CN112415675A - Optical module - Google Patents
Optical module Download PDFInfo
- Publication number
- CN112415675A CN112415675A CN202011351207.5A CN202011351207A CN112415675A CN 112415675 A CN112415675 A CN 112415675A CN 202011351207 A CN202011351207 A CN 202011351207A CN 112415675 A CN112415675 A CN 112415675A
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- China
- Prior art keywords
- unlocking
- optical module
- salient point
- driving part
- base
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4256—Details of housings
Abstract
The invention discloses an optical module, comprising: the unlocking device comprises a pull ring, an unlocking body and a first outer cover, wherein the pull ring comprises a driving part, the unlocking body is arranged on the driving part, the first outer cover is arranged on the unlocking body, the unlocking body comprises an unlocking convex point, a first stress surface and a second stress surface, and a lock hole is formed in the first outer cover; when the driving part applies external force to the first stress surface, the unlocking salient point is coupled with the lock hole, and the optical module is in a locking state; when the driving part applies external force to the second stress surface, the unlocking salient point sinks, the unlocking salient point is decoupled from the lock hole, and the optical module is in an unlocking state. In the invention, the driving part on the pull ring selectively applies external force to the first stress surface or the second stress surface of the unlocking body to switch the position of the unlocking salient point relative to the lock hole, so that the unlocking or locking function is realized, the unlocking structure is simple, and the operation is convenient.
Description
Technical Field
The invention belongs to the technical field of optical communication, and particularly relates to an optical module.
Background
An Optical module (Optical transceiver) is an important active Optical device, and electric-Optical conversion and Optical-electric conversion of signals are respectively realized at a transmitting end and a receiving end. Since the transmission of communication signals mainly uses optical fibers as media, and the generation end, the forwarding end, the processing end and the receiving end process electric signals, the optical module has a wide and growing market space. The upstream of the optical module mainly comprises an optical chip and a passive optical device, and the downstream customers mainly comprise telecom main equipment manufacturers, operators and internet cloud computing enterprises.
The optical module follows the packaging sequence of chip-assembly (OSA) -module. The laser chip and the detector chip are packaged by a conventional TO form a TOSA (Transmitter Optical Subassembly, abbreviated as TOSA) and a ROSA (Receiver Optical Subassembly, abbreviated as ROSA), and a matching electrical chip is attached TO a PCB (Printed Circuit Board), and then an Optical channel and an Optical fiber are connected by precision coupling, and finally packaged into a complete Optical module. Emerging COB (Chip On board, abbreviated as COB) mainly applied to short-distance multi-mode adopts a hybrid integration method, a Chip is attached to a PCB (printed circuit board) through a special bonding welding process, and non-airtight packaging is adopted.
The SFP (Small Form-factor plug, abbreviated as SFP) + AOC (Active Optical Cables, abbreviated as AOC) Optical module is mainly applied to short distance, and with the development of applications such as cloud computing, internet of things, and mobile internet, the rapidly increasing data traffic puts higher and higher requirements on bandwidth. In recent two years, the strategy of 'broadband China' and the strategy of accelerating the construction of network strong countries are successively proposed, and the optical communication is taken as one of the most important information communication infrastructures, so that the optical communication has increasingly prominent effects on supporting the social informatization, broadband construction and network strong countries in China. The optical communication industry is rapidly developed to drive the optical module to be updated, and in the increasingly intense market competition of the current optical communication, the communication equipment with smaller and smaller volume is required, and the interface density and the interface board are higher. To accommodate the demanding optical communication devices, optical modules are a development of highly integrated small packages. The optical module SFP + is still a neutral current column in the optical module family in about 5 to 10 years. Especially over long distances in recent years 40 km LR SFP + has developed rapidly. The method has great prospect and significance for improving and optimizing the SFP + optical module.
From the demand side, the continuous increase of bandwidth demand drives the demand of high-speed optical modules to increase rapidly, and continuous increase income is brought to optical module manufacturers; meanwhile, as the optical module product belongs to a non-standard product, the difficulty in developing the optical module is increased due to more customization requirements, and higher requirements are provided for the optical module in terms of optics, circuits and structures.
From the packaging structure, when the optical module is applied to a data center switch, the optical module can be repeatedly plugged and unplugged frequently in the using process, the plugging and unplugging are difficult, and in the plugging and unplugging process for hundreds of times, on one hand, the optical module is easy to break and lose efficacy, and on the other hand, the optical module can cause structural damage to interface devices such as the switch.
