranged at intervals along the circumferential direction of the retaining sleeve.
  • the plurality of openings are arranged at equal intervals along the circumferential direction of the retaining sleeve.
  • the opening includes a first opening provided at the one end of the holding sleeve and a second opening provided at the opposite end of the holding sleeve;
  • the clamping member includes a The first clamping member in the first opening and the second clamping member arranged in the second opening.
  • the fixing member includes a body and a protrusion; wherein the body has a first through hole communicating with the accommodating cavity, and the protrusions are arranged at intervals along the circumference of the body and are connected to the body. Fixed connection.
  • the fixing member further includes a snap ring
  • the snap ring includes a first snap ring and a second snap ring that are spaced apart along the circumference of the retaining sleeve
  • the protrusion includes a space along the circumference of the body The first protrusion and the second protrusion are provided; wherein, the first protrusion connects the first snap ring and the body, and the second protrusion connects the second snap ring and the body.
  • the fixing member includes a body and a protrusion; wherein the body has an arc-shaped structure, and the protrusions are arranged at intervals along the arc and are fixedly connected to the body.
  • the diameter of the first through hole is smaller than the outer diameter of the ceramic sleeve.
  • the adapter assembly further includes a cover plate adjacent to the housing, and the cover plate is arranged at an end of the clamping member close to the housing, and is fixedly connected to the clamping member.
  • the adapter assembly provided by the present application includes a housing, a ceramic sleeve, a holding sleeve, a clamping piece, and a fixing piece.
  • a containing cavity is formed in the holding sleeve for placing the ceramic sleeve.
  • the holding sleeve has an opening, and the holding sleeve has an opening.
  • the holding piece is arranged in the opening and is detachably connected with the holding sleeve.
  • the fixing piece is arranged at both ends of the holding sleeve to prevent the ceramic sleeve from sliding out.
  • the retaining sleeve of the embodiment of the present application is integrally formed with the housing, and the end of the retaining sleeve is an open end.
  • the ceramic sleeve can be placed in the accommodating cavity from the open end of the retaining sleeve along the axial direction of the retaining sleeve.
  • the barrel of the barrel is provided with an opening, and the clamping member is clamped in the opening of the holding sleeve to close the opening, and is detachably connected with the holding sleeve.
  • the fixing member can prevent the ceramic sleeve from sliding out of the end of the holding sleeve.
  • the axis of the retaining sleeve is the axis of the retaining sleeve itself, which avoids the problem that multiple retaining sleeves are not coaxial with each other due to assembly errors, and ensures that the ceramic sleeve is in the retaining sleeve. It floats freely, so that when the optical fibers are inserted into the ceramic sleeve for butt connection, it is ensured that the optical fibers can be coaxially butted, so that the adapter assembly has good collimation performance.
  • Figure 1 is a schematic diagram of the working principle of related adapter components
  • Figure 2a is an exploded schematic diagram of an adapter assembly structure according to an embodiment of the present invention.
  • Figure 2b is a schematic diagram of the retaining sleeve structure of another adapter assembly
  • Figure 2c is a schematic diagram of another structure of the retaining sleeve of the adapter assembly
  • FIG. 3 is a schematic diagram of a cross-sectional view of a housing of an adapter assembly according to an embodiment of the present invention
  • Figure 4 is a structural diagram of a sleeve holder of a related adapter assembly
  • FIG. 5 is a schematic diagram of an assembly diagram of an adapter assembly structure of an embodiment of the present invention.
  • Fig. 6 is a schematic diagram of the opening structure of another adapter assembly
  • Fig. 7a is a schematic diagram of the opening structure of another adapter assembly
  • Fig. 7b is a schematic diagram of the opening structure of another adapter assembly
  • Figure 8a is a schematic structural diagram of a fixing member of an adapter assembly according to an embodiment of the present invention.
  • Figure 8b is a schematic structural diagram of another fixing member of an adapter assembly
  • Figure 8c is a schematic structural diagram of a fixing member of another adapter assembly
  • FIG. 9 is a schematic diagram of the structure of the end cover of the adapter assembly according to the embodiment of the present invention.
  • first ⁇ second involved is only to distinguish different objects, and does not mean that there are similarities or connections between the two. It should be understood that the orientation descriptions “above” and “below” are the orientations in normal use.
  • An adapter assembly provided by an embodiment of the present application is mainly used to realize between devices, between devices and meters, between devices and optical fibers (or optical cables), and between optical fibers (or optical cables) and optical fibers (or optical cables) in an optical communication system.
  • Optical passive devices that can be movably connected between.
  • the adapter assembly may include a sleeve holder 1, a housing 2 and a ceramic sleeve 3.
  • the housing 2 may be a substantially rectangular structure, one end of which is an open end, the housing 2 encloses a cavity 21, and along the length extension direction of the sleeve holder 1, one end of the sleeve holder 1 is located in the cavity 21, The opposite end protrudes from the outer surface of the housing 2.
  • the sleeve holder 1 may have a substantially cylindrical structure, and the sleeve holder 1 has a first through hole 11 provided therethrough for placing the ceramic sleeve 3.
