CN108919432B

CN108919432B - Optical module

Info

Publication number: CN108919432B
Application number: CN201810707367.5A
Authority: CN
Inventors: 潘红超
Original assignee: Hisense Broadband Multimedia Technology Co Ltd
Current assignee: Hisense Broadband Multimedia Technology Co Ltd
Priority date: 2018-07-02
Filing date: 2018-07-02
Publication date: 2020-03-20
Anticipated expiration: 2038-07-02
Also published as: CN108919432A

Abstract

The invention provides an optical module, in particular to an unlocking mechanism of the optical module, which comprises a cover plate, a support and a bottom plate, and further comprises an unlocking piece, a handle and a rotating shaft, wherein one end of the unlocking piece is matched with the handle, the other end of the unlocking piece is provided with a lock catch, and the unlocking piece is driven to rotate through linear motion of the handle, so that the lock catch is separated from a lock hole, the optical module can be quickly unlocked, the structure is simple, the connection is stable, the unlocking force required by unlocking is small, the unlocking resistance is small, and the operation is convenient.

Description

Optical module

Technical Field

The invention relates to the field of optical communication, in particular to an optical module.

Background

An optical module (optical module) is composed of an optoelectronic device, a functional circuit, an optical interface and the like, wherein the optoelectronic device comprises a transmitting part and a receiving part, the main function is to realize photoelectric/electro-optical conversion, according to different packaging forms, SFF (Small Form Factor, Small package), SFP (Small Form-Factor plug, Small package hot plug), GBIC, XENPAK, XFP (10Gb SFP, 10Gb Small package hot plug), SFP + (upgrade version of SFP) and the like exist in the market at present, the existing optical module and a switch cage are detachably connected, the optical module realizes the drawing locking or unlocking between the optical module and the switch cage through an unlocking mechanism of the optical module, and the optical module has the obvious trend of miniaturization and high speed except the development in the hot plug, low cost, low power consumption and other directions.

Wherein micro QSFP (micro Quad Small Form-factor plug) is a brand-new four-channel module packaging Form, it can provide zQSFP + (QSFP28) function with the little overall dimension of SFP size, because its density is higher than QSFP connector, micro QSFP connector can be used for more ports (72 at most) on standard line card to saved the design space greatly, have the thermal behavior that better optics realized, be far better than other plug-in solutions on the present market. Due to the requirement that the micro QSFP optical module can be flexibly plugged and pulled out and the requirement that the connection state is fixed, the micro QSFP optical module which is quick to unlock, easy to drive and stable in connection needs to be designed.

Disclosure of Invention

In order to solve the problems, the invention provides an optical module, and by designing an optical module unlocking mechanism, the quick unlocking, plugging, convenient driving and stable connection of the optical module can be realized.

The invention provides an optical module, which comprises a cavity formed by enclosing a cover plate, a bracket and a bottom plate, wherein an optical port and an electric port are arranged at two ends of the bracket, a lock hole is arranged on the bottom plate, and the optical module also comprises:

the unlocking part is located the top of bottom plate, the unlocking part includes rotor plate, riser and hasp, the riser is located the one end of rotor arm and upwards extend the setting, the hasp is located the other end and the downwardly extending setting of rotor arm, the hasp hold set up in the keyhole.

The end, far away from the rotor arm, of the vertical plate is provided with a clamping groove, the end, close to the rotor arm, of the vertical plate is provided with a first through hole, the clamping groove comprises a transverse groove and a vertical groove, one end of the vertical groove is communicated with the transverse groove, and the other end of the vertical groove is communicated with the edge of the vertical plate.

The handle comprises a pull rod and a bend, the pull rod extends along the length direction of the support, one end of the pull rod is provided with the bend, and the bend is accommodated in the transverse groove through the vertical groove.

When the lock is unlocked, the pull rod and the bend move along the unlocking direction, and in the unlocking direction, the height of the transverse groove is increased, so that the bend drives the unlocking piece to rotate around the rotating shaft when moving in the transverse groove, and the lock head is separated from the lock hole.