In view of this, overcoming the deficiencies of the prior art products is an urgent problem to be solved in the art.
Disclosure of Invention
Aiming at the defects or the improvement requirements of the prior art, the invention provides an optical module, which is simple and convenient to operate in a self-sinking unlocking mode in the unlocking process, does not damage the self structure of the optical module, improves the reliability of the optical module and prolongs the service life of the optical module; and can guarantee to the utmost that unblock in-process unblock bump can not touch interface device, increase interface device's life, solve the optical module and plug the difficulty on intensive rack, the unblock in-process causes the problem of destruction to optical module and interface device easily.
To achieve the above object, according to an aspect of the present invention, there is provided an optical module including: the unlocking structure comprises a pull ring 1, an unlocking body 2 and a first outer cover 3, wherein the pull ring 1 comprises a driving part 11, the unlocking body 2 is arranged on the driving part 11, the first outer cover 3 is arranged on the unlocking body 2, the unlocking body 2 comprises an unlocking salient point 20, a first stress surface 21, a second stress surface 22, a transition surface 25 and a rotating shaft 23, the first stress surface 21 is connected with the second stress surface 22 through the transition surface 25, the rotating shaft 23 is arranged on two sides of the transition surface 25, the driving part 11 is arranged below the first stress surface 21, the transition surface 25 and the second stress surface 22, and a lock hole 30 is arranged on the first outer cover 3;
the optical module further comprises a base 6, wherein a U-shaped groove 60 is formed in the base 6, and the rotating shaft 23 is accommodated in the U-shaped groove 60;
when the driving part 11 applies an external force to the first force-bearing surface 21, the unlocking bump 20 rotates obliquely upward along the rotating shaft 23 until the unlocking bump 20 is coupled with the locking hole 30, and the optical module is in a locked state;
when the driving portion 11 applies an external force to the second force-bearing surface 22, the unlocking bump 20 rotates along the rotating shaft 23 to the lower oblique direction, so as to drive the unlocking bump 20 to be decoupled from the locking hole 30, and the optical module is in an unlocking state.
Preferably, the optical module further includes an elastic member 4 and a cover plate 5, the cover plate 5 is provided with a first bending surface 51, the pull ring 1 is provided with a receiving groove 12, the receiving groove 12 includes a second bending surface 121, and the cover plate 5 is disposed on the receiving groove 12;
the elastic element 4 is disposed in the accommodating groove 12, one end of the elastic element 4 is in contact with the first bending surface 51, and the other end of the elastic element 4 is in contact with the second bending surface 121;
when the tab 1 receives an external force, the second bending surface 121 compresses the elastic member 4, and the driving portion 11 applies the external force to the second force-bearing surface 22 to drive the unlocking salient point 20 to sink, so that the unlocking salient point 20 is decoupled from the locking hole 30;
when the elastic element 4 is deformed, the driving portion 11 applies an external force to the first force-bearing surface 21 to drive the unlocking salient point 20 to move upward until the unlocking salient point 20 is coupled with the locking hole 30.
Preferably, the side surface of the cover plate 5 is provided with a notch 52, wherein the elastic member 4 is placed in the receiving groove 12 through the notch 52.
Preferably, the unlocking body 2 further comprises a bearing surface 24, the unlocking salient point 20 is arranged on the bearing surface 24, and the bearing surface 24 is connected with the first stress surface 21;
wherein, the lower end of the bearing surface 24 is an inclined surface, the first bearing surface 21 and the second bearing surface 22 are both inclined surfaces, and the transition surface 25 is a plane
Preferably, a first movable space 61 is provided on the base 6, the U-shaped groove 60 is provided on two sides of the first movable space 61, the driving portion 11 is provided in the first movable space 61, and the driving portion 11 is movable in the first movable space 61 to selectively apply an external force to the first force-bearing surface 21 or the second force-bearing surface 22.
Preferably, the base 6 is provided with a second movable space 62, a bottom surface of the second movable space 62 is an inclined surface, and the unlocking protrusion 20 can move up and down in the second movable space 62 to couple or decouple with the locking hole 30.
