WO2016197437A1 - 一种qsfp+模块直拉式解锁结构 - Google Patents

一种qsfp+模块直拉式解锁结构 Download PDF

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Publication number
WO2016197437A1
WO2016197437A1 PCT/CN2015/085072 CN2015085072W WO2016197437A1 WO 2016197437 A1 WO2016197437 A1 WO 2016197437A1 CN 2015085072 W CN2015085072 W CN 2015085072W WO 2016197437 A1 WO2016197437 A1 WO 2016197437A1
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WO
WIPO (PCT)
Prior art keywords
unlocking
spring
pull ring
upper cover
qsfp
Prior art date
Application number
PCT/CN2015/085072
Other languages
English (en)
French (fr)
Inventor
朱沛文
曾昭峰
Original Assignee
昂纳信息技术（深圳）有限公司
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 昂纳信息技术（深圳）有限公司 filed Critical 昂纳信息技术（深圳）有限公司
Priority to EP15894705.1A priority Critical patent/EP3309593B1/en
Publication of WO2016197437A1 publication Critical patent/WO2016197437A1/zh
Priority to US15/694,886 priority patent/US10209462B2/en

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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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • 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
    • G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
    • G02B6/3893—Push-pull type, e.g. snap-in, push-on
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4256—Details of housings
    • G02B6/426—Details of housings mounting, engaging or coupling of the package to a board, a frame or a panel
    • G02B6/4261—Packages with mounting structures to be pluggable or detachable, e.g. having latches or rails
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4274—Electrical aspects
    • G02B6/4284—Electrical aspects of optical modules with disconnectable electrical connectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6275—Latching arms not integral with the housing
    • 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
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4246—Bidirectionally operating package structures