  • the ceramic sleeve 3 has a second through hole 31 penetratingly arranged for placing a ceramic ferrule.
  • the standard connector is inserted into the cavity 21 from the open end of the housing 2 and connected to the end of the sleeve holder 1 close to the open end.
  • the ceramic pin of the standard connector is inserted into the first through hole 11, and the optical fiber in the ceramic pin
  • the core is inserted into the ceramic ferrule.
  • the small connector is inserted from the other end opposite to the open end of the housing 2 and connected to the other end opposite to the sleeve holder 1.
  • the ceramic pin of the small connector is inserted into the first through hole 11, and the optical fiber in the ceramic pin
  • the fiber core is inserted into the ceramic ferrule and connected to the fiber core of the standard connector.
  • the adapter connects the optical fiber core between the standard connector and the small connector through components such as the sleeve holder 1, the housing 2, and the ceramic sleeve 3, so as to realize the docking and transmission of the optical path.
  • the adapter assembly includes a housing 2, a ceramic sleeve 3, a holding sleeve 4, a clamping member 5 and a fixing member 6, and the housing 2 encloses a cavity to form a cavity twenty one.
  • the housing 2 may be a substantially rectangular thin-walled structure. As shown in FIG. The two sides are enclosed to form a cavity 21 for accommodating the interface end of a standard connector.
  • the adapter assembly further includes a retaining sleeve 4, which is integrally formed with the housing 2.
  • a receiving cavity 41 is formed in the retaining sleeve 4, and one end of the retaining sleeve 4 is arranged in the cavity 21 and the other end It protrudes from the housing 2; wherein, the holding sleeve 4 has an opening 42 which communicates with the containing cavity 41.
  • the retaining sleeve 4 and the housing 2 are integrally formed. This structure can avoid the problem of welding or bonding of the assembled structure, and can also avoid the deviation of the retaining sleeve 4 during the assembly process. Different axis problems caused by skew.
  • the holding sleeve 4 may have a substantially cylindrical cylindrical structure, the cylindrical body has a side surface, and the space enclosed by the side surface of the cylindrical body is the accommodating cavity 41. Both ends of the cylinder are open ends, and the ceramic sleeve 3 can be inserted into the containing cavity 41 from the open end. As shown in Figure 2a, along the length of the retaining sleeve 4, an opening 42 is provided at the end of the retaining sleeve 4.
  • the length of the opening 42 is arbitrary. As shown in Figure 2a, the length of the opening 42 is the same as that of the retaining sleeve 4. The length of the part protruding from the housing 2 is the same. As shown in Fig. 2b, the length of the opening 42 is less than the length of the part of the retaining sleeve 4 protruding from the housing 2; the opening 42 is arranged in any direction along the circumferential direction, as shown in Fig. 2a, The direction of the opening 42 is perpendicular to the upper and lower surfaces of the housing 2. It should be noted that the up-and-down direction refers to the up and down direction in the working state of the adapter assembly. As shown in FIG.
  • the direction of the opening 42 is perpendicular to the left and right surfaces of the housing 2.
  • the retaining sleeve 4 adopts the opening 42 structure as shown in FIG. 2a for subsequent explanation.
  • the holding sleeve 4 is an integral structure.
  • the ceramic sleeve 3 can be inserted from the end of the holding sleeve 4 with the opening 42 and placed in the accommodating cavity 41 of the holding sleeve 4.
  • the central axis of the body is the axis of the holding sleeve 4, and there is only one axis.
  • the ceramic sleeve 3 can be coaxial with the holding sleeve 4, and the ceramic sleeve 3 can float freely in the holding sleeve 4.
  • the related sleeve holder structure includes a first sleeve holder 121 and a second sleeve holder 122.
  • the first sleeve holder 121 has a first accommodating cavity 1211
  • the second sleeve holder 122 has a second accommodating cavity 1221
  • one end of the ceramic sleeve 3 is inserted into the first accommodating cavity 1211
  • the opposite end of the ceramic sleeve 3 is inserted into the second accommodating cavity 1221
  • the first accommodating cavity 1211 and the second accommodating cavity 1221 are formed and placed together
  • the first sleeve holder 121 and the second sleeve holder 122 are connected by coaxial alignment and assembly to form a sleeve holder.
  • the first sleeve holder The axis of 121 and the axis of the second sleeve holder 122 are not on the same straight line.
  • the cavity formed by the first accommodating cavity 1211 and the second accommodating cavity 1221 has a certain deflection, and the ceramic sleeve cannot be in the accommodating cavity. Floating freely, when the first optical fiber and the second optical fiber are inserted into the corresponding through holes at both ends of the ceramic sleeve 3 for butting, the first optical fiber and the second optical fiber cannot be coaxially butted, which affects the collimation performance of the optical fiber adapter.
  • the holding sleeve 4 of the embodiment of the present application provides space for placing a ceramic sleeve
  • the holding sleeve 4 is an integrated structure and is integrally formed with the housing 2, and its axis is the structure itself The axis avoids the problem that multiple sleeve holders are not coaxial with each other due to assembly errors, thereby maintaining the floatability of the ceramic sleeve and improving the collimation performance of the optical fiber adapter.