Preferably, the optical module further includes an optical fiber assembly 7 and an upper cover 8, the optical fiber assembly 7 includes a circuit board 70 and an optical fiber pigtail 71, the optical fiber pigtail 71 is connected to the circuit board 70, the optical fiber pigtail 71 includes a first cylindrical portion 72 and a stopper 73, the stopper 73 is disposed between the circuit board 70 and the first cylindrical portion 72, the base 6 includes a support base 63, a first semicircular surface 64 and a step surface 65, and the upper cover 8 includes a second semicircular surface 81;
the circuit board 70 is disposed on the support base 63, the stopper 73 abuts against the stepped surface 65, and the first cylindrical portion 72 is confined in a space formed by the first semicircular surface 64 and the second semicircular surface 81.
Preferably, the fiber pigtail 71 further comprises a second cylindrical portion 74 and a chuck portion 75, the chuck portion 75 being disposed between the first cylindrical portion 72 and the second cylindrical portion 74; the base 6 comprises a boss 66; the optical module further comprises a fixture block 9, and the fixture block 9 comprises a U-shaped arc part 91 and a convex part 92;
the U-shaped arc portion 91 is fitted around the second cylindrical portion 74, the protruding portion 92 abuts against the boss 66, and the opposite surface of the protruding portion 92 abuts against the chuck portion 75.
Preferably, the base 6 is provided with a first wedge 67, the first housing 3 is provided with a first through hole 31, and the first through hole 31 is engaged with the first wedge 67 to fix the first housing 3 on the base 6.
Preferably, the driving part 11 is a cylinder, and the tab 1 is a long tab structure.
Generally, compared with the prior art, the technical scheme of the invention has the following beneficial effects: the present invention provides an optical module, comprising: the unlocking device comprises a pull ring, an unlocking body and a first outer cover, wherein the pull ring comprises a driving part, the unlocking body is arranged on the driving part, the first outer cover is arranged on the unlocking body, the unlocking body comprises an unlocking salient point, a first stress surface, a second stress surface, a transition surface and a rotating shaft, the first stress surface is connected with the second stress surface through the transition surface, the rotating shaft is arranged on two sides of the transition surface, the driving part is arranged below the first stress surface, the transition surface and the second stress surface, and a lock hole is formed in the first outer cover; the optical module also comprises a base, wherein a U-shaped groove is formed in the base, and the rotating shaft is accommodated in the U-shaped groove; when the driving part applies an external force to the first stress surface, the unlocking salient point rotates obliquely upwards along the rotating shaft until the unlocking salient point is coupled with the lock hole, and the optical module is in a locked state; when the driving part applies external force to the second stress surface, the unlocking salient point rotates along the rotating shaft to the inclined lower side to drive the unlocking salient point to be decoupled with the lock hole, and the optical module is in an unlocking state. In the invention, the driving part on the pull ring receives external force to selectively apply the external force to the first stress surface or the second stress surface of the unlocking body, and the position of the unlocking salient point relative to the lock hole is switched, so that the unlocking function or the locking function is realized, the unlocking structure is simple, and the operation is convenient. In the unlocking process, the self-sinking unlocking mode does not damage the self structure of the optical module, improves the reliability of the optical module and prolongs the service life of the optical module; and can guarantee to the utmost that unblock in-process unblock bump can not touch interface device, increase interface device's life, solve the optical module and plug the difficulty on intensive rack, the unblock in-process causes the problem of destruction to optical module and interface device easily.
Drawings
Fig. 1 is a schematic structural diagram of an optical module according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of an optical module according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a tab according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an unlocking body according to an embodiment of the present invention;
FIG. 5 is a schematic view of a first housing according to an embodiment of the invention;
FIG. 6 is a schematic structural diagram of a base according to an embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view of the base of FIG. 6 according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a cover plate according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an optical module in a locked state and in an unlocked state according to an embodiment of the present invention;
fig. 10 is a schematic cross-sectional structure diagram of an optical module in a locked state and in an unlocked state according to an embodiment of the present invention;
FIG. 11 is a schematic structural diagram of a fiber optic assembly according to an embodiment of the present invention;
fig. 12 is a schematic structural diagram of an upper cover according to an embodiment of the present invention;
fig. 13 is a schematic structural diagram of a fixture block according to an embodiment of the present invention;
fig. 14 is a schematic structural diagram of a second housing according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, the terms "inner", "outer", "longitudinal", "lateral", "upper", "lower", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are for convenience only to describe the present invention without requiring the present invention to be necessarily constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1:
referring to fig. 1 to 5, the present embodiment provides an optical module, including: the unlocking structure comprises a pull ring 1, an unlocking body 2 and a first outer cover 3, wherein the pull ring 1 comprises a driving portion 11, the unlocking body 2 is arranged on the driving portion 11, the first outer cover 3 is arranged on the unlocking body 2, the unlocking body 2 comprises an unlocking bump 20, a first stress surface 21 and a second stress surface 22, a lock hole 30 is formed in the first outer cover 3, the driving portion 11 is used for selecting under the action of external force to the first stress surface 21 or the second stress surface 22 to apply external force, and then the unlocking bump 20 is switched to the position of the lock hole 30. The pull ring 1 is of a long pull ring structure, can be plugged with optical fibers and is adaptive to an intensive cabinet.