Specifically, the bracket is provided with a limiting strip protruding out of the inner side wall of the bracket and extending along the length direction of the bracket, and a guide groove is formed between the limiting strip and the inner side wall of the bracket.

Specifically, the pull rod is matched with the guide groove, so that the pull rod moves along the limiting strip under the limitation of the guide groove.

Specifically, be equipped with inside sunken bar groove on the inside wall of support, the top in bar groove is the arc, the both ends of pivot hold in the top in bar groove.

Specifically, be provided with the boss on the inside wall of support, the boss corresponds to the top setting in bar groove, set up threaded hole on the boss.

Specifically, the second through-hole has been seted up to the one end of bottom plate, and its other end has been seted up and has been dodged the groove, it is located to dodge the groove the below of first through-hole.

Specifically, the screw passes through the through-hole will the bottom plate is fixed on the boss and the bottom plate can restrict the pivot is followed the bar groove slides.

Specifically, the one end that is close to on the support inside wall light mouthful is provided with the constant head tank, the other end of pull rod is provided with the crossbeam with the junction of pull rod is provided with the convex closure, the constant head tank is used for holding the convex closure.

Specifically, the cover plate is provided with a plug tongue, and the support is provided with a slot matched with the plug tongue.

Specifically, be provided with spacing arch on the inside wall of support, spacing arch is used for the restriction the unlocking piece is in predetermineeing the angle within range and winds the pivot rotates.

According to the technical scheme, the application of the invention provides an optical module, and particularly provides an unlocking mechanism of the optical module, wherein an unlocking piece is driven to rotate through linear motion of a handle, so that a lock catch is separated from a lock hole, the optical module can be quickly unlocked, the structure is simple, the connection is stable, the unlocking force required by unlocking is small, the unlocking resistance is small, and the operation is convenient.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any inventive exercise.

Fig. 1 is an exploded schematic view of an optical module according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a bracket according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a base plate according to an embodiment of the present invention;

FIG. 4 is a schematic view of an unlocking member provided in an embodiment of the present invention;

FIG. 5 is a schematic structural view of a handle provided in an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a cover plate according to an embodiment of the present invention;

FIG. 7A is an assembly view of an unlock mechanism provided in an embodiment of the present invention during deadlocking;

FIG. 7B is an assembly view of an unlocking mechanism provided in an embodiment of the present invention when unlocked;

fig. 7C is a schematic diagram illustrating the dimensions of a transverse slot provided in an embodiment of the present invention.

Detailed Description

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

In the description of the present invention, 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 of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the prior art, because the micro QSFP optical module is required to be flexibly plugged and pulled out, and is easy to drive, and meanwhile, the connection state is required to be stable, a micro QSFP optical module which is quick to unlock, simple to drive and stable in connection needs to be designed.

In view of the above, the application of the present invention provides an optical module, in which an unlocking member is driven to rotate around a rotating shaft within a certain angle range by horizontally pulling a handle, so as to realize unlocking and locking actions of the optical module.

The optical module provided by the invention aims to solve the technical problems in the prior art. The technical solutions of the present application are described in detail below with specific embodiments, and details of the same or similar concepts or processes may not be repeated in some embodiments.