Definitions

  • the utility model relates to the field of photoelectric communication transmission technology, in particular to a QSFP+ module straight pull type unlocking structure.
  • the technical problem to be solved by the utility model is that, in view of the above defects of the prior art, a QSFP+ module straight pull type unlocking structure is provided. It overcomes the defects of the structure and manufacturing process of the existing straight-pull unlocking structure design and high cost.
  • the QSFP+ module has a straight pull-type unlocking structure, comprising a casing that is fastened by the upper cover and the lower cover, and a locking component disposed on the casing, wherein the casing is provided with guide grooves on both sides thereof, the lock One end of the fastener is provided with two unlocking elastic pieces, and the other end is provided with a pull ring, the unlocking elastic piece is locked in the guiding groove, the upper cover is provided with a spring, and the locking piece is provided with an upward cover A convex sheet is oriented, and the pressing piece and the spring abut each other.
  • a still further preferred embodiment of the present invention is
  • the spring cover is disposed on the upper cover, and a positioning pin is disposed in a middle portion of the spring groove.
  • the spring is a torsion spring having a spiral center hole, and the torsion spring is sleeved on the positioning pin.
  • the spring groove is further provided with a tableting groove, and the bottom of the pressing piece is located in the tableting groove.
  • a still further preferred embodiment of the present invention is a limiting slot is disposed on the two sides of the housing, the limiting slot is in communication with the guiding slot, and a limiting boss is disposed on a side of the unlocking elastic piece, and the limiting protruding bracket is disposed on the In the limit slot.
  • a still further preferred embodiment of the present invention is that the end portion of the unlocking elastic piece is provided with an unlocking boss.
  • a still further preferred embodiment of the present invention is
  • the outer portion of the pull ring is provided with a pull ring sleeve, and the pull ring is wrapped in the pull ring sleeve, and the tail portion of the pull ring sleeve is provided with a first-class linear curved surface.
  • the utility model has the beneficial effects that The upper cover and the lower cover are fastened together to form a housing, the housing is provided with a locking member, and a spring is disposed on the upper cover, and the locking member is provided with a pressing piece protruding toward the upper cover, The pressing piece and the spring abut each other.
  • a guide groove is disposed on both sides of the housing, and one end of the locking member is provided with two unlocking elastic pieces, and the other end is provided with a pull ring, and the unlocking elastic piece is locked in the guiding groove, which simplifies the pulling ring unlocking structure. And the manufacturing process, and is conducive to reducing costs.
  • 1 is a schematic view showing the assembly of the QSFP+ module straight pull type unlocking structure of the utility model
  • FIG. 2 is a schematic view showing the overall structure of the locking member, the pull ring and the unlocking elastic piece of the present invention
  • Figure 3 is a partially enlarged schematic view showing the position of the pressing piece on the locking member of the present invention.
  • Figure 4 is a partially enlarged schematic view showing the position of the spring groove of the upper cover of the present invention.
  • Figure 5 is a partial perspective view of the pressing piece and the torsion spring of the present invention.
  • Figure 6 is a partially enlarged schematic view showing the position of the upper limit groove of the casing of the present invention.
  • FIG. 7 is a schematic view showing the position of the limit boss when the QSFP+ module straight pull type unlocking structure of the present invention is in an unlocked state
  • FIG. 8 is a schematic view showing the position of the limit boss when the QSFP+ module straight pull type unlocking structure of the present invention is in a locked state
  • FIG. 9 is a schematic view showing the position of the locking member when the QSFP+ module straight pull type unlocking structure of the present invention is in an unlocked state
  • Figure 10 is a schematic view showing the position of the locking member when the QSFP+ module of the present invention is in a locked state
  • Figure 11 is a schematic view showing the three-dimensional structure of the QSFP+ module of the present invention locked in a cage socket;
  • FIG. 12 is a schematic view showing the position of the shrapnel when the QSFP+ module straight pull type unlocking structure of the present invention is in a locked state
  • Figure 13 is a schematic view showing the position of the shrapnel when the QSFP+ module of the present invention is in the unlocked state
  • Figure 14 is a schematic view showing the three-dimensional structure of the pull ring cover of the present invention.
  • the QSFP+ module straight pull type unlocking structure of the present embodiment includes a housing that is fastened by the upper cover 1 and the lower cover 2, and a locking member 3 disposed on the housing.
  • the two sides of the casing are provided with a guiding groove 11 , and one end of the locking member 3 is provided with two unlocking elastic pieces 31 , and the other end is provided with a pull ring 32 , and the unlocking elastic piece 31 is locked on the guiding groove 11 .
  • the upper cover 1 is provided with a spring 4, and the locking member 3 is provided with a pressing piece 33 which is convex toward the upper cover 1, and the pressing piece 33 and the spring 4 abut each other.
  • the upper cover 1 and the lower cover 2 are fastened together to form a housing, the housing is provided with a locking member 3, and a spring 4 is disposed on the upper cover 1, and the locking member 3 is disposed convexly toward the upper cover 1 a pressing piece 33, the pressing piece 33 and the spring 4 abut each other .