In practical use, when the driving part 11 applies an external force to the first force-bearing surface 21, the unlocking salient point 20 is coupled with the locking hole 30, and the optical module is in a locked state; when the driving part 11 applies an external force to the second force-bearing surface 22, the unlocking bump 20 sinks, the unlocking bump 20 is decoupled from the locking hole 30, and the optical module is in an unlocking state.
In this embodiment, the driving part on the pull ring receives external force to selectively apply the external force to the first stress surface or the second stress surface of the unlocking body, and the position of the unlocking salient point relative to the lock hole is switched, so that the unlocking function or the locking function is realized, the unlocking structure is simple, and the operation is convenient. In the unlocking process, the self-sinking unlocking mode does not damage the self structure of the optical module, improves the reliability of the optical module and prolongs the service life of the optical module; but also can ensure that the unlocking salient point can not touch the interface device to the greatest extent in the unlocking process, thereby prolonging the service life of the interface device,
further, referring to fig. 8, the optical module further includes an elastic member 4 and a cover plate 5, the cover plate 5 is provided with a first bending surface 51, the pull ring 1 is provided with an accommodating groove 12, the accommodating groove 12 includes a second bending surface 121, and the cover plate 5 is disposed on the accommodating groove 12. The elastic element 4 is disposed in the accommodating groove 12, one end of the elastic element 4 is in contact with the first bending surface 51, and the other end of the elastic element 4 is in contact with the second bending surface 121; when the tab 1 receives an external force, the second bending surface 121 compresses the elastic member 4, and the driving portion 11 applies the external force to the second force-bearing surface 22 to drive the unlocking salient point 20 to sink, so that the unlocking salient point 20 is decoupled from the locking hole 30; when the elastic element 4 is deformed, the driving portion 11 applies an external force to the first force-bearing surface 21 to drive the unlocking salient point 20 to move upward until the unlocking salient point 20 is coupled with the locking hole 30.
In an actual application scenario, the elastic member 4 is a spring, the two sides of the pull ring 1 are both provided with a receiving groove 12, one end of the receiving groove 12 close to the handle of the pull ring 1 is provided with an opening (i.e., the end opposite to the second bending surface 121 is not provided with a component), the receiving groove 12 specifically comprises a bottom surface and a side surface, the cover plate 5 is arranged on the receiving groove 12, the bottom surface, the side surface, the second bending surface 121 of the receiving groove 12 and the top surface, the side surface and the first bending surface 51 of the cover plate 5 form a hollow cavity, so that the elastic member 4 is limited in the hollow cavity.
In practical use, referring to fig. 9 and 10, one end of the elastic element 4 is in contact with the first bending surface 51, when the tab 1 is subjected to an outward pulling force, the second bending surface 121 compresses the elastic element 4, and at the same time, the driving portion 11 also moves towards the direction close to the second force-bearing surface 22 and applies an external force to the second force-bearing surface 22 to drive the unlocking salient point 20 to sink, so that the unlocking salient point 20 is decoupled from the locking hole 30; when the pulling force applied to the tab 1 is released, when the elastic member 4 recovers deformation, one end of the elastic member 4 pushes the second bending surface 121 to move, and meanwhile, the driving portion 11 also moves towards the direction close to the first stressed surface 21 and applies an external force to the first stressed surface 21 to drive the unlocking salient point 20 to move upwards until the unlocking salient point 20 is coupled with the locking hole 30.
In a preferred embodiment, in order to facilitate the installation of the spring, the side surface of the cover plate 5 is provided with a notch 52, and the elastic member 4 is placed in the receiving groove 12 through the notch 52.
In an actual application scenario, the number of the accommodating grooves 12, the number of the elastic members 4, and the number of the first bending surfaces 51 are two, and the two accommodating grooves 12 are symmetrically arranged relative to the driving portion 11, so that the stress balance of the driving portion 11 is ensured.
