CN215219244U - Adapter assembly for optical module and optical module - Google Patents
Adapter assembly for optical module and optical module Download PDFInfo
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- CN215219244U CN215219244U CN202121742354.5U CN202121742354U CN215219244U CN 215219244 U CN215219244 U CN 215219244U CN 202121742354 U CN202121742354 U CN 202121742354U CN 215219244 U CN215219244 U CN 215219244U
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Abstract
The utility model relates to an adapter subassembly and optical module for optical module, effectively reduce the adapter casing, the assembly error between optic fibre lock PIN and PIN needle, reduce the machining precision requirement to the shell structure, make the optical power of optical module more stable, including adapter casing and optic fibre lock PIN, be provided with on the adapter casing with optic fibre lock PIN assorted slot, be equipped with a plurality of optical fiber jack on the optic fibre lock PIN, the optic fibre lock PIN is including slot part and spacing portion, slot part can the cartridge in the slot, spacing portion can carry on spacingly to the installation of optic fibre lock PIN in the slot, on the adapter casing, the place ahead both sides that lie in the slot are provided with the pothook respectively, the pothook can carry on spacingly with the spacing portion cooperation of optic fibre lock PIN to the optic fibre lock PIN, still be provided with PIN needle locating hole on the optic fibre lock PIN, PIN needle is installed in PIN needle locating hole.
Description
Technical Field
The utility model relates to an optical communication technical field, concretely relates to make more stable adapter subassembly of light power and optical module.
Background
An adapter of an existing optical module is shown in fig. 1, and the adapter is composed of a shell C, an optical fiber ferrule B and a PIN assembly a, and is positioned by arranging a limit groove on an optical module shell structural member D. Because there is certain error when each subassembly of adapter cooperates, can also have the error when assembling adapter and shell structure spare completely to the ideal position, these errors accumulate the back, can lead to this kind of adapter structure inevitably to appear the unstable phenomenon of optical module light power in optic fibre plug in-process.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model relates to a make the more stable adapter subassembly of optical power and have the optical module of this adapter subassembly effectively reduces the assembly error between adapter casing, optic fibre lock PIN and PIN needle, reduces the machining precision requirement to the shell structure, makes the optical power of optical module more stable.
The technical scheme is as follows: the utility model provides an adapter subassembly for optical module, includes adapter housing and optic fibre lock pin, be provided with on the adapter housing with optic fibre lock pin assorted slot, be equipped with a plurality of optic fibre jacks on the optic fibre lock pin, its characterized in that: the optical fiber ferrule comprises a slot part and a limiting part, the slot part can be inserted into the slot, the limiting part can limit the installation of the optical fiber ferrule in the slot, the adapter shell and the two sides in front of the slot are respectively provided with a clamping hook, the clamping hooks can be matched with the limiting part of the optical fiber ferrule to limit the optical fiber ferrule, the optical fiber ferrule is further provided with a PIN positioning hole, and a PIN is installed in the PIN positioning hole.
Furthermore, the size of the limiting portion is larger than that of the slot portion, a limiting step is formed at the joint of the slot portion and the limiting portion, and the limiting step is matched with the slot to limit the installation of the optical fiber ferrule.
Further, a PIN card seat is further arranged between the clamping hook and the limiting portion, a PIN clamping groove is formed in the PIN card seat corresponding to the PIN, an installation clamping groove portion is formed in the PIN card corresponding to the PIN clamping groove, and the installation clamping groove portion can be clamped in the PIN clamping groove to limit installation of the PIN.
Further, the outer diameter of the installation clamping groove part is smaller than the outer diameter of the PIN needle.
Further, the installation draw-in groove portion of PIN needle with PIN draw-in groove interference fit.
Further, the PIN draw-in groove is vertical setting, the installation draw-in groove portion of PIN needle can be followed PIN draw-in groove upper end enters into in the PIN draw-in groove.
Furthermore, the clamping hook is an elastic plastic piece, and the limiting part of the optical fiber insertion core can be clamped with the clamping hook after penetrating through the clamping hook.