  • a guide groove 11 is disposed on the two sides of the casing.
  • the unlocking piece 31 is disposed at one end of the locking member 3, and a pull ring 32 is disposed at the other end.
  • the unlocking elastic piece 31 is disposed in the guiding groove 11. ,
  • the structure and manufacturing process of the pull ring 32 are simplified, and the cost is reduced.
  • the locking member 3, the unlocking elastic piece 31 and the pull ring 32 are integrally provided.
  • the upper cover 1 is provided with a spring slot 12, and a central portion of the spring slot 12 is provided with a positioning pin 13.
  • the spring 4 is a torsion spring having a spiral center hole, and the torsion spring is sleeved on the positioning pin. 13 on.
  • the use of a torsion spring with a helical central hole facilitates cost savings while simplifying the assembly process.
  • the spring groove 12 includes a wide portion and a narrow portion, and the two sides of the wide portion and the narrow portion meet each other to form two transition steps, and the positioning pin 13 is disposed at the wide portion.
  • the torsion spring When assembling, the torsion spring is first sleeved on the positioning pin 13, and then the two legs of the torsion spring are respectively abutted against the corresponding transition step, so that the torsion spring is in a pre-stressed state. Then insert the locking member 3 into the upper cover 1, the pressing piece 33 Further pressing the two legs of the torsion spring, the elastic stress generated by the torsion spring causes the locking member 3 to always be in the initial assembly limit position without being pulled by the external force. Finally all QSFP+ modules The inner part is fitted between the upper cover 1 and the lower cover 2, and the upper cover 1 and the lower cover 2 are fixed by screwing. The user can unlock the QSFP+ module from the cage socket 5 by pulling the tab 32.
  • the straight pull type unlocking structure can be commonly used for different optical interface QSFP+ modules. Its form factor enhances application compatibility, and it can be used not only with QSFP+ connected to MPO, MTP optical interface jumpers. In the module, it is also compatible with other optical interface type QSFP+ modules, such as AOC, LC receptacle optical interface module. Greatly saved the initial development of mold costs and post-production and processing costs. Further, for Satisfied with different types of QSFP+ module design, the upper and lower cover 2 is assembled with countersunk head screws, the upper and lower covers 2 are vertically assembled, and the vertical direction is closed. There is no need for other redundant direction assembly actions, which is suitable for different types of QSFP+ modules. The different internal assembly dimensions of the circuit design and the optical design avoid damage to the internal components due to differences in circuit and optical design and assembly interference during assembly of the internal structure.
  • the spring groove 12 is further provided with a tableting groove 14, and the bottom of the pressing piece 33 is located in the tableting groove 14.
  • the two corners of the torsion spring are respectively located above the two tableting grooves 14, and the bottom of the pressing piece 33 is located in the tableting groove 14 (ie, the bottom surface of the pressing piece 33 is lower than the groove of the spring groove 12).
  • the bottom can prevent the two legs of the torsion spring from slipping off the pressing piece 33, which is beneficial to improve the stability of the straight pull type unlocking structure of the utility model.
  • the two sides of the housing are further provided with a limiting slot 15 , the limiting slot 15 is in communication with the guiding slot 11 , and a side of the unlocking elastic piece 31 is provided with a limiting boss 34 , the limit The boss 34 is locked in the limiting slot 15 .
  • the upper cover 1 and the lower cover 2 are respectively provided with a limiting slot 15
  • both sides of the unlocking elastic piece 31 are also provided with a limiting boss 34 .
  • the limiting boss 34 can slide horizontally back and forth in the limiting slot 15 of the upper cover 1 and the lower cover 2. The initial locking position and the unlocking position of the limiting boss 34 are both limited by the length of the limiting slot 15.
  • an end of the unlocking elastic piece 31 is provided with an unlocking boss 35.
  • the width of the elastic body 51 on both sides of the cage socket 5 is smaller than the width of the casing, and the unlocking boss 35 is caught, so that the QSFP+ module cannot be pulled out from the cage.
  • the unlocking elastic piece is unlocked.
  • the unlocking boss 35 of the end portion of the 31 opens the elastic piece 51 of the cage socket 5, so that the elastic pieces 51 on both sides are wider than the width of the casing, thereby completing the unlocking and pulling out of the QSFP+ module.
  • the pull ring 32 is externally provided with a pull ring sleeve 36.
  • the pull ring 32 is wrapped in the pull ring sleeve 36.
  • the tail portion of the pull ring sleeve 36 is provided with a first-class linear curved surface 37.
  • the pull ring 32 of the embodiment adopts a sheet metal bending pull ring 32
  • the pull ring sleeve 36 adopts a plastic pull ring sleeve 36
  • the connection of the sheet metal bending pull ring 32 and the plastic pull ring sleeve 36 is one-time.
  • the streamlined curved surface 37 at the end of the pull ring sleeve 36 simulates the curved shape of the human finger, so that the customer can use the pulling pull ring 32 to unlock more conveniently and more humanized.
  • the sheet metal pull ring 32 and the plastic pull ring sleeve 36 are thermoplastically molded at one time, which simplifies the assembly step of the one-step pull ring 32 and the pull ring sleeve 36.
  • the assembly structure after the thermoforming process is more stable, and the joint parts are sealed for long-term use. The rubber is not easy to age, oxidize, and will not fall off.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