With further reference to fig. 6 and 7, the optical module further includes a base 6, a U-shaped groove 60 is disposed on the base 6, a rotating shaft 23 is disposed on the unlocking body 2, and the rotating shaft 23 is accommodated in the U-shaped groove 60; when the driving part 11 applies an external force to the first force-bearing surface 21, the unlocking salient point 20 rotates obliquely upward along the rotating shaft 23 until the unlocking salient point 20 is coupled with the locking hole 30; when the driving portion 11 applies an external force to the second force-bearing surface 22, the unlocking protrusion 20 rotates along the rotating shaft 23 in a direction obliquely downward, so as to drive the unlocking protrusion 20 to be decoupled from the locking hole 30.
Specifically, as shown in fig. 4, the unlocking body 2 further includes a bearing surface 24 and a transition surface 25, the unlocking salient point 20 is disposed on the bearing surface 24, the bearing surface 24 is connected with the first force-bearing surface 21, the first force-bearing surface 21 is connected with the second force-bearing surface 22 through the transition surface 25, and the rotating shaft 23 is disposed on two sides of the transition surface 25; the lower end of the bearing surface 24 is an inclined surface, the first bearing surface 21 and the second bearing surface 22 are both inclined surfaces, and the transition surface 25 is a plane. In a preferred embodiment, an included angle between the first force-bearing surface 21 and the transition surface 25 is greater than 90 degrees, and an included angle between the second force-bearing surface 22 and the transition surface 25 is greater than 90 degrees, so that it is ensured that when the driving portion 11 applies an external force to the first force-bearing surface 21 and the second force-bearing surface 22, the unlocking body 2 can rotate along the rotating shaft 23, and then the unlocking salient point 20 is driven to move from sinking or rising, thereby realizing an unlocking or locking function.
The driving portion 11 can move along the first force-bearing surface 21 or the second force-bearing surface 22, the driving portion 11 is configured to apply a force to the first force-bearing surface 21 and the second force-bearing surface 22, the specific shape and structure of the driving portion 11 are not particularly limited, and in an actual application scenario, the driving portion 11 may be a convex point, or may be a bump or another component (e.g., a cylinder, a sphere, a circular truncated cone, or the like) having an arc-shaped contact surface. In the preferred embodiment, the driving portion 11 is a cylinder, the front end of the pull ring 1 has a rectangular parallelepiped structure, the driving portion 11 (cylinder) is connected with the rectangular parallelepiped structure, and the diameter of the driving portion 11 is larger than the height of the rectangular parallelepiped structure, so as to ensure that the driving portion 11 can apply force to the first force-bearing surface 21 or the second force-bearing surface 22. The base 6 is provided with a first movable space 61, the U-shaped groove 60 is disposed on two sides of the first movable space 61, the driving portion 11 is disposed in the first movable space 61, and the driving portion 11 can move in the first movable space 61 to selectively apply an external force to the first force-bearing surface 21 or the second force-bearing surface 22. The base 6 is provided with a second movable space 62, a bottom surface of the second movable space 62 is an inclined surface (as shown in fig. 7), and the unlocking protrusion 20 can move up and down in the second movable space 62 to couple or decouple with the locking hole 30.
In an actual application scenario, the locking hole 30 is a triangular hole, and the unlocking salient point 20 is a triangular salient point, so that the locking stability can be improved.
The unlocking and locking process will be described in detail below with reference to fig. 9 and 10. Assuming that the optical module is in a locked state in an initial state (at this time, the driving portion 11 abuts against the first force-bearing surface 21), when the pull ring 1 is pulled leftward (as illustrated in the perspective of fig. 10), the elastic member 4 is compressed, the driving portion 11 moves along the first force-bearing surface 21, and in this process, the unlocking body 2 moves obliquely downward along the rotating shaft 23, and the unlocking protrusion 20 is separated from the locking hole 30; then the driving part 11 moves along the transition surface 25, and then the driving part 11 moves along the second force-bearing surface 22, in this process, the unlocking body 2 continues to move obliquely downward along the rotating shaft 23 until the bearing surface 24 of the unlocking body 2 contacts with the bottom inclined surface of the second movable space 62, and at the same time, the driving part 11 abuts against the edge of the second force-bearing surface 22, so as to unlock the optical module.