Referring to fig. 1-6, fig. 1 shows an exploded schematic view of an optical module provided in an embodiment of the present invention, in which an optical module 10 includes a cavity (not shown in the figure) enclosed by a cover plate 1, a bracket 2 and a bottom plate 3, the bracket 2 is provided with an optical port 101 and an electrical port 102, the bottom plate 3 is provided with a lock hole 31, and the optical module further includes an unlocking member 4, a handle 5, a rotating shaft 6, wherein, the unlocking member 4 comprises a rotating plate 41, a vertical plate 42 and a lock catch 43, the vertical plate 42 is located at one end of the rotating plate 41 and extends upwards, the lock catch 43 is located at the other end of the rotating plate 41 and extends downwards, the lock hole 31 is used for accommodating the lock catch 43, when the optical module 10 is in a locked state, the latch 43 extends out of the lower surface of the base plate 3 through the lock hole 31, and is clamped and fixed with a clamping piece in a cage (not shown in the figure), so that the optical module 10 is fixedly connected with the cage. Optionally, a clamping groove 44 is formed in one end of the vertical plate 42, which is far away from the rotating plate 41, a first through hole 45 is formed in one end of the vertical plate 42, which is close to the rotating plate 41, the clamping groove 44 is composed of a transverse groove 441 and a vertical groove 442, one end of the vertical groove 442 is communicated with the transverse groove 441, and the other end of the vertical groove 442 is communicated with an edge portion of the vertical plate 42, the transverse groove 441 may be disposed along the length direction of the bracket 2, the opening direction of the vertical groove 442 may be perpendicular to the opening direction of the transverse groove 441, and the transverse groove 441 and the vertical groove 442 jointly form an "inverted T" structure.

Optionally, the handle 5 includes a pull rod 51, a cross beam 52 and a bend 53, the pull rod 51 is disposed to extend along the length direction of the bracket 2, the handle 5 may include two oppositely disposed pull rods 51 located on the inner side wall of the bracket 2, the cross beam 52 is located at the same end of the two pull rods 51 and connects the two pull rods 51, the other end of the two pull rods 51 is provided with the bend 53, the bend 53 is disposed to extend inwardly from the end of the pull rod 51, and when the handle 5 and the unlocking member 4 are assembled, the bend 53 is received in the transverse groove 441 through the vertical groove 442.

Optionally, two limiting strips 21 protruding from the inner side wall of the bracket 2 and extending along the length direction of the bracket 2 are disposed on the bracket 2, the two limiting strips 21 are disposed opposite to the inner side wall of the bracket 2 and respectively form two guide grooves 211 with the inner side wall of the bracket 2, and when the handle 5 and the bracket 2 are assembled, the pull rod 51 is accommodated in the guide grooves 211 and is matched with the guide grooves 211, so that the pull rod 51 moves along the limiting strips 21 under the restriction of the guide grooves 211.

Optionally, when assembly pivot 6 and unblocking piece 4, pivot 6 cooperatees and fixed mounting in the cavity of support 2 with first through-hole 45, is provided with two inside sunken bar grooves 22 on the inside wall of support 2, and these two bar grooves 22 set up relatively, and its top is the arc, and this top is used for holding the both ends of pivot 6, and its bottom communicates with the bottom of support, makes pivot 6 can be followed the bottom of support 2, moves the top in bar groove 22 along the bottom in bar groove 22, realizes being connected of pivot 6 and support 2.

Optionally, a boss 23 is further disposed on the inner side wall of the support 2, the boss 23 is disposed opposite to the top end of the strip-shaped groove 22, a threaded hole 231 is disposed on the boss 23, a second through hole 32 is disposed at one end of the bottom plate 3, an avoiding groove 33 is disposed at the other end of the bottom plate 3, the avoiding groove 33 is used for avoiding one end of the vertical plate 42, which is disposed with the first through hole 45, when the bottom plate 3 and the support 2 are assembled, the screw passes through the second through hole 32 on the bottom plate 3 and is fixedly connected with the boss 23, because the boss 23 is disposed opposite to the top end of the strip-shaped groove 22, after the bottom plate 3 and the boss 23 are fixedly connected, one end of the bottom plate 3, which is disposed with the avoiding groove 33, is located below the rotating shaft 6, relative sliding of the rotating shaft 6 in the strip-shaped groove 22 of the.

Optionally, a positioning groove 24 is provided at an end of the inner side wall of the bracket 2 close to the light opening 101, a convex hull 54 is provided at a joint of the cross beam 52 and the pull rod 51 of the handle 5, the positioning groove 24 is used for accommodating the convex hull 54, and when the lock catch 43 passes through the lock hole 31 and extends out of the lower surface of the bottom plate 3, the convex hull 54 is matched with the positioning groove 24, so as to realize positioning between the handle 5 and the bracket 2.

