CN201830262U

CN201830262U - Device for releasing pluggable module

Info

Publication number: CN201830262U
Application number: CN2010202834202U
Authority: CN
Inventors: 章林华
Original assignee: Shenzhen Neo Photonic Technology Co Ltd
Current assignee: Shenzhen Neo Photonic Technology Co Ltd
Priority date: 2010-08-05
Filing date: 2010-08-05
Publication date: 2011-05-11
Anticipated expiration: 2020-08-05

Abstract

The utility model provides an unlocking and resetting device for releasing a pluggable module, which at least comprises a sliding block which can move horizontally and a lock tongue which can clamp the pluggable module on an external cage. The unlocking and resetting device for releasing the pluggable module additionally comprises a pull-type lock sheet which can move vertically and is used for fixing the lock tongue. The sliding block comprises a wedge-shaped surface. The pull-type lock sheet comprises a wedge-shaped surface which is in contact with the wedge-shaped surface of the sliding block. When the sliding block moves forward, the wedge-shaped surface of the sliding block squeezes and pushes the wedge-shaped surface of the pull-type lock sheet to vertically go up and thereby the pull-type lock sheet drives the lock tongue to go up.

Description

Be used to discharge the device of pluggable modules

Technical field

The utility model is usually directed to be used for the pluggable modules of optical fiber and transceiver device and the device of pluggable modules, particularly a kind of device that has the pluggable modules of dead bolt.

Background technology

In optical fiber telecommunications system, the integrated module of optical transceiver has become the modular unit of communication system, and along with the variation of communication service and the raising of reliable communications performance, the intelligent integrated module of optical transceiver provides efficient assistant method for the realization of optical fiber telecommunications system of new generation.The integrated module of optical transceiver from original electric light and photoelectric converting function progressively to miniaturization, remote, two-forty, hot plug and intelligent direction development.The appearance of the intelligent integrated module of optical transceiver (the small Form-factor Pluggable Transceiver With Digital Diagnostic Monitoring) SFP of miniaturization hot plug of band numerical diagnostic function, solve miniaturization, hot plug and the intellectuality of the integrated module of optical transceiver, become the important component part of optical fiber telecommunications system

Want to realize effective hot plug for the intelligent integrated module of optical transceiver of Small Form-Factor Pluggable, must have mechanical type release resetting means, by of the relative motion of this device with integrated module of optical transceiver main body, make the cage of the integrated module of optical transceiver on being fixed on circuit board and dislocate, to realize the hot plug function.

At present, in SFP MSA agreement,, especially, all describe in detail the structure of tripper at the overall structure of SFP.But this tripper is one to place the slide block in the SFP main body slideway, and this device does not have reset function.

General improvement at the SFP tripper, adopt mostly and on the SFP module, dead bolt is set, place, outer at cage has the lockhole that is complementary with dead bolt, SFP module termination is provided with draw ring, draw ring rotates the slide block that promotes on the SFP module and travels forward, and the lozenges of slip front is pushed the shell fragment of cage outer open, and the dead bolt of SFP module just breaks away from the lockhole of cage, so the release of SFP module realizes the hot plug function.This release mode has two shortcomings, one be the shell fragment of cage snap close after repeatedly pushing open and resetting, can cause deformation, make cage not tight with engaging of SFP module; It for by intensive SFP modular system, under identical volume, can be arranged the module number of putting and reduce relatively two for adopting the mode push shell fragment open to increase the actual volume that takies of module.

The utility model content

The shell fragment that the utility model solves the cage snap close repeatedly push open and reset after cause deformation, and adopt and push shell fragment release mode open and increased the actual deficiency that takies volume of module, provide a kind of undeformed, take volume few release resetting means and method.

For realizing above purpose, the utility model provides a kind of release resetting means that discharges pluggable modules, comprises the dead bolt that can produce mobile slide block in the horizontal direction and pluggable modules can be buckled in outer cage at least.This release resetting means that is used to discharge pluggable modules comprises that also one can produce mobile zip sheet in vertical direction and is used for fixing dead bolt.This slide block comprises a lozenges, and this zip sheet comprises that the lozenges of a lozenges and slide block partly fits.When slide block moved forward, the lozenges that the lozenges of slide block squeezes the push-and-pull locking plate made the drag-line sheet drive described dead bolt rising towards the vertical direction rising.

Adopt the disclosed release resetting means of the utility model, cage need not to be provided with shell fragment, does not therefore have the danger of deformation, and has effectively reduced the volume that the SFP module takies.Needs are placed in a plurality of systems that have a pluggable modules, can effectively be utilized the space of system.

Description of drawings

Fig. 1 is the schematic perspective view that the utility model SFP module is inserted cage;

Fig. 2 is the internal structure sectional drawing of SFP module;

Fig. 3 is the stereogram of slide block and zip sheet;

Fig. 4 is the profile that draw ring obtains along A-A line shown in Figure 1 down in a state of nature;

Fig. 5 is the profile that draw ring obtains along A-A line shown in Figure 1 when leaving behind.