After the pulling force applied to the tab 1 is released, the elastic member 4 recovers deformation, and the driving portion 11 moves rightward along the second force-bearing surface 22 (as illustrated in the perspective of fig. 10), in the process, the unlocking body 2 moves obliquely upward along the rotating shaft 23; then the driving part 11 moves along the transition surface 25, and then the driving part 11 moves along the first force-bearing surface 21, in this process, the unlocking body 2 continues to move obliquely upward along the rotating shaft 23 until the unlocking bump 20 is reinserted into the locking hole 30, and at the same time, the driving part 11 abuts against the edge of the first force-bearing surface 21, so as to lock the optical module.
In this embodiment, the unlocking scheme adopts a lever principle of horizontal pulling and inclined pushing, the pull ring 1 is pulled, and the driving portion 11 retreats and pushes against the rear end inclined surface (the second force bearing surface 22) of the unlocking body 2, so that the unlocking body 2 inclines, the unlocking salient point 20 of the unlocking body 2 sinks, and self-unlocking is completed. When the pull ring 1 is loosened, the elastic part 4 recovers deformation, the elastic part 4 pushes the pull ring 1 to move forward, the driving part 11 abuts against the front end inclined plane (the first stress surface 21) of the unlocking body 2, the unlocking salient point 20 moves upwards, the unlocking salient point 20 is coupled with the lock hole 30 again, and the locking state is returned again.
Example 2:
the foregoing embodiment mainly describes an unlocking structure of an optical module, and the following specifically describes other structures of the optical module in combination with embodiment 1, where the optical module has a compact structure and a small size, and meets the demand for further and further miniaturization.
With reference to fig. 11 and 12, the optical module further includes an optical fiber assembly 7 and an upper cover 8, the optical fiber assembly 7 includes a circuit board 70 and an optical fiber pigtail 71, the optical fiber pigtail 71 is connected to the circuit board 70, the optical fiber pigtail 71 includes a first cylindrical portion 72 and a stopper 73, the stopper 73 is disposed between the circuit board 70 and the first cylindrical portion 72, as shown in fig. 6, the base 6 includes a supporting base 63, a first semicircular surface 64 and a step surface 65, and the upper cover 8 includes a second semicircular surface 81. The circuit board 70 is disposed on the supporting platform 63, and the supporting platforms 63 are plural in number and respectively distributed on the front side and the rear side of the base 6. Each of the supporting platforms 63 has a positioning post 631, the circuit board 70 has a plurality of positioning holes 78, and the positioning posts 631 are inserted into the positioning holes 78 to fix the circuit board 70 on the base plate. In an alternative embodiment, positioning post 631 is a cylinder and positioning hole 78 is a semi-circle.
Wherein the stopper portion 73 abuts against the step surface 65, and the first cylindrical portion 72 is confined in a space formed by the first semicircular surface 64 and the second semicircular surface 81. The fiber pigtail 71 further comprises a second cylindrical section 74 and a chuck section 75, the chuck section 75 being arranged between the first cylindrical section 72 and the second cylindrical section 74; the base 6 also includes a boss 66. As shown in fig. 13, the optical module further includes a latch 9, where the latch 9 includes a U-shaped arc portion 91 and a convex portion 92; the U-shaped arc portion 91 is fitted around the second cylindrical portion 74, the protruding portion 92 abuts against the boss 66, and the opposite surface of the protruding portion 92 abuts against the chuck portion 75. In other embodiments, the fiber pigtail 71 further comprises a disc 76, the base 6 comprises a clamping portion 69, and the disc 76 is disposed in the clamping portion 69. The optical fiber pigtail 71 is stably fixed on the base 6 by adopting the structure.
In this embodiment, the upper cover 8 further includes a step 82, the base 6 includes a sunken bottom surface 610, and the step 82 is matched with the sunken bottom surface 610; the upper cover 8 further comprises a pressing column 83, the pressing column 83 is in contact with the plane of the circuit board 70, the upper cover 8 comprises a boss surface 84, and the boss surface 84 is abutted to the upper plane of the fixture block 9; the upper cover 8 further comprises an arc-shaped surface 85, and the arc-shaped surface 85 is matched with the tail sleeve cylindrical surface 77 of the optical fiber assembly 7.
The optical module further comprises a screw 13, wherein the screw 13 is connected with the first threaded hole 86 and the second threaded hole 661, so that the upper cover 8 is fixed on the base 6.
In this embodiment, the base 6 is provided with a first wedge 67, the first cover 3 is provided with a first through hole 31, and the first through hole 31 is engaged with the first wedge 67 to fix the first cover 3 on the base 6.
With reference to fig. 14, the optical module further includes a second housing 10, a second through hole 101 is formed in the second housing 10, a second wedge 68 is formed in the base 6, and the second through hole 101 is engaged with the second wedge 68 to fix the second housing 10 to the base 6.