一种QSFP+模块直拉式解锁结构。所述直拉式解锁结构，包括由上盖（1）和下盖（2）扣合而成的壳体，及设于壳体上的锁扣件（3），壳体的两侧均设有导槽（11），锁扣件（3）的一端设有两解锁弹片（31），另一端设有一拉环（32），解锁弹片（31）卡设于所述导槽（11）内，上盖（1）上设有一弹簧（4），锁扣件（3）上设有朝上盖（1）方向凸起的压片（33），所述压片（33）与所述弹簧（4）互相抵靠。该结构简化了拉环解锁结构及制造工艺，且有利于降低成本。

Description

一 种QSFP+模块直拉式解锁结构 技术领域
本实用新型涉及光电通信传输技术领域，具体涉及一种 QSFP+模块直拉式解锁结构 。
背景技术
随着大型数据中心对于数据传输的速度的要求越来越高，相关配套的光模块连接器的传输速度也相应提升，于是，出现了许多4x28G 四通道小型可插拔光发收器模块产品。其中，一种是通过MTP光纤连接头可以将缆与模块分离的方式，应用于28G QSFP（Quad Small Form-factor Pluggable)+ SR4(Short Reach Lane 4)与28G QSFP（Quad Small Form-factor Pluggable)+PSM4（Parallel Single Mode Lane 4）这种模块产品中。
目前，直拉式解锁的结构设计广泛应用于QSFP+模块中。但现有的直拉式解锁结构设计的结构及制造工艺复杂，成本高。
技术问题
本实用新型要解决的技术问题在于，针对现有技术的上述缺陷，提供一种 QSFP+模块直拉式解锁结构 ， 克服 现有的直拉式解锁结构设计的结构及制造工艺复杂，成本高 的 缺陷。
技术解决方案
本实用新型解决其技术问题所采用的技术方案是： 提供一种 QSFP+模块直拉式解锁结构，包括由上盖和下盖扣合而成的壳体，及设于壳体上的锁扣件，所述壳体的两侧均设有导槽，所述锁扣件的一端设有两解锁弹片，另一端设有一拉环，所述解锁弹片卡设于所述导槽内，所述上盖上设有一弹簧，所述锁扣件上设有朝上盖方向凸起的压片，所述压片与所述弹簧互相抵靠。
本实用新型的更进一步优选方案是 ：所述上盖上设有一弹簧槽，所述弹簧槽的中部设有一定位销，所述弹簧为具有一螺旋中心孔的扭簧，所述扭簧套设于所述定位销上。
本实用新型的更进一步优选方案是 ：所述弹簧槽内还设有压片槽，所述压片的底部位于所述压片槽内。
本实用新型的更进一步优选方案是 ：所述壳体的两侧还设有限位槽，所述限位槽与所述导槽相连通，所述解锁弹片的侧面设有限位凸台，所述限位凸台卡设于所述限位槽内。
本实用新型的更进一步优选方案是 ：所述解锁弹片的端部设有解锁凸台。
本实用新型的更进一步优选方案是 ：所述拉环外部设有拉环套，所述拉环包裹于所述拉环套内，所述拉环套的尾部设有一流线型曲面。
有益效果
本实用新型的有益效果在于，通过 将 上盖和下盖扣合而成壳体，壳体上设置锁扣件，并在所述上盖上设置一弹簧，所述锁扣件上设置朝上盖方向凸起的压片，所述压片与所述弹簧互相抵靠 。同时，在 所述壳体的两侧均设置导槽，所述锁扣件的一端设置两解锁弹片，另一端设置一拉环，所述解锁弹片卡设于所述导槽内， 简化了拉环解锁结构及制造工艺，且有利于降低成本 。
附图说明
下面将结合附图及实施例对本实用新型作进一步说明，附图中：
图1是 本实用新型的 QSFP+模块直拉式解锁结构装配 示意图 ；
图2是 本实用新型的锁扣件、拉环及解锁弹片整体结构 示意图；
图3是 本实用新型的锁扣件上压片位置局部放大示意 图；
图4是 本实用新型的上盖的弹簧槽位置局部放大 示意图；
图 5 是 本实用新型的压片与扭簧抵靠位置局部透视图 ；
图 6 是 本实用新型的壳体上限位槽位置局部放大 示意图；
图 7 是 本实用新型 的 QSFP+模块直拉式解锁结构处于 解锁状态时限位凸台所处位置示意 图；
图 8 是 本实用新型 的 QSFP+模块直拉式解锁结构处于 的锁定状态时限位凸台所处位置 示意图；
图 9 是 本实用新型的 QSFP+模块直拉式解锁结构处于解锁状态时锁扣件位置 示意图 ；
图 10 是 本实用新型的 QSFP+模块直拉式解锁结构处于锁定状态时锁扣件位置 示意图；
图 11 是 本实用新型的 QSFP+模块直拉式解锁结构锁定在笼子插座中的立体结构 示意 图；
图 12 是 本实用新型的 QSFP+模块直拉式解锁结构处于锁定状态时弹片所处位置 示意图；
图1 3 是 本实用新型的 QSFP+模块直拉式解锁结构处于解锁状态时弹片所处位置 示意图 ；
图 14 是 本实用新型的拉环套立体结构 示意图 。
 本发明的最佳实施方式
现结合附图，对本实用新型的较佳实施例作详细说明 ，实施例中的 QSFP+模块直拉式解锁结构 符合于MSA协议 。