Embodiment

Describe the utility model most preferred embodiment in detail below in conjunction with accompanying drawing.The outer cage of SFP module that specific embodiment is showed and SFP module is just for a clear specific product in Fiber Optical Communication System of setting forth the utility model and selecting for use, and is not equal to the scope that the utility model protects and just is confined to this module.So long as discharge the release resetting means of pluggable modules and the method for the release pluggable modules that adopts according to the utility model all belongs to protection range of the present utility model according to aim of the present utility model being used to of making.

Fig. 1 is the schematic perspective view that the utility model SFP module 200 is inserted cage 100.SFP module 200 comprises the release resetting means of front end and two parts of module bodies of rear end.The release resetting means comprises and comprises draw ring 210, slide block 220, base 230 and dead bolt 240 at least.

Fig. 2 is that SFP module 200 is removed slide block 220 internal structure sectional drawing afterwards.The release resetting means also comprises zip sheet 280 and the two pairs of springs that are used for fixing dead bolt 240, is used to the spring 260 of assisting draw ring 210 to reset in the wherein a pair of main body that is placed on pluggable modules, and is a pair of in addition for being used for the spring 270 of lifting zip sheet 280.Wherein zip sheet 280 and spring 270 are placed in the central dividing plate 290 of SFP module 200, and central dividing plate 290 offers groove 291 and spring eye 292 according to the size and the shape of zip sheet 280 and spring 270.Base plate 230 has groove shape structure and is used for fixing slide block 220 and can allows slide block 220 parallel sliding back and forth in base plate 230.Groove shape structures on above-mentioned spring 270, spring eye 292 and the base plate 230 etc. form a fixture, zip sheet 280 is maintained fixed with the main body of pluggable modules in the horizontal direction, when zip sheet 280 rises, compression spring 270, when the zip sheet descended, spring 270 returned to initial confined state.

Fig. 3 is the stereogram of slide block 220 and zip sheet 280.Zip sheet 280 comprises that a wedge surface 281, one are used for fixing the dead ring 282 of dead bolt 240, one and are used for this zip sheet 280 is fixed on the card pier 283 of central dividing plate 290, a card platform 285 and an angle 286 that is used for zip sheet 280 is fixed on spring 270 tops that is used to block slide block 220.Dead bolt 240 also includes an angle 241 and is used for joint efforts zip sheet 280 being fixed on spring 270 with angle 286.Slide block 220 comprises a card ditch 225 that mates with the lozenges 221 of lozenges 281 coupling, and card platform 285 and a pair of spring groove 224 that is used to place spring.

Fig. 4 and Fig. 5 are the profiles that obtains along A-A line shown in Figure 1.Internal structure sectional drawing when Fig. 4 has showed the release resetting means SFP module 200 snaps into cage 100 when draw ring 210 is in position of rest.Internal structure sectional drawing when Fig. 5 has showed the release resetting means SFP module 200 breaks away from cages 100 when draw ring 210 is left behind.The leave behind rotation that produces of draw ring 210 promotes slide block 220 and travels forward, unclamp draw ring 210 after, the springs 260 that are placed in the slide block 220 make slide block 220 to return.In present releasable SFP building block technique, there have been a lot of patent documents and periodical that this technology has been done a lot of descriptions, therefore repeat no more here.The utility model mainly will be introduced when draw ring 210 moves downward in detail, the influence that 220 pairs of zip sheets 280 of slide block and dead bolt 240 produce, zip sheet 280 produces in vertical direction and moves, and makes dead bolt 240 can break away from the snap close on the cage 100, conveniently extracts pluggable modules 200.

As shown in Figure 4 and Figure 5, each concavo-convex position of zip sheet 280 and slide block 220 engages mutually, and spring 270 is placed in the spring eye 292, and the angle 286 of zip sheet 280 and the angle 241 of dead bolt 240 are pressed on the spring 270.The card pier 283 of zip sheet 280 embeds in the groove 291 of central dividing plate 290.The lozenges 281 of zip sheet 280 and the lozenges 221 of slide block 220 are fitted mutually.In Fig. 4, card platform 285 front ends of zip sheet 280 are near the rear end of the lozenges 285 of slide block 220, and spring 270 is in relaxation state, and dead bolt 240 is buckled in the snap close.After draw ring 210 is left behind, when slide block 220 promotes forward, relative motion takes place with the lozenges of zip sheet 280 281 in the lozenges 221 of slide block 220, the top of the lozenges 281 of push-and-pull locking plate 280 is squeezed in the bottom of the lozenges 221 of slide block 220, because

angle

286 and 241 and the card pier 283 fixation, zip sheet 280 can not move forward, but is forced to be raised to position as shown in Figure 5.At this moment, the rear end of zip sheet 280 has slided to the front end of the lozenges 285 of slide block 220, and card platform 285 is away from the rear end of the lozenges 285 of slide block 220, spring 270 is in compressive state, card pier 283 is lifted to the bottom of groove 291, and dead bolt 240 is raised, and breaks away from the confinement of snap close.At this moment, just can from cage 100, discharge module 200 easily.