Optionally, the cover plate 1 is provided with a tongue 11, the bracket 2 is provided with a slot 25 matched with the tongue 11, and when the cover plate 1 is connected with the bracket 2, the tongue 11 is inserted into the slot 25 to realize the positioning between the cover plate 1 and the bracket 2.

Optionally, a limiting protrusion 26 is further disposed on the inner side wall of the bracket 2, and the limiting protrusion 26 is configured to limit the unlocking piece 4 to rotate around the rotating shaft 6 within a certain angle range when the unlocking piece 4 rotates along the rotating shaft 6, so as to prevent damage to components in the optical module 10 due to an excessively large rotating angle of the unlocking piece 4 when the unlocking piece 4 rotates.

Next, the present embodiment will explain the assembly and the unlocking of the optical module provided in the present embodiment with reference to fig. 1 to 6 and fig. 7A and 7B.

When the optical module 10 provided by the embodiment of the present application is assembled, the rotating shaft 6 is engaged with the unlocking member 4 through the first through hole 45, the two ends of the rotating shaft 6 are assembled into the support cavity along the strip-shaped groove 22 from the bottom of the support 2 with the rotating shaft 6 and the unlocking piece 4 which are matched, then the bottom plate 3 is put into the support 2 from the bottom of the support 2 and is positioned below the unlocking piece 4, the bottom plate 3 is fixedly connected with the boss 23 on the inner side wall of the support 2 through the second through hole 32 by screws, at the moment, the bottom plate 3 can be used for limiting the sliding of the rotating shaft 6 along the strip-shaped groove 22, and the lock catch 43 protrudes out of the lower surface of the base plate 3 through the lock hole 31, and further, the pull rod 51 of the handle 5 is received in the guide groove 211, and the bent part 53 is slid into the transverse groove 441 along the vertical groove 442, the convex hull 54 is clamped into the positioning groove 24, and finally, the inserting tongue of the cover plate 1 is inserted into the inserting groove 25 to assemble the cover plate 1 and the bracket 2.

Further, when unlocking, the handle 5 is under the action of the unlocking force, the convex hull 54 on the handle is pulled out from the positioning groove 24, the pull rod 51 slides along the guide groove 211, so that the pull rod 51 and the bend 52 move along the unlocking direction, specifically, the unlocking direction is a direction which is parallel to the length direction of the bracket 2 and is directed to the light port 101 by the electric port 102.

Further, during unlocking, the bend 52 firstly moves from the right end of the transverse slot 441 to the left end of the transverse slot 441, and then the bend 52 drives the left end of the sliding slot 441 to rotate the vertical plate 42 around the rotating shaft 6, because the vertical plate 42 and the rotating plate 41 are integrated, the rotating plate 41 rotates around the rotating shaft 6 along with the vertical plate 42 along the counterclockwise direction, in order to avoid the transverse slot 441 obstructing the bend 52 from moving in the transverse slot 441, in the unlocking direction, the height of the transverse slot 441 is increased, that is, the opening area of the transverse slot 441 is increased, referring to fig. 7C, in the unlocking direction, h3 > h2 > h1, because the distance between the transverse slot 441 and the rotating shaft 6 is inevitably increased because the vertical plate 42 rotates around the rotating shaft 6 along with the vertical plate 42, and when the bend 52 slides in the transverse slot 441, if the height of the transverse slot 441 is kept constant, it is inevitable that bending portion 52 is rotated together with lateral groove 441 about rotation shaft 6, resulting in that bending portion 52 is not moved linearly in the unlocking direction, and therefore, when lateral groove 441 satisfies the above condition, bending portion 52 is moved downward relative to lateral groove 441 at lateral groove 441 even though lateral groove 441 is rotated about rotation shaft 6, thereby causing bending portion 52 to be moved linearly in the unlocking direction.