如 图1-5、11所示，本实施例的QSFP+模块直拉式解锁结构，包括由上盖1和下盖2扣合而成的壳体，及设于壳体上的锁扣件3，所述壳体的两侧均设有导槽11，所述锁扣件3的一端设有两解锁弹片31，另一端设有一拉环32，所述解锁弹片31卡设于所述导槽11内，所述上盖1上设有一弹簧4，所述锁扣件3上设有朝上盖1方向凸起的压片33，所述压片33与所述弹簧4互相抵靠。 通过 将 上盖1和下盖2扣合而成壳体，壳体上设置锁扣件3，并在所述上盖1上设置一弹簧4，所述锁扣件3上设置朝上盖1方向凸起的压片33，所述压片33与所述弹簧4互相抵靠 。在 所述壳体的两侧均设置导槽11，所述锁扣件3的一端设置两解锁弹片31，另一端设置一拉环32，所述解锁弹片31卡设于所述导槽11内， 简化了拉环32解锁结构及制造工艺，且有利于降低成本 。 优选的， 锁扣件3、解锁弹片31及拉环32为一体式设置。 所述进一步地， 所述上盖1上设有一弹簧槽12，所述弹簧槽12的中部设有一定位销13，所述弹簧4为具有一螺旋中心孔的扭簧，所述扭簧套设于所述定位销13上。采用具有一个螺旋中心孔的扭簧在节约成本的同时有利于简化装配步骤。优选地，所述弹簧槽12包括宽部和窄部，所述宽部和窄部相接位置的两边形成两过渡台阶，所述定位销13设于宽部。 装配时，先将所述扭簧套设于所述定位销13上，然后使扭簧的两个脚分别抵靠于对应的所述过渡台阶上，使得扭簧处于预压状态。然后将所述锁扣件3插入上盖1， 压片33 进一步压迫扭簧的两个脚，扭簧所产生的弹性应力使得锁扣件3在不受外力拉动的情况下，始终处于初始装配限位位置。最后所有 QSFP+模块 内部部件装入上盖1和下盖2之间，上盖1与下盖2通过螺丝锁紧固定。用户通过拉动拉环32，便可使得 QSFP+ 模块从笼子插座5中解锁。
本实施例的所述 直拉式解锁结构可通用于不同光接口QSFP+模块。其外型结构提升了应用的兼容性，它不仅可用与MPO，MTP光接口跳线连接的QSFP+ 模块中，还可以兼容适用于其他光接口类QSFP+ 模块中，如AOC，LC receptacle类光接口模块。极大节省了初期研发的模具成本以及后期生产加工成本。 进一步地，为 满足于不同类型QSFP+模块设计，上下盖2组装采用沉头螺钉锁紧，上下盖2垂直方向装配方式，垂直方向合盖方式，无需其他多余方向的装配动作，最大满足适用于不同类型QSFP+模块的电路设计和光学设计不同的内部装配尺寸关系，避免因不同电路和光学设计差异与内部结构装配过程中出现装配干涉，损伤到内部器件。
如图4-12所示，所述弹簧槽12内还设有压片槽14，所述压片33的底部位于所述压片槽14内。具体的，所述扭簧的两个角分别位于两个压片槽14的上方，保持压片33的底部位于所述压片槽14内（即压片33的底面低于弹簧槽12的槽底），可防止扭簧的两个脚从压片33下方滑脱，有利于提高本实用新型直拉式解锁结构的稳定性。进一步地，所述壳体的两侧还设有限位槽15，所述限位槽15与所述导槽11相连通，所述解锁弹片31的侧面设有限位凸台34，所述限位凸台34卡设于所述限位槽15内。具体的，所述上盖1和下盖2上可均设置限位槽15，所述解锁弹片31的两侧面也均设有限位凸台34。所述限位凸台34可在上盖1、下盖2的限位槽15内水平来回滑动，限位凸台34初始锁定位置与解锁位置均被限位槽15的长度限制。进一步地，所述解锁弹片31的端部设有解锁凸台35。具体地，笼子插座5两侧的弹51的宽度距离小于所述壳体的宽度，卡住解锁凸台35，使得QSFP+模块无法从笼子中拔出，当拉动拉环32解锁，所述解锁弹片31端部的解锁凸台35顶开笼子插座5的弹片51，使得两侧弹片51距离宽于壳体的宽度，从而完成解锁拔出QSFP+模块。
如图 9-11、14所示，所述拉环32外部设有拉环套36，所述拉环32包裹于所述拉环套36内，所述拉环套36的尾部设有一流线型曲面37。优选地，本实施例的拉环32采用钣金折弯拉环32，所述拉环套36采用塑胶拉环套36，钣金折弯拉环32与塑胶拉环套36的连接是一次性热塑成型，并且考虑到人性化设计，所述拉环套36尾端的流线型曲面37模拟人手指弧形，使得客户使用拉动拉环32解锁更加方便，更加人性化。钣金拉环32与塑胶拉环套36一次性热塑成型，简化了一步拉环32与拉环套36组装步骤，热塑成型加工后的组件结构更加稳定，对于长期使用，相互接合部位密封包胶不易老化，氧化，不会出现脱落失效。
应当理解的是，以上实施例仅用以说明本实用新型的技术方案，而非对其限制，对本领域技术人员来说，可以对上述实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而所有这些修改和替换，都应属于本实用新型所附权利要求的保护范围。