After draw ring 210 unclamps, since the reset response of spring 280, slide block 220 travelling backwards, lozenges 225 moves backward, adds the reset force of upper spring 270, and zip sheet 280 resets downwards, and dead bolt 240 sinks, and gets back to the state as Fig. 4.

When needs insert cage 100 to SFP module 200, the thrust extrusion spring 270 that dead bolt 240 is subjected to cage 100 is forced to rise, the height of dead bolt 240 diminishes by holddown spring 270 to the resistance of cage 100 outers, all falling into snap close 110 up to dead bolt 240 just makes cage 100 outers that the thrust of dead bolt 240 is disappeared, therefore spring 270 returns to initial confined state, and dead bolt tightly buckles in the snap close 110.Like this, the snap close of cage 100 just need not to make the shell fragment shape, more can not cause the deformation of the repeatedly engaging generation of shell fragment.Use in the integrated system of a plurality of SFP modules at needs, owing to reduced the height of shell fragment, thereby SFP module and the required height minimizing that takies of cage, reduced the required volume that takies of integrated system.

Because slide block 220 fits tightly with the bottom of module 200, the rising of zip sheet 280 is the groove that central dividing plate 290 is offered with the shared space that sinks, therefore, adopt the disclosed release resetting means of the utility model to significantly reduce the space that the SFP module takies system.Dead bolt 240 adopts to climb away and unblanks to detain 110 and also need not on cage 100 shell fragment to be set, and is used for the existing cage that has shell fragment, also can improve the useful life of cage.

In the execution mode shown in the utility model, card pier 283, card platform 285, angle 286,241 all are to fix zip sheet 220 for convenience, in other execution mode, but also can do certain change according to the kind and the design of release module, as long as zip sheet 280 can be fixed, spring 250 then is in order to allow snap close 240 can realize oscilaltion, as long as also can adopt other elastic device to replace spring 250 to realize the oscilaltion function of drag-line 240.And the shape of card ditch 225 and size and this structure all are in order to realize and the coupling of zip sheet 280, in other execution mode, can be provided with or not to be provided with such shape as required fully.So long as produce the lifting effect by the lozenges relative motion between the two of movement parts (slide block 220 in the execution mode) and fixture (the zip sheet 280 in the execution mode), making dead bolt 240 break away from the mode that snap closes 110 are used to discharge pluggable modules all is the disclosed scopes of the utility model.

Claims

1. a release resetting means that is used to discharge pluggable modules comprises the dead bolt that can produce mobile slide block in the horizontal direction and pluggable modules can be buckled in outer cage at least; It is characterized in that the described release resetting means that is used to discharge pluggable modules comprises that also one can produce mobile zip sheet in vertical direction and is used for fixing described dead bolt; Described slide block comprises a lozenges, described zip sheet comprises before one that the lozenges that high back is low and the lozenges of described slide block partly fit, when described slide block moved forward, the lozenges that the lozenges of slide block promotes the zip sheet made the drag-line sheet drive described dead bolt rising towards the vertical direction rising.

2. the release resetting means that is used to discharge pluggable modules as claimed in claim 1, it is characterized in that: the described release resetting means that is used to discharge pluggable modules comprises that also an elastic device is placed in the main body of described pluggable modules, the release resetting means of described release pluggable modules also has fixture and is used for the zip sheet is maintained fixed with the main body of described pluggable modules in the horizontal direction, when the zip sheet rises, compress this elastic device, when the zip sheet descended, elastic device returned to initial confined state.

3. the release resetting means that is used to discharge pluggable modules as claimed in claim 2 is characterized in that: described elastic device can be a spring, and described fixture comprises that angle is used to be placed in the elastic device.

4. the release resetting means that is used to discharge pluggable modules as claimed in claim 3, it is characterized in that: fixture also comprises Yi Kadun, is placed in the main body of pluggable modules, is used for securing the above on horizontal level the zip sheet.

5. one kind is adopted the pluggable modules of release resetting means according to claim 1, comprise module bodies and release resetting means, described release resetting means comprises the dead bolt that can produce mobile slide block in the horizontal direction and pluggable modules can be buckled in outer cage at least; It is characterized in that the described release resetting means that is used to discharge pluggable modules comprises that also can produce a mobile zip sheet in vertical direction, this zip sheet secures the above dead bolt; Described slide block comprises a lozenges, the bevel direction of this lozenges is low early and high after, described zip sheet comprises that one the lozenges and the lozenges of described slide block partly fit, when described slide block moved forward, the lozenges that the lozenges of slide block promotes the zip sheet made the drag-line sheet drive described dead bolt rising towards the vertical direction rising.

6. pluggable modules as claimed in claim 5 is characterized in that: described pluggable modules also comprises a draw ring, when described draw ring rotates, can promote described slide block and move in the horizontal direction.

7. as claim 5 or 6 described pluggable modules, it is characterized in that: described pluggable modules can be an optical transceiver module.