Furthermore, the clamping hook is provided with a limiting plane which is contacted with the PIN needle clamping seat.
Furthermore, the adapter shell is provided with a mounting and positioning boss which can be used for mounting and positioning.
Further, the optical fiber jacks are arranged side by side.
The optical module is characterized by comprising the adapter assembly for the optical module, wherein an adapter mounting groove matched with the adapter assembly is formed in a shell of the optical module, and a boss groove is formed in the shell of the optical module corresponding to a mounting and positioning boss of the adapter assembly.
The utility model discloses an adapter subassembly for optical module, the last slot that is provided with and optical fiber lock PIN assorted of adapter casing is through setting up spacing portion to the assembly of optic fiber lock PIN and adapter's casing on the optic fiber lock PIN, reduces the installation error of optic fiber lock PIN and adapter casing, through setting up PIN needle cassette, the last PIN needle that corresponds of PIN needle cassette is equipped with the PIN draw-in groove, the last PIN draw-in groove that corresponds of PIN needle is equipped with the installation draw-in groove portion, through installing the draw-in groove portion and clamping in the PIN draw-in groove to carry out installation spacing to the PIN needle, reduce the installation error of PIN needle and adapter's casing, then be provided with the pothook respectively in the place ahead both sides of adapter casing's slot, optic fiber lock PIN and PIN needle cassette set up in the pothook inboard in proper order to with the assembly error control of adapter casing, optic fiber lock PIN and PIN subassembly three parts inside the adapter, the final assembly of optical module only receives the influence of adapter casing, the clamping hook is made of plastic and has elasticity, the clamping hook can be expanded outwards to facilitate assembly when the optical fiber inserting core and the PIN PIN clamping seat are assembled, and the clamping hook rebounds to an initial position after assembly to play a certain limiting role, has better containment on assembly errors and effectively avoids the phenomenon of poor matching;
furthermore, the utility model discloses an adapter subassembly for optical module has set up the installation location boss on the adapter casing, and the installation location boss that still corresponds the adapter subassembly on the casing of optical module has set up the boss recess, through the cooperation of installation location boss with the boss recess, reduces the installation error of adapter subassembly and optical module for the optical power of optical module is more stable.
Drawings
FIG. 1 is a schematic diagram of a prior art adapter structure;
FIG. 2 is a schematic diagram of an adapter assembly for a light module in an embodiment;
FIG. 3 is an exploded view of an adapter assembly for a light module in an embodiment;
FIG. 4 is a schematic view of a fiber optic ferrule in an embodiment;
FIG. 5 is a schematic diagram of a PIN and a PIN socket in an embodiment;
fig. 6 is a partial schematic view of an optical module in an embodiment.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, it should be noted that the drawings provided in the present embodiment illustrate only the basic idea of the present invention in a schematic manner, and only the components related to the present invention are shown in the drawings rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, quantity and proportion of each component may be changed at will in actual implementation, and the component layout form may be more complicated.
To exist not enough among the prior art, the utility model discloses will provide an adapter subassembly that makes optical power more stable, effectively reduce assembly error, reduce the machining precision requirement to optical module shell structure, make the optical power of optical module more stable.
Referring to fig. 2 to 5, an adapter assembly for an optical module according to the present invention includes an adapter housing 1 and an optical fiber ferrule 2, the adapter housing 1 is provided with a slot 101 matching with the optical fiber ferrule 2, the optical fiber ferrule 2 is provided with a plurality of optical fiber jacks 201, in this embodiment, the optical fiber jacks 201 are arranged side by side in a row, the optical fiber ferrule includes a slot portion 202 and a limiting portion 203, the slot portion 202 can be inserted into the slot 101, the size of the limiting portion 203 is larger than that of the slot portion 202, the limiting portion 203 can limit the installation of the optical fiber ferrule 2 in the slot 101,
specifically, in the present embodiment, the connection portion between the slot portion 202 and the limiting portion 203 forms the limiting step 204, and when the fiber stub 2 is inserted into the slot 101, the limiting step 204 cooperates with the slot 101 to limit the installation of the fiber stub 2, so that the installation error between the fiber stub 2 and the adapter housing 1 can be reduced.