  • the adapter assembly further includes a clamping member 5, which is arranged in the opening 42 and is detachably connected to the retaining sleeve 4.
  • the clamping member 5 can be assembled and connected with the holding sleeve 4 to close the opening 42 and provide shielding and protection for the exposed part of the ceramic sleeve.
  • the shape and size of the clamping member 5 are adapted to the opening 42 so that the clamping member 5 and the holding sleeve 4 have a good fit.
  • the adapter assembly further includes a ceramic sleeve 3, which is arranged in the containing cavity 41. As shown in FIG.
  • the adapter assembly further includes fixing members 6 arranged at both ends of the holding sleeve 4 and connected with the holding sleeve 4 to restrict the ceramic sleeve 3. It should be noted that restricting the ceramic sleeve 3 means that the ceramic sleeve 3 can float within a certain range in the accommodating cavity 41, because there is a gap between the ceramic sleeve 3 and the holding sleeve 4, but the ceramic sleeve 3 cannot Move beyond the accommodating cavity 41.
  • Fixing members 6 can be provided at both ends of the holding sleeve 4 to limit the movement of the ceramic sleeve 3 in the axial direction of the holding sleeve 4 and prevent the ceramic sleeve 3 from sliding out of the two ends of the holding sleeve 4.
  • the fixing member 6 is arranged in a flexible manner.
  • the holding sleeve 4 is not provided with one end of the opening 42.
  • the fixing member 6 can be integrally formed with the holding sleeve 4 to prevent the ceramic sleeve 3 from sliding out of one end of the holding sleeve 4; as shown in Figure 2a
  • the holding sleeve 4 is provided with the other end of the opening 42
  • the fixing member 6 can be integrally formed with the clamping member 5 and clamped in the opening 42 of the holding sleeve 4 to block the ceramic sleeve 3 from the other end of the holding sleeve 4. Slide out.
  • the holding sleeve 4 of the embodiment of the present application is integrally formed with the housing 2.
  • the holding sleeve 4 encloses to form a receiving cavity 41, the end of the holding sleeve 4 is an open end, and the ceramic sleeve 3 can be along the axis of the holding sleeve 4 From the open end of the holding sleeve 4 into the accommodating cavity 41, the cylinder of the holding sleeve 4 is provided with an opening 42, and the clamping member 5 is clamped in the opening 42 of the holding sleeve 4 to close the opening 42 and connect with Keep the sleeve 4 detachably connected.
  • the fixing member 6 can prevent the ceramic sleeve 3 from sliding out of the end of the holding sleeve 4.
  • the retaining sleeve of the embodiment of the present application does not need to be coaxially aligned and assembled, which eliminates the collimation performance defect caused by multiple retaining sleeves with different axes.
  • the multiple openings 42 are arranged at intervals along the circumferential direction of the retaining sleeve 4.
  • the number of openings 42 is arbitrary. As shown in Figure 2a, two openings 42 are provided at intervals along the circumferential direction of the retaining sleeve 4; as shown in Figure 6, three openings 42 are provided at intervals along the circumferential direction of the retaining sleeve 4. Opening 42.
  • the number structure of the opening 42 as shown in FIG. 2a is selected to continue the subsequent description.
  • the number of clamping members 5 is the same as the number of openings 42.
  • a plurality of openings 42 are arranged at equal intervals along the circumferential direction of the retaining sleeve 4. Specifically, in order to simplify the production process, the distance between the openings 42 along the circumferential direction of the retaining sleeve 4 may be the same.
  • the opening 42 includes a first opening 421 provided at one end of the holding sleeve 4 and a second opening 422 provided at the opposite end of the holding sleeve 4;
  • the opening 42 may be provided at one or both ends of the holding sleeve 4.
  • the opening 42 is only provided at the end of the holding sleeve 4 protruding from the housing 2, and the holding sleeve 4 is not provided with an opening 42.
  • the fixing member 6 at the opposite end of the holding sleeve 4 is integrally formed with the holding sleeve 4.
  • the ceramic sleeve 3 can be inserted into the accommodating cavity 41 of the holding sleeve 4 from the end provided with the opening 42.
  • the holder 5 is integrally formed and inserted into the opening 42 to close the opening 42; as shown in FIG. 7a, the opening 42 is only provided at one end of the holding sleeve 4 in the cavity 21, and the ceramic sleeve 3 approaches the cavity from the holding sleeve 4 21 is inserted into one end; as shown in Figure 7b, both ends of the retaining sleeve 4 are provided with openings 42, corresponding to the first opening 421 and the second opening 422, correspondingly, a first clip needs to be provided at the corresponding end
  • the holding piece 51 and the second holding piece 52, the fixing piece 6 and the holding piece 5 are integrally formed, and the ceramic sleeve 3 can be inserted from both ends of the holding sleeve 4.
  • the fixing piece 6 and the holding piece 5 are detachably Clamped to the retaining sleeve 4.