In other embodiments, referring to fig. 6 and 8, the cover plate 5 is further provided with a third through hole 53, and the base 6 is provided with a third wedge 611 to fix the cover plate 5 to the base 6.
In this embodiment, the unlocking operation is convenient and fast, the unlocking bump 20 is designed to be self-sinking in the process of plugging and unplugging, the optical module is prevented from being damaged, and the optical module has high reliability, stable structure and easy assembly and disassembly. In addition, the self-reset unlocking design can be applied to various OSA devices and COB device packaging, and more application scenes can be met.
In this embodiment, the optical module has the following features: the unlocking salient point 20 adopts the self-unlocking in a movable mode, so that the service life of the exchanger is not influenced to the maximum extent, and the pull ring 1 can be automatically reset and is convenient to lock again; the horizontal pulling type unlocking is realized, so that the modules can be conveniently plugged and pulled out from the intensive cabinet; the flat design of the metal plate is adopted, the structure is compact, and great convenience is brought to operators; the unlocking part is designed without screws, the assembly and the production are simple and convenient, and the reliability is high.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A light module, characterized in that the light module comprises: the unlocking device comprises a pull ring (1), an unlocking body (2) and a first outer cover (3), wherein the pull ring (1) comprises a driving part (11), the unlocking body (2) is arranged on the driving part (11), the first outer cover (3) is arranged on the unlocking body (2), the unlocking body (2) comprises unlocking salient points (20), a first stress surface (21), a second stress surface (22), a transition surface (25) and rotating shafts (23), the first stress surface (21) is connected with the second stress surface (22) through the transition surface (25), the rotating shafts (23) are arranged on two sides of the transition surface (25), the driving part (11) is arranged below the first stress surface (21), the transition surface (25) and the second stress surface (22), and a lock hole (30) is arranged on the first outer cover (3);
the optical module further comprises a base (6), a U-shaped groove (60) is formed in the base (6), and the rotating shaft (23) is accommodated in the U-shaped groove (60);
when the driving part (11) applies an external force to the first stress surface (21), the unlocking salient point (20) rotates obliquely upwards along the rotating shaft (23) until the unlocking salient point (20) is coupled with the locking hole (30), and the optical module is in a locked state;
when the driving portion (11) applies an external force to the second force bearing surface (22), the unlocking salient point (20) rotates along the direction of the rotating shaft (23) and obliquely downwards to drive the unlocking salient point (20) to be decoupled with the locking hole (30), and the optical module is in an unlocking state.
2. The optical module according to claim 1, further comprising an elastic member (4) and a cover plate (5), wherein the cover plate (5) is provided with a first bending surface (51), the pull ring (1) is provided with a receiving groove (12), the receiving groove (12) comprises a second bending surface (121), and the cover plate (5) is disposed on the receiving groove (12);
the elastic piece (4) is arranged in the accommodating groove (12), one end of the elastic piece (4) is in contact with the first bending surface (51), and the other end of the elastic piece (4) is in contact with the second bending surface (121);
when the pull ring (1) receives an external force, the second bending surface (121) compresses the elastic part (4), the driving part (11) applies the external force to the second stress surface (22) to drive the unlocking salient point (20) to sink, so that the unlocking salient point (20) is decoupled from the lock hole (30);
when the elastic piece (4) restores to deform, the driving part (11) applies external force to the first stress surface (21) to drive the unlocking salient point (20) to move upwards until the unlocking salient point (20) is coupled with the lock hole (30).
3. The light module according to claim 2, characterized in that the side of the cover plate (5) is provided with a notch (52), wherein the elastic member (4) is placed in the receiving groove (12) through the notch (52).
4. The light module according to claim 1, characterized in that the unlocking body (2) further comprises a bearing surface (24), the unlocking protrusions (20) being arranged on the bearing surface (24), the bearing surface (24) being connected with the first force-bearing surface (21);
the lower end of the bearing surface (24) is an inclined surface, the first stress surface (21) and the second stress surface (22) are inclined surfaces, and the transition surface (25) is a plane.
5. The light module according to claim 1, wherein a first movable space (61) is provided on the base (6), the U-shaped groove (60) is provided on both sides of the first movable space (61), the driving part (11) is provided in the first movable space (61), and the driving part (11) is movable in the first movable space (61) to selectively apply an external force to the first force-receiving surface (21) or the second force-receiving surface (22).