Meanwhile, hooks 102 are respectively arranged on the adapter housing 1 and at two sides in front of the slot 101, the hooks 102 can be matched with a limiting portion 203 of the optical fiber ferrule to limit the optical fiber ferrule 2, a PIN positioning hole 205 is further arranged on the optical fiber ferrule 2, and the PIN 3 is installed in the PIN positioning hole 205.
In order to reduce the installation error between the PIN PIN 3 and the optical fiber ferrule 2, in the embodiment, a PIN PIN holder 4 is further arranged, the PIN PIN holder 4 is arranged between the hook 102 and the limiting part 203, a PIN slot 401 is arranged on the PIN PIN holder 4 corresponding to the PIN PIN 3, an installation slot part 301 is arranged on the PIN PIN 3 corresponding to the PIN slot, the installation slot part 301 can be clamped in the PIN slot 401 to install and limit the PIN PIN 3,
specifically, the outer diameter of the mounting groove portion 301 is smaller than the outer diameter of the PIN 3, so that when the mounting groove portion 301 is clamped in the PIN slot 401, the PIN 3 does not move axially on the PIN cassette 4, the mounting groove portion 301 of the PIN is in interference fit with the PIN slot 401, the mounting groove portion 301 of the PIN can be prevented from being disengaged from the PIN slot 401,
in this embodiment, PIN draw-in groove 401 is vertical setting, and PIN needle's installation draw-in groove portion 301 can enter into PIN draw-in groove 401 from PIN draw-in groove 401 upper end, and such design can make things convenient for the assembly of PIN needle 3 and PIN needle cassette 4.
In addition, in this embodiment, the hook 102 is provided with a limit plane 103 contacting with the PIN card seat 401, so that the hook and the PIN card seat can have a larger contact area, the limit effect is more stable, and the PIN card seat is prevented from sliding out.
When the adapter with the original structure is assembled, assembly errors exist among the optical fiber ferrule, the adapter shell, the PIN needle assembly and the optical fiber ferrule, the optical fiber ferrule and the adapter shell cannot be completely assembled to an ideal position, errors can also be generated when the errors are accumulated and assembled with the optical module shell, and if negative tolerance is taken when the adapter and the structural part are assembled, the errors are too loose; if the adapter and the structural member are assembled together, the tolerance is too tight, and therefore the phenomenon that the optical power of the optical module is unstable inevitably occurs in the process of inserting and pulling the optical fiber in the adapter structure.
In this embodiment, the hook is an elastic plastic member, and the limiting portion of the optical fiber ferrule can be engaged with the hook after passing through the hook. Can expand the equipment of being convenient for outward when assembling optic fibre lock PIN and PIN needle cassette, kick-back to initial position after the assembly, play certain limiting displacement, the pothook has certain elasticity, and leaves certain fitting clearance with optic fibre lock PIN and PIN needle subassembly within a definite time to avoid appearing interference fit and lead to the bad phenomenon of cooperation, have better inclusion to assembly error, effectively avoided the bad phenomenon of cooperation.
When the adapter assembly in the embodiment is assembled, although assembly errors still exist between the optical fiber ferrule and the adapter shell, and between the PIN card seat and the optical fiber ferrule, the assembly errors of the two parts are controlled in the shell clamping hook structure by the structure, and finally the assembly of the optical module and the optical module is only affected by the adapter shell, so that the assembly precision is improved, the stability of optical power is effectively ensured, the requirement on the processing precision of an optical module shell structural part is also reduced, and the processing cost is reduced.
In addition, the utility model discloses an embodiment is equipped with installation location boss 104 on the adapter casing 1, and installation location boss 104 can be used for the installation location, and in this embodiment, location boss 104 sets up and is the T type.