  • the fixing member 6 includes a body 61 and a protrusion 62; wherein the body 61 has a first through hole 611 communicating with the receiving cavity 41, and the protrusions 62 are spaced along the circumference of the body 61. It is set and fixedly connected with the main body 61. Specifically, the main body 61 is used to prevent the ceramic sleeve 3 from sliding out of the end of the holding sleeve 4.
  • the main body 61 may be substantially annular, and a first through hole 611 is provided in the middle for inserting the ceramic pin.
  • Protrusions 62 are arranged at intervals along the circumference of the main body 61, which can be arranged at equal intervals and are integrally formed with the main body 61.
  • the number of the protrusions 62 is arbitrary and can be multiple, depending on the production process and actual needs. As shown in FIG. 8a, two protrusions 62 are provided at intervals along the circumference of the body 61, and the protrusions 62 can form a fitting connection with the end of the retaining sleeve 4.
  • the fixing member 6 further includes a snap ring 63.
  • the snap ring 63 includes a first snap ring 631 and a second snap ring 632 arranged at intervals along the circumference of the retaining sleeve 4;
  • the first protrusion 621 and the second protrusion 622 are arranged at intervals on the circumference of the body 61; wherein the first protrusion 621 connects the first snap ring 631 and the body 61, and the second protrusion 622 connects the second snap ring 632 and the body 61 .
  • the body 61, the protrusion 62 and the snap ring 63 are integrally formed, the snap ring 63 is wrapped around the retaining sleeve 4, and the number of snap rings 63 is arbitrary, and can be determined according to the number of the protrusions 62.
  • the arrangement of two snap rings 63 and two protrusions 62 as shown in Fig. 8b can be selected.
  • the fixing member 6 includes a main body 61 and a protrusion 62; wherein the main body 61 has a circular arc structure, and the protrusions 62 are arranged at intervals along the circular arc, and are fixedly connected to the main body 61.
  • the angle of the arc is designed to be able to prevent the ceramic sleeve 3 from sliding out of the end of the holding sleeve 4.