Claims (6)

  1. 一种 QSFP+模块直拉式解锁结构，包括由上盖和下盖扣合而成的壳体，及设于壳体上的锁扣件，所述壳体的两侧均设有导槽，所述锁扣件的一端设有两解锁弹片，另一端设有一拉环，所述解锁弹片卡设于所述导槽内，其特征在于：所述上盖上设有一弹簧，所述锁扣件上设有朝上盖方向凸起的压片，所述压片与所述弹簧互相抵靠。
  2. 根据权利要求1所述直拉式解锁结构，其特征在于：所述上盖上设有一弹簧槽，所述弹簧槽的中部设有一定位销，所述弹簧为具有一螺旋中心孔的扭簧，所述扭簧套设于所述定位销上。
  3. 根据权利要求2所述直拉式解锁结构，其特征在于：所述弹簧槽内还设有压片槽，所述压片的底部位于所述压片槽内。
  4. 根据权利要求3所述直拉式解锁结构，其特征在于：所述壳体的两侧还设有限位槽，所述限位槽与所述导槽相连通，所述解锁弹片的侧面设有限位凸台，所述限位凸台卡设于所述限位槽内。
  5. 根据权利要求4所述直拉式解锁结构，其特征在于：所述解锁弹片的端部设有解锁凸台。
  6. 根据权利要求5所述直拉式解锁结构，其特征在于：所述拉环外部设有拉环套，所述拉环包裹于所述拉环套内，所述拉环套的尾部设有一流线型曲面。
PCT/CN2015/085072 2015-06-09 2015-07-24 一种qsfp+模块直拉式解锁结构 WO2016197437A1 (zh)

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