See fig. 6, in the embodiment of the utility model provides an optical module includes foretell adapter subassembly that is used for the optical module, be equipped with on the casing 5 of optical module with adapter subassembly assorted adapter mounting groove 501, still correspond the installation location boss 104 of adapter subassembly on the casing 5 of optical module and be equipped with boss groove 502, through the cooperation of installation location boss with boss groove, reduce the installation error of adapter subassembly and optical module for the optical power of optical module is more stable.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides an adapter subassembly for optical module, includes adapter housing and optic fibre lock pin, be provided with on the adapter housing with optic fibre lock pin assorted slot, be equipped with a plurality of optic fibre jacks on the optic fibre lock pin, its characterized in that: the optical fiber ferrule comprises a slot part and a limiting part, the slot part can be inserted into the slot, the limiting part can limit the installation of the optical fiber ferrule in the slot, the adapter shell and the two sides in front of the slot are respectively provided with a clamping hook, the clamping hooks can be matched with the limiting part of the optical fiber ferrule to limit the optical fiber ferrule, the optical fiber ferrule is further provided with a PIN positioning hole, and a PIN is installed in the PIN positioning hole.
2. An adapter assembly for a light module according to claim 1, wherein: the size of the limiting portion is larger than that of the inserting groove portion, the connecting portion of the inserting groove portion and the limiting portion forms a limiting step, and the limiting step is matched with the inserting groove to limit installation of the optical fiber inserting core.
3. An adapter assembly for a light module according to claim 1, wherein: a PIN card seat is further arranged between the clamping hook and the limiting part, a PIN card slot is formed in the PIN card seat corresponding to the PIN, an installation clamping slot part is formed in the PIN card corresponding to the PIN card slot, and the installation clamping slot part can be clamped in the PIN card slot to install and limit the PIN.
4. An adapter assembly for a light module according to claim 3, wherein: the outer diameter of the installation clamping groove part is smaller than the outer diameter of the PIN needle.
5. An adapter assembly for a light module according to claim 4, wherein: the installation draw-in groove portion of PIN needle with PIN draw-in groove interference fit.
6. An adapter assembly for a light module according to claim 5, wherein: the PIN draw-in groove is vertical setting, the installation draw-in groove portion of PIN needle can be followed PIN draw-in groove upper end enters into in the PIN draw-in groove.
7. An adapter assembly for a light module according to claim 5, wherein: the clamping hook is an elastic plastic piece, and the limiting part of the optical fiber inserting core can be clamped with the clamping hook after penetrating through the clamping hook.
8. An adapter assembly for a light module according to claim 7, wherein: the clamping hook is provided with a limiting plane which is contacted with the PIN needle clamping seat.
9. An adapter assembly for a light module according to claim 1, wherein: the adapter shell is provided with an installation positioning boss which can be used for installation and positioning.
10. An optical module, comprising the adapter assembly for an optical module as claimed in claim 9, wherein an adapter mounting groove matched with the adapter assembly is formed on a housing of the optical module, and a boss groove is further formed on the housing of the optical module corresponding to the mounting and positioning boss of the adapter assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121742354.5U CN215219244U (en) | 2021-07-29 | 2021-07-29 | Adapter assembly for optical module and optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121742354.5U CN215219244U (en) | 2021-07-29 | 2021-07-29 | Adapter assembly for optical module and optical module |
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| Publication Number | Publication Date |
|---|---|
| CN215219244U true CN215219244U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121742354.5U Active CN215219244U (en) | 2021-07-29 | 2021-07-29 | Adapter assembly for optical module and optical module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484959A (en) * | 2021-07-29 | 2021-10-08 | 亨通洛克利科技有限公司 | Adapter assembly for optical module and optical module |
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2021
- 2021-07-29 CN CN202121742354.5U patent/CN215219244U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484959A (en) * | 2021-07-29 | 2021-10-08 | 亨通洛克利科技有限公司 | Adapter assembly for optical module and optical module |
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Address after: No. 168 Jiaotong North Road, Wujiang Economic and Technological Development Zone, Suzhou City, Jiangsu Province Patentee after: Suzhou Zhuoyu Photon Technology Co.,Ltd. Address before: 215200 Hengdao 88, Wujiang Economic and Technological Development Zone, Suzhou City, Jiangsu Province Patentee before: HENGTONG ROCKLEY TECHNOLOGY Co.,Ltd. |
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