  • the diameter of the first through hole 611 is smaller than the outer diameter of the ceramic sleeve 3. Specifically, the ceramic sleeve 3 can be prevented from slipping out of the first through hole 611.
  • the outer surface of the clamping member 5 and the outer surface of the retaining sleeve 4 smoothly transition.
  • the clamping member 5 may be an arc-shaped member, and after being connected with the holding sleeve 4, it can form a complete cylindrical structure with the holding sleeve 4, and the inside may also form an opposite Smooth accommodating cavity 41.
  • the adapter assembly further includes a cover plate 7, which is adjacent to the housing 2.
  • the cover plate 7 is arranged at an end of the clamping member 5 close to the housing 2 and is fixed to the clamping member 5. connect.
  • the clamping member 5 and the cover plate 7 may be integrally provided, and the cover plate 7 and the end surface of the housing 2 form a fitting connection.

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

Abstract

一种适配器组件，涉及光通信领域，适配器组件包括壳体（2），壳体（2）围合形成空腔（21）；保持套筒（4），与壳体（2）一体成型，保持套筒（4）内形成有容纳腔（41），保持套筒（4）一端设置于空腔（21）内且另一端突出于壳体（2）；其中，保持套筒（4）具有开口（42），开口（42）与容纳腔（41）连通；夹持件（5），设置在开口（42）内，并与保持套筒（4）可拆卸的连接；陶瓷套筒（3），设置在容纳腔（41）内；固定件（6），设置在保持套筒（4）的两端，与保持套筒（4）连接以限制陶瓷套筒（3）。保持套筒（4）的轴线即为自身的轴线，避免了多个保持套筒（4）因装配误差导致各个保持套筒（4）之间彼此不共轴线的问题，保证了陶瓷套筒（3）在保持套筒（4）内的自由浮动，从而光纤在插入陶瓷套筒（3）两端进行对接时，保证了光纤之间能够同轴对接，使适配器组件具有良好的准直性能。

Description

一种适配器组件
相关申请的交叉引用
本申请基于申请号为202010592607.9、申请日为2020年6月24日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此以引入方式并入本申请。
技术领域
本申请涉及光通信技术领域，具体涉及一种适配器组件。
背景技术
适配器组件，是一种光纤活动连接器，是实现光纤之间可活动连接的光无源器件，它具有光纤与光纤、光纤与有源器件、光纤与其它无源器件以及光纤与仪表之间活动连接的功能。
相关的适配器组件包括壳体，套筒保持件和陶瓷套筒，其中，套筒保持件设置在壳体内，陶瓷套筒设置在套筒保持件内，陶瓷套筒开设有用于容纳光纤的通孔。光纤包括第一光纤和第二光纤，当第一光纤和第二光纤插入陶瓷套筒两端进行对接时，陶瓷套筒通过自身的自由浮动提供调整空间，使第一光纤和第二光纤能够同轴对接，进而保证第一光纤的光束与第二光纤的光束平行，使适配器组件具有良好的准直性能，需要说明的是，准直是指保持第一光纤的光束与第二光纤的光束之间相互平行。
相关的套筒保持件分为第一套筒保持件和第二套筒保持件，陶瓷套筒的一端置于第一套筒保持件的通孔内，陶瓷套筒的另一端置于第二套筒保持件的通孔内，第一套筒保持件和第二套筒保持件进行同轴对准装配，实现通孔的同轴对接。由于装配工艺存在误差，导致套筒保持件在进行实际对准装配时并未完全同轴，使得陶瓷套筒在套筒保持件内不能自由浮动，从而影响适配器组件的准直性能。
发明内容
本申请实施例提供一种适配器组件，以解决如何提升适配器组件的准直性能的技术问题。
本申请实施例提供一种适配器组件，包括壳体，所述壳体围合形成空腔；保持套筒，与所述壳体一体成型，所述保持套筒内形成有容纳腔，所述保持套筒一端设置于所述空腔内且另一端突出于所述壳体；其中，所述保持套筒具有开口，所述开口与所述容纳腔连通；夹持件，设置在所述开口内，并与所述保持套筒可拆卸的连接；陶瓷套筒，设置在所述容纳腔内；固定件，设置在所述保持套筒的两端，与所述保持套筒固定连接以限制所述陶瓷套筒。
进一步地，所述开口有多个，所述多个开口沿所述保持套筒的周向间隔设置。
进一步地，所述多个开口沿所述保持套筒的周向等间距设置。
进一步地，所述开口包括设置在所述保持套筒所述一端的第一开口和设置在所述保持套筒相对的所述另一端的第二开口；所述夹持件包括设置在所述第一开口内的第一夹持件和设置在第二开口内的第二夹持件。