Further, when the rotating plate 41 rotates counterclockwise around the rotating shaft 6, the latch 43 is disengaged from the locking hole 31, and the optical module 10 completes unlocking.

Further, the locking process and the unlocking process of the optical module 10 are opposite, and details thereof are not described in this embodiment of the present application.

In summary, the application of the present invention provides an optical module, and in particular, provides an unlocking mechanism of an optical module, in which an unlocking member is driven to rotate by linear motion of a handle, so that a latch is disengaged from a lock hole, the optical module can be quickly unlocked, the optical module is simple in structure and stable in connection, the unlocking force required for unlocking is small, the unlocking resistance is small, and the operation is convenient.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims

1. The utility model provides an optical module, includes, the optical module includes that apron, support and bottom plate enclose the cavity of establishing, the support both ends are provided with light mouth and electric mouth, be provided with the lockhole on the bottom plate, its characterized in that still includes:

the unlocking piece is positioned above the bottom plate and comprises a rotating plate, a vertical plate and a lock catch, the vertical plate is positioned at one end of the rotating arm and extends upwards, the lock catch is positioned at the other end of the rotating arm and extends downwards, and the lock catch is accommodated in the lock hole;

one end, far away from the rotating arm, of the vertical plate is provided with a clamping groove, one end, close to the rotating arm, of the vertical plate is provided with a first through hole, the clamping groove comprises a transverse groove and a vertical groove, one end of the vertical groove is communicated with the transverse groove, and the other end of the vertical groove is communicated with the edge of the vertical plate;

the handle comprises a pull rod and a bend, the pull rod extends along the length direction of the support, one end of the pull rod is provided with the bend, and the bend is accommodated in the transverse groove through the vertical groove;

the rotating shaft is matched with the first through hole and fixedly arranged on the bracket;

when the lock hole is unlocked, the pull rod and the bend move along the unlocking direction, and in the unlocking direction, the height of the transverse groove is increased, so that the bend drives the unlocking piece to rotate around the rotating shaft when moving in the transverse groove, and the lock catch is separated from the lock hole.

2. The optical module according to claim 1, wherein the bracket is provided with a stopper protruding from an inner sidewall of the bracket and extending in a longitudinal direction of the bracket, and a guide groove is formed between the stopper and the inner sidewall of the bracket.

3. The optical module according to claim 2, wherein the pull rod is engaged with the guide groove such that the pull rod moves along the stopper bar under the restriction of the guide groove.

4. The optical module according to claim 1, wherein an inwardly recessed strip-shaped groove is formed in an inner side wall of the bracket, a top end of the strip-shaped groove is arc-shaped, and two ends of the rotating shaft are accommodated at the top end of the strip-shaped groove.

5. The optical module according to claim 4, wherein a boss is disposed on an inner side wall of the bracket, the boss is disposed corresponding to a top end of the strip-shaped groove, and a threaded hole is formed in the boss.

6. The optical module according to claim 5, wherein the bottom plate has a second through hole formed at one end thereof and an avoiding groove formed at the other end thereof, the avoiding groove being located below the first through hole.

7. The optical module according to claim 6, wherein a screw fixes the base plate on the boss through the through hole and the base plate can limit the rotation shaft to slide along the strip-shaped groove.

8. The optical module according to claim 1, wherein a positioning groove is disposed at an end of the inner sidewall of the bracket near the optical port, a cross beam is disposed at the other end of the pull rod, a convex hull is disposed at a joint of the cross beam and the pull rod, and the positioning groove is used for accommodating the convex hull.

9. The optical module according to claim 1, wherein the cover plate is provided with a tongue, and the bracket is provided with a slot matched with the tongue.

10. The optical module of claim 1, wherein a limiting protrusion is disposed on an inner sidewall of the bracket, and the limiting protrusion is configured to limit the unlocking member to rotate around the rotating shaft within a preset angle range.