6. The optical module according to claim 1, wherein a second movable space (62) is disposed on the base (6), a bottom surface of the second movable space (62) is a slope, and the unlocking protrusion (20) is movable up and down in the second movable space (62) to couple or decouple with the locking hole (30).
7. Optical module according to claim 1, characterized in that the optical module further comprises an optical fiber assembly (7) and an upper cover (8), the optical fiber assembly (7) comprises a circuit board (70) and an optical fiber pigtail (71), the optical fiber pigtail (71) is connected with the circuit board (70), the optical fiber pigtail (71) comprises a first cylindrical portion (72) and a stop portion (73), the stop portion (73) is arranged between the circuit board (70) and the first cylindrical portion (72), the base (6) comprises a support stage (63), a first semicircular face (64) and a step face (65), the upper cover (8) comprises a second semicircular face (81);
the circuit board (70) is disposed on the support base (63), the stopper portion (73) abuts against the step surface (65), and the first cylindrical portion (72) is restricted in a space formed by the first semicircular surface (64) and the second semicircular surface (81).
8. The optical module according to claim 7, characterized in that the fiber pigtail (71) further comprises a second cylindrical section (74) and a chuck section (75), the chuck section (75) being arranged between the first cylindrical section (72) and the second cylindrical section (74); the base (6) comprises a boss (66); the optical module further comprises a fixture block (9), and the fixture block (9) comprises a U-shaped arc part (91) and a convex part (92);
the U-shaped arc portion (91) is clamped and sleeved on the second cylindrical portion (74), the boss portion (92) abuts against the boss (66), and the opposite surface of the boss portion (92) abuts against the chuck portion (75).
9. Optical module according to claim 1, characterized in that a first wedge (67) is provided on the base (6), a first through hole (31) is provided on the first housing (3), and the first through hole (31) engages with the first wedge (67) to fix the first housing (3) on the base (6).
10. A light module according to claim 1, characterized in that the driving part (11) is a cylinder and the pull ring (1) is a long pull ring structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011351207.5A CN112415675A (en) | 2020-11-27 | 2020-11-27 | Optical module |
| PCT/CN2020/137394 WO2022110382A1 (en) | 2020-11-27 | 2020-12-17 | Optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011351207.5A CN112415675A (en) | 2020-11-27 | 2020-11-27 | Optical module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112415675A true CN112415675A (en) | 2021-02-26 |
Family
ID=74843958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011351207.5A Pending CN112415675A (en) | 2020-11-27 | 2020-11-27 | Optical module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112415675A (en) |
| WO (1) | WO2022110382A1 (en) |
Cited By (4)
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| CN113589451A (en) * | 2021-07-18 | 2021-11-02 | 武汉光迅科技股份有限公司 | SFP + optical module capable of self-sinking unlocking |
| CN113625401A (en) * | 2021-06-29 | 2021-11-09 | 武汉联特科技股份有限公司 | SFP-DD optical module with straight pull unlocking structure |
| WO2023070804A1 (en) * | 2021-10-28 | 2023-05-04 | 苏州旭创科技有限公司 | Optical module |
| WO2024021224A1 (en) * | 2022-07-26 | 2024-02-01 | 武汉光迅科技股份有限公司 | Optical module using pull tab for unlocking |
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| CN201114062Y (en) * | 2007-08-13 | 2008-09-10 | 宝得粉末注射成形（常熟）有限公司 | Pull ring type unlocking device for photoelectric module |
| CN108802917A (en) * | 2017-04-27 | 2018-11-13 | 苏州旭创科技有限公司 | Optical module and Optical devices with it |
| CN108802920A (en) * | 2018-06-19 | 2018-11-13 | 青岛海信宽带多媒体技术有限公司 | Optical module |
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| CN113625401A (en) * | 2021-06-29 | 2021-11-09 | 武汉联特科技股份有限公司 | SFP-DD optical module with straight pull unlocking structure |
| CN113589451A (en) * | 2021-07-18 | 2021-11-02 | 武汉光迅科技股份有限公司 | SFP + optical module capable of self-sinking unlocking |
| WO2023070804A1 (en) * | 2021-10-28 | 2023-05-04 | 苏州旭创科技有限公司 | Optical module |
| WO2024021224A1 (en) * | 2022-07-26 | 2024-02-01 | 武汉光迅科技股份有限公司 | Optical module using pull tab for unlocking |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022110382A1 (en) | 2022-06-02 |
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