进一步地，所述固定件包括本体和凸起；其中，所述本体具有与所述容纳腔连通的第一通孔，所述凸起沿所述本体的周向间隔设置，并与所述本体固定连接。
进一步地，所述固定件还包括卡环，所述卡环包括沿所述保持套筒的圆周间隔设置的第一卡环和第二卡环；所述凸起包括沿所述本体的圆周间隔设置的第一凸起和第二凸起；其中，所述第一凸起连接所述第一卡环和所述本体，所述第二凸起连接所述第二卡环和所述本体。
进一步地，所述固定件包括本体和凸起；其中，所述本体为圆弧形结构，所述凸起沿所述圆弧间隔设置，并与所述本体固定连接。
进一步地，所述第一通孔的孔径小于所述陶瓷套筒的外径。
进一步地，所述夹持件的外表面与所述保持套筒的外表面平滑过渡。
进一步地，适配器组件还包括盖板，与所述壳体相邻，所述盖板设置在所述夹持件靠近所述壳体的一端，并与所述夹持件固定连接。
本申请提供的适配器组件包括壳体、陶瓷套筒、保持套筒、夹持件和固定件，其中，保持套筒内形成有容纳腔，用于放置陶瓷套筒，保持套筒具有开口，夹持件设置在开口内，并与保持套筒可拆卸的连接，固定件，设置在保持套筒的两端阻挡陶瓷套筒滑出。本申请实施例的保持套筒与壳体一体成型，保持套筒的端部为开口端，陶瓷套筒可以沿保持套筒的轴向，从保持套筒的开口端放入容纳腔，保持套筒的筒体设置有开口，夹持件卡固于保持套筒的开口内，封闭开口，并与保持套筒可拆卸的连接。固定件可以阻挡陶瓷套筒从保持套筒的端部滑出。该保持套筒的轴线即为保持套筒自身的轴线，避免了多个保持套筒因装配误差导致各个保持套筒之间彼此不共轴线的问题，保证了陶瓷套筒在保持套筒内的自由浮动，从而光纤在插入陶瓷套筒两端进行对接时，保证了光纤之间能够同轴对接，使适配器组件具有良好的准直性能。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍。
图1为相关适配器组件的工作原理示意图；
图2a为本发明实施例的适配器组件结构的爆炸图示意图；
图2b为另一种适配器组件的保持套筒结构示意图；
图2c为另一种适配器组件的保持套筒结构示意图；
图3为本发明实施例的适配器组件的壳体剖视图示意图；
图4为相关适配器组件的套筒保持件结构示意图；
图5为本发明实施例的适配器组件结构的装配图示意图；
图6为另一种适配器组件的开口结构示意图；
图7a为另一种适配器组件的开口结构示意图；
图7b为另一种适配器组件的开口结构示意图；
图8a为本发明实施例的适配器组件的固定件结构示意图；
图8b为另一种适配器组件的固定件结构示意图；
图8c为另一种适配器组件的固定件结构示意图；
图9为本发明实施例的适配器组件的端盖结构示意图。
附图标记说明：
1-套筒保持件，11-套筒保持件的第一通孔，121-第一套筒保持件，1211-第一容纳腔，122-第二套筒保持件，1221-第二容纳腔，2-壳体，21-空腔，3-陶瓷套筒，31-陶瓷套筒的第二通孔，4-保持套筒，41-容纳腔，42-开口，421-第一开口，422-第二开口，5-夹持件，51-第一夹持件，52-第二夹持件，6-固定件，61-本体，611-本体的第一通孔，62-凸起，621-第一凸起，622-第二凸起，63-卡环，631-第一卡环，632-第二卡环，7-盖板
具体实施方式
为了使本申请的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
在具体实施例中所描述的各个具体技术特征，在不矛盾的情况下，可以通过任何合适的方式进行组合，例如通过不同的具体技术特征的组合可以形成不同的实施例和技术方案。为了避免不必要的重复，本申请中各个具体技术特征的各种可能的组合方式不再另行说明。
在以下的描述中，所涉及的术语“第一\第二”仅仅是是区别不同的对象，不表示二者之间具有相同或联系之处。应该理解的是，所涉及的方位描述“上方”、“下方”均为正常使用状态时的方位。
需要说明的是，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
本申请实施例提供的一种适配器组件，主要用于实现光通信系统中设备之间、设备与仪表之间、设备与光纤(或光缆)之间以及光纤(或光缆)与光纤(或光缆)之间可活动连接的光无源器件。
以适配器组件应用到连接器为例，需要说明的是，本申请的应用场景类型并不对本申请产生限定。结合图1对适配器组件的工作原理进行示例性说明。适配器组件可以包括套筒保持件1、壳体2和陶瓷套筒3。壳体2可以是大致四方体结构，其中一端为开口端，壳体2围合形成空腔21，沿套筒保持件1的长度延伸方向，套筒保持件1的一端位于空腔21内，相对的另一端突出于壳体2的外表面。套筒保持件1可以是大致圆柱体形结构，套筒保持件1具有贯通设置的第一通孔11，用于放置陶瓷套筒3。陶瓷套筒3具有贯通设置的第二通孔31，用于放置陶瓷插芯。标准连接器从壳体2的开口端插入空腔21，并与套筒保持件1靠近开口端的一端连接，标准连接器的陶瓷插针插入第一通孔11内，陶瓷插针内的光纤纤芯插入陶瓷插芯。小型连接器从壳体2开口端相对的另一端接入，并与套筒保持件1相对的另一端连接，小型连接器的陶瓷插针插入第一通孔11内，陶瓷插针内的光纤纤芯插入陶瓷插芯，并与标准连接器的光纤纤芯连接。适配器通过套筒保持件1、壳体2和陶瓷套筒3等组件连接标准连接器与小型连接器之间光纤纤芯，实现光路的对接与传输。
在本申请实施例中，如图2a和图3所示，适配器组件包括壳体2、陶瓷套筒3、保持套筒4、夹持件5和固定件6，壳体2围合形成空腔21。具体的，壳体2可以是大致四方体薄壁结构，如图3所示，壳体2的一端为用于插入保持件4的开口端，开口端相对的另一个端面与壳体2的四个侧面围合形成空腔21，用于容纳标准连接器的接口端。
如图2a和图3所示，适配器组件还包括保持套筒4，与壳体2一体成型，保持套筒4内形成有容纳腔41，保持套筒4一端设置于空腔21内且另一端突出于壳体2；其中，保持套筒4具有开口42，开口42与容纳腔41连通。具体的，如图3所示，保持套筒4与壳体2是一体成型的结构，该结构可以避免装配式结构需要焊接或者粘接的问题，还可以避免装配过程中因保持套筒4偏斜而导致的不同轴问题。保持套筒4的一端位于空腔21，可以与插入到空腔21的标准连接器端子连接，保持套筒4突出于壳体2的另一端可以与壳体2外的小型连接器端子连接。保持套筒4可以是大致圆柱形的筒体结构，筒体具有一个侧面，筒体侧面围合形成的空间即所述的 容纳腔41。筒体两端均为开口端，陶瓷套筒3可以从开口端放入到容纳腔41。如图2a所示，沿保持套筒4的长度延伸方向，在保持套筒4的端部设置有开口42，开口42的长度任意，如图2a所示，开口42的长度与保持套筒4突出于壳体2的部分长度相同，如图2b所示，开口42的长度小于保持套筒4突出于壳体2的部分长度；开口42沿周向的设置方向任意，如图2a所示，开口42的方向垂直于壳体2的上下表面，需要说明的是，上下方向是指适配器组件工作状态下的上下方向，如图2c所示，开口42的方向垂直于壳体2的左右表面。优选的，在本申请实施例中，保持套筒4选用如图2a所示的开口42结构进行后续阐述。保持套筒4为一体式结构，沿保持套筒4的轴向，陶瓷套筒3可以从保持套筒4设置有开口42的一端插入，并放置于保持套筒4的容纳腔41内，筒体的中心轴线即为保持套筒4的轴线，并且该轴线仅有一条，陶瓷套筒3可以与保持套筒4共轴线，陶瓷套筒3可以在保持套筒4内自由浮动。
如图4所示，相关的套筒保持件结构包括第一套筒保持件121和第二套筒保持件122，第一套筒保持件121具有第一容纳腔1211，第二套筒保持件122具有第二容纳腔1221，陶瓷套筒3的一端插入第一容纳腔1211，陶瓷套筒3相对的另一端插入第二容纳腔1221，第一容纳腔1211和第二容纳腔1221共同形成放置陶瓷套筒3的空间，第一套筒保持件121和第二套筒保持件122通过同轴对准装配连接形成套筒保持件，由于实际装配过程存在一定的误差，第一套筒保持件121的轴线与第二套筒保持件122的轴线不在同一条直线上，第一容纳腔1211和第二容纳腔1221所形成的腔体有一定的偏斜，陶瓷套筒不能够在容纳腔内自由浮动，第一光纤和第二光纤在插入陶瓷套筒3两端对应地通孔内进行对接时，第一光纤和第二光纤不能够同轴对接，进而影响光纤适配器的准直性能。本申请实施例的保持套筒4，一方面，提供了能够放置陶瓷套筒的空间，另一方面，保持套筒4为一体式结构，并与壳体2一体成型，其轴线为结构自身的轴线，避免了多个套筒保持件因装配误差导致套筒保持件之间彼此不共轴线的问题，从而保持了陶瓷套筒的可浮动性，提升了光纤适配器的准直性能。
如图5所示，适配器组件还包括夹持件5，设置在开口42内，并与保 持套筒4可拆卸的连接。具体的，沿保持套筒4的轴向，夹持件5可与保持套筒4进行装配连接，以封闭开口42，为陶瓷套筒暴露的部分提供遮挡与保护。夹持件5的形状以及尺寸与开口42相适配，使夹持件5与保持套筒4具有良好的贴合性。
如图2a和图3所示，适配器组件还包括陶瓷套筒3，设置在容纳腔41内。
如图5所示，适配器组件还包括固定件6，设置在保持套筒4的两端，与保持套筒4连接以限制陶瓷套筒3。需要说明的是，限制陶瓷套筒3，是指陶瓷套筒3在容纳腔41内可以有一定范围的浮动，因为陶瓷套筒3和保持套筒4之间有间隙，但是陶瓷套筒3不能移动超出容纳腔41。可以在保持套筒4的两端设置固定件6以限制陶瓷套筒3在保持套筒4轴向方向的移动，阻挡陶瓷套筒3从保持套筒4的两端滑出。固定件6的设置方式灵活，保持套筒4没有设置开口42的一端，固定件6可以与保持套筒4一体成型，阻挡陶瓷套筒3从保持套筒4的一端滑出；如图2a所示，保持套筒4设置开口42的另一端，固定件6可以与夹持件5一体成型，卡固于保持套筒4的开口42内，阻挡陶瓷套筒3从保持套筒4的另一端滑出。
本申请实施例的保持套筒4与壳体2一体成型，保持套筒4围合形成容纳腔41，保持套筒4的端部为开口端，陶瓷套筒3可以沿保持套筒4的轴向，从保持套筒4的开口端放入容纳腔41，保持套筒4的筒体设置有开口42，夹持件5卡固于保持套筒4的开口42内，封闭开口42，并与保持套筒4可拆卸的连接。固定件6可以阻挡陶瓷套筒3从保持套筒4的端部滑出。本申请实施例的保持套筒不需要进行同轴对准装配，消除了多个保持套筒不同轴而带来的准直性能缺陷。
在一些实施例中，如图2a所示，开口42有多个，多个开口42沿保持套筒4的周向间隔设置。具体的，开口42的数量任意，如图2a所示，沿保持套筒4的周向间隔设置有2个开口42；如图6所示，沿保持套筒4的周向间隔设置有3个开口42。优选的，在本申请实施例中，选用如图2a所示的开口42数量结构继续做后续说明。相应的，夹持件5的数量与开口42的数量相同。
在一些实施例中，如图2a所示，多个开口42沿保持套筒4的周向等间距设置。具体的，为简化生产工艺，各个开口42沿保持套筒4的周向间隔的距离可以相同。
在一些实施例中，如图7b所示，开口42包括设置在保持套筒4一端的第一开口421和设置在保持套筒4相对的另一端的第二开口422；夹持件5包括设置在第一开口421内的第一夹持件51和设置在第二开口422内的第二夹持件52。可选的，开口42可以设置在保持套筒4的一端或两端，如图2a所示，开口42仅设置在保持套筒4突出于壳体2的一端，保持套筒4未设置开口42的相对的另一端的固定件6与保持套筒4一体成型，陶瓷套筒3可以从设置有开口42的一端插入保持套筒4的容纳腔41，保持套筒4一端的固定件6与夹持件5一体成型，并插入开口42，以封闭开口42；如图7a所示，开口42仅设置在保持套筒4位于空腔21的一端，陶瓷套筒3从保持套筒4靠近空腔21的一端插入；如图7b所示，保持套筒4的两端均设置有开口42，分别对应所述的第一开口421和第二开口422，相应地，需在对应端设置第一夹持件51和第二夹持件52，固定件6与夹持件5一体成型，从保持套筒4的两端均可以插入陶瓷套筒3，固定件6与夹持件5一同可拆卸地卡固于保持套筒4。优选的，在本申请实施例中，采用的是如图2a所示的开口42和夹持件5结构。
在一些实施例中，如图8a所示，固定件6包括本体61和凸起62；其中，本体61具有与容纳腔41连通的第一通孔611，凸起62沿本体61的周向间隔设置，并与本体61固定连接。具体的，本体61用于阻挡陶瓷套筒3从保持套筒4的端部滑出，本体61可以是大致圆环状，中间设置有第一通孔611，用于陶瓷插针的插入。沿本体61的圆周间隔设置有凸起62，可以等间距设置，并与本体61一体成型，凸起62的数量任意，可以是多个，根据生产工艺和实际需要而定。如图8a所示，沿本体61的圆周间隔设置有两个凸起62，凸起62可以与保持套筒4的端部形成嵌合式的连接。
可选的，如图8b所示，固定件6还包括卡环63，卡环63包括沿保持套筒4的圆周间隔设置的第一卡环631和第二卡环632；凸起62包括沿本体61的圆周间隔设置的第一凸起621和第二凸起622；其中，第一凸起621 连接第一卡环631和本体61，第二凸起622连接第二卡环632和本体61。具体的，本体61、凸起62和卡环63一体成型，卡环63外包于保持套筒4，卡环63的数量任意，可以根据凸起62的数量而定，在示例性的实施例中，可以选用如图8b所示的两个卡环63和两个凸起62的设置方式。
可选的，如图8c所示，固定件6包括本体61和凸起62；其中，本体61为圆弧形结构，凸起62沿圆弧间隔设置，并与本体61固定连接。具体的，圆弧的角度设计以能够阻挡陶瓷套筒3从保持套筒4的端部滑出为准。
在一些实施例中，如图8a所示，第一通孔611的孔径小于陶瓷套筒3的外径。具体的，可以避免陶瓷套筒3从第一通孔611中滑出。
在一些实施例中，如图5所示，夹持件5的外表面与保持套筒4的外表面平滑过渡。具体的，考虑到工艺的适配性与美观性，夹持件5可以是弧形件，与保持套筒4连接后可与保持套筒4形成完整的圆柱体形结构，内部也可以形成一个相对平滑的容纳腔41。
在一些实施例中，如图9所示，适配器组件还包括盖板7，与壳体2相邻，盖板7设置在夹持件5靠近壳体2的一端，并与夹持件5固定连接。具体的，在保持套筒4突出于壳体2的一端，可以将夹持件5与盖板7一体设置，盖板7与壳体2的端面形成嵌合连接。
以上所述，仅为本申请的较佳实施例而已，并非用于限定本申请的保护范围。

Claims (10)

  1. 一种适配器组件，其中，包括：
    壳体，所述壳体围合形成空腔；
    保持套筒，与所述壳体一体成型，所述保持套筒内形成有容纳腔，所述保持套筒一端设置于所述空腔内且另一端突出于所述壳体；其中，所述保持套筒具有开口，所述开口与所述容纳腔连通；
    夹持件，设置在所述开口内，并与所述保持套筒可拆卸的连接；
    陶瓷套筒，设置在所述容纳腔内；
    固定件，设置在所述保持套筒的两端，与所述保持套筒连接以限制所述陶瓷套筒。
  2. 如权利要求1所述的适配器组件，其中，所述开口有多个，所述多个开口沿所述保持套筒的周向间隔设置。
  3. 如权利要求2所述的适配器组件，其中，所述多个开口沿所述保持套筒的周向等间距设置。
  4. 如权利要求1所述的适配器组件，其中，所述开口包括设置在所述保持套筒所述一端的第一开口和设置在所述保持套筒相对的所述另一端的第二开口；所述夹持件包括设置在所述第一开口内的第一夹持件和设置在第二开口内的第二夹持件。
  5. 如权利要求1所述的适配器组件，其中，所述固定件包括本体和凸起；其中，所述本体具有与所述容纳腔连通的第一通孔，所述凸起沿所述本体的周向间隔设置，并与所述本体固定连接。
  6. 如权利要求5所述的适配器组件，其中，所述固定件还包括卡环，所述卡环包括沿所述保持套筒的圆周间隔设置的第一卡环和第二卡环；所述凸起包括沿所述本体的圆周间隔设置的第一凸起和第二凸起；其中，所述第一凸起连接所述第一卡环和所述本体，所述第二凸起连接所述第二卡环和所述本体。
  7. 如权利要求1所述的适配器组件，其中，所述固定件包括本体和凸起；其中，所述本体为圆弧形结构，所述凸起沿所述圆弧间隔设置，并与所述 本体固定连接。
  8. 如权利要求5所述的适配器组件，其中，所述第一通孔的孔径小于所述陶瓷套筒的外径。
  9. 如权利要求1所述的适配器组件，其中，所述夹持件的外表面与所述保持套筒的外表面平滑过渡。
  10. 如权利要求1所述的适配器组件，其中，适配器组件还包括盖板，与所述壳体相邻，所述盖板设置在所述夹持件靠近所述壳体的一端，并与所述夹持件固定连接。
PCT/CN2020/138409 2020-06-24 2020-12-22 一种适配器组件 Ceased WO2021258686A1 (zh)

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